Rockboy - gameboy emulation for rockbox, based on gnuboy. Still a bit early, but already playable on iRiver H1xx and the simulators. The archos recorder version is currently rather slow...

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6104 a1c6a512-1295-4272-9138-f99709370657

56 files changed, 9225 insertions, 1 deletions

diff --git a/apps/plugins/Makefile b/apps/plugins/Makefile
index 3e56510f53..6c3917c0cb 100644
--- a/apps/plugins/Makefile
+++ b/apps/plugins/Makefile
@@ -34,7 +34,13 @@ OBJS := $(SRC:%.c=$(OBJDIR)/%.o)
 DEFS := $(SRC:%.c=$(OBJDIR)/%.def)
 DIRS = .
 
-all: $(OBJDIR)/libplugin.a $(ROCKS) $(DEPFILE)
+#for any recorder and iRiver model
+ifneq (,$(strip $(foreach tgt,RECORDER IRIVER,$(findstring $(tgt),$(TARGET)))))
+    SUBDIRS += rockboy
+endif
+
+.PHONY: $(SUBDIRS)
+all: $(OBJDIR)/libplugin.a $(ROCKS) $(SUBDIRS) $(DEPFILE)
 
 ifndef SIMVER
 $(OBJDIR)/%.elf: $(OBJDIR)/%.o $(LINKFILE) $(OBJDIR)/libplugin.a
@@ -95,10 +101,16 @@ $(LINKFILE): $(LDS)
         @echo "build $@"
         @cat $< | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(DEFINES) -E -P - >$@
 
+$(SUBDIRS):
+        @echo "MAKE in $@"
+        @mkdir -p $(OBJDIR)/$@
+        @$(MAKE) -C $@ TARGET=$(TARGET) DEBUG=$(DEBUG) OUTDIR=$(OBJDIR) OBJDIR=$(OBJDIR)/$@ VERSION=$(VERSION) EXTRA_DEFINES="$(EXTRA_DEFINES)" MEM=${MEMORYSIZE}
+
 clean:
         @echo "cleaning plugins"
         @rm -f $(ROCKS) $(LINKFILE) $(OBJDIR)/*.rock $(DEPFILE) $(ELFS) \
         $(OBJS) $(DEFS)
         @$(MAKE) -C lib clean
+        @$(MAKE) -C rockboy clean
 
 -include $(DEPFILE)
diff --git a/apps/plugins/SOURCES b/apps/plugins/SOURCES
index 643fc0c5c1..581d164e94 100644
--- a/apps/plugins/SOURCES
+++ b/apps/plugins/SOURCES
@@ -29,6 +29,10 @@ oscillograph.c
 oscilloscope.c
 pong.c
 rockblox.c
+#if (CONFIG_KEYPAD == RECORDER_PAD) && !defined(SIMULATOR)
+/* loader, only needed for Archos */
+rockboy.c
+#endif
 sliding_puzzle.c
 snake.c
 snake2.c
diff --git a/apps/plugins/rockboy.c b/apps/plugins/rockboy.c
new file mode 100644
index 0000000000..4778fa8ee6
--- /dev/null
+++ b/apps/plugins/rockboy.c
@@ -0,0 +1,81 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2005 Jens Arnold
+ *
+ * Overlay loader for rockboy on Archos
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "plugin.h"
+
+#if MEM <= 8 && !defined(SIMULATOR)
+
+#define OVL_NAME "/.rockbox/viewers/rockboy.ovl"
+#define OVL_DISPLAYNAME "RockBoy"
+
+struct plugin_api* rb;
+unsigned char *mp3buf;
+int mp3buf_size;
+
+/* this is the plugin entry point */
+enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
+{
+    int fh, readsize;
+    struct {
+        unsigned long magic;
+        unsigned char *start_addr;
+        unsigned char *end_addr;
+        enum plugin_status(*entry_point)(struct plugin_api*, void*);
+    } header;
+
+    /* this macro should be called as the first thing you do in the plugin.
+       it test that the api version and model the plugin was compiled for
+       matches the machine it is running on */
+    TEST_PLUGIN_API(api);
+    rb = api;
+
+    fh = rb->open(OVL_NAME, O_RDONLY);
+    if (fh < 0)
+    {
+        rb->splash(2*HZ, true, "Couldn't open " OVL_DISPLAYNAME " overlay.");
+        return PLUGIN_ERROR;
+    }
+    readsize = rb->read(fh, &header, sizeof(header));
+    if (readsize != sizeof(header) || header.magic != 0x524f564c)
+    {
+        rb->close(fh);
+        rb->splash(2*HZ, true, OVL_NAME " is not a valid Rockbox overlay.");
+        return PLUGIN_ERROR;
+    }
+    
+    mp3buf = rb->plugin_get_mp3_buffer(&mp3buf_size);
+    if (header.start_addr < mp3buf || header.end_addr > mp3buf + mp3buf_size)
+    {
+        rb->close(fh);
+        rb->splash(2*HZ, true, OVL_DISPLAYNAME 
+                   " overlay doesn't fit into memory.");
+        return PLUGIN_ERROR;
+    }
+    rb->lseek(fh, 0, SEEK_SET);
+    readsize = rb->read(fh, header.start_addr, header.end_addr - header.start_addr);
+    rb->close(fh);
+    if (readsize != header.end_addr - header.start_addr)
+    {
+        rb->splash(2*HZ, true, "Error loading " OVL_DISPLAYNAME " overlay.");
+        return PLUGIN_ERROR;
+    }
+    return header.entry_point(api, parameter);
+}
+#endif
diff --git a/apps/plugins/rockboy/COPYING b/apps/plugins/rockboy/COPYING
new file mode 100755
index 0000000000..a43ea2126f
--- /dev/null
+++ b/apps/plugins/rockboy/COPYING
@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+                          675 Mass Ave, Cambridge, MA 02139, USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
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+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
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+
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+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
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+  Finally, any free program is threatened constantly by software
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+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
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+Activities other than copying, distribution and modification are not
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+  1. You may copy and distribute verbatim copies of the Program's
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+along with the Program.
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+You may charge a fee for the physical act of transferring a copy, and
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+  2. You may modify your copy or copies of the Program or any portion
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+
+This section is intended to make thoroughly clear what is believed to
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+
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+
+Each version is given a distinguishing version number.  If the Program
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+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
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+Foundation.
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+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
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+                            NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+                     END OF TERMS AND CONDITIONS
+
+        Appendix: How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) 19yy  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) 19yy name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Library General
+Public License instead of this License.
diff --git a/apps/plugins/rockboy/Makefile b/apps/plugins/rockboy/Makefile
new file mode 100644
index 0000000000..f6042a4b1b
--- /dev/null
+++ b/apps/plugins/rockboy/Makefile
@@ -0,0 +1,106 @@
+#             __________               __   ___.
+#   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+#   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+#   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+#   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+#                     \/            \/     \/    \/            \/
+# $Id$
+#
+
+INCLUDES = -I$(APPSDIR) -I.. -I. -I$(FIRMDIR)/include -I$(FIRMDIR)/export       \
+ -I$(FIRMDIR)/common -I$(FIRMDIR)/drivers
+CFLAGS = $(GCCOPTS) -O3 $(INCLUDES) $(TARGET) $(EXTRA_DEFINES) \
+ -DMEM=${MEMORYSIZE} -DPLUGIN
+
+ifdef APPEXTRA
+    INCLUDES += -I$(APPSDIR)/$(APPEXTRA)
+endif
+
+LINKFILE := $(OBJDIR)/link.lds
+DEPFILE = $(OBJDIR)/dep-rockboy
+SRC = cpu.c emu.c events.c exports.c fastmem.c hw.c lcd.c lcdc.c loader.c \
+        main.c mem.c nosound.c rccmds.c rcvars.c rtc.c save.c sound.c split.c \
+        sys_rockbox.c rockboy.c
+SOURCES = $(SRC)
+OBJS := $(SRC:%.c=$(OBJDIR)/%.o)
+DIRS = .
+
+ifndef SIMVER
+ifneq (,$(findstring RECORDER,$(TARGET))) ## Archos recorder targets
+    LDS := archos.lds
+    OUTPUT = $(OUTDIR)/rockboy.ovl
+else  ## iRiver target
+    LDS := ../plugin.lds
+    OUTPUT = $(OUTDIR)/rockboy.rock
+endif
+else  ## simulators
+    OUTPUT = $(OUTDIR)/rockboy.rock
+endif
+
+all: $(OUTPUT)
+
+ifndef SIMVER
+$(OBJDIR)/rockboy.elf: $(OBJS) $(LINKFILE) $(OUTDIR)/libplugin.a
+        @echo "LD $@"
+        @$(CC) $(GCCOPTS) -O -nostdlib -o $@ $(OBJS) -L$(OUTDIR) -lplugin -lgcc \
+           -T$(LINKFILE) -Wl,-Map,$(OBJDIR)/rockboy.map
+
+$(OUTPUT): $(OBJDIR)/rockboy.elf
+        @echo "OBJCOPY $<"
+        @$(OC) -O binary $< $@
+else
+
+ifeq ($(SIMVER), x11)
+###################################################
+# This is the X11 simulator version
+
+$(OUTPUT): $(OBJS) $(OUTDIR)/libplugin.a
+        @echo "LD $@"
+        @$(CC) $(CFLAGS) -shared $(OBJS) -L$(OUTDIR) -lplugin -o $@
+ifeq ($(findstring CYGWIN,$(UNAME)),CYGWIN)
+# 'x' must be kept or you'll have "Win32 error 5"
+#     $ fgrep 5 /usr/include/w32api/winerror.h | head -1
+#         #define ERROR_ACCESS_DENIED 5L
+else
+        @chmod -x $@
+endif
+
+else # end of x11-simulator
+###################################################
+# This is the win32 simulator version
+DLLTOOLFLAGS = --export-all
+DLLWRAPFLAGS = -s --entry _DllMain@12 --target=i386-mingw32 -mno-cygwin
+
+$(OUTPUT): $(OBJS) $(OUTDIR)/libplugin.a
+        @echo "DLL $@"
+        @$(DLLTOOL) $(DLLTOOLFLAGS) -z $(OBJDIR)/$*.def $(OBJS)
+        @$(DLLWRAP) $(DLLWRAPFLAGS) --def $(OBJDIR)/$*.def $(OBJS) \
+                $(OUTDIR)/libplugin.a -o $@
+ifeq ($(findstring CYGWIN,$(UNAME)),CYGWIN)
+# 'x' must be kept or you'll have "Win32 error 5"
+#     $ fgrep 5 /usr/include/w32api/winerror.h | head -1
+#         #define ERROR_ACCESS_DENIED 5L
+else
+        @chmod -x $@
+endif
+endif # end of win32-simulator
+
+endif # end of simulator section
+
+
+include $(TOOLSDIR)/make.inc
+
+# MEM should be passed on to this makefile with the chosen memory size given
+# in number of MB
+$(LINKFILE): $(LDS)
+        @echo "build $@"
+        @cat $< | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(DEFINES) \
+         -E -P - >$@
+
+clean:
+        @echo "cleaning rockboy"
+        @rm -rf $(OBJDIR)/rockboy
+        @rm -f $(OBJDIR)/rockboy.*
+
+-include $(DEPFILE)
+
diff --git a/apps/plugins/rockboy/README b/apps/plugins/rockboy/README
new file mode 100755
index 0000000000..f10a5f08d3
--- /dev/null
+++ b/apps/plugins/rockboy/README
@@ -0,0 +1,199 @@
+
+GNUBOY README
+
+
+  INTRO
+
+Welcome to gnuboy, one of the few pieces of Free Software to emulate
+the Game Boy handheld game console. Written in ANSI C with a few
+optional assembler optimizations for particular cpus, gnuboy supports
+a wide range of host systems, and has been tested successfully on:
+
+  GNU/Linux
+  FreeBSD
+  OpenBSD
+  BeOS
+  Linux/390 (IBM S/390 Mainframe)
+  SunOS/Sun Ultra60
+  IRIX/SGI O2
+  IRIX/SGI Indy
+  AIX/Unknown
+  DR-DOS
+  MS-DOS
+  Windows DOS box
+  Windows 9x/NT/2k
+
+Additionally, gnuboy should run on any other *nix variants that have
+ANSI C compilers and that are remotely POSIX compliant. As gnuboy is
+Free Software, you're welcome to fix any problems you encounter
+building it for a particular system, or to port it to entirely new
+systems.
+
+
+  EMULATION
+
+gnuboy emulates nearly all aspects of the (Color) Gameboy, including
+all of the following and much more:
+
+  Full GBZ80 instruction set.
+  Scanline-based LCD engine.
+  Ten sprites per scanline limit.
+  Support for all CGB graphics extensions.
+  Sprite DMA, HDMA, and GDMA.
+  All four sound channels including digital samples.
+  MBC1, MBC2, MBC3 (including clock), and MBC5 mappers.
+  Wave pattern memory corruption when sound channel 3 is played.
+  Pad, timer, divide counter, and other basic hardware registers.
+  CGB double-speed CPU mode.
+
+Aspects not emulated at this time include:
+
+* Serial IO (link cable).
+  Undocumented 'extra' ram in OAM space on Gameboy Color.
+  All Super Gameboy extensions.
+* GBC, HuC1, and HuC3 IR ports.
+* Obscure mappers such as TAMA5.
+  Sorting sprites by X coordinate in DMG mode.
+  HALT instruction skipping in DMG mode.
+  CPU stalls during HDMA and GDMA.
+
+Only the two marked by * are known to affect the playability of
+actual games or demos; the rest are just listed for completeness'
+sake.
+
+
+  FEATURES
+
+In addition to basic emulation, gnuboy provides the following
+features:
+
+  Highly flexible keybinding and configuration subsystem.
+  State saving and loading at any point.
+  Very precise timing/synchronization, preserved across save/load.
+  Joystick support on Linux, DOS, and all SDL-based ports.
+  Fully customizable palettes for DMG games.
+  Screen scaling by a factor of 2, 3, or 4 in all ports.
+  Hardware-based screen scaling on platforms where it's available.
+  Debug traces to stdout.
+  Dynamic palette allocation when run in 256-color modes...
+  OR simulated 3/3/2 bits per channel in 256-color modes.
+
+For information on configuring and using these features, see the
+additional documentation in the "docs" directory.
+
+
+  COMPATIBILITY
+
+Out of over 300 results reported by testers, all games are known to
+work perfectly on gnuboy with the following exceptions:
+
+  Fighting Phoenix (Japanese) may or may not work since it uses the
+  HuC1 memory controller, which is not implemented properly. There has
+  been no report either way so far.
+
+  Pocket Bomberman (Japanese version, which uses HuC1) runs, but can
+  be made to crash if the player jumps into the ceiling in the first
+  level. It's not clear whether this bug is MBC-related, something
+  else, or an actual bug in the original game.
+
+  Monster Go! Go! Go! (Japanese) is unplayable. The cause of the
+  problem is not fully known, but it's either a very bad dump or it's
+  using some sort of specialized MBC that's not documented.
+
+  Final Fantasy Adventure has visual problems with the fade between
+  screens. Does not affect gameplay.
+
+  Bubble Bobble 2 has some minor tile glitches right before gameplay
+  actually begins. Cause unknown. Does not affect gameplay.
+
+  Alone in the Dark is reported to have minor visual glitches. I
+  haven't seen it myself so I can't judge their severity.
+
+  Both new Zelda games are reported to have a visual glitch at the
+  beginning of the game, and on certain other screens. I haven't seen
+  the problem myself, but supposedly it impacts gameplay to some
+  extent.
+
+Please report any other incompatibilities discovered directly to
+gnuboy@unix-fu.org, so that they can be documented and hopefully
+fixed.
+
+
+  FUTURE / WISHLIST
+
+Here's a brief list of what may appear in gnuboy in the future:
+
+  Screenshots.
+  Integrated debugger.
+  Super Gameboy support.
+  Serial link over the internet.
+  Serial link to a real Gameboy with a custom cable.
+  Configurable color filters to provide more authentic LCD look.
+  Custom colorization of DMG games on a per-tile basis.
+  Support for more colorspaces in the hardware scaler.
+  Recording audio.
+  GBS player built from the same source tree.
+  Full recording and playback of emulation.
+  So-called "high level emulation" of certain typical dumb loops.
+
+Features that are not likely to appear soon or at all include:
+
+  Rumble support - this would be nice, but SDL doesn't seem to support
+  force-feedback yet. We'll see about it in the long-term though.
+
+  Eagle/2xSaI/etc. - probably not feasible since these libraries don't
+  appear to be compatible with the terms of the GPL. We might work on
+  our own interpolation engine eventually, but that's low priority.
+
+  GUI/GUI-like features - such things are best handled by external
+  front-ends. We might eventually add a mechanism for external
+  programs to communicate with gnuboy and reconfigure it while it's
+  running, however.
+
+  Plugins - NO! The way I see it, plugins are just an attempt to work
+  around the GPL. In any case, even if you are adding plugin support
+  yourself, you are bound by the terms of the GPL when linking ANY
+  code to gnuboy, including dynamic-linked modules. However we'd
+  rather not deal with this mess to begin with.
+
+  Compressed ROMs/Saves - this one is very iffy. On most systems, this
+  is redundant; *nix users can just pipe the rom through a
+  decompression program, and Windows users can just double-click or
+  drag files from their favorite GUI unzipper program. Linking to zlib
+  isn't really acceptable since it's massively bloated and we don't
+  want to include it with gnuboy or add external dependencies. We may,
+  however, write our own tiny decompressor to use at some point.
+
+Ideas and suggestions for other features are welcome, but won't
+necessarily be used. You're of course also free to add features
+yourself, and if they fit well into the main tree they may eventually
+get included in the official release. See the file HACKING for more
+details on modifying and/or contributing.
+
+
+  THANKS
+
+Thanks goes out to everyone who's expressed interest in gnuboy by
+writing -- users, porters, authors of other emulators, and so forth.
+Apologies if we don't get a personal response out to everyone, but
+either way, consider your feedback appreciated.
+
+
+  EPILOGUE
+
+OK, that looks like about it. More to come, stick around...
+
+
+
+                                          -Laguna  <laguna@aerifal.cx>
+
+
+
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/Version b/apps/plugins/rockboy/Version
new file mode 100755
index 0000000000..0b12c4271d
--- /dev/null
+++ b/apps/plugins/rockboy/Version
@@ -0,0 +1,5 @@
+#define VERSION "1.0.3" /*
+VERSION = 1.0.3
+# */
+
+
diff --git a/apps/plugins/rockboy/archos.lds b/apps/plugins/rockboy/archos.lds
new file mode 100755
index 0000000000..23d03c6297
--- /dev/null
+++ b/apps/plugins/rockboy/archos.lds
@@ -0,0 +1,46 @@
+#include "config.h"
+
+/* linker script for rockboy as an overlay,
+ * only used/ necessary for SH-based archos targets */
+
+OUTPUT_FORMAT(elf32-sh)
+
+#define DRAMORIG 0x09000000
+#define PLUGIN_LENGTH 0x8000
+
+#define OVERLAY_LENGTH 0x68000
+#define OVERLAY_ORIGIN (DRAMORIG + (MEMORYSIZE * 0x100000) - PLUGIN_LENGTH - OVERLAY_LENGTH)
+
+MEMORY
+{
+   OVERLAY_RAM : ORIGIN = OVERLAY_ORIGIN, LENGTH = OVERLAY_LENGTH
+}
+
+SECTIONS
+{
+    .header : {
+        _ovl_start_addr = .;
+        *(.header)
+    } > OVERLAY_RAM
+
+    .text : {
+        *(.entry)
+        *(.text)
+    } > OVERLAY_RAM
+
+    .data : {
+        *(.data)
+    } > OVERLAY_RAM
+
+    .bss : {
+        *(.bss)
+    } > OVERLAY_RAM
+
+    .rodata : {
+        *(.rodata)
+        *(.rodata.str1.1)
+        *(.rodata.str1.4)
+        . = ALIGN(0x4);
+        _ovl_end_addr = .;
+    } > OVERLAY_RAM
+}
diff --git a/apps/plugins/rockboy/cpu.c b/apps/plugins/rockboy/cpu.c
new file mode 100644
index 0000000000..44a870a6eb
--- /dev/null
+++ b/apps/plugins/rockboy/cpu.c
@@ -0,0 +1,880 @@
+
+
+
+#include "rockmacros.h"
+#include "defs.h"
+#include "regs.h"
+#include "hw.h"
+#include "cpu.h"
+#include "lcdc.h"
+#include "mem.h"
+#include "fastmem.h"
+#include "cpuregs.h"
+#include "cpucore.h"
+
+#ifdef USE_ASM
+#include "asm.h"
+#endif
+
+
+struct cpu cpu;
+
+
+
+
+#define ZFLAG(n) ( (n) ? 0 : FZ )
+
+
+#define PUSH(w) ( (SP -= 2), (writew(xSP, (w))) )
+#define POP(w) ( ((w) = readw(xSP)), (SP += 2) )
+
+
+#define FETCH_OLD ( mbc.rmap[PC>>12] \
+? mbc.rmap[PC>>12][PC++] \
+: mem_read(PC++) )
+
+#define FETCH (readb(PC++))
+
+
+#define INC(r) { ((r)++); \
+F = (F & (FL|FC)) | incflag_table[(r)]; }
+
+#define DEC(r) { ((r)--); \
+F = (F & (FL|FC)) | decflag_table[(r)]; }
+
+#define INCW(r) ( (r)++ )
+
+#define DECW(r) ( (r)-- )
+
+#define ADD(n) { \
+W(acc) = (un16)A + (un16)(n); \
+F = (ZFLAG(LB(acc))) \
+| (FH & ((A ^ (n) ^ LB(acc)) << 1)) \
+| (HB(acc) << 4); \
+A = LB(acc); }
+
+#define ADC(n) { \
+W(acc) = (un16)A + (un16)(n) + (un16)((F&FC)>>4); \
+F = (ZFLAG(LB(acc))) \
+| (FH & ((A ^ (n) ^ LB(acc)) << 1)) \
+| (HB(acc) << 4); \
+A = LB(acc); }
+
+#define ADDW(n) { \
+DW(acc) = (un32)HL + (un32)(n); \
+F = (F & (FZ)) \
+| (FH & ((H ^ ((n)>>8) ^ HB(acc)) << 1)) \
+| (acc.b[HI][LO] << 4); \
+HL = W(acc); }
+
+#define ADDSP(n) { \
+DW(acc) = (un32)SP + (un32)(n8)(n); \
+F = (FH & (((SP>>8) ^ ((n)>>8) ^ HB(acc)) << 1)) \
+| (acc.b[HI][LO] << 4); \
+SP = W(acc); }
+
+#define LDHLSP(n) { \
+DW(acc) = (un32)SP + (un32)(n8)(n); \
+F = (FH & (((SP>>8) ^ ((n)>>8) ^ HB(acc)) << 1)) \
+| (acc.b[HI][LO] << 4); \
+HL = W(acc); }
+
+#define CP(n) { \
+W(acc) = (un16)A - (un16)(n); \
+F = FN \
+| (ZFLAG(LB(acc))) \
+| (FH & ((A ^ (n) ^ LB(acc)) << 1)) \
+| ((un8)(-(n8)HB(acc)) << 4); }
+
+#define SUB(n) { CP((n)); A = LB(acc); }
+
+#define SBC(n) { \
+W(acc) = (un16)A - (un16)(n) - (un16)((F&FC)>>4); \
+F = FN \
+| (ZFLAG((n8)LB(acc))) \
+| (FH & ((A ^ (n) ^ LB(acc)) << 1)) \
+| ((un8)(-(n8)HB(acc)) << 4); \
+A = LB(acc); }
+
+#define AND(n) { A &= (n); \
+F = ZFLAG(A) | FH; }
+
+#define XOR(n) { A ^= (n); \
+F = ZFLAG(A); }
+
+#define OR(n) { A |= (n); \
+F = ZFLAG(A); }
+
+#define RLCA(r) { (r) = ((r)>>7) | ((r)<<1); \
+F = (((r)&0x01)<<4); }
+
+#define RRCA(r) { (r) = ((r)<<7) | ((r)>>1); \
+F = (((r)&0x80)>>3); }
+
+#define RLA(r) { \
+LB(acc) = (((r)&0x80)>>3); \
+(r) = ((r)<<1) | ((F&FC)>>4); \
+F = LB(acc); }
+
+#define RRA(r) { \
+LB(acc) = (((r)&0x01)<<4); \
+(r) = ((r)>>1) | ((F&FC)<<3); \
+F = LB(acc); }
+
+#define RLC(r) { RLCA(r); F |= ZFLAG(r); }
+#define RRC(r) { RRCA(r); F |= ZFLAG(r); }
+#define RL(r) { RLA(r); F |= ZFLAG(r); }
+#define RR(r) { RRA(r); F |= ZFLAG(r); }
+
+#define SLA(r) { \
+LB(acc) = (((r)&0x80)>>3); \
+(r) <<= 1; \
+F = ZFLAG((r)) | LB(acc); }
+
+#define SRA(r) { \
+LB(acc) = (((r)&0x01)<<4); \
+(r) = (un8)(((n8)(r))>>1); \
+F = ZFLAG((r)) | LB(acc); }
+
+#define SRL(r) { \
+LB(acc) = (((r)&0x01)<<4); \
+(r) >>= 1; \
+F = ZFLAG((r)) | LB(acc); }
+
+#define CPL(r) { \
+(r) = ~(r); \
+F |= (FH|FN); }
+
+#define SCF { F = (F & (FZ)) | FC; }
+
+#define CCF { F = (F & (FZ|FC)) ^ FC; }
+
+#define DAA { \
+A += (LB(acc) = daa_table[((((int)F)&0x70)<<4) | A]); \
+F = (F & (FN)) | ZFLAG(A) | daa_carry_table[LB(acc)>>2]; }
+
+#define SWAP(r) { \
+(r) = swap_table[(r)]; \
+F = ZFLAG((r)); }
+
+#define BIT(n,r) { F = (F & FC) | ZFLAG(((r) & (1 << (n)))) | FH; }
+#define RES(n,r) { (r) &= ~(1 << (n)); }
+#define SET(n,r) { (r) |= (1 << (n)); }
+
+#define CB_REG_CASES(r, n) \
+case 0x00|(n): RLC(r); break; \
+case 0x08|(n): RRC(r); break; \
+case 0x10|(n): RL(r); break; \
+case 0x18|(n): RR(r); break; \
+case 0x20|(n): SLA(r); break; \
+case 0x28|(n): SRA(r); break; \
+case 0x30|(n): SWAP(r); break; \
+case 0x38|(n): SRL(r); break; \
+case 0x40|(n): BIT(0, r); break; \
+case 0x48|(n): BIT(1, r); break; \
+case 0x50|(n): BIT(2, r); break; \
+case 0x58|(n): BIT(3, r); break; \
+case 0x60|(n): BIT(4, r); break; \
+case 0x68|(n): BIT(5, r); break; \
+case 0x70|(n): BIT(6, r); break; \
+case 0x78|(n): BIT(7, r); break; \
+case 0x80|(n): RES(0, r); break; \
+case 0x88|(n): RES(1, r); break; \
+case 0x90|(n): RES(2, r); break; \
+case 0x98|(n): RES(3, r); break; \
+case 0xA0|(n): RES(4, r); break; \
+case 0xA8|(n): RES(5, r); break; \
+case 0xB0|(n): RES(6, r); break; \
+case 0xB8|(n): RES(7, r); break; \
+case 0xC0|(n): SET(0, r); break; \
+case 0xC8|(n): SET(1, r); break; \
+case 0xD0|(n): SET(2, r); break; \
+case 0xD8|(n): SET(3, r); break; \
+case 0xE0|(n): SET(4, r); break; \
+case 0xE8|(n): SET(5, r); break; \
+case 0xF0|(n): SET(6, r); break; \
+case 0xF8|(n): SET(7, r); break;
+
+
+#define ALU_CASES(base, imm, op, label) \
+case (imm): b = FETCH; goto label; \
+case (base): b = B; goto label; \
+case (base)+1: b = C; goto label; \
+case (base)+2: b = D; goto label; \
+case (base)+3: b = E; goto label; \
+case (base)+4: b = H; goto label; \
+case (base)+5: b = L; goto label; \
+case (base)+6: b = readb(HL); goto label; \
+case (base)+7: b = A; \
+label: op(b); break;
+
+
+
+
+
+
+
+
+#define JR ( PC += 1+(n8)readb(PC) )
+#define JP ( PC = readw(PC) )
+
+#define CALL ( PUSH(PC+2), JP )
+
+#define NOJR ( clen--, PC++ )
+#define NOJP ( clen--, PC+=2 )
+#define NOCALL ( clen-=3, PC+=2 )
+#define NORET ( clen-=3 )
+
+#define RST(n) { PUSH(PC); PC = (n); }
+
+#define RET ( POP(PC) )
+
+#define EI ( IMA = 1 )
+#define DI ( cpu.halt = IMA = IME = 0 )
+
+
+
+#define PRE_INT ( DI, PUSH(PC) )
+#define THROW_INT(n) ( (IF &= ~(1<<(n))), (PC = 0x40+((n)<<3)) )
+
+
+
+
+void cpu_reset(void)
+{
+        cpu.speed = 0;
+        cpu.halt = 0;
+        cpu.div = 0;
+        cpu.tim = 0;
+        cpu.lcdc = 40;
+
+        IME = 0;
+        IMA = 0;
+        
+        PC = 0x0100;
+        SP = 0xFFFE;
+        AF = 0x01B0;
+        BC = 0x0013;
+        DE = 0x00D8;
+        HL = 0x014D;
+
+        if (hw.cgb) A = 0x11;
+        if (hw.gba) B = 0x01;
+}
+
+
+void div_advance(int cnt)
+{
+        cpu.div += (cnt<<1);
+        if (cpu.div >= 256)
+        {
+                R_DIV += (cpu.div >> 8);
+                cpu.div &= 0xff;
+        }
+}
+
+void timer_advance(int cnt)
+{
+        int unit, tima;
+        
+        if (!(R_TAC & 0x04)) return;
+
+        unit = ((-R_TAC) & 3) << 1;
+        cpu.tim += (cnt<<unit);
+
+        if (cpu.tim >= 512)
+        {
+                tima = R_TIMA + (cpu.tim >> 9);
+                cpu.tim &= 0x1ff;
+                if (tima >= 256)
+                {
+                        hw_interrupt(IF_TIMER, IF_TIMER);
+                        hw_interrupt(0, IF_TIMER);
+                }
+                while (tima >= 256)
+                        tima = tima - 256 + R_TMA;
+                R_TIMA = tima;
+        }
+}
+
+void lcdc_advance(int cnt)
+{
+        cpu.lcdc -= cnt;
+        if (cpu.lcdc <= 0) lcdc_trans();
+}
+
+void sound_advance(int cnt)
+{
+        cpu.snd += cnt;
+}
+
+void cpu_timers(int cnt)
+{
+        div_advance(cnt << cpu.speed);
+        timer_advance(cnt << cpu.speed);
+        lcdc_advance(cnt);
+        sound_advance(cnt);
+}
+
+int cpu_idle(int max)
+{
+        int cnt, unit;
+
+        if (!(cpu.halt && IME)) return 0;
+        if (R_IF & R_IE)
+        {
+                cpu.halt = 0;
+                return 0;
+        }
+
+        /* Make sure we don't miss lcdc status events! */
+        if ((R_IE & (IF_VBLANK | IF_STAT)) && (max > cpu.lcdc))
+                max = cpu.lcdc;
+        
+        /* If timer interrupt cannot happen, this is very simple! */
+        if (!((R_IE & IF_TIMER) && (R_TAC & 0x04)))
+        {
+                cpu_timers(max);
+                return max;
+        }
+
+        /* Figure out when the next timer interrupt will happen */
+        unit = ((-R_TAC) & 3) << 1;
+        cnt = (511 - cpu.tim + (1<<unit)) >> unit;
+        cnt += (255 - R_TIMA) << (9 - unit);
+
+        if (max < cnt)
+                cnt = max;
+        
+        cpu_timers(cnt);
+        return cnt;
+}
+
+#ifndef ASM_CPU_EMULATE
+
+extern int debug_trace;
+
+int cpu_emulate(int cycles)
+{
+        int i;
+        byte op, cbop;
+        int clen;
+        static union reg acc;
+        static byte b;
+        static word w;
+
+        i = cycles;
+next:
+        if ((clen = cpu_idle(i)))
+        {
+                i -= clen;
+                if (i > 0) goto next;
+                return cycles-i;
+        }
+
+        if (IME && (IF & IE))
+        {
+                PRE_INT;
+                switch ((byte)(IF & IE))
+                {
+                case 0x01: case 0x03: case 0x05: case 0x07:
+                case 0x09: case 0x0B: case 0x0D: case 0x0F:
+                case 0x11: case 0x13: case 0x15: case 0x17:
+                case 0x19: case 0x1B: case 0x1D: case 0x1F:
+                        THROW_INT(0); break;
+                case 0x02: case 0x06: case 0x0A: case 0x0E:
+                case 0x12: case 0x16: case 0x1A: case 0x1E:
+                        THROW_INT(1); break;
+                case 0x04: case 0x0C: case 0x14: case 0x1C:
+                        THROW_INT(2); break;
+                case 0x08: case 0x18:
+                        THROW_INT(3); break;
+                case 0x10:
+                        THROW_INT(4); break;
+                }
+        }
+        IME = IMA;
+        
+//      if (debug_trace) debug_disassemble(PC, 1);
+                                
+        op = FETCH;
+        clen = cycles_table[op];
+
+        switch(op)
+        {
+        case 0x00: /* NOP */
+        case 0x40: /* LD B,B */
+        case 0x49: /* LD C,C */
+        case 0x52: /* LD D,D */
+        case 0x5B: /* LD E,E */
+        case 0x64: /* LD H,H */
+        case 0x6D: /* LD L,L */
+        case 0x7F: /* LD A,A */
+                break;
+                        
+        case 0x41: /* LD B,C */
+                B = C; break;
+        case 0x42: /* LD B,D */
+                B = D; break;
+        case 0x43: /* LD B,E */
+                B = E; break;
+        case 0x44: /* LD B,H */
+                B = H; break;
+        case 0x45: /* LD B,L */
+                B = L; break;
+        case 0x46: /* LD B,(HL) */
+                B = readb(xHL); break;
+        case 0x47: /* LD B,A */
+                B = A; break;
+
+        case 0x48: /* LD C,B */
+                C = B; break;
+        case 0x4A: /* LD C,D */
+                C = D; break;
+        case 0x4B: /* LD C,E */
+                C = E; break;
+        case 0x4C: /* LD C,H */
+                C = H; break;
+        case 0x4D: /* LD C,L */
+                C = L; break;
+        case 0x4E: /* LD C,(HL) */
+                C = readb(xHL); break;
+        case 0x4F: /* LD C,A */
+                C = A; break;
+
+        case 0x50: /* LD D,B */
+                D = B; break;
+        case 0x51: /* LD D,C */
+                D = C; break;
+        case 0x53: /* LD D,E */
+                D = E; break;
+        case 0x54: /* LD D,H */
+                D = H; break;
+        case 0x55: /* LD D,L */
+                D = L; break;
+        case 0x56: /* LD D,(HL) */
+                D = readb(xHL); break;
+        case 0x57: /* LD D,A */
+                D = A; break;
+
+        case 0x58: /* LD E,B */
+                E = B; break;
+        case 0x59: /* LD E,C */
+                E = C; break;
+        case 0x5A: /* LD E,D */
+                E = D; break;
+        case 0x5C: /* LD E,H */
+                E = H; break;
+        case 0x5D: /* LD E,L */
+                E = L; break;
+        case 0x5E: /* LD E,(HL) */
+                E = readb(xHL); break;
+        case 0x5F: /* LD E,A */
+                E = A; break;
+
+        case 0x60: /* LD H,B */
+                H = B; break;
+        case 0x61: /* LD H,C */
+                H = C; break;
+        case 0x62: /* LD H,D */
+                H = D; break;
+        case 0x63: /* LD H,E */
+                H = E; break;
+        case 0x65: /* LD H,L */
+                H = L; break;
+        case 0x66: /* LD H,(HL) */
+                H = readb(xHL); break;
+        case 0x67: /* LD H,A */
+                H = A; break;
+                        
+        case 0x68: /* LD L,B */
+                L = B; break;
+        case 0x69: /* LD L,C */
+                L = C; break;
+        case 0x6A: /* LD L,D */
+                L = D; break;
+        case 0x6B: /* LD L,E */
+                L = E; break;
+        case 0x6C: /* LD L,H */
+                L = H; break;
+        case 0x6E: /* LD L,(HL) */
+                L = readb(xHL); break;
+        case 0x6F: /* LD L,A */
+                L = A; break;
+                        
+        case 0x70: /* LD (HL),B */
+                b = B; goto __LD_HL;
+        case 0x71: /* LD (HL),C */
+                b = C; goto __LD_HL;
+        case 0x72: /* LD (HL),D */
+                b = D; goto __LD_HL;
+        case 0x73: /* LD (HL),E */
+                b = E; goto __LD_HL;
+        case 0x74: /* LD (HL),H */
+                b = H; goto __LD_HL;
+        case 0x75: /* LD (HL),L */
+                b = L; goto __LD_HL;
+        case 0x77: /* LD (HL),A */
+                b = A;
+        __LD_HL:
+                writeb(xHL,b);
+                break;
+                        
+        case 0x78: /* LD A,B */
+                A = B; break;
+        case 0x79: /* LD A,C */
+                A = C; break;
+        case 0x7A: /* LD A,D */
+                A = D; break;
+        case 0x7B: /* LD A,E */
+                A = E; break;
+        case 0x7C: /* LD A,H */
+                A = H; break;
+        case 0x7D: /* LD A,L */
+                A = L; break;
+        case 0x7E: /* LD A,(HL) */
+                A = readb(xHL); break;
+
+        case 0x01: /* LD BC,imm */
+                BC = readw(xPC); PC += 2; break;
+        case 0x11: /* LD DE,imm */
+                DE = readw(xPC); PC += 2; break;
+        case 0x21: /* LD HL,imm */
+                HL = readw(xPC); PC += 2; break;
+        case 0x31: /* LD SP,imm */
+                SP = readw(xPC); PC += 2; break;
+
+        case 0x02: /* LD (BC),A */
+                writeb(xBC, A); break;
+        case 0x0A: /* LD A,(BC) */
+                A = readb(xBC); break;
+        case 0x12: /* LD (DE),A */
+                writeb(xDE, A); break;
+        case 0x1A: /* LD A,(DE) */
+                A = readb(xDE); break;
+
+        case 0x22: /* LDI (HL),A */
+                writeb(xHL, A); HL++; break;
+        case 0x2A: /* LDI A,(HL) */
+                A = readb(xHL); HL++; break;
+        case 0x32: /* LDD (HL),A */
+                writeb(xHL, A); HL--; break;
+        case 0x3A: /* LDD A,(HL) */
+                A = readb(xHL); HL--; break;
+
+        case 0x06: /* LD B,imm */
+                B = FETCH; break;
+        case 0x0E: /* LD C,imm */
+                C = FETCH; break;
+        case 0x16: /* LD D,imm */
+                D = FETCH; break;
+        case 0x1E: /* LD E,imm */
+                E = FETCH; break;
+        case 0x26: /* LD H,imm */
+                H = FETCH; break;
+        case 0x2E: /* LD L,imm */
+                L = FETCH; break;
+        case 0x36: /* LD (HL),imm */
+                b = FETCH; writeb(xHL, b); break;
+        case 0x3E: /* LD A,imm */
+                A = FETCH; break;
+
+        case 0x08: /* LD (imm),SP */
+                writew(readw(xPC), SP); PC += 2; break;
+        case 0xEA: /* LD (imm),A */
+                writeb(readw(xPC), A); PC += 2; break;
+
+        case 0xE0: /* LDH (imm),A */
+                writehi(FETCH, A); break;
+        case 0xE2: /* LDH (C),A */
+                writehi(C, A); break;
+        case 0xF0: /* LDH A,(imm) */
+                A = readhi(FETCH); break;
+        case 0xF2: /* LDH A,(C) (undocumented) */
+                A = readhi(C); break;
+                        
+
+        case 0xF8: /* LD HL,SP+imm */
+                b = FETCH; LDHLSP(b); break;
+        case 0xF9: /* LD SP,HL */
+                SP = HL; break;
+        case 0xFA: /* LD A,(imm) */
+                A = readb(readw(xPC)); PC += 2; break;
+
+                ALU_CASES(0x80, 0xC6, ADD, __ADD)
+                ALU_CASES(0x88, 0xCE, ADC, __ADC)
+                ALU_CASES(0x90, 0xD6, SUB, __SUB)
+                ALU_CASES(0x98, 0xDE, SBC, __SBC)
+                ALU_CASES(0xA0, 0xE6, AND, __AND)
+                ALU_CASES(0xA8, 0xEE, XOR, __XOR)
+                ALU_CASES(0xB0, 0xF6, OR, __OR)
+                ALU_CASES(0xB8, 0xFE, CP, __CP)
+
+        case 0x09: /* ADD HL,BC */
+                w = BC; goto __ADDW;
+        case 0x19: /* ADD HL,DE */
+                w = DE; goto __ADDW;
+        case 0x39: /* ADD HL,SP */
+                w = SP; goto __ADDW;
+        case 0x29: /* ADD HL,HL */
+                w = HL;
+        __ADDW:
+                ADDW(w);
+                break;
+
+        case 0x04: /* INC B */
+                INC(B); break;
+        case 0x0C: /* INC C */
+                INC(C); break;
+        case 0x14: /* INC D */
+                INC(D); break;
+        case 0x1C: /* INC E */
+                INC(E); break;
+        case 0x24: /* INC H */
+                INC(H); break;
+        case 0x2C: /* INC L */
+                INC(L); break;
+        case 0x34: /* INC (HL) */
+                b = readb(xHL);
+                INC(b);
+                writeb(xHL, b);
+                break;
+        case 0x3C: /* INC A */
+                INC(A); break;
+                        
+        case 0x03: /* INC BC */
+                INCW(BC); break;
+        case 0x13: /* INC DE */
+                INCW(DE); break;
+        case 0x23: /* INC HL */
+                INCW(HL); break;
+        case 0x33: /* INC SP */
+                INCW(SP); break;
+                        
+        case 0x05: /* DEC B */
+                DEC(B); break;
+        case 0x0D: /* DEC C */
+                DEC(C); break;
+        case 0x15: /* DEC D */
+                DEC(D); break;
+        case 0x1D: /* DEC E */
+                DEC(E); break;
+        case 0x25: /* DEC H */
+                DEC(H); break;
+        case 0x2D: /* DEC L */
+                DEC(L); break;
+        case 0x35: /* DEC (HL) */
+                b = readb(xHL);
+                DEC(b);
+                writeb(xHL, b);
+                break;
+        case 0x3D: /* DEC A */
+                DEC(A); break;
+
+        case 0x0B: /* DEC BC */
+                DECW(BC); break;
+        case 0x1B: /* DEC DE */
+                DECW(DE); break;
+        case 0x2B: /* DEC HL */
+                DECW(HL); break;
+        case 0x3B: /* DEC SP */
+                DECW(SP); break;
+
+        case 0x07: /* RLCA */
+                RLCA(A); break;
+        case 0x0F: /* RRCA */
+                RRCA(A); break;
+        case 0x17: /* RLA */
+                RLA(A); break;
+        case 0x1F: /* RRA */
+                RRA(A); break;
+
+        case 0x27: /* DAA */
+                DAA; break;
+        case 0x2F: /* CPL */
+                CPL(A); break;
+
+        case 0x18: /* JR */
+        __JR:
+                JR; break;
+        case 0x20: /* JR NZ */
+                if (!(F&FZ)) goto __JR; NOJR; break;
+        case 0x28: /* JR Z */
+                if (F&FZ) goto __JR; NOJR; break;
+        case 0x30: /* JR NC */
+                if (!(F&FC)) goto __JR; NOJR; break;
+        case 0x38: /* JR C */
+                if (F&FC) goto __JR; NOJR; break;
+
+        case 0xC3: /* JP */
+        __JP:
+                JP; break;
+        case 0xC2: /* JP NZ */
+                if (!(F&FZ)) goto __JP; NOJP; break;
+        case 0xCA: /* JP Z */
+                if (F&FZ) goto __JP; NOJP; break;
+        case 0xD2: /* JP NC */
+                if (!(F&FC)) goto __JP; NOJP; break;
+        case 0xDA: /* JP C */
+                if (F&FC) goto __JP; NOJP; break;
+        case 0xE9: /* JP HL */
+                PC = HL; break;
+
+        case 0xC9: /* RET */
+        __RET:
+                RET; break;
+        case 0xC0: /* RET NZ */
+                if (!(F&FZ)) goto __RET; NORET; break;
+        case 0xC8: /* RET Z */
+                if (F&FZ) goto __RET; NORET; break;
+        case 0xD0: /* RET NC */
+                if (!(F&FC)) goto __RET; NORET; break;
+        case 0xD8: /* RET C */
+                if (F&FC) goto __RET; NORET; break;
+        case 0xD9: /* RETI */
+                IME = IMA = 1; goto __RET;
+
+        case 0xCD: /* CALL */
+        __CALL:
+                CALL; break;
+        case 0xC4: /* CALL NZ */
+                if (!(F&FZ)) goto __CALL; NOCALL; break;
+        case 0xCC: /* CALL Z */
+                if (F&FZ) goto __CALL; NOCALL; break;
+        case 0xD4: /* CALL NC */
+                if (!(F&FC)) goto __CALL; NOCALL; break;
+        case 0xDC: /* CALL C */
+                if (F&FC) goto __CALL; NOCALL; break;
+
+        case 0xC7: /* RST 0 */
+                b = 0x00; goto __RST;
+        case 0xCF: /* RST 8 */
+                b = 0x08; goto __RST;
+        case 0xD7: /* RST 10 */
+                b = 0x10; goto __RST;
+        case 0xDF: /* RST 18 */
+                b = 0x18; goto __RST;
+        case 0xE7: /* RST 20 */
+                b = 0x20; goto __RST;
+        case 0xEF: /* RST 28 */
+                b = 0x28; goto __RST;
+        case 0xF7: /* RST 30 */
+                b = 0x30; goto __RST;
+        case 0xFF: /* RST 38 */
+                b = 0x38;
+        __RST:
+                RST(b); break;
+                        
+        case 0xC1: /* POP BC */
+                POP(BC); break;
+        case 0xC5: /* PUSH BC */
+                PUSH(BC); break;
+        case 0xD1: /* POP DE */
+                POP(DE); break;
+        case 0xD5: /* PUSH DE */
+                PUSH(DE); break;
+        case 0xE1: /* POP HL */
+                POP(HL); break;
+        case 0xE5: /* PUSH HL */
+                PUSH(HL); break;
+        case 0xF1: /* POP AF */
+                POP(AF); break;
+        case 0xF5: /* PUSH AF */
+                PUSH(AF); break;
+
+        case 0xE8: /* ADD SP,imm */
+                b = FETCH; ADDSP(b); break;
+
+        case 0xF3: /* DI */
+                DI; break;
+        case 0xFB: /* EI */
+                EI; break;
+
+        case 0x37: /* SCF */
+                SCF; break;
+        case 0x3F: /* CCF */
+                CCF; break;
+
+        case 0x10: /* STOP */
+                PC++;
+                if (R_KEY1 & 1)
+                {
+                        cpu.speed = cpu.speed ^ 1;
+                        R_KEY1 = (R_KEY1 & 0x7E) | (cpu.speed << 7);
+                        break;
+                }
+                /* NOTE - we do not implement dmg STOP whatsoever */
+                break;
+                        
+        case 0x76: /* HALT */
+                cpu.halt = 1;
+                break;
+
+        case 0xCB: /* CB prefix */
+                cbop = FETCH;
+                clen = cb_cycles_table[cbop];
+                switch (cbop)
+                {
+                        CB_REG_CASES(B, 0);
+                        CB_REG_CASES(C, 1);
+                        CB_REG_CASES(D, 2);
+                        CB_REG_CASES(E, 3);
+                        CB_REG_CASES(H, 4);
+                        CB_REG_CASES(L, 5);
+                        CB_REG_CASES(A, 7);
+                default:
+                        b = readb(xHL);
+                        switch(cbop)
+                        {
+                                CB_REG_CASES(b, 6);
+                        }
+                        if ((cbop & 0xC0) != 0x40) /* exclude BIT */
+                                writeb(xHL, b);
+                        break;
+                }
+                break;
+                        
+        default:
+                die(
+                        "invalid opcode 0x%02X at address 0x%04X, rombank = %d\n",
+                        op, (PC-1) & 0xffff, mbc.rombank);
+                break;
+        }
+
+        clen <<= 1;
+        div_advance(clen);
+        timer_advance(clen);
+        clen >>= cpu.speed;
+        lcdc_advance(clen);
+        sound_advance(clen);
+
+        i -= clen;
+        if (i > 0) goto next;
+        return cycles-i;
+}
+
+#endif /* ASM_CPU_EMULATE */
+
+
+#ifndef ASM_CPU_STEP
+
+int cpu_step(int max)
+{
+        int cnt;
+        if ((cnt = cpu_idle(max))) return cnt;
+        return cpu_emulate(1);
+}
+
+#endif /* ASM_CPU_STEP */
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/cpu.h b/apps/plugins/rockboy/cpu.h
new file mode 100644
index 0000000000..22d58b0db0
--- /dev/null
+++ b/apps/plugins/rockboy/cpu.h
@@ -0,0 +1,41 @@
+
+
+#ifndef __CPU_H__
+#define __CPU_H__
+
+
+
+#include "defs.h"
+
+
+union reg
+{
+        byte b[2][2];
+        word w[2];
+        un32 d; /* padding for alignment, carry */
+};
+
+struct cpu
+{
+        union reg pc, sp, bc, de, hl, af;
+        int ime, ima;
+        int speed;
+        int halt;
+        int div, tim;
+        int lcdc;
+        int snd;
+};
+
+extern struct cpu cpu;
+
+
+void cpu_reset(void);
+void div_advance(int cnt);
+void timer_advance(int cnt);
+void lcdc_advance(int cnt);
+void sound_advance(int cnt);
+void cpu_timers(int cnt);
+int cpu_emulate(int cycles);
+
+
+#endif
diff --git a/apps/plugins/rockboy/cpucore.h b/apps/plugins/rockboy/cpucore.h
new file mode 100644
index 0000000000..361c106dab
--- /dev/null
+++ b/apps/plugins/rockboy/cpucore.h
@@ -0,0 +1,290 @@
+
+#include "defs.h"
+
+
+static const byte cycles_table[256] =
+{
+        1, 3, 2, 2, 1, 1, 2, 1, 5, 2, 2, 2, 1, 1, 2, 1,
+        1, 3, 2, 2, 1, 1, 2, 1, 3, 2, 2, 2, 1, 1, 2, 1,
+        3, 3, 2, 2, 1, 1, 2, 1, 3, 2, 2, 2, 1, 1, 2, 1,
+        3, 3, 2, 2, 1, 3, 3, 3, 3, 2, 2, 2, 1, 1, 2, 1,
+        
+        1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+        1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+        1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+        2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1,
+        
+        1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+        1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+        1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+        1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1,
+        
+        5, 3, 4, 4, 6, 4, 2, 4, 5, 4, 4, 1, 6, 6, 2, 4,
+        5, 3, 4, 0, 6, 4, 2, 4, 5, 4, 4, 0, 6, 0, 2, 4,
+        3, 3, 2, 0, 0, 4, 2, 4, 4, 1, 4, 0, 0, 0, 2, 4,
+        3, 3, 2, 1, 0, 4, 2, 4, 3, 2, 4, 1, 0, 0, 2, 4,
+};
+
+static const byte cb_cycles_table[256] =
+{
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+        
+        2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2,
+        2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2,
+        2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2,
+        2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2,
+        
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+        
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+        2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 4, 2,
+};
+
+
+
+static const byte zflag_table[256] =
+{
+        FZ, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+static const byte incflag_table[256] =
+{
+        FZ|FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        FH, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+static const byte decflag_table[256] =
+{
+        FZ|FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH,
+        FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN, FN|FH
+};
+
+static const byte swap_table[256] =
+{
+        0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0,
+        0x01, 0x11, 0x21, 0x31, 0x41, 0x51, 0x61, 0x71, 0x81, 0x91, 0xA1, 0xB1, 0xC1, 0xD1, 0xE1, 0xF1,
+        0x02, 0x12, 0x22, 0x32, 0x42, 0x52, 0x62, 0x72, 0x82, 0x92, 0xA2, 0xB2, 0xC2, 0xD2, 0xE2, 0xF2,
+        0x03, 0x13, 0x23, 0x33, 0x43, 0x53, 0x63, 0x73, 0x83, 0x93, 0xA3, 0xB3, 0xC3, 0xD3, 0xE3, 0xF3,
+        0x04, 0x14, 0x24, 0x34, 0x44, 0x54, 0x64, 0x74, 0x84, 0x94, 0xA4, 0xB4, 0xC4, 0xD4, 0xE4, 0xF4,
+        0x05, 0x15, 0x25, 0x35, 0x45, 0x55, 0x65, 0x75, 0x85, 0x95, 0xA5, 0xB5, 0xC5, 0xD5, 0xE5, 0xF5,
+        0x06, 0x16, 0x26, 0x36, 0x46, 0x56, 0x66, 0x76, 0x86, 0x96, 0xA6, 0xB6, 0xC6, 0xD6, 0xE6, 0xF6,
+        0x07, 0x17, 0x27, 0x37, 0x47, 0x57, 0x67, 0x77, 0x87, 0x97, 0xA7, 0xB7, 0xC7, 0xD7, 0xE7, 0xF7,
+        0x08, 0x18, 0x28, 0x38, 0x48, 0x58, 0x68, 0x78, 0x88, 0x98, 0xA8, 0xB8, 0xC8, 0xD8, 0xE8, 0xF8,
+        0x09, 0x19, 0x29, 0x39, 0x49, 0x59, 0x69, 0x79, 0x89, 0x99, 0xA9, 0xB9, 0xC9, 0xD9, 0xE9, 0xF9,
+        0x0A, 0x1A, 0x2A, 0x3A, 0x4A, 0x5A, 0x6A, 0x7A, 0x8A, 0x9A, 0xAA, 0xBA, 0xCA, 0xDA, 0xEA, 0xFA,
+        0x0B, 0x1B, 0x2B, 0x3B, 0x4B, 0x5B, 0x6B, 0x7B, 0x8B, 0x9B, 0xAB, 0xBB, 0xCB, 0xDB, 0xEB, 0xFB,
+        0x0C, 0x1C, 0x2C, 0x3C, 0x4C, 0x5C, 0x6C, 0x7C, 0x8C, 0x9C, 0xAC, 0xBC, 0xCC, 0xDC, 0xEC, 0xFC,
+        0x0D, 0x1D, 0x2D, 0x3D, 0x4D, 0x5D, 0x6D, 0x7D, 0x8D, 0x9D, 0xAD, 0xBD, 0xCD, 0xDD, 0xED, 0xFD,
+        0x0E, 0x1E, 0x2E, 0x3E, 0x4E, 0x5E, 0x6E, 0x7E, 0x8E, 0x9E, 0xAE, 0xBE, 0xCE, 0xDE, 0xEE, 0xFE,
+        0x0F, 0x1F, 0x2F, 0x3F, 0x4F, 0x5F, 0x6F, 0x7F, 0x8F, 0x9F, 0xAF, 0xBF, 0xCF, 0xDF, 0xEF, 0xFF,
+};
+
+static const byte daa_table[4096] =
+{
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        
+        0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+        
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+        0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
+
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+        0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA, 0xFA,
+
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+        0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A, 0x9A,
+};
+
+static const byte daa_carry_table[64] =
+{
+        00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 
+        00, 00, 00, 00, 00, 00, 00, 00, FC, FC, 00, 00, 00, 00, 00, 00,
+        FC, FC, FC, FC, FC, FC, FC, FC, FC, FC, FC, FC, FC, FC, FC, FC,
+        FC, FC, FC, FC, FC, FC, FC, FC, FC, FC, FC, FC, FC, FC, 00, FC,
+};
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/cpuregs.h b/apps/plugins/rockboy/cpuregs.h
new file mode 100644
index 0000000000..0d09908cc3
--- /dev/null
+++ b/apps/plugins/rockboy/cpuregs.h
@@ -0,0 +1,56 @@
+
+
+#ifndef __CPUREGS_H__
+
+#define __CPUREGS_H__
+
+
+
+#include "defs.h"
+#include "cpu.h"
+
+#define LB(r) ((r).b[LO][LO])
+#define HB(r) ((r).b[LO][HI])
+#define W(r) ((r).w[LO])
+#define DW(r) ((r).d)
+
+#define A HB(cpu.af)
+#define F LB(cpu.af)
+#define B HB(cpu.bc)
+#define C LB(cpu.bc)
+#define D HB(cpu.de)
+#define E LB(cpu.de)
+#define H HB(cpu.hl)
+#define L LB(cpu.hl)
+
+#define AF W(cpu.af)
+#define BC W(cpu.bc)
+#define DE W(cpu.de)
+#define HL W(cpu.hl)
+
+#define PC W(cpu.pc)
+#define SP W(cpu.sp)
+
+#define xAF DW(cpu.af)
+#define xBC DW(cpu.bc)
+#define xDE DW(cpu.de)
+#define xHL DW(cpu.hl)
+
+#define xPC DW(cpu.pc)
+#define xSP DW(cpu.sp)
+
+#define IMA cpu.ima
+#define IME cpu.ime
+#define IF R_IF
+#define IE R_IE
+
+#define FZ 0x80
+#define FN 0x40
+#define FH 0x20
+#define FC 0x10
+#define FL 0x0F /* low unused portion of flags */
+
+
+#endif /* __CPUREGS_H__ */
+
+
diff --git a/apps/plugins/rockboy/debug.c b/apps/plugins/rockboy/debug.c
new file mode 100644
index 0000000000..d0e106ba94
--- /dev/null
+++ b/apps/plugins/rockboy/debug.c
@@ -0,0 +1,699 @@
+
+
+#include <stdio.h>
+
+#include "rockmacros.h"
+#include "defs.h"
+#include "cpu.h"
+#include "mem.h"
+#include "fastmem.h"
+#include "regs.h"
+#include "rc.h"
+
+#include "cpuregs.h"
+
+
+static char *mnemonic_table[256] =
+{
+        "NOP",
+        "LD BC,%w",
+        "LD (BC),A",
+        "INC BC",
+        "INC B",
+        "DEC B",
+        "LD B,%b",
+        "RLCA",
+        "LD (%w),SP",
+        "ADD HL,BC",
+        "LD A,(BC)",
+        "DEC BC",
+        "INC C",
+        "DEC C",
+        "LD C,%b",
+        "RRCA",
+        "STOP",
+        "LD DE,%w",
+        "LD (DE),A",
+        "INC DE",
+        "INC D",
+        "DEC D",
+        "LD D,%b",
+        "RLA",
+        "JR %o",
+        "ADD HL,DE",
+        "LD A,(DE)",
+        "DEC DE",
+        "INC E",
+        "DEC E",
+        "LD E,%b",
+        "RRA",
+        "JR NZ,%o",
+        "LD HL,%w",
+        "LD (HLI),A",
+        "INC HL",
+        "INC H",
+        "DEC H",
+        "LD H,%b",
+        "DAA",
+        "JR Z,%o",
+        "ADD HL,HL",
+        "LD A,(HLI)",
+        "DEC HL",
+        "INC L",
+        "DEC L",
+        "LD L,%b",
+        "CPL",
+        "JR NC,%o",
+        "LD SP,%w",
+        "LD (HLD),A",
+        "INC SP",
+        "INC (HL)",
+        "DEC (HL)",
+        "LD (HL),%b",
+        "SCF",
+        "JR C,%o",
+        "ADD HL,SP",
+        "LD A,(HLD)",
+        "DEC SP",
+        "INC A",
+        "DEC A",
+        "LD A,%b",
+        "CCF",
+        "LD B,B",
+        "LD B,C",
+        "LD B,D",
+        "LD B,E",
+        "LD B,H",
+        "LD B,L",
+        "LD B,(HL)",
+        "LD B,A",
+        "LD C,B",
+        "LD C,C",
+        "LD C,D",
+        "LD C,E",
+        "LD C,H",
+        "LD C,L",
+        "LD C,(HL)",
+        "LD C,A",
+        "LD D,B",
+        "LD D,C",
+        "LD D,D",
+        "LD D,E",
+        "LD D,H",
+        "LD D,L",
+        "LD D,(HL)",
+        "LD D,A",
+        "LD E,B",
+        "LD E,C",
+        "LD E,D",
+        "LD E,E",
+        "LD E,H",
+        "LD E,L",
+        "LD E,(HL)",
+        "LD E,A",
+        "LD H,B",
+        "LD H,C",
+        "LD H,D",
+        "LD H,E",
+        "LD H,H",
+        "LD H,L",
+        "LD H,(HL)",
+        "LD H,A",
+        "LD L,B",
+        "LD L,C",
+        "LD L,D",
+        "LD L,E",
+        "LD L,H",
+        "LD L,L",
+        "LD L,(HL)",
+        "LD L,A",
+        "LD (HL),B",
+        "LD (HL),C",
+        "LD (HL),D",
+        "LD (HL),E",
+        "LD (HL),H",
+        "LD (HL),L",
+        "HALT",
+        "LD (HL),A",
+        "LD A,B",
+        "LD A,C",
+        "LD A,D",
+        "LD A,E",
+        "LD A,H",
+        "LD A,L",
+        "LD A,(HL)",
+        "LD A,A",
+        "ADD A,B",
+        "ADD A,C",
+        "ADD A,D",
+        "ADD A,E",
+        "ADD A,H",
+        "ADD A,L",
+        "ADD A,(HL)",
+        "ADD A,A",
+        "ADC A,B",
+        "ADC A,C",
+        "ADC A,D",
+        "ADC A,E",
+        "ADC A,H",
+        "ADC A,L",
+        "ADC A,(HL)",
+        "ADC A",
+        "SUB B",
+        "SUB C",
+        "SUB D",
+        "SUB E",
+        "SUB H",
+        "SUB L",
+        "SUB (HL)",
+        "SUB A",
+        "SBC A,B",
+        "SBC A,C",
+        "SBC A,D",
+        "SBC A,E",
+        "SBC A,H",
+        "SBC A,L",
+        "SBC A,(HL)",
+        "SBC A,A",
+        "AND B",
+        "AND C",
+        "AND D",
+        "AND E",
+        "AND H",
+        "AND L",
+        "AND (HL)",
+        "AND A",
+        "XOR B",
+        "XOR C",
+        "XOR D",
+        "XOR E",
+        "XOR H",
+        "XOR L",
+        "XOR (HL)",
+        "XOR A",
+        "OR B",
+        "OR C",
+        "OR D",
+        "OR E",
+        "OR H",
+        "OR L",
+        "OR (HL)",
+        "OR A",
+        "CP B",
+        "CP C",
+        "CP D",
+        "CP E",
+        "CP H",
+        "CP L",
+        "CP (HL)",
+        "CP A",
+        "RET NZ",
+        "POP BC",
+        "JP NZ,%w",
+        "JP %w",
+        "CALL NZ,%w",
+        "PUSH BC",
+        "ADD A,%b",
+        "RST 0h",
+        "RET Z",
+        "RET",
+        "JP Z,%w",
+        NULL,
+        "CALL Z,%w",
+        "CALL %w",
+        "ADC A,%b",
+        "RST 8h",
+        "RET NC",
+        "POP DE",
+        "JP NC,%w",
+        NULL,
+        "CALL NC,%w",
+        "PUSH DE",
+        "SUB %b",
+        "RST 10h",
+        "RET C",
+        "RETI",
+        "JP C,%w",
+        NULL,
+        "CALL C,%w",
+        NULL,
+        "SBC A,%b",
+        "RST 18h",
+        "LD (FF00+%b),A",
+        "POP HL",
+        "LD (FF00+C),A",
+        NULL,
+        NULL,
+        "PUSH HL",
+        "AND %b",
+        "RST 20h",
+        "ADD SP,%o",
+        "JP HL",
+        "LD (%w),A",
+        NULL,
+        NULL,
+        NULL,
+        "XOR %b",
+        "RST 28h",
+        "LD A,(FF00+%b)",
+        "POP AF",
+        "LD A,(FF00+C)",
+        "DI",
+        NULL,
+        "PUSH AF",
+        "OR %b",
+        "RST 30h",
+        "LD HL,SP%o",
+        "LD SP,HL",
+        "LD A,(%w)",
+        "EI",
+        NULL,
+        NULL,
+        "CP %b",
+        "RST 38h"
+};
+
+static char *cb_mnemonic_table[256] =
+{
+        "RLC B",
+        "RLC C",
+        "RLC D",
+        "RLC E",
+        "RLC H",
+        "RLC L",
+        "RLC (HL)",
+        "RLC A",
+        "RRC B",
+        "RRC C",
+        "RRC D",
+        "RRC E",
+        "RRC H",
+        "RRC L",
+        "RRC (HL)",
+        "RRC A",
+        "RL B",
+        "RL C",
+        "RL D",
+        "RL E",
+        "RL H",
+        "RL L",
+        "RL (HL)",
+        "RL A",
+        "RR B",
+        "RR C",
+        "RR D",
+        "RR E",
+        "RR H",
+        "RR L",
+        "RR (HL)",
+        "RR A",
+        "SLA B",
+        "SLA C",
+        "SLA D",
+        "SLA E",
+        "SLA H",
+        "SLA L",
+        "SLA (HL)",
+        "SLA A",
+        "SRA B",
+        "SRA C",
+        "SRA D",
+        "SRA E",
+        "SRA H",
+        "SRA L",
+        "SRA (HL)",
+        "SRA A",
+        "SWAP B",
+        "SWAP C",
+        "SWAP D",
+        "SWAP E",
+        "SWAP H",
+        "SWAP L",
+        "SWAP (HL)",
+        "SWAP A",
+        "SRL B",
+        "SRL C",
+        "SRL D",
+        "SRL E",
+        "SRL H",
+        "SRL L",
+        "SRL (HL)",
+        "SRL A",
+        "BIT 0,B",
+        "BIT 0,C",
+        "BIT 0,D",
+        "BIT 0,E",
+        "BIT 0,H",
+        "BIT 0,L",
+        "BIT 0,(HL)",
+        "BIT 0,A",
+        "BIT 1,B",
+        "BIT 1,C",
+        "BIT 1,D",
+        "BIT 1,E",
+        "BIT 1,H",
+        "BIT 1,L",
+        "BIT 1,(HL)",
+        "BIT 1,A",
+        "BIT 2,B",
+        "BIT 2,C",
+        "BIT 2,D",
+        "BIT 2,E",
+        "BIT 2,H",
+        "BIT 2,L",
+        "BIT 2,(HL)",
+        "BIT 2,A",
+        "BIT 3,B",
+        "BIT 3,C",
+        "BIT 3,D",
+        "BIT 3,E",
+        "BIT 3,H",
+        "BIT 3,L",
+        "BIT 3,(HL)",
+        "BIT 3,A",
+        "BIT 4,B",
+        "BIT 4,C",
+        "BIT 4,D",
+        "BIT 4,E",
+        "BIT 4,H",
+        "BIT 4,L",
+        "BIT 4,(HL)",
+        "BIT 4,A",
+        "BIT 5,B",
+        "BIT 5,C",
+        "BIT 5,D",
+        "BIT 5,E",
+        "BIT 5,H",
+        "BIT 5,L",
+        "BIT 5,(HL)",
+        "BIT 5,A",
+        "BIT 6,B",
+        "BIT 6,C",
+        "BIT 6,D",
+        "BIT 6,E",
+        "BIT 6,H",
+        "BIT 6,L",
+        "BIT 6,(HL)",
+        "BIT 6,A",
+        "BIT 7,B",
+        "BIT 7,C",
+        "BIT 7,D",
+        "BIT 7,E",
+        "BIT 7,H",
+        "BIT 7,L",
+        "BIT 7,(HL)",
+        "BIT 7,A",
+        "RES 0,B",
+        "RES 0,C",
+        "RES 0,D",
+        "RES 0,E",
+        "RES 0,H",
+        "RES 0,L",
+        "RES 0,(HL)",
+        "RES 0,A",
+        "RES 1,B",
+        "RES 1,C",
+        "RES 1,D",
+        "RES 1,E",
+        "RES 1,H",
+        "RES 1,L",
+        "RES 1,(HL)",
+        "RES 1,A",
+        "RES 2,B",
+        "RES 2,C",
+        "RES 2,D",
+        "RES 2,E",
+        "RES 2,H",
+        "RES 2,L",
+        "RES 2,(HL)",
+        "RES 2,A",
+        "RES 3,B",
+        "RES 3,C",
+        "RES 3,D",
+        "RES 3,E",
+        "RES 3,H",
+        "RES 3,L",
+        "RES 3,(HL)",
+        "RES 3,A",
+        "RES 4,B",
+        "RES 4,C",
+        "RES 4,D",
+        "RES 4,E",
+        "RES 4,H",
+        "RES 4,L",
+        "RES 4,(HL)",
+        "RES 4,A",
+        "RES 5,B",
+        "RES 5,C",
+        "RES 5,D",
+        "RES 5,E",
+        "RES 5,H",
+        "RES 5,L",
+        "RES 5,(HL)",
+        "RES 5,A",
+        "RES 6,B",
+        "RES 6,C",
+        "RES 6,D",
+        "RES 6,E",
+        "RES 6,H",
+        "RES 6,L",
+        "RES 6,(HL)",
+        "RES 6,A",
+        "RES 7,B",
+        "RES 7,C",
+        "RES 7,D",
+        "RES 7,E",
+        "RES 7,H",
+        "RES 7,L",
+        "RES 7,(HL)",
+        "RES 7,A",
+        "SET 0,B",
+        "SET 0,C",
+        "SET 0,D",
+        "SET 0,E",
+        "SET 0,H",
+        "SET 0,L",
+        "SET 0,(HL)",
+        "SET 0,A",
+        "SET 1,B",
+        "SET 1,C",
+        "SET 1,D",
+        "SET 1,E",
+        "SET 1,H",
+        "SET 1,L",
+        "SET 1,(HL)",
+        "SET 1,A",
+        "SET 2,B",
+        "SET 2,C",
+        "SET 2,D",
+        "SET 2,E",
+        "SET 2,H",
+        "SET 2,L",
+        "SET 2,(HL)",
+        "SET 2,A",
+        "SET 3,B",
+        "SET 3,C",
+        "SET 3,D",
+        "SET 3,E",
+        "SET 3,H",
+        "SET 3,L",
+        "SET 3,(HL)",
+        "SET 3,A",
+        "SET 4,B",
+        "SET 4,C",
+        "SET 4,D",
+        "SET 4,E",
+        "SET 4,H",
+        "SET 4,L",
+        "SET 4,(HL)",
+        "SET 4,A",
+        "SET 5,B",
+        "SET 5,C",
+        "SET 5,D",
+        "SET 5,E",
+        "SET 5,H",
+        "SET 5,L",
+        "SET 5,(HL)",
+        "SET 5,A",
+        "SET 6,B",
+        "SET 6,C",
+        "SET 6,D",
+        "SET 6,E",
+        "SET 6,H",
+        "SET 6,L",
+        "SET 6,(HL)",
+        "SET 6,A",
+        "SET 7,B",
+        "SET 7,C",
+        "SET 7,D",
+        "SET 7,E",
+        "SET 7,H",
+        "SET 7,L",
+        "SET 7,(HL)",
+        "SET 7,A"
+};
+
+static byte operand_count[256] =
+{
+        1, 3, 1, 1, 1, 1, 2, 1, 3, 1, 1, 1, 1, 1, 2, 1,
+        1, 3, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1,
+        2, 3, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1,
+        2, 3, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+        1, 1, 3, 3, 3, 1, 2, 1, 1, 1, 3, 2, 3, 3, 2, 1,
+        1, 1, 3, 1, 3, 1, 2, 1, 1, 1, 3, 1, 3, 1, 2, 1,
+        2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 3, 1, 1, 1, 2, 1,
+        2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 3, 1, 1, 1, 2, 1
+};
+
+
+/* replace with a real interactive debugger eventually... */
+
+int debug_trace = 0;
+
+rcvar_t debug_exports[] =
+{
+        RCV_BOOL("trace", &debug_trace),
+        RCV_END
+};
+
+void debug_disassemble(addr a, int c)
+{
+        static int i, j, k;
+        static byte code;
+        static byte ops[3];
+        static int opaddr;
+        static char mnemonic[256];
+        static char *pattern;
+        char meow[500],buf[300];
+//      int fd;
+        if(!debug_trace) return;
+//      fd=open("/rockboy.trace",O_WRONLY|O_APPEND);
+//      if(fd<0)
+//              return;
+
+        while (c > 0)
+        {
+                k = 0;
+                opaddr = a;
+                code = ops[k++] = readb(a); a++;
+                if (code != 0xCB)
+                {
+                        pattern = mnemonic_table[code];
+                        if (!pattern)
+                                pattern = "***INVALID***";
+                }
+                else
+                {
+                        code = ops[k++] = readb(a); a++;
+                        pattern = cb_mnemonic_table[code];
+                }
+                i = j = 0;
+                while (pattern[i])
+                {
+                        if (pattern[i] == '%')
+                        {
+                                switch (pattern[++i])
+                                {
+                                case 'B':
+                                case 'b':
+                                        ops[k] = readb(a); a++;
+                                        j += snprintf(mnemonic + j,255-j,
+                                                "%02Xh", ops[k++]);
+                                        break;
+                                case 'W':
+                                case 'w':
+                                        ops[k] = readb(a); a++;
+                                        ops[k+1] = readb(a); a++;
+                                        j += snprintf(mnemonic + j, 255-j,"%04Xh",
+                                                ((ops[k+1] << 8) | ops[k]));
+                                        k += 2;
+                                        break;
+                                case 'O':
+                                case 'o':
+                                        ops[k] = readb(a); a++;
+                                        j += snprintf(mnemonic + j, 255-j,"%+d",
+                                                (n8)(ops[k++]));
+                                        break;
+                                }
+                                i++;
+                        }
+                        else
+                        {
+                                mnemonic[j++] = pattern[i++];
+                        }
+                }
+                mnemonic[j] = 0;
+                snprintf(buf,299,"%04X ", opaddr);
+                strcpy(meow,buf);
+                switch (operand_count[ops[0]]) {
+                case 1:
+                        snprintf(buf,299,"%02X       ", ops[0]);
+                        strcat(meow,buf);
+                        break;
+                case 2:
+                        snprintf(buf,299,"%02X %02X    ", ops[0], ops[1]);
+                        strcat(meow,buf);
+                        break;
+                case 3:
+                        snprintf(buf,299,"%02X %02X %02X ", ops[0], ops[1], ops[2]);
+                        strcat(meow,buf);
+                        break;
+                }
+                snprintf(buf,"%-16.16s", mnemonic);
+                strcat(meow,buf);
+                rb->lcd_putsxy(0,0,meow);
+                rb->lcd_update();               
+/*              fprintf(fd,
+                        " SP=%04X.%04X BC=%04X.%02X.%02X DE=%04X.%02X "
+                        "HL=%04X.%02X A=%02X F=%02X %c%c%c%c%c",
+                        SP, readw(SP),
+                        BC, readb(BC), readb(0xFF00 | C),
+                        DE, readb(DE),
+                        HL, readb(HL), A,
+                        F, (IME ? 'I' : '-'),
+                        ((F & 0x80) ? 'Z' : '-'),
+                        ((F & 0x40) ? 'N' : '-'),
+                        ((F & 0x20) ? 'H' : '-'),
+                        ((F & 0x10) ? 'C' : '-')
+                );
+                fprintf(fd,
+                        " IE=%02X IF=%02X LCDC=%02X STAT=%02X LY=%02X LYC=%02X",
+                        R_IE, R_IF, R_LCDC, R_STAT, R_LY, R_LYC
+                );*/
+                c--;
+        }
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/defs.h b/apps/plugins/rockboy/defs.h
new file mode 100644
index 0000000000..4c520ef698
--- /dev/null
+++ b/apps/plugins/rockboy/defs.h
@@ -0,0 +1,36 @@
+
+
+
+#ifndef __DEFS_H__
+#define __DEFS_H__
+
+#include "rockmacros.h"
+
+#ifdef LITTLE_ENDIAN
+#define LO 0
+#define HI 1
+#else
+#define LO 1
+#define HI 0
+#endif
+
+
+typedef unsigned char byte;
+
+typedef unsigned char un8;
+typedef unsigned short un16;
+typedef unsigned int un32;
+
+typedef signed char n8;
+typedef signed short n16;
+typedef signed int n32;
+
+typedef un16 word;
+typedef word addr;
+
+
+
+
+
+#endif
+
diff --git a/apps/plugins/rockboy/emu.c b/apps/plugins/rockboy/emu.c
new file mode 100644
index 0000000000..b6f2de779a
--- /dev/null
+++ b/apps/plugins/rockboy/emu.c
@@ -0,0 +1,117 @@
+
+
+
+#include "rockmacros.h"
+#include "defs.h"
+#include "regs.h"
+#include "hw.h"
+#include "cpu.h"
+#include "mem.h"
+#include "lcd.h"
+#include "rc.h"
+#include "sound.h"
+#include "rtc.h"
+
+static int framelen = 16743;
+static int framecount;
+
+rcvar_t emu_exports[] =
+{
+        RCV_INT("framelen", &framelen),
+        RCV_INT("framecount", &framecount),
+        RCV_END
+};
+
+
+
+
+
+
+
+void emu_init(void)
+{
+        
+}
+
+
+/*
+ * emu_reset is called to initialize the state of the emulated
+ * system. It should set cpu registers, hardware registers, etc. to
+ * their appropriate values at powerup time.
+ */
+
+void emu_reset(void)
+{
+        hw_reset();
+        lcd_reset();
+        cpu_reset();
+        mbc_reset();
+        sound_reset();
+}
+
+
+
+
+
+void emu_step(void)
+{
+        cpu_emulate(cpu.lcdc);
+}
+
+
+
+/* This mess needs to be moved to another module; it's just here to
+ * make things work in the mean time. */
+
+void emu_run(void)
+{
+        void *timer = sys_timer();
+        char meow[500];
+        int delay;
+        int framecount=0;
+
+        vid_begin();
+        lcd_begin();
+        while(shut==0)
+        {
+                cpu_emulate(2280);
+                while (R_LY > 0 && R_LY < 144)
+                        emu_step();
+                
+                vid_end();
+                rtc_tick();
+                sound_mix();
+                if (!pcm_submit())
+                {
+                        delay = framelen - sys_elapsed(timer);
+                        sys_sleep(delay);
+                        sys_elapsed(timer);
+                }
+                doevents();
+                vid_begin();
+//              if (framecount) { if (!--framecount) die("finished\n"); }
+                
+                if (!(R_LCDC & 0x80))
+                        cpu_emulate(32832);
+                
+                while (R_LY > 0) /* wait for next frame */
+                        emu_step();
+                framecount++;
+                snprintf(meow,499,"%d",framecount);
+                rb->lcd_putsxy(0,0,meow);
+                rb->lcd_update_rect(0,0,LCD_WIDTH,8);
+                rb->yield();
+        }
+}
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/emu.h b/apps/plugins/rockboy/emu.h
new file mode 100644
index 0000000000..979b33cc54
--- /dev/null
+++ b/apps/plugins/rockboy/emu.h
@@ -0,0 +1,2 @@
+void emu_reset(void);
+void emu_run(void);
diff --git a/apps/plugins/rockboy/events.c b/apps/plugins/rockboy/events.c
new file mode 100644
index 0000000000..5558dd86b2
--- /dev/null
+++ b/apps/plugins/rockboy/events.c
@@ -0,0 +1,61 @@
+/*
+ * events.c
+ *
+ * Event queue.
+ */
+
+
+#include "rockmacros.h"
+#include "input.h"
+
+
+char keystates[MAX_KEYS];
+int nkeysdown;
+
+#define MAX_EVENTS 32
+
+static event_t eventqueue[MAX_EVENTS];
+static int eventhead, eventpos;
+
+
+int ev_postevent(event_t *ev)
+{
+        int nextevent;
+        nextevent = (eventhead+1)%MAX_EVENTS;
+        if (nextevent == eventpos)
+                return 0;
+        eventqueue[eventhead] = *ev;
+        eventhead = nextevent;
+        return 1;
+}
+
+int ev_getevent(event_t *ev)
+{
+        if (eventpos == eventhead)
+        {
+                ev->type = EV_NONE;
+                return 0;
+        }
+        *ev = eventqueue[eventpos];
+        eventpos = (eventpos+1)%MAX_EVENTS;
+        if (ev->type == EV_PRESS)
+        {
+                keystates[ev->code] = 1;
+                nkeysdown++;
+        }
+        if (ev->type == EV_RELEASE)
+        {
+                keystates[ev->code] = 0;
+                nkeysdown--;
+                if (nkeysdown < 0) nkeysdown = 0;
+        }
+        return 1;
+}
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/exports.c b/apps/plugins/rockboy/exports.c
new file mode 100644
index 0000000000..43504f4b4f
--- /dev/null
+++ b/apps/plugins/rockboy/exports.c
@@ -0,0 +1,42 @@
+
+
+#include "rockmacros.h"
+
+#include "rc.h"
+
+extern rcvar_t emu_exports[], loader_exports[],
+        lcd_exports[], rtc_exports[], sound_exports[],
+        vid_exports[], joy_exports[], pcm_exports[];
+
+
+rcvar_t *sources[] =
+{
+        emu_exports,
+        loader_exports,
+        lcd_exports,
+        rtc_exports,
+        sound_exports,
+        vid_exports,
+        joy_exports,
+        pcm_exports,
+        NULL
+};
+
+
+void init_exports(void)
+{
+        rcvar_t **s = sources;
+        
+        while (*s)
+                rc_exportvars(*(s++));
+}
+
+
+void show_exports(void)
+{
+        // TODO
+        /*int i, j;
+        for (i = 0; sources[i]; i++)
+                for (j = 0; sources[i][j].name; j++)
+                        printf("%s\n", sources[i][j].name);*/
+}
diff --git a/apps/plugins/rockboy/exports.h b/apps/plugins/rockboy/exports.h
new file mode 100644
index 0000000000..8d787c0945
--- /dev/null
+++ b/apps/plugins/rockboy/exports.h
@@ -0,0 +1,2 @@
+void init_exports(void);
+void show_exports(void);
diff --git a/apps/plugins/rockboy/fastmem.c b/apps/plugins/rockboy/fastmem.c
new file mode 100644
index 0000000000..ffb0ed5371
--- /dev/null
+++ b/apps/plugins/rockboy/fastmem.c
@@ -0,0 +1,138 @@
+
+
+#include "rockmacros.h"
+#include "fastmem.h"
+
+
+#define D 0 /* direct */
+#define C 1 /* direct cgb-only */
+#define R 2 /* io register */
+#define S 3 /* sound register */
+#define W 4 /* wave pattern */
+
+#define F 0xFF /* fail */
+
+const byte himask[256];
+
+const byte hi_rmap[256] =
+{
+        0, 0, R, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        S, S, S, S, S, S, S, S, S, S, S, S, S, S, S, S,
+        S, S, S, S, S, S, S, S, S, S, S, S, S, S, S, S,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, C, 0, C,
+        0, C, C, C, C, C, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, C, C, C, C, 0, 0, 0, 0,
+        C, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+const byte hi_wmap[256] =
+{
+        R, R, R, R, R, R, R, R, R, R, R, R, R, R, R, R,
+        S, S, S, S, S, S, S, S, S, S, S, S, S, S, S, S,
+        S, S, S, S, S, S, S, S, S, S, S, S, S, S, S, S,
+        S, S, S, S, S, S, S, S, S, S, S, S, S, S, S, S,
+        R, R, R, R, R, R, R, R, R, R, R, R, 0, R, 0, R,
+        0, C, C, C, C, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, R, R, R, R, 0, 0, 0, 0,
+        R, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, R
+};
+
+
+byte readb(int a)
+{
+        byte *p = mbc.rmap[a>>12];
+        if (p) return p[a];
+        else return mem_read(a);
+}
+
+void writeb(int a, byte b)
+{
+        byte *p = mbc.wmap[a>>12];
+        if (p) p[a] = b;
+        else mem_write(a, b);
+}
+
+int readw(int a)
+{
+        if ((a+1) & 0xfff)
+        {
+                byte *p = mbc.rmap[a>>12];
+                if (p)
+                {
+#ifdef LITTLE_ENDIAN
+#ifndef ALLOW_UNALIGNED_IO
+                        if (a&1) return p[a] | (p[a+1]<<8);
+#endif
+                        return *(word *)(p+a);
+#else
+                        return p[a] | (p[a+1]<<8);
+#endif
+                }
+        }
+        return mem_read(a) | (mem_read(a+1)<<8);
+}
+
+void writew(int a, int w)
+{
+        if ((a+1) & 0xfff)
+        {
+                byte *p = mbc.wmap[a>>12];
+                if (p)
+                {
+#ifdef LITTLE_ENDIAN
+#ifndef ALLOW_UNALIGNED_IO
+                        if (a&1)
+                        {
+                                p[a] = w;
+                                p[a+1] = w >> 8;
+                                return;
+                        }
+#endif
+                        *(word *)(p+a) = w;
+                        return;
+#else
+                        p[a] = w;
+                        p[a+1] = w >> 8;
+                        return;
+#endif
+                }
+        }
+        mem_write(a, w);
+        mem_write(a+1, w>>8);
+}
+
+byte readhi(int a)
+{
+        return readb(a | 0xff00);
+}
+
+void writehi(int a, byte b)
+{
+        writeb(a | 0xff00, b);
+}
+
+#if 0
+byte readhi(int a)
+{
+        byte (*rd)() = hi_read[a];
+        return rd ? rd(a) : (ram.hi[a] | himask[a]);
+}
+
+void writehi(int a, byte b)
+{
+        byte (*wr)() = hi_write[a];
+        if (wr) wr(a, b);
+        else ram.hi[a] = b & ~himask[a];
+}
+#endif
+
diff --git a/apps/plugins/rockboy/fastmem.h b/apps/plugins/rockboy/fastmem.h
new file mode 100644
index 0000000000..7ab447fd2a
--- /dev/null
+++ b/apps/plugins/rockboy/fastmem.h
@@ -0,0 +1,22 @@
+
+#ifndef __FASTMEM_H__
+#define __FASTMEM_H__
+
+
+#include "defs.h"
+#include "mem.h"
+
+
+byte readb(int a);
+void writeb(int a, byte b);
+int readw(int a);
+void writew(int a, int w);
+byte readhi(int a);
+void writehi(int a, byte b);
+#if 0
+byte readhi(int a);
+void writehi(int a, byte b);
+#endif
+
+
+#endif
diff --git a/apps/plugins/rockboy/fb.h b/apps/plugins/rockboy/fb.h
new file mode 100644
index 0000000000..97d16ae1b1
--- /dev/null
+++ b/apps/plugins/rockboy/fb.h
@@ -0,0 +1,35 @@
+
+
+#ifndef __FB_H__
+#define __FB_H__
+
+
+#include "defs.h"
+
+
+
+struct fb
+{
+        byte *ptr;
+        int w, h;
+        int pelsize;
+        int pitch;
+        int indexed;
+        struct
+        {
+                int l, r;
+        } cc[4];
+        int yuv;
+        int enabled;
+        int dirty;
+};
+
+
+extern struct fb fb;
+
+
+#endif
+
+
+
+
diff --git a/apps/plugins/rockboy/hw.c b/apps/plugins/rockboy/hw.c
new file mode 100644
index 0000000000..c287e24f8a
--- /dev/null
+++ b/apps/plugins/rockboy/hw.c
@@ -0,0 +1,183 @@
+
+
+
+#include "rockmacros.h"
+#include "defs.h"
+#include "cpu.h"
+#include "hw.h"
+#include "regs.h"
+#include "lcd.h"
+#include "mem.h"
+#include "fastmem.h"
+
+
+struct hw hw;
+
+
+
+/*
+ * hw_interrupt changes the virtual interrupt lines included in the
+ * specified mask to the values the corresponding bits in i take, and
+ * in doing so, raises the appropriate bit of R_IF for any interrupt
+ * lines that transition from low to high.
+ */
+
+void hw_interrupt(byte i, byte mask)
+{
+        byte oldif = R_IF;
+        i &= 0x1F & mask;
+        R_IF |= i & (hw.ilines ^ i);
+
+        /* FIXME - is this correct? not sure the docs understand... */
+        if ((R_IF & (R_IF ^ oldif) & R_IE) && cpu.ime) cpu.halt = 0;
+        /* if ((i & (hw.ilines ^ i) & R_IE) && cpu.ime) cpu.halt = 0; */
+        /* if ((i & R_IE) && cpu.ime) cpu.halt = 0; */
+        
+        hw.ilines &= ~mask;
+        hw.ilines |= i;
+}
+
+
+/*
+ * hw_dma performs plain old memory-to-oam dma, the original dmg
+ * dma. Although on the hardware it takes a good deal of time, the cpu
+ * continues running during this mode of dma, so no special tricks to
+ * stall the cpu are necessary.
+ */
+
+void hw_dma(byte b)
+{
+        int i;
+        addr a;
+
+        a = ((addr)b) << 8;
+        for (i = 0; i < 160; i++, a++)
+                lcd.oam.mem[i] = readb(a);
+}
+
+
+
+void hw_hdma_cmd(byte c)
+{
+        int cnt;
+        addr sa;
+        int da;
+
+        /* Begin or cancel HDMA */
+        if ((hw.hdma|c) & 0x80)
+        {
+                hw.hdma = c;
+                R_HDMA5 = c & 0x7f;
+                return;
+        }
+        
+        /* Perform GDMA */
+        sa = ((addr)R_HDMA1 << 8) | (R_HDMA2&0xf0);
+        da = 0x8000 | ((int)(R_HDMA3&0x1f) << 8) | (R_HDMA4&0xf0);
+        cnt = ((int)c)+1;
+        /* FIXME - this should use cpu time! */
+        /*cpu_timers(102 * cnt);*/
+        cnt <<= 4;
+        while (cnt--)
+                writeb(da++, readb(sa++));
+        R_HDMA1 = sa >> 8;
+        R_HDMA2 = sa & 0xF0;
+        R_HDMA3 = 0x1F & (da >> 8);
+        R_HDMA4 = da & 0xF0;
+        R_HDMA5 = 0xFF;
+}
+
+
+void hw_hdma(void)
+{
+        int cnt;
+        addr sa;
+        int da;
+
+        sa = ((addr)R_HDMA1 << 8) | (R_HDMA2&0xf0);
+        da = 0x8000 | ((int)(R_HDMA3&0x1f) << 8) | (R_HDMA4&0xf0);
+        cnt = 16;
+        while (cnt--)
+                writeb(da++, readb(sa++));
+        R_HDMA1 = sa >> 8;
+        R_HDMA2 = sa & 0xF0;
+        R_HDMA3 = 0x1F & (da >> 8);
+        R_HDMA4 = da & 0xF0;
+        R_HDMA5--;
+        hw.hdma--;
+}
+
+
+/*
+ * pad_refresh updates the P1 register from the pad states, generating
+ * the appropriate interrupts (by quickly raising and lowering the
+ * interrupt line) if a transition has been made.
+ */
+
+void pad_refresh()
+{
+        byte oldp1;
+        oldp1 = R_P1;
+        R_P1 &= 0x30;
+        R_P1 |= 0xc0;
+        if (!(R_P1 & 0x10))
+                R_P1 |= (hw.pad & 0x0F);
+        if (!(R_P1 & 0x20))
+                R_P1 |= (hw.pad >> 4);
+        R_P1 ^= 0x0F;
+        if (oldp1 & ~R_P1 & 0x0F)
+        {
+                hw_interrupt(IF_PAD, IF_PAD);
+                hw_interrupt(0, IF_PAD);
+        }
+}
+
+
+/*
+ * These simple functions just update the state of a button on the
+ * pad.
+ */
+
+void pad_press(byte k)
+{
+        if (hw.pad & k)
+                return;
+        hw.pad |= k;
+        pad_refresh();
+}
+
+void pad_release(byte k)
+{
+        if (!(hw.pad & k))
+                return;
+        hw.pad &= ~k;
+        pad_refresh();
+}
+
+void pad_set(byte k, int st)
+{
+        st ? pad_press(k) : pad_release(k);
+}
+
+void hw_reset()
+{
+        hw.ilines = hw.pad = 0;
+
+        memset(ram.hi, 0, sizeof ram.hi);
+
+        R_P1 = 0xFF;
+        R_LCDC = 0x91;
+        R_BGP = 0xFC;
+        R_OBP0 = 0xFF;
+        R_OBP1 = 0xFF;
+        R_SVBK = 0x01;
+        R_HDMA5 = 0xFF;
+        R_VBK = 0xFE;
+}
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/hw.h b/apps/plugins/rockboy/hw.h
new file mode 100644
index 0000000000..d05fb51194
--- /dev/null
+++ b/apps/plugins/rockboy/hw.h
@@ -0,0 +1,47 @@
+
+
+
+#ifndef __HW_H__
+#define __HW_H__
+
+
+#include "defs.h"
+
+
+#define PAD_RIGHT  0x01
+#define PAD_LEFT   0x02
+#define PAD_UP     0x04
+#define PAD_DOWN   0x08
+#define PAD_A      0x10
+#define PAD_B      0x20
+#define PAD_SELECT 0x40
+#define PAD_START  0x80
+
+#define IF_VBLANK 0x01
+#define IF_STAT   0x02
+#define IF_TIMER  0x04
+#define IF_SERIAL 0x08
+#define IF_PAD    0x10
+
+struct hw
+{
+        byte ilines;
+        byte pad;
+        int hdma;
+        int cgb,gba;
+};
+
+
+extern struct hw hw;
+
+void hw_interrupt(byte i, byte mask);
+void hw_dma(byte b);
+void hw_hdma_cmd(byte c);
+void hw_hdma(void);
+void pad_refresh(void);
+void pad_press(byte k);
+void pad_release(byte k);
+void pad_set(byte k, int st);
+void hw_reset(void);
+
+#endif
diff --git a/apps/plugins/rockboy/inflate.c b/apps/plugins/rockboy/inflate.c
new file mode 100644
index 0000000000..6818749187
--- /dev/null
+++ b/apps/plugins/rockboy/inflate.c
@@ -0,0 +1,514 @@
+
+/* Slightly modified from its original form so as not to exit the
+ * program on errors. The resulting file remains in the public
+ * domain for all to use. */
+
+/* --- GZIP file format uncompression routines --- */
+
+/* The following routines (notably the unzip()) function below
+ * uncompress gzipped data.  They are terribly slow at the task, but
+ * it is presumed that they work reasonably well.  They don't do any
+ * error checking, but they're probably not too vulnerable to buggy
+ * data either.  Another important limitation (but it would be pretty
+ * easy to get around) is that the data must reside in memory, it is
+ * not read as a stream.  They have been very little tested.  Anyway,
+ * whatever these functions are good for, I put them in the public
+ * domain.  -- David Madore <david.madore@ens.fr> 1999/11/21 */
+
+#include "rockmacros.h"
+
+static unsigned int
+peek_bits (const unsigned char *data, long p, int q)
+     /* Read q bits starting from bit p from the data pointed to by
+      * data.  Data is in little-endian format. */
+{
+  unsigned int answer;
+  int cnt; /* Number of bits already placed in answer */
+  char ob, lb; /* Offset and length of bit field within current byte */
+
+  answer = 0;
+  for ( cnt=0 ; cnt<q ; /* cnt updated in body */ )
+    {
+      ob = (p+cnt)%8;
+      lb = 8-ob;
+      if ( cnt+lb > q )
+        lb = q-cnt;
+      answer |= ((unsigned int)((data[(p+cnt)/8]>>ob)&((1U<<lb)-1)))<<cnt;
+      cnt += lb;
+    }
+  return answer;
+}
+
+static unsigned int
+read_bits (const unsigned char *data, long *p, int q)
+     /* Read q bits as per peek_bits(), but also increase p by q. */
+{
+  unsigned int answer;
+
+  answer = peek_bits (data, *p, q);
+  *p += q;
+  return answer;
+}
+
+static void
+make_code_table (const char size_table[], int table_length,
+                 unsigned int code_table[], int maxbits)
+     /* Make a code table from a length table.  See rfc1951, section
+      * 3.2.2, for details on what this means.  The size_table
+      * contains the length of the Huffman codes for each letter, and
+      * the code_table receives the computed codes themselves.
+      * table_length is the size of the tables (alphabet length) and
+      * maxbits is the maximal allowed code length. */
+{
+  int i, j;
+  unsigned int code;
+
+  code = 0;
+  for ( i=1 ; i<=maxbits ; i++ )
+    {
+      for ( j=0 ; j<table_length ; j++ )
+        {
+          if ( size_table[j]==i )
+            code_table[j] = code++;
+        }
+      code <<= 1;
+    }
+}
+
+static int
+decode_one (const unsigned char *data, long *p,
+            const char size_table[], int table_length,
+            const unsigned int code_table[], int maxbits)
+     /* Decode one alphabet letter from the data, starting at bit p
+      * (which will be increased by the appropriate amount) using
+      * size_table and code_table to decipher the Huffman encoding. */
+{
+  unsigned int code;
+  int i, j;
+
+  code = 0;
+  /* Read as many bits as are likely to be necessary - backward, of
+   * course. */
+  for ( i=0 ; i<maxbits ; i++ )
+    code = (code<<1) + peek_bits (data, (*p)+i, 1);
+  /* Now examine each symbol of the table to find one that matches the
+   * first bits of the code read. */
+  for ( j=0 ; j<table_length ; j++ )
+    {
+      if ( size_table[j]
+           && ( (code>>(maxbits-size_table[j])) == code_table[j] ) )
+        {
+          *p += size_table[j];
+          return j;
+        }
+    }
+  return -1;
+}
+
+/* I don't know what these should be.  The rfc1951 doesn't seem to say
+ * (it only mentions them in the last paragraph of section 3.2.1).  15
+ * is almost certainly safe, and it is the largest I can put given the
+ * constraints on the size of integers in the C standard. */
+#define CLEN_MAXBITS 15
+#define HLIT_MAXBITS 15
+#define HDIST_MAXBITS 15
+
+/* The magical table sizes... */
+#define CLEN_TSIZE 19
+#define HLIT_TSIZE 288
+#define HDIST_TSIZE 30
+
+static int
+get_tables (const unsigned char *data, long *p,
+            char hlit_size_table[HLIT_TSIZE],
+            unsigned int hlit_code_table[HLIT_TSIZE],
+            char hdist_size_table[HDIST_TSIZE],
+            unsigned int hdist_code_table[HDIST_TSIZE])
+     /* Fill the Huffman tables (first the code lengths table, and
+      * then, using it, the literal/length table and the distance
+      * table).  See section 3.2.7 of rfc1951 for details. */
+{
+  char hlit, hdist, hclen;
+  const int clen_weird_tangle[CLEN_TSIZE]
+    = { 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 };
+  char clen_size_table[CLEN_TSIZE];
+  unsigned int clen_code_table[CLEN_TSIZE];
+  int j;
+  unsigned int b;
+  int remainder; /* See note at end of section 3.2.7 of rfc1951. */
+  char rem_val;
+
+  hlit = read_bits (data, p, 5);
+  hdist = read_bits (data, p, 5);
+  hclen = read_bits (data, p, 4);
+  for ( j=0 ; j<4+hclen ; j++ )
+    clen_size_table[clen_weird_tangle[j]]
+      = read_bits (data, p, 3);
+  for ( ; j<CLEN_TSIZE ; j++ )
+    clen_size_table[clen_weird_tangle[j]] = 0;
+  make_code_table (clen_size_table, CLEN_TSIZE,
+                   clen_code_table, CLEN_MAXBITS);
+  remainder = 0;
+  rem_val = 0;
+  for ( j=0 ; j<257+hlit ; j++ )
+    {
+      b = decode_one (data, p, clen_size_table, CLEN_TSIZE,
+                      clen_code_table, CLEN_MAXBITS);
+      if ( b<0 ) return -1;
+      if ( b<16 )
+        hlit_size_table[j] = b;
+      else if ( b == 16 )
+        {
+          int k, l;
+
+          k = read_bits (data, p, 2);
+          for ( l=0 ; l<k+3 && j+l<257+hlit ; l++ )
+            hlit_size_table[j+l] = hlit_size_table[j-1];
+          j += l-1;
+          remainder = k+3-l; /* THIS IS SO UGLY! */
+          rem_val = hlit_size_table[j-1];
+        }
+      else if ( b == 17 )
+        {
+          int k, l;
+
+          k = read_bits (data, p, 3);
+          for ( l=0 ; l<k+3 && j+l<257+hlit ; l++ )
+            hlit_size_table[j+l] = 0;
+          j += l-1;
+          remainder = k+3-l;
+          rem_val = 0;
+        }
+      else if ( b == 18 )
+        {
+          int k, l;
+
+          k = read_bits (data, p, 7);
+          for ( l=0 ; l<k+11 && j+l<257+hlit ; l++ )
+            hlit_size_table[j+l] = 0;
+          j += l-1;
+          remainder = k+11-l;
+          rem_val = 0;
+        }
+    }
+  for ( ; j<HLIT_TSIZE ; j++ )
+    hlit_size_table[j] = 0;
+  make_code_table (hlit_size_table, HLIT_TSIZE,
+                   hlit_code_table, HLIT_MAXBITS);
+  for ( j=0 ; j<remainder ; j++ )
+    hdist_size_table[j] = rem_val;
+  for ( ; j<1+hdist ; j++ )
+    /* Can you spell: ``copy-paste''? */
+    {
+      b = decode_one (data, p, clen_size_table, CLEN_TSIZE,
+                      clen_code_table, CLEN_MAXBITS);
+      if ( b<0 ) return -1;
+      if ( b<16 )
+        hdist_size_table[j] = b;
+      else if ( b == 16 )
+        {
+          int k, l;
+
+          k = read_bits (data, p, 2);
+          for ( l=0 ; l<k+3 && j+l<1+hdist ; l++ )
+            hdist_size_table[j+l] = hdist_size_table[j-1];
+          j += l-1;
+        }
+      else if ( b == 17 )
+        {
+          int k, l;
+
+          k = read_bits (data, p, 3);
+          for ( l=0 ; l<k+3 && j+l<1+hdist ; l++ )
+            hdist_size_table[j+l] = 0;
+          j += l-1;
+        }
+      else if ( b == 18 )
+        {
+          int k, l;
+
+          k = read_bits (data, p, 7);
+          for ( l=0 ; l<k+11 && j+l<1+hdist ; l++ )
+            hdist_size_table[j+l] = 0;
+          j += l-1;
+        }
+    }
+  for ( ; j<HDIST_TSIZE ; j++ )
+    hdist_size_table[j] = 0;
+  make_code_table (hdist_size_table, HDIST_TSIZE,
+                   hdist_code_table, HDIST_MAXBITS);
+  return 0;
+}
+
+/* The (circular) output buffer.  This lets us track
+ * backreferences. */
+
+/* Minimal buffer size.  Also the only useful value. */
+#define BUFFER_SIZE 32768
+
+/* Pointer to the character to be added to the buffer */
+static unsigned int buffer_ptr = 0;
+
+/* The buffer itself */
+static unsigned char buffer[BUFFER_SIZE];
+
+static void
+pushout (unsigned char ch)
+     /* Store one byte in the output buffer so it may be retrieved if
+      * it is referenced again. */
+{
+  buffer[buffer_ptr++] = ch;
+  buffer_ptr %= BUFFER_SIZE;
+}
+
+static unsigned char
+pushin (unsigned int dist)
+     /* Retrieve one byte, dist bytes away, from the output buffer. */
+{
+  return buffer[(buffer_ptr+(BUFFER_SIZE-dist))%BUFFER_SIZE];
+}
+
+static int
+get_data (const unsigned char *data, long *p,
+          const char hlit_size_table[HLIT_TSIZE],
+          const unsigned int hlit_code_table[HLIT_TSIZE],
+          const char hdist_size_table[HDIST_TSIZE],
+          const unsigned int hdist_code_table[HDIST_TSIZE],
+          void (* callback) (unsigned char d))
+     /* Do the actual uncompressing.  Call callback on each character
+      * uncompressed. */
+{
+  unsigned int b;
+
+  while ( 1 ) {
+    b = decode_one (data, p, hlit_size_table, HLIT_TSIZE,
+                    hlit_code_table, HLIT_MAXBITS);
+    if ( b<0 ) return -1;
+    if ( b < 256 )
+      /* Literal */
+      {
+        pushout ((unsigned char) b);
+        callback ((unsigned char) b);
+      }
+    else if ( b == 256 )
+      /* End of block */
+      return 0;
+    else if ( b >= 257 )
+      /* Back reference */
+      {
+        unsigned int bb;
+        unsigned int length, dist;
+        unsigned int l;
+
+        switch ( b )
+          {
+          case 257: length = 3; break;
+          case 258: length = 4; break;
+          case 259: length = 5; break;
+          case 260: length = 6; break;
+          case 261: length = 7; break;
+          case 262: length = 8; break;
+          case 263: length = 9; break;
+          case 264: length = 10; break;
+          case 265: length = 11 + read_bits (data, p, 1); break;
+          case 266: length = 13 + read_bits (data, p, 1); break;
+          case 267: length = 15 + read_bits (data, p, 1); break;
+          case 268: length = 17 + read_bits (data, p, 1); break;
+          case 269: length = 19 + read_bits (data, p, 2); break;
+          case 270: length = 23 + read_bits (data, p, 2); break;
+          case 271: length = 27 + read_bits (data, p, 2); break;
+          case 272: length = 31 + read_bits (data, p, 2); break;
+          case 273: length = 35 + read_bits (data, p, 3); break;
+          case 274: length = 43 + read_bits (data, p, 3); break;
+          case 275: length = 51 + read_bits (data, p, 3); break;
+          case 276: length = 59 + read_bits (data, p, 3); break;
+          case 277: length = 67 + read_bits (data, p, 4); break;
+          case 278: length = 83 + read_bits (data, p, 4); break;
+          case 279: length = 99 + read_bits (data, p, 4); break;
+          case 280: length = 115 + read_bits (data, p, 4); break;
+          case 281: length = 131 + read_bits (data, p, 5); break;
+          case 282: length = 163 + read_bits (data, p, 5); break;
+          case 283: length = 195 + read_bits (data, p, 5); break;
+          case 284: length = 227 + read_bits (data, p, 5); break;
+          case 285: length = 258; break;
+          default:
+            return -1;
+          }
+        bb = decode_one (data, p, hdist_size_table, HDIST_TSIZE,
+                         hdist_code_table, HDIST_MAXBITS);
+        switch ( bb )
+          {
+          case 0: dist = 1; break;
+          case 1: dist = 2; break;
+          case 2: dist = 3; break;
+          case 3: dist = 4; break;
+          case 4: dist = 5 + read_bits (data, p, 1); break;
+          case 5: dist = 7 + read_bits (data, p, 1); break;
+          case 6: dist = 9 + read_bits (data, p, 2); break;
+          case 7: dist = 13 + read_bits (data, p, 2); break;
+          case 8: dist = 17 + read_bits (data, p, 3); break;
+          case 9: dist = 25 + read_bits (data, p, 3); break;
+          case 10: dist = 33 + read_bits (data, p, 4); break;
+          case 11: dist = 49 + read_bits (data, p, 4); break;
+          case 12: dist = 65 + read_bits (data, p, 5); break;
+          case 13: dist = 97 + read_bits (data, p, 5); break;
+          case 14: dist = 129 + read_bits (data, p, 6); break;
+          case 15: dist = 193 + read_bits (data, p, 6); break;
+          case 16: dist = 257 + read_bits (data, p, 7); break;
+          case 17: dist = 385 + read_bits (data, p, 7); break;
+          case 18: dist = 513 + read_bits (data, p, 8); break;
+          case 19: dist = 769 + read_bits (data, p, 8); break;
+          case 20: dist = 1025 + read_bits (data, p, 9); break;
+          case 21: dist = 1537 + read_bits (data, p, 9); break;
+          case 22: dist = 2049 + read_bits (data, p, 10); break;
+          case 23: dist = 3073 + read_bits (data, p, 10); break;
+          case 24: dist = 4097 + read_bits (data, p, 11); break;
+          case 25: dist = 6145 + read_bits (data, p, 11); break;
+          case 26: dist = 8193 + read_bits (data, p, 12); break;
+          case 27: dist = 12289 + read_bits (data, p, 12); break;
+          case 28: dist = 16385 + read_bits (data, p, 13); break;
+          case 29: dist = 24577 + read_bits (data, p, 13); break;
+          default:
+            return -1;
+          }
+        for ( l=0 ; l<length ; l++ )
+          {
+            unsigned char ch;
+
+            ch = pushin (dist);
+            pushout (ch);
+            callback (ch);
+          }
+      }
+  }
+  return 0;
+}
+
+static int
+inflate (const unsigned char *data, long *p,
+         void (* callback) (unsigned char d))
+     /* Main uncompression function for the deflate method */
+{
+  char blast, btype;
+  char hlit_size_table[HLIT_TSIZE];
+  unsigned int hlit_code_table[HLIT_TSIZE];
+  char hdist_size_table[HDIST_TSIZE];
+  unsigned int hdist_code_table[HDIST_TSIZE];
+
+ again:
+  blast = read_bits (data, p, 1);
+  btype = read_bits (data, p, 2);
+  if ( btype == 1 || btype == 2 )
+    {
+      if ( btype == 2 )
+        {
+          /* Dynamic Huffman tables */
+          if (get_tables (data, p,
+                          hlit_size_table, hlit_code_table,
+                          hdist_size_table, hdist_code_table) < 0) return -1;
+        }
+      else
+        /* Fixed Huffman codes */
+        {
+          int j;
+
+          for ( j=0 ; j<144 ; j++ )
+            hlit_size_table[j] = 8;
+          for ( ; j<256 ; j++ )
+            hlit_size_table[j] = 9;
+          for ( ; j<280 ; j++ )
+            hlit_size_table[j] = 7;
+          for ( ; j<HLIT_TSIZE ; j++ )
+            hlit_size_table[j] = 8;
+          make_code_table (hlit_size_table, HLIT_TSIZE,
+                           hlit_code_table, HLIT_MAXBITS);
+          for ( j=0 ; j<HDIST_TSIZE ; j++ )
+            hdist_size_table[j] = 5;
+          make_code_table (hdist_size_table, HDIST_TSIZE,
+                           hdist_code_table, HDIST_MAXBITS);
+        }
+      if (get_data (data, p,
+                    hlit_size_table, hlit_code_table,
+                    hdist_size_table, hdist_code_table,
+                    callback) < 0) return -1;;
+    }
+  else if ( btype == 0 )
+    /* Non compressed block */
+    {
+      unsigned int len, nlen;
+      unsigned int l;
+      unsigned char b;
+
+      *p = (*p+7)/8; /* Jump to next byte boundary */
+      len = read_bits (data, p, 16);
+      nlen = read_bits (data, p, 16);
+      for ( l=0 ; l<len ; l++ )
+        {
+          b = read_bits (data, p, 8);
+          pushout (b);
+          callback (b);
+        }
+    }
+  else
+    {
+      return -1;
+    }
+  if ( ! blast )
+    goto again;
+  return 0;
+}
+
+int
+unzip (const unsigned char *data, long *p,
+       void (* callback) (unsigned char d))
+     /* Uncompress gzipped data.  data is a pointer to the data, p is
+      * a pointer to a long that is initialized to 0 (unless for some
+      * reason you want to start uncompressing further down the data),
+      * and callback is a function taking an unsigned char and
+      * returning void that will be called successively for every
+      * uncompressed byte. */
+{
+  unsigned char cm, flg;
+
+  if ( read_bits (data, p, 8) != 0x1f
+       || read_bits (data, p, 8) != 0x8b )
+    {
+      return -1;
+    }
+  cm = read_bits (data, p, 8);
+  if ( cm != 0x8 )
+    {
+      return -1;
+    }
+  flg = read_bits (data, p, 8);
+  if ( flg & 0xe0 )
+    /* fprintf (stderr, "Warning: unknown bits are set in flags.\n") */ ;
+  read_bits (data, p, 32); /* Ignore modification time */
+  read_bits (data, p, 8); /* Ignore extra flags */
+  read_bits (data, p, 8); /* Ignore OS type */
+  if ( flg & 0x4 )
+    {
+      /* Skip over extra data */
+      unsigned int xlen;
+
+      xlen = read_bits (data, p, 16);
+      *p += ((long)xlen)*8;
+    }
+  if ( flg & 0x8 )
+    {
+      /* Skip over file name */
+      while ( read_bits (data, p, 8) );
+    }
+  if ( flg & 0x10 )
+    {
+      /* Skip over comment */
+      while ( read_bits (data, p, 8) );
+    }
+  if ( flg & 0x2 )
+    /* Ignore CRC16 */
+    read_bits (data, p, 16);
+  return inflate (data, p, callback);
+  /* CRC32 and ISIZE are at the end.  We don't even bother to look at
+   * them. */
+}
+
diff --git a/apps/plugins/rockboy/input.h b/apps/plugins/rockboy/input.h
new file mode 100644
index 0000000000..8c5fdf9352
--- /dev/null
+++ b/apps/plugins/rockboy/input.h
@@ -0,0 +1,24 @@
+/*
+ * input.h
+ *
+ * Definitions for input device stuff - buttons, keys, etc.
+ */
+
+
+#define MAX_KEYS 10
+
+typedef struct event_s
+{
+        int type;
+        int code;
+} event_t;
+
+#define EV_NONE 0
+#define EV_PRESS 1
+#define EV_RELEASE 2
+#define EV_REPEAT 3
+
+int ev_postevent(event_t *ev);
+int ev_getevent(event_t *ev);
+
+
diff --git a/apps/plugins/rockboy/lcd.c b/apps/plugins/rockboy/lcd.c
new file mode 100644
index 0000000000..6351cb93ed
--- /dev/null
+++ b/apps/plugins/rockboy/lcd.c
@@ -0,0 +1,956 @@
+
+
+#include "config.h"
+#include "rockmacros.h"
+#include "defs.h"
+#include "regs.h"
+#include "hw.h"
+#include "mem.h"
+#include "lcd.h"
+#include "rc.h"
+#include "fb.h"
+#include "palette.h"
+#ifdef USE_ASM
+#include "asm.h"
+#endif
+
+struct lcd lcd;
+
+struct scan scan;
+
+#define BG (scan.bg)
+#define WND (scan.wnd)
+#define BUF (scan.buf[scanline_ind])
+#define PRI (scan.pri)
+
+#define PAL1 (scan.pal1)
+#define PAL2 (scan.pal2)
+#define PAL4 (scan.pal4)
+
+#define VS (scan.vs) /* vissprites */
+#define NS (scan.ns)
+
+#define L (scan.l) /* line */
+#define X (scan.x) /* screen position */
+#define Y (scan.y)
+#define S (scan.s) /* tilemap position */
+#define T (scan.t)
+#define U (scan.u) /* position within tile */
+#define V (scan.v)
+#define WX (scan.wx)
+#define WY (scan.wy)
+#define WT (scan.wt)
+#define WV (scan.wv)
+
+byte patpix[4096][8][8];
+byte patdirty[1024];
+byte anydirty;
+
+// static int scale = 1;
+
+static int rgb332;
+
+static int sprsort = 1;
+static int sprdebug;
+static int scanline_ind=0;
+
+#define DEF_PAL { 0x98d0e0, 0x68a0b0, 0x60707C, 0x2C3C3C }
+
+static int dmg_pal[4][4] = { DEF_PAL, DEF_PAL, DEF_PAL, DEF_PAL };
+
+static int usefilter, filterdmg;
+static int filter[3][4] = {
+                              { 195,  25,   0,  35 },
+                              {  25, 170,  25,  35 },
+                              {  25,  60, 125,  40 }
+                          };
+
+rcvar_t lcd_exports[] =
+    {
+        RCV_BOOL("rgb332", &rgb332),
+        RCV_VECTOR("dmg_bgp", dmg_pal[0], 4),
+        RCV_VECTOR("dmg_wndp", dmg_pal[1], 4),
+        RCV_VECTOR("dmg_obp0", dmg_pal[2], 4),
+        RCV_VECTOR("dmg_obp1", dmg_pal[3], 4),
+        RCV_BOOL("sprsort", &sprsort),
+        RCV_BOOL("sprdebug", &sprdebug),
+        RCV_BOOL("colorfilter", &usefilter),
+        RCV_BOOL("filterdmg", &filterdmg),
+        RCV_VECTOR("red", filter[0], 4),
+        RCV_VECTOR("green", filter[1], 4),
+        RCV_VECTOR("blue", filter[2], 4),
+        RCV_END
+    };
+
+static byte *vdest;
+
+#ifdef ALLOW_UNALIGNED_IO /* long long is ok since this is i386-only anyway? */
+#define MEMCPY8(d, s) ((*(long long *)(d)) = (*(long long *)(s)))
+#else
+#define MEMCPY8(d, s) memcpy((d), (s), 8)
+#endif
+
+
+
+
+#ifndef ASM_UPDATEPATPIX
+void updatepatpix(void)
+{
+        int i, j;
+#if CONFIG_CPU != SH7034 || defined(SIMULATOR)
+        int k, a, c;
+#endif
+        byte *vram = lcd.vbank[0];
+
+        if (!anydirty) return;
+        for (i = 0; i < 1024; i++)
+        {
+                if (i == 384) i = 512;
+                if (i == 896) break;
+                if (!patdirty[i]) continue;
+                patdirty[i] = 0;
+                for (j = 0; j < 8; j++)
+                {
+#if CONFIG_CPU == SH7034 && !defined(SIMULATOR)
+            asm volatile (
+                "mov.w   @%2,r1         \n"
+                "swap.b  r1,r2          \n"
+
+                "mov     #0,r0          \n"
+                "shlr    r1             \n"
+                "rotcl   r0             \n"
+                "shlr    r2             \n"
+                "rotcl   r0             \n"
+                "mov.b   r0,@%0         \n"
+                "mov.b   r0,@(7,%1)     \n"
+                "mov     #0,r0          \n"
+                "shlr    r1             \n"
+                "rotcl   r0             \n"
+                "shlr    r2             \n"
+                "rotcl   r0             \n"
+                "mov.b   r0,@(1,%0)     \n"
+                "mov.b   r0,@(6,%1)     \n"
+                "mov     #0,r0          \n"
+                "shlr    r1             \n"
+                "rotcl   r0             \n"
+                "shlr    r2             \n"
+                "rotcl   r0             \n"
+                "mov.b   r0,@(2,%0)     \n"
+                "mov.b   r0,@(5,%1)     \n"
+                "mov     #0,r0          \n"
+                "shlr    r1             \n"
+                "rotcl   r0             \n"
+                "shlr    r2             \n"
+                "rotcl   r0             \n"
+                "mov.b   r0,@(3,%0)     \n"
+                "mov.b   r0,@(4,%1)     \n"
+                "mov     #0,r0          \n"
+                "shlr    r1             \n"
+                "rotcl   r0             \n"
+                "shlr    r2             \n"
+                "rotcl   r0             \n"
+                "mov.b   r0,@(4,%0)     \n"
+                "mov.b   r0,@(3,%1)     \n"
+                "mov     #0,r0          \n"
+                "shlr    r1             \n"
+                "rotcl   r0             \n"
+                "shlr    r2             \n"
+                "rotcl   r0             \n"
+                "mov.b   r0,@(5,%0)     \n"
+                "mov.b   r0,@(2,%1)     \n"
+                "mov     #0,r0          \n"
+                "shlr    r1             \n"
+                "rotcl   r0             \n"
+                "shlr    r2             \n"
+                "rotcl   r0             \n"
+                "mov.b   r0,@(6,%0)     \n"
+                "mov.b   r0,@(1,%1)     \n"
+                "mov     #0,r0          \n"
+                "shlr    r1             \n"
+                "rotcl   r0             \n"
+                "shlr    r2             \n"
+                "rotcl   r0             \n"
+                "mov.b   r0,@(7,%0)     \n"
+                "mov.b   r0,@%1         \n"
+                : /* outputs */
+                : /* inputs */
+                /* %0 */ "r"(patpix[i+1024][j]),
+                /* %1 */ "r"(patpix[i][j]),
+                /* %2 */ "r"(&vram[(i<<4)|(j<<1)])
+                : /* clobbers */
+                "r0", "r1", "r2"
+            );
+#else
+                        a = ((i<<4) | (j<<1));
+                        for (k = 0; k < 8; k++)
+                        {
+                                c = vram[a] & (1<<k) ? 1 : 0;
+                                c |= vram[a+1] & (1<<k) ? 2 : 0;
+                                patpix[i+1024][j][k] = c;
+                        }
+                        for (k = 0; k < 8; k++)
+                                patpix[i][j][k] =
+                                        patpix[i+1024][j][7-k];
+#endif
+                }
+#if CONFIG_CPU == SH7034 && !defined(SIMULATOR)
+        asm volatile (
+            "mov.l   @%0,r0         \n"
+            "mov.l   @(4,%0),r1     \n"
+            "mov.l   r0,@(56,%1)    \n"
+            "mov.l   r1,@(60,%1)    \n"
+            "mov.l   @(8,%0),r0     \n"
+            "mov.l   @(12,%0),r1    \n"
+            "mov.l   r0,@(48,%1)    \n"
+            "mov.l   r1,@(52,%1)    \n"
+            "mov.l   @(16,%0),r0    \n"
+            "mov.l   @(20,%0),r1    \n"
+            "mov.l   r0,@(40,%1)    \n"
+            "mov.l   r1,@(44,%1)    \n"
+            "mov.l   @(24,%0),r0    \n"
+            "mov.l   @(28,%0),r1    \n"
+            "mov.l   r0,@(32,%1)    \n"
+            "mov.l   r1,@(36,%1)    \n"
+            "mov.l   @(32,%0),r0    \n"
+            "mov.l   @(36,%0),r1    \n"
+            "mov.l   r0,@(24,%1)    \n"
+            "mov.l   r1,@(28,%1)    \n"
+            "mov.l   @(40,%0),r0    \n"
+            "mov.l   @(44,%0),r1    \n"
+            "mov.l   r0,@(16,%1)    \n"
+            "mov.l   r1,@(20,%1)    \n"
+            "mov.l   @(48,%0),r0    \n"
+            "mov.l   @(52,%0),r1    \n"
+            "mov.l   r0,@(8,%1)     \n"
+            "mov.l   r1,@(12,%1)    \n"
+            "mov.l   @(56,%0),r0    \n"
+            "mov.l   @(60,%0),r1    \n"
+            "mov.l   r0,@%1         \n"
+            "mov.l   r1,@(4,%1)     \n"
+
+            "add     %2,%0          \n"
+            "add     %2,%1          \n"
+
+            "mov.l   @%0,r0         \n"
+            "mov.l   @(4,%0),r1     \n"
+            "mov.l   r0,@(56,%1)    \n"
+            "mov.l   r1,@(60,%1)    \n"
+            "mov.l   @(8,%0),r0     \n"
+            "mov.l   @(12,%0),r1    \n"
+            "mov.l   r0,@(48,%1)    \n"
+            "mov.l   r1,@(52,%1)    \n"
+            "mov.l   @(16,%0),r0    \n"
+            "mov.l   @(20,%0),r1    \n"
+            "mov.l   r0,@(40,%1)    \n"
+            "mov.l   r1,@(44,%1)    \n"
+            "mov.l   @(24,%0),r0    \n"
+            "mov.l   @(28,%0),r1    \n"
+            "mov.l   r0,@(32,%1)    \n"
+            "mov.l   r1,@(36,%1)    \n"
+            "mov.l   @(32,%0),r0    \n"
+            "mov.l   @(36,%0),r1    \n"
+            "mov.l   r0,@(24,%1)    \n"
+            "mov.l   r1,@(28,%1)    \n"
+            "mov.l   @(40,%0),r0    \n"
+            "mov.l   @(44,%0),r1    \n"
+            "mov.l   r0,@(16,%1)    \n"
+            "mov.l   r1,@(20,%1)    \n"
+            "mov.l   @(48,%0),r0    \n"
+            "mov.l   @(52,%0),r1    \n"
+            "mov.l   r0,@(8,%1)     \n"
+            "mov.l   r1,@(12,%1)    \n"
+            "mov.l   @(56,%0),r0    \n"
+            "mov.l   @(60,%0),r1    \n"
+            "mov.l   r0,@%1         \n"
+            "mov.l   r1,@(4,%1)     \n"
+            : /* outputs */
+            : /* inputs */
+            /* %0 */ "r"(patpix[i][0]),
+            /* %1 */ "r"(patpix[i+2048][0]),
+            /* %2 */ "r"(1024*64)
+            : /* clobbers */
+            "r0", "r1"
+        );
+#else
+                for (j = 0; j < 8; j++)
+                {
+                        for (k = 0; k < 8; k++)
+                        {
+                                patpix[i+2048][j][k] =
+                                        patpix[i][7-j][k];
+                                patpix[i+3072][j][k] =
+                                        patpix[i+1024][7-j][k];
+                        }
+                }
+#endif
+        }
+        anydirty = 0;
+}
+#endif /* ASM_UPDATEPATPIX */
+
+
+
+void tilebuf(void)
+{
+        int i, cnt;
+        int base;
+        byte *tilemap, *attrmap;
+        int *tilebuf;
+        int *wrap;
+        static int wraptable[64] =
+        {
+                0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+                0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,-32
+        };
+
+        base = ((R_LCDC&0x08)?0x1C00:0x1800) + (T<<5) + S;
+        tilemap = lcd.vbank[0] + base;
+        attrmap = lcd.vbank[1] + base;
+        tilebuf = BG;
+        wrap = wraptable + S;
+        cnt = ((WX + 7) >> 3) + 1;
+
+        if (hw.cgb) {
+                if (R_LCDC & 0x10)
+                        for (i = cnt; i > 0; i--)
+                        {
+                                *(tilebuf++) = *tilemap
+                                        | (((int)*attrmap & 0x08) << 6)
+                                        | (((int)*attrmap & 0x60) << 5);
+                                *(tilebuf++) = (((int)*attrmap & 0x07) << 2);
+                                attrmap += *wrap + 1;
+                                tilemap += *(wrap++) + 1;
+                        }
+                else
+                        for (i = cnt; i > 0; i--)
+                        {
+                                *(tilebuf++) = (256 + ((n8)*tilemap))
+                                        | (((int)*attrmap & 0x08) << 6)
+                                        | (((int)*attrmap & 0x60) << 5);
+                                *(tilebuf++) = (((int)*attrmap & 0x07) << 2);
+                                attrmap += *wrap + 1;
+                                tilemap += *(wrap++) + 1;
+                        }
+        }
+        else
+        {
+                if (R_LCDC & 0x10)
+                        for (i = cnt; i > 0; i--)
+                        {
+                                *(tilebuf++) = *(tilemap++);
+                                tilemap += *(wrap++);
+                        }
+                else
+                        for (i = cnt; i > 0; i--)
+                        {
+                                *(tilebuf++) = (256 + ((n8)*(tilemap++)));
+                                tilemap += *(wrap++);
+                        }
+        }
+
+        if (WX >= 160) return;
+
+        base = ((R_LCDC&0x40)?0x1C00:0x1800) + (WT<<5);
+        tilemap = lcd.vbank[0] + base;
+        attrmap = lcd.vbank[1] + base;
+        tilebuf = WND;
+        cnt = ((160 - WX) >> 3) + 1;
+
+        if (hw.cgb)
+        {
+                if (R_LCDC & 0x10)
+                        for (i = cnt; i > 0; i--)
+                        {
+                                *(tilebuf++) = *(tilemap++)
+                                        | (((int)*attrmap & 0x08) << 6)
+                                        | (((int)*attrmap & 0x60) << 5);
+                                *(tilebuf++) = (((int)*(attrmap++)&7) << 2);
+                        }
+                else
+                        for (i = cnt; i > 0; i--)
+                        {
+                                *(tilebuf++) = (256 + ((n8)*(tilemap++)))
+                                        | (((int)*attrmap & 0x08) << 6)
+                                        | (((int)*attrmap & 0x60) << 5);
+                                *(tilebuf++) = (((int)*(attrmap++)&7) << 2);
+                        }
+        }
+        else
+
+        {
+                if (R_LCDC & 0x10)
+                        for (i = cnt; i > 0; i--)
+                                *(tilebuf++) = *(tilemap++);
+                else
+                        for (i = cnt; i > 0; i--)
+                                *(tilebuf++) = (256 + ((n8)*(tilemap++)));
+        }
+}
+
+
+// V = vertical line
+// WX = WND start (if 0, no need to do anything) -> WY
+// U = start...something...thingy... 7 at most
+void bg_scan(void)
+{
+        int cnt;
+        byte *src, *dest;
+        int *tile;
+
+        if (WX <= 0) return;
+        cnt = WX;
+        tile = BG;
+        dest = BUF;
+
+        src = patpix[*(tile++)][V] + U;
+        memcpy(dest, src, 8-U);
+        dest += 8-U;
+        cnt -= 8-U;
+        if (cnt <= 0) return;
+        while (cnt >= 8)
+        {
+                src = patpix[*(tile++)][V];
+                MEMCPY8(dest, src);
+                dest += 8;
+                cnt -= 8;
+        }
+        src = patpix[*tile][V];
+        while (cnt--)
+                *(dest++) = *(src++);
+}
+
+void wnd_scan(void)
+{
+        int cnt;
+        byte *src, *dest;
+        int *tile;
+
+        if (WX >= 160) return;
+        cnt = 160 - WX;
+        tile = WND;
+        dest = BUF + WX;
+
+        while (cnt >= 8)
+        {
+                src = patpix[*(tile++)][WV];
+                MEMCPY8(dest, src);
+                dest += 8;
+                cnt -= 8;
+        }
+        src = patpix[*tile][WV];
+        while (cnt--)
+                *(dest++) = *(src++);
+}
+
+static void blendcpy(byte *dest, byte *src, byte b, int cnt)
+{
+        while (cnt--) *(dest++) = *(src++) | b;
+}
+
+static int priused(void *attr)
+{
+        un32 *a = attr;
+        return (int)((a[0]|a[1]|a[2]|a[3]|a[4]|a[5]|a[6]|a[7])&0x80808080);
+}
+
+void bg_scan_pri(void)
+{
+        int cnt, i;
+        byte *src, *dest;
+
+        if (WX <= 0) return;
+        i = S;
+        cnt = WX;
+        dest = PRI;
+        src = lcd.vbank[1] + ((R_LCDC&0x08)?0x1C00:0x1800) + (T<<5);
+
+        if (!priused(src))
+        {
+                memset(dest, 0, cnt);
+                return;
+        }
+
+        memset(dest, src[i++&31]&128, 8-U);
+        dest += 8-U;
+        cnt -= 8-U;
+        if (cnt <= 0) return;
+        while (cnt >= 8)
+        {
+                memset(dest, src[i++&31]&128, 8);
+                dest += 8;
+                cnt -= 8;
+        }
+        memset(dest, src[i&31]&128, cnt);
+}
+
+void wnd_scan_pri(void)
+{
+        int cnt, i;
+        byte *src, *dest;
+
+        if (WX >= 160) return;
+        i = 0;
+        cnt = 160 - WX;
+        dest = PRI + WX;
+        src = lcd.vbank[1] + ((R_LCDC&0x40)?0x1C00:0x1800) + (WT<<5);
+
+        if (!priused(src))
+        {
+                memset(dest, 0, cnt);
+                return;
+        }
+
+        while (cnt >= 8)
+        {
+                memset(dest, src[i++]&128, 8);
+                dest += 8;
+                cnt -= 8;
+        }
+        memset(dest, src[i]&128, cnt);
+}
+
+void bg_scan_color(void)
+{
+        int cnt;
+        byte *src, *dest;
+        int *tile;
+
+        if (WX <= 0) return;
+        cnt = WX;
+        tile = BG;
+        dest = BUF;
+
+        src = patpix[*(tile++)][V] + U;
+        blendcpy(dest, src, *(tile++), 8-U);
+        dest += 8-U;
+        cnt -= 8-U;
+        if (cnt <= 0) return;
+        while (cnt >= 8)
+        {
+                src = patpix[*(tile++)][V];
+                blendcpy(dest, src, *(tile++), 8);
+                dest += 8;
+                cnt -= 8;
+        }
+        src = patpix[*(tile++)][V];
+        blendcpy(dest, src, *(tile++), cnt);
+}
+
+// blend in window source WND target BUF
+// WX = starting X in buf where WND starts
+// WV = vertical line selected for this scanline
+// reverse:
+// WY = starting y in buf where WND starts ? 
+// W?? = horizontal line selected for this scanline
+void wnd_scan_color(void)
+{
+        int cnt;
+        byte *src, *dest;
+        int *tile;
+
+        if (WX >= 160) return;
+        cnt = 160 - WX;
+        tile = WND;
+        dest = BUF + WX;
+
+        while (cnt >= 8)
+        {
+                src = patpix[*(tile++)][WV];
+                blendcpy(dest, src, *(tile++), 8);
+                dest += 8;
+                cnt -= 8;
+        }
+        src = patpix[*(tile++)][WV];
+        blendcpy(dest, src, *(tile++), cnt);
+}
+
+static void recolor(byte *buf, byte fill, int cnt)
+{
+        while (cnt--) *(buf++) |= fill;
+}
+
+void spr_count(void)
+{
+        int i;
+        struct obj *o;
+
+        NS = 0;
+        if (!(R_LCDC & 0x02)) return;
+
+        o = lcd.oam.obj;
+
+        for (i = 40; i; i--, o++)
+        {
+                if (L >= o->y || L + 16 < o->y)
+                        continue;
+                if (L + 8 >= o->y && !(R_LCDC & 0x04))
+                        continue;
+                if (++NS == 10) break;
+        }
+}
+
+void spr_enum(void)
+{
+        int i, j;
+        struct obj *o;
+        struct vissprite ts[10];
+        int v, pat;
+        int l, x;
+
+        NS = 0;
+        if (!(R_LCDC & 0x02)) return;
+
+        o = lcd.oam.obj;
+
+        for (i = 40; i; i--, o++)
+        {
+                if (L >= o->y || L + 16 < o->y)
+                        continue;
+                if (L + 8 >= o->y && !(R_LCDC & 0x04))
+                        continue;
+                VS[NS].x = (int)o->x - 8;
+                v = L - (int)o->y + 16;
+                if (hw.cgb)
+                {
+                        pat = o->pat | (((int)o->flags & 0x60) << 5)
+                                | (((int)o->flags & 0x08) << 6);
+                        VS[NS].pal = 32 + ((o->flags & 0x07) << 2);
+                }
+                else
+                {
+                        pat = o->pat | (((int)o->flags & 0x60) << 5);
+                        VS[NS].pal = 32 + ((o->flags & 0x10) >> 2);
+                }
+                VS[NS].pri = (o->flags & 0x80) >> 7;
+                if ((R_LCDC & 0x04))
+                {
+                        pat &= ~1;
+                        if (v >= 8)
+                        {
+                                v -= 8;
+                                pat++;
+                        }
+                        if (o->flags & 0x40) pat ^= 1;
+                }
+                VS[NS].buf = patpix[pat][v];
+                if (++NS == 10) break;
+        }
+        if (!sprsort||hw.cgb) return;
+        /* not quite optimal but it finally works! */
+        for (i = 0; i < NS; i++)
+        {
+                l = 0;
+                x = VS[0].x;
+                for (j = 1; j < NS; j++)
+                {
+                        if (VS[j].x < x)
+                        {
+                                l = j;
+                                x = VS[j].x;
+                        }
+                }
+                ts[i] = VS[l];
+                VS[l].x = 160;
+        }
+        memcpy(VS, ts, sizeof VS);
+}
+
+void spr_scan(void)
+{
+        int i, x;
+        byte pal, b, ns = NS;
+        byte *src, *dest, *bg, *pri;
+        struct vissprite *vs;
+        static byte bgdup[256];
+
+        if (!ns) return;
+
+        memcpy(bgdup, BUF, 256);
+        vs = &VS[ns-1];
+
+        for (; ns; ns--, vs--)
+        {
+                x = vs->x;
+                if (x >= 160) continue;
+                if (x <= -8) continue;
+                if (x < 0)
+                {
+                        src = vs->buf - x;
+                        dest = BUF;
+                        i = 8 + x;
+                }
+                else
+                {
+                        src = vs->buf;
+                        dest = BUF + x;
+                        if (x > 152) i = 160 - x;
+                        else i = 8;
+                }
+                pal = vs->pal;
+                if (vs->pri)
+                {
+                        bg = bgdup + (dest - BUF);
+                        while (i--)
+                        {
+                                b = src[i];
+                                if (b && !(bg[i]&3)) dest[i] = pal|b;
+                        }
+                }
+                else if (hw.cgb)
+                {
+                        bg = bgdup + (dest - BUF);
+                        pri = PRI + (dest - BUF);
+                        while (i--)
+                        {
+                                b = src[i];
+                                if (b && (!pri[i] || !(bg[i]&3)))
+                                        dest[i] = pal|b;
+                        }
+                }
+                else while (i--) if (src[i]) dest[i] = pal|src[i];
+                /* else while (i--) if (src[i]) dest[i] = 31 + ns; */
+        }
+//      if (sprdebug) for (i = 0; i < NS; i++) BUF[i<<1] = 36;
+}
+
+
+
+
+
+
+void lcd_begin(void)
+{
+/*      if (fb.indexed)
+        {
+                if (rgb332) pal_set332();
+                else pal_expire();
+        }
+        while (scale * 160 > fb.w || scale * 144 > fb.h) scale--; */
+        vdest = fb.ptr + ((fb.w*fb.pelsize)>>1)
+                - (80*fb.pelsize)
+                + ((fb.h>>1) - 72) * fb.pitch;
+        WY = R_WY;
+}
+
+void lcd_refreshline(void)
+{
+        if (!fb.enabled) return;
+
+        if (!(R_LCDC & 0x80))
+                return; /* should not happen... */
+
+#if LCD_HEIGHT == 64
+        if (R_LY >= 128 || R_LY & 1) /* calculate only even lines */
+#else
+        if (R_LY >= 128)
+#endif
+                return;
+
+        updatepatpix();
+
+    L = R_LY;
+#if LCD_HEIGHT == 64
+    scanline_ind = (L/2) % 8;
+#else
+    scanline_ind = L % 8;
+#endif
+    X = R_SCX;
+    Y = (R_SCY + L) & 0xff;
+    S = X >> 3;
+    T = Y >> 3;
+    U = X & 7;
+    V = Y & 7;
+
+    WX = R_WX - 7;
+    if (WY>L || WY<0 || WY>143 || WX<-7 || WX>159 || !(R_LCDC&0x20))
+        WX = 160;
+    WT = (L - WY) >> 3;
+    WV = (L - WY) & 7;
+
+    spr_enum();
+
+    tilebuf();
+    if (hw.cgb)
+    {
+        bg_scan_color();
+        wnd_scan_color();
+        if (NS)
+        {
+            bg_scan_pri();
+            wnd_scan_pri();
+        }
+    }
+    else
+    {
+
+        bg_scan();
+        wnd_scan();
+        recolor(BUF+WX, 0x04, 160-WX);
+    }
+    spr_scan();
+/*
+    if (fb.dirty) memset(fb.ptr, 0, fb.pitch * fb.h);
+    fb.dirty = 0;
+    if (density > scale) density = scale;
+    if (scale == 1) density = 1;
+    dest = vdest;
+*/
+    if (scanline_ind == 7)
+        vid_update(L);
+  //  vdest += fb.pitch * scale;
+}
+
+
+
+
+
+
+/*
+static void updatepalette(int i)
+{
+    int c, r, g, b, y, u, v, rr, gg;
+
+    c = (lcd.pal[i<<1] | ((int)lcd.pal[(i<<1)|1] << 8)) & 0x7FFF;
+    r = (c & 0x001F) << 3;
+    g = (c & 0x03E0) >> 2;
+    b = (c & 0x7C00) >> 7;
+    r |= (r >> 5);
+    g |= (g >> 5);
+    b |= (b >> 5);
+
+    if (usefilter && (filterdmg||hw.cgb))
+    {
+        rr = ((r * filter[0][0] + g * filter[0][1] + b * filter[0][2]) >> 8) + filter[0][3];
+        gg = ((r * filter[1][0] + g * filter[1][1] + b * filter[1][2]) >> 8) + filter[1][3];
+        b = ((r * filter[2][0] + g * filter[2][1] + b * filter[2][2]) >> 8) + filter[2][3];
+        r = rr;
+        g = gg;
+    }
+
+    if (fb.yuv)
+    {
+        y = (((r *  263) + (g * 516) + (b * 100)) >> 10) + 16;
+        u = (((r *  450) - (g * 377) - (b *  73)) >> 10) + 128;
+        v = (((r * -152) - (g * 298) + (b * 450)) >> 10) + 128;
+        if (y < 0) y = 0; if (y > 255) y = 255;
+        if (u < 0) u = 0; if (u > 255) u = 255;
+        if (v < 0) v = 0; if (v > 255) v = 255;
+        PAL4[i] = (y<<fb.cc[0].l) | (y<<fb.cc[3].l)
+                  | (u<<fb.cc[1].l) | (v<<fb.cc[2].l);
+        return;
+    }
+
+    if (fb.indexed)
+    {
+        pal_release(PAL1[i]);
+        c = pal_getcolor(c, r, g, b);
+        PAL1[i] = c;
+        PAL2[i] = (c<<8) | c;
+        PAL4[i] = (c<<24) | (c<<16) | (c<<8) | c;
+        return;
+    }
+
+    r = (r >> fb.cc[0].r) << fb.cc[0].l;
+    g = (g >> fb.cc[1].r) << fb.cc[1].l;
+    b = (b >> fb.cc[2].r) << fb.cc[2].l;
+    c = r|g|b;
+
+    switch (fb.pelsize)
+    {
+    case 1:
+        PAL1[i] = c;
+        PAL2[i] = (c<<8) | c;
+        PAL4[i] = (c<<24) | (c<<16) | (c<<8) | c;
+        break;
+    case 2:
+        PAL2[i] = c;
+        PAL4[i] = (c<<16) | c;
+        break;
+    case 3:
+    case 4:
+        PAL4[i] = c;
+        break;
+    }
+}*/
+
+void pal_write(int i, byte b)
+{
+    if (lcd.pal[i] == b) return;
+    lcd.pal[i] = b;
+//    updatepalette(i>>1);
+}
+
+void pal_write_dmg(int i, int mapnum, byte d)
+{
+    int j;
+    int *cmap = dmg_pal[mapnum];
+    int c, r, g, b;
+
+    if (hw.cgb) return;
+
+    /* if (mapnum >= 2) d = 0xe4; */
+    for (j = 0; j < 8; j += 2)
+    {
+        c = cmap[(d >> j) & 3];
+        r = (c & 0xf8) >> 3;
+        g = (c & 0xf800) >> 6;
+        b = (c & 0xf80000) >> 9;
+        c = r|g|b;
+        /* FIXME - handle directly without faking cgb */
+        pal_write(i+j, c & 0xff);
+        pal_write(i+j+1, c >> 8);
+    }
+}
+
+void vram_write(int a, byte b)
+{
+    lcd.vbank[R_VBK&1][a] = b;
+    if (a >= 0x1800) return;
+    patdirty[((R_VBK&1)<<9)+(a>>4)] = 1;
+    anydirty = 1;
+}
+
+void vram_dirty(void)
+{
+    anydirty = 1;
+    memset(patdirty, 1, sizeof patdirty);
+}
+
+void pal_dirty(void)
+{
+//    int i;
+    if (!hw.cgb)
+    {
+
+        pal_write_dmg(0, 0, R_BGP);
+        pal_write_dmg(8, 1, R_BGP);
+        pal_write_dmg(64, 2, R_OBP0);
+        pal_write_dmg(72, 3, R_OBP1);
+    }
+//    for (i = 0; i < 64; i++)
+//        updatepalette(i);
+}
+
+void lcd_reset(void)
+{
+    memset(&lcd, 0, sizeof lcd);
+    lcd_begin();
+    vram_dirty();
+    pal_dirty();
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/lcd.h b/apps/plugins/rockboy/lcd.h
new file mode 100644
index 0000000000..9442b56cf0
--- /dev/null
+++ b/apps/plugins/rockboy/lcd.h
@@ -0,0 +1,74 @@
+
+
+#ifndef __LCD_H__
+#define __LCD_H__
+
+#include "defs.h"
+
+struct vissprite
+{
+        byte *buf;
+        int x;
+        byte pal, pri, pad[6];
+};
+
+struct scan
+{
+        int bg[64];
+        int wnd[64];
+        byte buf[8][256];
+        byte pal1[128];
+        un16 pal2[64];
+        un32 pal4[64];
+        byte pri[256];
+        struct vissprite vs[16];
+        int ns, l, x, y, s, t, u, v, wx, wy, wt, wv;
+};
+
+struct obj
+{
+        byte y;
+        byte x;
+        byte pat;
+        byte flags;
+};
+
+struct lcd
+{
+        byte vbank[2][8192];
+        union
+        {
+                byte mem[256];
+                struct obj obj[40];
+        } oam;
+        byte pal[128];
+};
+
+extern struct lcd lcd;
+extern struct scan scan;
+
+
+
+
+
+#endif
+
+
+
+void updatepatpix(void);
+void tilebuf(void);
+void bg_scan(void);
+void wnd_scan(void);
+void bg_scan_pri(void);
+void wnd_scan_pri(void);
+void spr_count(void);
+void spr_enum(void);
+void spr_scan(void);
+void lcd_begin(void);
+void lcd_refreshline(void);
+void pal_write(int i, byte b);
+void pal_write_dmg(int i, int mapnum, byte d);
+void vram_write(int a, byte b);
+void vram_dirty(void);
+void pal_dirty(void);
+void lcd_reset(void);
diff --git a/apps/plugins/rockboy/lcdc.c b/apps/plugins/rockboy/lcdc.c
new file mode 100644
index 0000000000..c82b828354
--- /dev/null
+++ b/apps/plugins/rockboy/lcdc.c
@@ -0,0 +1,180 @@
+
+
+#include "rockmacros.h"
+
+#include "defs.h"
+#include "hw.h"
+#include "cpu.h"
+#include "regs.h"
+#include "lcd.h"
+
+
+#define C (cpu.lcdc)
+
+
+/*
+ * stat_trigger updates the STAT interrupt line to reflect whether any
+ * of the conditions set to be tested (by bits 3-6 of R_STAT) are met.
+ * This function should be called whenever any of the following occur:
+ * 1) LY or LYC changes.
+ * 2) A state transition affects the low 2 bits of R_STAT (see below).
+ * 3) The program writes to the upper bits of R_STAT.
+ * stat_trigger also updates bit 2 of R_STAT to reflect whether LY=LYC.
+ */
+
+void stat_trigger(void)
+{
+        static const int condbits[4] = { 0x08, 0x30, 0x20, 0x00 };
+        int flag = 0;
+
+        if ((R_LY < 0x91) && (R_LY == R_LYC))
+        {
+                R_STAT |= 0x04;
+                if (R_STAT & 0x40) flag = IF_STAT;
+        }
+        else R_STAT &= ~0x04;
+
+        if (R_STAT & condbits[R_STAT&3]) flag = IF_STAT;
+
+        if (!(R_LCDC & 0x80)) flag = 0;
+        
+        hw_interrupt(flag, IF_STAT);
+}
+
+void stat_write(byte b)
+{
+        R_STAT = (R_STAT & 0x07) | (b & 0x78);
+        if (!hw.cgb &&!(R_STAT & 2)) /* DMG STAT write bug => interrupt */
+                hw_interrupt(IF_STAT, IF_STAT);
+        stat_trigger();
+}
+
+
+/*
+ * stat_change is called when a transition results in a change to the
+ * LCD STAT condition (the low 2 bits of R_STAT).  It raises or lowers
+ * the VBLANK interrupt line appropriately and calls stat_trigger to
+ * update the STAT interrupt line.
+ */
+
+static void stat_change(int stat)
+{
+        stat &= 3;
+        R_STAT = (R_STAT & 0x7C) | stat;
+
+        if (stat != 1) hw_interrupt(0, IF_VBLANK);
+        /* hw_interrupt((stat == 1) ? IF_VBLANK : 0, IF_VBLANK); */
+        stat_trigger();
+}
+
+
+void lcdc_change(byte b)
+{
+        byte old = R_LCDC;
+        R_LCDC = b;
+        if ((R_LCDC ^ old) & 0x80) /* lcd on/off change */
+        {
+                R_LY = 0;
+                stat_change(2);
+                C = 40;
+                lcd_begin();
+        }
+}
+
+
+void lcdc_trans(void)
+{
+        if (!(R_LCDC & 0x80))
+        {
+                while (C <= 0)
+                {
+                        switch ((byte)(R_STAT & 3))
+                        {
+                        case 0:
+                        case 1:
+                                stat_change(2);
+                                C += 40;
+                                break;
+                        case 2:
+                                stat_change(3);
+                                C += 86;
+                                break;
+                        case 3:
+                                stat_change(0);
+                                if (hw.hdma & 0x80)
+                                        hw_hdma();
+                                else
+                                        C += 102;
+                                break;
+                        }
+                        return;
+                }
+        }
+        while (C <= 0)
+        {
+                switch ((byte)(R_STAT & 3))
+                {
+                case 1:
+                        if (!(hw.ilines & IF_VBLANK))
+                        {
+                                C += 218;
+                                hw_interrupt(IF_VBLANK, IF_VBLANK);
+                                break;
+                        }
+                        if (R_LY == 0)
+                        {
+                                lcd_begin();
+                                stat_change(2);
+                                C += 40;
+                                break;
+                        }
+                        else if (R_LY < 152)
+                                C += 228;
+                        else if (R_LY == 152)
+                                C += 28;
+                        else
+                        {
+                                R_LY = -1;
+                                C += 200;
+                        }
+                        R_LY++;
+                        stat_trigger();
+                        break;
+                case 2:
+                        lcd_refreshline();
+                        stat_change(3);
+                        C += 86;
+                        break;
+                case 3:
+                        stat_change(0);
+                        if (hw.hdma & 0x80)
+                                hw_hdma();
+                        /* FIXME -- how much of the hblank does hdma use?? */
+                        /* else */
+                        C += 102;
+                        break;
+                case 0:
+                        if (++R_LY >= 144)
+                        {
+                                if (cpu.halt)
+                                {
+                                        hw_interrupt(IF_VBLANK, IF_VBLANK);
+                                        C += 228;
+                                }
+                                else C += 10;
+                                stat_change(1);
+                                break;
+                        }
+                        stat_change(2);
+                        C += 40;
+                        break;
+                }
+        }
+}
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/lcdc.h b/apps/plugins/rockboy/lcdc.h
new file mode 100644
index 0000000000..c5edc6c065
--- /dev/null
+++ b/apps/plugins/rockboy/lcdc.h
@@ -0,0 +1,4 @@
+void stat_trigger(void);
+void stat_write(byte b);
+void lcdc_change(byte b);
+void lcdc_trans(void);
diff --git a/apps/plugins/rockboy/loader.c b/apps/plugins/rockboy/loader.c
new file mode 100644
index 0000000000..ad7c309bd8
--- /dev/null
+++ b/apps/plugins/rockboy/loader.c
@@ -0,0 +1,383 @@
+
+#include <stdio.h>
+#include <string.h>
+
+
+#include "rockmacros.h"
+#include "defs.h"
+#include "regs.h"
+#include "mem.h"
+#include "hw.h"
+#include "rtc.h"
+#include "rc.h"
+#include "save.h"
+#include "sound.h"
+
+
+static int mbc_table[256] =
+{
+        0, 1, 1, 1, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 3,
+        3, 3, 3, 3, 0, 0, 0, 0, 0, 5, 5, 5, MBC_RUMBLE, MBC_RUMBLE, MBC_RUMBLE, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, MBC_HUC3, MBC_HUC1
+};
+
+static int rtc_table[256] =
+{
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
+        1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0
+};
+
+static int batt_table[256] =
+{
+        0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0,
+        1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0,
+        0
+};
+
+static int romsize_table[256] =
+{
+        2, 4, 8, 16, 32, 64, 128, 256, 512,
+        0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 128, 128, 128
+        /* 0, 0, 72, 80, 96  -- actual values but bad to use these! */
+};
+
+static int ramsize_table[256] =
+{
+        1, 1, 1, 4, 16,
+        4 /* FIXME - what value should this be?! */
+};
+
+
+static char *romfile;
+static char sramfile[500];
+static char rtcfile[500];
+static char saveprefix[500];
+
+static char *savename;
+static char *savedir = "/.rockbox/rockboy";
+
+static int saveslot;
+
+static int forcebatt, nobatt;
+static int forcedmg;
+
+static int memfill = -1, memrand = -1;
+
+//static byte romMemory[4*1025*1024];
+int mp3_buffer_size;
+void *bufferpos;
+
+static void initmem(void *mem, int size)
+{
+        char *p = mem;
+        if (memrand >= 0)
+        {
+                srand(memrand ? memrand : -6 ); //time(0));
+                while(size--) *(p++) = rand();
+        }
+        else if (memfill >= 0)
+                memset(p, memfill, size);
+}
+
+static byte *loadfile(int fd, int *len)
+{
+        int c, l = 0, p = 0;
+        
+        byte *d, buf[512];
+        d=malloc(32768);
+        for(;;)
+        {
+                c = read(fd, buf, sizeof buf);
+                if (c <= 0) break;
+                l += c;
+                memcpy(d+p, buf, c);
+                p += c;
+        }
+        setmallocpos(d+p+64);
+        *len = l;
+        return d;
+}
+
+//static byte sram[65536];
+
+int rom_load(void)
+{
+        int fd;
+        byte c, *data, *header;
+        int len = 0, rlen;
+
+        fd = open(romfile, O_RDONLY);
+        
+        if (fd<0) {
+          die("cannot open rom file");
+          die(romfile);
+          return 1;
+        }
+
+        data = loadfile(fd, &len);
+        header = data; // no zip. = decompress(data, &len);
+        
+        memcpy(rom.name, header+0x0134, 16);
+        if (rom.name[14] & 0x80) rom.name[14] = 0;
+        if (rom.name[15] & 0x80) rom.name[15] = 0;
+        rom.name[16] = 0;
+
+        c = header[0x0147];
+        mbc.type = mbc_table[c];
+        mbc.batt = (batt_table[c] && !nobatt) || forcebatt;
+//      mbc.batt = 1; // always store savegame mem.
+        rtc.batt = rtc_table[c];
+        mbc.romsize = romsize_table[header[0x0148]];
+        mbc.ramsize = ramsize_table[header[0x0149]];
+
+        if (!mbc.romsize)  { 
+                die("unknown ROM size %02X\n", header[0x0148]);
+                return 1;
+        }
+        if (!mbc.ramsize) { 
+                die("unknown SRAM size %02X\n", header[0x0149]);
+                return 1;
+        }
+
+        rlen = 16384 * mbc.romsize;
+        rom.bank = (void *) data; //realloc(data, rlen);
+        if (rlen > len) memset(rom.bank[0]+len, 0xff, rlen - len);
+
+        ram.sbank = malloc(8192 * mbc.ramsize);
+        //ram.ibank = malloc(4096*8);
+
+        initmem(ram.sbank, 8192 * mbc.ramsize);
+        initmem(ram.ibank, 4096 * 8);
+
+        mbc.rombank = 1;
+        mbc.rambank = 0;
+
+        c = header[0x0143];
+        hw.cgb = ((c == 0x80) || (c == 0xc0)) && !forcedmg;
+        hw.gba = 0; //(hw.cgb && gbamode);
+                
+        close(fd);
+
+        return 0;
+}
+
+int sram_load(void)
+{
+        int fd;
+        char meow[500];
+
+        if (!mbc.batt || !sramfile || !*sramfile) return -1;
+
+        /* Consider sram loaded at this point, even if file doesn't exist */
+        ram.loaded = 1;
+
+        fd = open(sramfile, O_RDONLY);
+        snprintf(meow,499,"Opening %s %d",sramfile,fd);
+        rb->splash(HZ*2, true, meow);           
+        if (fd<0) return -1;
+        snprintf(meow,499,"Loading savedata from %s",sramfile);
+        rb->splash(HZ*2, true, meow);   
+        read(fd,ram.sbank, 8192*mbc.ramsize);
+        close(fd);
+        
+        return 0;
+}
+
+
+int sram_save(void)
+{
+        int fd;
+        char meow[500];
+
+        /* If we crash before we ever loaded sram, DO NOT SAVE! */
+        if (!mbc.batt || !sramfile || !ram.loaded || !mbc.ramsize)
+                return -1;
+        fd = open(sramfile, O_WRONLY|O_CREAT);
+//      snprintf(meow,499,"Opening %s %d",sramfile,fd);
+//      rb->splash(HZ*2, true, meow);
+        if (fd<0) return -1;
+        snprintf(meow,499,"Saving savedata to %s",sramfile);
+        rb->splash(HZ*2, true, meow);
+        write(fd,ram.sbank, 8192*mbc.ramsize);
+        close(fd);
+        
+        return 0;
+}
+
+
+void state_save(int n)
+{
+        int fd;
+        char name[500];
+
+        if (n < 0) n = saveslot;
+        if (n < 0) n = 0;
+        snprintf(name, 499,"%s.%03d", saveprefix, n);
+
+        if ((fd = open(name, O_WRONLY|O_CREAT)>=0))
+        {
+                savestate(fd);
+                close(fd);
+        }
+}
+
+
+void state_load(int n)
+{
+        int fd;
+        char name[500];
+
+        if (n < 0) n = saveslot;
+        if (n < 0) n = 0;
+        snprintf(name, 499, "%s.%03d", saveprefix, n);
+
+        if ((fd = open(name, O_RDONLY)>=0))
+        {
+                loadstate(fd);
+                close(fd);
+                vram_dirty();
+                pal_dirty();
+                sound_dirty();
+                mem_updatemap();
+        }
+}
+
+void rtc_save(void)
+{
+        int fd;
+        if (!rtc.batt) return;
+        if ((fd = open(rtcfile, O_WRONLY|O_CREAT))<0) return;
+        rtc_save_internal(fd);
+        close(fd);
+}
+
+void rtc_load(void)
+{
+        int fd;
+        if (!rtc.batt) return;
+        if ((fd = open(rtcfile, O_RDONLY))<0) return;
+        rtc_load_internal(fd);
+        close(fd);
+}
+
+
+void loader_unload(void)
+{
+        sram_save();
+//      if (romfile) free(romfile);
+//      if (sramfile) free(sramfile);
+//      if (saveprefix) free(saveprefix);
+//      if (rom.bank) free(rom.bank);
+//      if (ram.sbank) free(ram.sbank);
+        romfile =   0;
+        rom.bank = 0;
+        ram.sbank = 0;
+        mbc.type = mbc.romsize = mbc.ramsize = mbc.batt = 0;
+}
+
+/*
+static char *base(char *s)
+{
+        char *p;
+        p = strrchr(s, '/');
+        if (p) return p+1;
+        return s;
+}
+
+
+static char *ldup(char *s)
+{
+        int i;
+        char *n, *p;
+        p = n = malloc(strlen(s));
+        for (i = 0; s[i]; i++) if (isalnum(s[i])) *(p++) = tolower(s[i]);
+        *p = 0;
+        return n;
+}*/
+
+void cleanup(void)
+{
+        sram_save();
+        rtc_save();
+        // IDEA - if error, write emergency savestate..? 
+}
+
+void loader_init(char *s)
+{
+        char *name;
+        DIR* dir;
+
+//      sys_checkdir(savedir, 1); /* needs to be writable */
+        dir=opendir(savedir);
+        if(!dir)
+          mkdir(savedir,0);
+        else
+          closedir(dir);
+
+        romfile = s;
+        if(rom_load())
+                return;
+        vid_settitle(rom.name);
+        name = rom.name;
+        
+        snprintf(saveprefix, 499, "%s/%s", savedir, name);
+
+        strcpy(sramfile, saveprefix);
+        strcat(sramfile, ".sav");
+
+        strcpy(rtcfile, saveprefix);
+        strcat(rtcfile, ".rtc");
+        
+        sram_load();
+        rtc_load();
+
+        //atexit(cleanup);
+}
+
+rcvar_t loader_exports[] =
+{
+        RCV_STRING("savedir", &savedir),
+        RCV_STRING("savename", &savename),
+        RCV_INT("saveslot", &saveslot),
+        RCV_BOOL("forcebatt", &forcebatt),
+        RCV_BOOL("nobatt", &nobatt),
+        RCV_BOOL("forcedmg", &forcedmg),
+        RCV_INT("memfill", &memfill),
+        RCV_INT("memrand", &memrand),
+        RCV_END
+};
+
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/loader.h b/apps/plugins/rockboy/loader.h
new file mode 100644
index 0000000000..45ee5e705d
--- /dev/null
+++ b/apps/plugins/rockboy/loader.h
@@ -0,0 +1,28 @@
+
+
+#ifndef __LOADER_H__
+#define __LOADER_H__
+
+
+typedef struct loader_s
+{
+        char *rom;
+        char *base;
+        char *sram;
+        char *state;
+        int ramloaded;
+} loader_t;
+
+
+extern loader_t loader;
+
+
+int rom_load(void);
+int sram_load(void);
+int sram_save(void);
+void loader_init(char *s);
+void cleanup(void);
+
+#endif
+
+
diff --git a/apps/plugins/rockboy/main.c b/apps/plugins/rockboy/main.c
new file mode 100644
index 0000000000..ea5d628f04
--- /dev/null
+++ b/apps/plugins/rockboy/main.c
@@ -0,0 +1,83 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "rockmacros.h"
+#include "input.h"
+#include "rc.h"
+#include "exports.h"
+#include "emu.h"
+#include "loader.h"
+#include "hw.h"
+
+//#include "Version"
+
+
+static char *defaultconfig[] =
+{
+        "bind up +up",
+        "bind down +down",
+        "bind left +left",
+        "bind right +right",
+        "bind joy0 +b",
+        "bind joy1 +a",
+        "bind joy2 +select",
+        "bind joy3 +start",
+        "bind ins savestate",
+        "bind del loadstate",
+        NULL
+};
+
+
+void doevents()
+{
+        event_t ev;
+        int st;
+
+        ev_poll();
+        while (ev_getevent(&ev))
+        {
+                if (ev.type != EV_PRESS && ev.type != EV_RELEASE)
+                        continue;
+                st = (ev.type != EV_RELEASE);
+                pad_set(ev.code, st);
+        }
+}
+
+
+
+int gnuboy_main(char *rom)
+{
+        int i;
+
+        // Avoid initializing video if we don't have to 
+        // If we have special perms, drop them ASAP! 
+        rb->splash(HZ*1, true, "Init exports");
+        init_exports();
+
+        rb->splash(HZ*1, true, "Loading default config");
+        for (i = 0; defaultconfig[i]; i++)
+                rc_command(defaultconfig[i]);
+
+//      sprintf(cmd, "source %s", rom);
+//      s = strchr(cmd, '.');
+//      if (s) *s = 0;
+//      strcat(cmd, ".rc");
+//      rc_command(cmd);
+
+        // FIXME - make interface modules responsible for atexit() 
+        rb->splash(HZ*1, true, "Init video");
+        vid_init();
+        rb->splash(HZ*1, true, "Init sound (nosound)");
+        pcm_init();
+        rb->splash(HZ*1, true, "Loading rom");
+        loader_init(rom);
+        if(shut)
+                return PLUGIN_ERROR;
+        rb->splash(HZ*1, true, "Emu reset");
+        emu_reset();
+        rb->splash(HZ*1, true, "Emu run");
+        emu_run();
+
+        // never reached 
+        return PLUGIN_OK;
+}
diff --git a/apps/plugins/rockboy/mem.c b/apps/plugins/rockboy/mem.c
new file mode 100644
index 0000000000..2e1e0e7154
--- /dev/null
+++ b/apps/plugins/rockboy/mem.c
@@ -0,0 +1,578 @@
+
+
+#include "rockmacros.h"
+
+#include "defs.h"
+#include "hw.h"
+#include "regs.h"
+#include "mem.h"
+#include "rtc.h"
+#include "lcd.h"
+#include "lcdc.h"
+#include "sound.h"
+
+struct mbc mbc;
+struct rom rom;
+struct ram ram;
+
+
+/*
+ * In order to make reads and writes efficient, we keep tables
+ * (indexed by the high nibble of the address) specifying which
+ * regions can be read/written without a function call. For such
+ * ranges, the pointer in the map table points to the base of the
+ * region in host system memory. For ranges that require special
+ * processing, the pointer is NULL.
+ *
+ * mem_updatemap is called whenever bank changes or other operations
+ * make the old maps potentially invalid.
+ */
+
+void mem_updatemap()
+{
+    int n;
+    byte **map;
+
+    map = mbc.rmap;
+    map[0x0] = rom.bank[0];
+    map[0x1] = rom.bank[0];
+    map[0x2] = rom.bank[0];
+    map[0x3] = rom.bank[0];
+    if (mbc.rombank < mbc.romsize)
+    {
+        map[0x4] = rom.bank[mbc.rombank] - 0x4000;
+        map[0x5] = rom.bank[mbc.rombank] - 0x4000;
+        map[0x6] = rom.bank[mbc.rombank] - 0x4000;
+        map[0x7] = rom.bank[mbc.rombank] - 0x4000;
+    }
+    else map[0x4] = map[0x5] = map[0x6] = map[0x7] = NULL;
+    if (0 && (R_STAT & 0x03) == 0x03)
+    {
+        map[0x8] = NULL;
+        map[0x9] = NULL;
+    }
+    else
+    {
+        map[0x8] = lcd.vbank[R_VBK & 1] - 0x8000;
+        map[0x9] = lcd.vbank[R_VBK & 1] - 0x8000;
+    }
+    if (mbc.enableram && !(rtc.sel&8))
+    {
+        map[0xA] = ram.sbank[mbc.rambank] - 0xA000;
+        map[0xB] = ram.sbank[mbc.rambank] - 0xA000;
+    }
+    else map[0xA] = map[0xB] = NULL;
+    map[0xC] = ram.ibank[0] - 0xC000;
+    n = R_SVBK & 0x07;
+    map[0xD] = ram.ibank[n?n:1] - 0xD000;
+    map[0xE] = ram.ibank[0] - 0xE000;
+    map[0xF] = NULL;
+
+    map = mbc.wmap;
+    map[0x0] = map[0x1] = map[0x2] = map[0x3] = NULL;
+    map[0x4] = map[0x5] = map[0x6] = map[0x7] = NULL;
+    map[0x8] = map[0x9] = NULL;
+    if (mbc.enableram && !(rtc.sel&8))
+    {
+        map[0xA] = ram.sbank[mbc.rambank] - 0xA000;
+        map[0xB] = ram.sbank[mbc.rambank] - 0xA000;
+    }
+    else map[0xA] = map[0xB] = NULL;
+    map[0xC] = ram.ibank[0] - 0xC000;
+    n = R_SVBK & 0x07;
+    map[0xD] = ram.ibank[n?n:1] - 0xD000;
+    map[0xE] = ram.ibank[0] - 0xE000;
+    map[0xF] = NULL;
+}
+
+
+/*
+ * ioreg_write handles output to io registers in the FF00-FF7F,FFFF
+ * range. It takes the register number (low byte of the address) and a
+ * byte value to be written.
+ */
+
+void ioreg_write(byte r, byte b)
+{
+    if (!hw.cgb)
+    {
+
+        switch (r)
+        {
+        case RI_VBK:
+        case RI_BCPS:
+        case RI_OCPS:
+        case RI_BCPD:
+        case RI_OCPD:
+        case RI_SVBK:
+        case RI_KEY1:
+        case RI_HDMA1:
+        case RI_HDMA2:
+        case RI_HDMA3:
+        case RI_HDMA4:
+        case RI_HDMA5:
+            return;
+        }
+    }
+    switch(r)
+    {
+    case RI_TIMA:
+    case RI_TMA:
+    case RI_TAC:
+    case RI_SCY:
+    case RI_SCX:
+    case RI_WY:
+    case RI_WX:
+        REG(r) = b;
+        break;
+    case RI_BGP:
+        if (R_BGP == b) break;
+        pal_write_dmg(0, 0, b);
+        pal_write_dmg(8, 1, b);
+        R_BGP = b;
+        break;
+    case RI_OBP0:
+        if (R_OBP0 == b) break;
+        pal_write_dmg(64, 2, b);
+        R_OBP0 = b;
+        break;
+    case RI_OBP1:
+        if (R_OBP1 == b) break;
+        pal_write_dmg(72, 3, b);
+        R_OBP1 = b;
+        break;
+    case RI_IF:
+    case RI_IE:
+        REG(r) = b & 0x1F;
+        break;
+    case RI_P1:
+        REG(r) = b;
+        pad_refresh();
+        break;
+    case RI_SC:
+        /* FIXME - this is a hack for stupid roms that probe serial */
+        if ((b & 0x81) == 0x81)
+        {
+            R_SB = 0xff;
+            hw_interrupt(IF_SERIAL, IF_SERIAL);
+            hw_interrupt(0, IF_SERIAL);
+        }
+        R_SC = b; /* & 0x7f; */
+        break;
+    case RI_DIV:
+        REG(r) = 0;
+        break;
+    case RI_LCDC:
+        lcdc_change(b);
+        break;
+    case RI_STAT:
+        stat_write(b);
+        break;
+    case RI_LYC:
+        REG(r) = b;
+        stat_trigger();
+        break;
+    case RI_VBK:
+        REG(r) = b | 0xFE;
+        mem_updatemap();
+        break;
+    case RI_BCPS:
+        R_BCPS = b & 0xBF;
+        R_BCPD = lcd.pal[b & 0x3F];
+        break;
+    case RI_OCPS:
+        R_OCPS = b & 0xBF;
+        R_OCPD = lcd.pal[64 + (b & 0x3F)];
+        break;
+    case RI_BCPD:
+        R_BCPD = b;
+        pal_write(R_BCPS & 0x3F, b);
+        if (R_BCPS & 0x80) R_BCPS = (R_BCPS+1) & 0xBF;
+        break;
+    case RI_OCPD:
+        R_OCPD = b;
+        pal_write(64 + (R_OCPS & 0x3F), b);
+        if (R_OCPS & 0x80) R_OCPS = (R_OCPS+1) & 0xBF;
+        break;
+    case RI_SVBK:
+        REG(r) = b & 0x07;
+        mem_updatemap();
+        break;
+    case RI_DMA:
+        hw_dma(b);
+        break;
+    case RI_KEY1:
+        REG(r) = (REG(r) & 0x80) | (b & 0x01);
+        break;
+    case RI_HDMA1:
+        REG(r) = b;
+        break;
+    case RI_HDMA2:
+        REG(r) = b & 0xF0;
+        break;
+    case RI_HDMA3:
+        REG(r) = b & 0x1F;
+        break;
+    case RI_HDMA4:
+        REG(r) = b & 0xF0;
+        break;
+    case RI_HDMA5:
+        hw_hdma_cmd(b);
+        break;
+    }
+    switch (r)
+    {
+    case RI_BGP:
+    case RI_OBP0:
+    case RI_OBP1:
+        /* printf("palette reg %02X write %02X at LY=%02X\n", r, b, R_LY); */
+    case RI_HDMA1:
+    case RI_HDMA2:
+    case RI_HDMA3:
+    case RI_HDMA4:
+    case RI_HDMA5:
+        /* printf("HDMA %d: %02X\n", r - RI_HDMA1 + 1, b); */
+        break;
+    }
+    /* printf("reg %02X => %02X (%02X)\n", r, REG(r), b); */
+}
+
+
+byte ioreg_read(byte r)
+{
+    switch(r)
+    {
+    case RI_SC:
+        r = R_SC;
+        R_SC &= 0x7f;
+        return r;
+    case RI_P1:
+    case RI_SB:
+    case RI_DIV:
+    case RI_TIMA:
+    case RI_TMA:
+    case RI_TAC:
+    case RI_LCDC:
+    case RI_STAT:
+    case RI_SCY:
+    case RI_SCX:
+    case RI_LY:
+    case RI_LYC:
+    case RI_BGP:
+    case RI_OBP0:
+    case RI_OBP1:
+    case RI_WY:
+    case RI_WX:
+    case RI_IE:
+    case RI_IF:
+        return REG(r);
+    case RI_VBK:
+    case RI_BCPS:
+    case RI_OCPS:
+    case RI_BCPD:
+    case RI_OCPD:
+    case RI_SVBK:
+    case RI_KEY1:
+    case RI_HDMA1:
+    case RI_HDMA2:
+    case RI_HDMA3:
+    case RI_HDMA4:
+    case RI_HDMA5:
+        if (hw.cgb) return REG(r);
+    default:
+        return 0xff;
+    }
+}
+
+
+
+/*
+ * Memory bank controllers typically intercept write attempts to
+ * 0000-7FFF, using the address and byte written as instructions to
+ * change rom or sram banks, control special hardware, etc.
+ *
+ * mbc_write takes an address (which should be in the proper range)
+ * and a byte value written to the address.
+ */
+
+void mbc_write(int a, byte b)
+{
+    byte ha = (a>>12);
+
+    /* printf("mbc %d: rom bank %02X -[%04X:%02X]-> ", mbc.type, mbc.rombank, a, b); */
+    switch (mbc.type)
+    {
+    case MBC_MBC1:
+        switch (ha & 0xE)
+        {
+        case 0x0:
+            mbc.enableram = ((b & 0x0F) == 0x0A);
+            break;
+        case 0x2:
+            if ((b & 0x1F) == 0) b = 0x01;
+            mbc.rombank = (mbc.rombank & 0x60) | (b & 0x1F);
+            break;
+        case 0x4:
+            if (mbc.model)
+            {
+                mbc.rambank = b & 0x03;
+                break;
+            }
+            mbc.rombank = (mbc.rombank & 0x1F) | ((int)(b&3)<<5);
+            break;
+        case 0x6:
+            mbc.model = b & 0x1;
+            break;
+        }
+        break;
+    case MBC_MBC2: /* is this at all right? */
+        if ((a & 0x0100) == 0x0000)
+        {
+            mbc.enableram = ((b & 0x0F) == 0x0A);
+            break;
+        }
+        if ((a & 0xE100) == 0x2100)
+        {
+            mbc.rombank = b & 0x0F;
+            break;
+        }
+        break;
+    case MBC_MBC3:
+        switch (ha & 0xE)
+        {
+        case 0x0:
+            mbc.enableram = ((b & 0x0F) == 0x0A);
+            break;
+        case 0x2:
+            if ((b & 0x7F) == 0) b = 0x01;
+            mbc.rombank = b & 0x7F;
+            break;
+        case 0x4:
+            rtc.sel = b & 0x0f;
+            mbc.rambank = b & 0x03;
+            break;
+        case 0x6:
+            rtc_latch(b);
+            break;
+        }
+        break;
+    case MBC_RUMBLE:
+        switch (ha & 0xF)
+        {
+        case 0x4:
+        case 0x5:
+            /* FIXME - save high bit as rumble state */
+            /* mask off high bit */
+            b &= 0x7;
+            break;
+        }
+        /* fall thru */
+    case MBC_MBC5:
+        switch (ha & 0xF)
+        {
+        case 0x0:
+        case 0x1:
+            mbc.enableram = ((b & 0x0F) == 0x0A);
+            break;
+        case 0x2:
+            if ((b & 0xFF) == 0) b = 0x01;
+            mbc.rombank = (mbc.rombank & 0x100) | (b & 0xFF);
+            break;
+        case 0x3:
+            mbc.rombank = (mbc.rombank & 0xFF) | ((int)(b&1)<<8);
+            break;
+        case 0x4:
+        case 0x5:
+            mbc.rambank = b & 0x0f;
+            break;
+        }
+        break;
+    case MBC_HUC1: /* FIXME - this is all guesswork -- is it right??? */
+        switch (ha & 0xE)
+        {
+        case 0x0:
+            mbc.enableram = ((b & 0x0F) == 0x0A);
+            break;
+        case 0x2:
+            if ((b & 0x1F) == 0) b = 0x01;
+            mbc.rombank = (mbc.rombank & 0x60) | (b & 0x1F);
+            break;
+        case 0x4:
+            if (mbc.model)
+            {
+                mbc.rambank = b & 0x03;
+                break;
+            }
+            mbc.rombank = (mbc.rombank & 0x1F) | ((int)(b&3)<<5);
+            break;
+        case 0x6:
+            mbc.model = b & 0x1;
+            break;
+        }
+        break;
+    case MBC_HUC3:
+        switch (ha & 0xE)
+        {
+        case 0x0:
+            mbc.enableram = ((b & 0x0F) == 0x0A);
+            break;
+        case 0x2:
+            b &= 0x7F;
+            mbc.rombank = b ? b : 1;
+            break;
+        case 0x4:
+            rtc.sel = b & 0x0f;
+            mbc.rambank = b & 0x03;
+            break;
+        case 0x6:
+            rtc_latch(b);
+            break;
+        }
+        break;
+    }
+    mbc.rombank &= (mbc.romsize - 1);
+    mbc.rambank &= (mbc.ramsize - 1);
+    /* printf("%02X\n", mbc.rombank); */
+    mem_updatemap();
+}
+
+
+/*
+ * mem_write is the basic write function. Although it should only be
+ * called when the write map contains a NULL for the requested address
+ * region, it accepts writes to any address.
+ */
+
+void mem_write(int a, byte b)
+{
+    int n;
+    byte ha = (a>>12) & 0xE;
+
+    /* printf("write to 0x%04X: 0x%02X\n", a, b); */
+    switch (ha)
+    {
+    case 0x0:
+    case 0x2:
+    case 0x4:
+    case 0x6:
+        mbc_write(a, b);
+        break;
+    case 0x8:
+        /* if ((R_STAT & 0x03) == 0x03) break; */
+        vram_write(a & 0x1FFF, b);
+        break;
+    case 0xA:
+        if (!mbc.enableram) break;
+        if (rtc.sel&8)
+        {
+            rtc_write(b);
+            break;
+        }
+        ram.sbank[mbc.rambank][a & 0x1FFF] = b;
+        break;
+    case 0xC:
+        if ((a & 0xF000) == 0xC000)
+        {
+            ram.ibank[0][a & 0x0FFF] = b;
+            break;
+        }
+        n = R_SVBK & 0x07;
+        ram.ibank[n?n:1][a & 0x0FFF] = b;
+        break;
+    case 0xE:
+        if (a < 0xFE00)
+        {
+            mem_write(a & 0xDFFF, b);
+            break;
+        }
+        if ((a & 0xFF00) == 0xFE00)
+        {
+            /* if (R_STAT & 0x02) break; */
+            if (a < 0xFEA0) lcd.oam.mem[a & 0xFF] = b;
+            break;
+        }
+        /* return writehi(a & 0xFF, b); */
+        if (a >= 0xFF10 && a <= 0xFF3F)
+        {
+            sound_write(a & 0xFF, b);
+            break;
+        }
+        if ((a & 0xFF80) == 0xFF80 && a != 0xFFFF)
+        {
+            ram.hi[a & 0xFF] = b;
+            break;
+        }
+        ioreg_write(a & 0xFF, b);
+    }
+}
+
+
+/*
+ * mem_read is the basic read function...not useful for much anymore
+ * with the read map, but it's still necessary for the final messy
+ * region.
+ */
+
+byte mem_read(int a)
+{
+    int n;
+    byte ha = (a>>12) & 0xE;
+
+    /* printf("read %04x\n", a); */
+    switch (ha)
+    {
+    case 0x0:
+    case 0x2:
+        return rom.bank[0][a];
+    case 0x4:
+    case 0x6:
+        return rom.bank[mbc.rombank][a & 0x3FFF];
+    case 0x8:
+        /* if ((R_STAT & 0x03) == 0x03) return 0xFF; */
+        return lcd.vbank[R_VBK&1][a & 0x1FFF];
+    case 0xA:
+        if (!mbc.enableram && mbc.type == MBC_HUC3)
+            return 0x01;
+        if (!mbc.enableram)
+            return 0xFF;
+        if (rtc.sel&8)
+            return rtc.regs[rtc.sel&7];
+        return ram.sbank[mbc.rambank][a & 0x1FFF];
+    case 0xC:
+        if ((a & 0xF000) == 0xC000)
+            return ram.ibank[0][a & 0x0FFF];
+        n = R_SVBK & 0x07;
+        return ram.ibank[n?n:1][a & 0x0FFF];
+    case 0xE:
+        if (a < 0xFE00) return mem_read(a & 0xDFFF);
+        if ((a & 0xFF00) == 0xFE00)
+        {
+            /* if (R_STAT & 0x02) return 0xFF; */
+            if (a < 0xFEA0) return lcd.oam.mem[a & 0xFF];
+            return 0xFF;
+        }
+        /* return readhi(a & 0xFF); */
+        if (a == 0xFFFF) return REG(0xFF);
+        if (a >= 0xFF10 && a <= 0xFF3F)
+            return sound_read(a & 0xFF);
+        if ((a & 0xFF80) == 0xFF80)
+            return ram.hi[a & 0xFF];
+        return ioreg_read(a & 0xFF);
+    }
+    return 0xff; /* not reached */
+}
+
+void mbc_reset(void)
+{
+    mbc.rombank = 1;
+    mbc.rambank = 0;
+    mbc.enableram = 0;
+    mem_updatemap();
+}
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/mem.h b/apps/plugins/rockboy/mem.h
new file mode 100644
index 0000000000..7926e2eda9
--- /dev/null
+++ b/apps/plugins/rockboy/mem.h
@@ -0,0 +1,80 @@
+
+#ifndef __MEM_H__
+#define __MEM_H__
+
+
+#include "defs.h"
+
+
+
+#define MBC_NONE 0
+#define MBC_MBC1 1
+#define MBC_MBC2 2
+#define MBC_MBC3 3
+#define MBC_MBC5 5
+#define MBC_RUMBLE 15
+#define MBC_HUC1 0xC1
+#define MBC_HUC3 0xC3
+
+struct mbc
+{
+        int type;
+        int model;
+        int rombank;
+        int rambank;
+        int romsize;
+        int ramsize;
+        int enableram;
+        int batt;
+        byte *rmap[0x10], *wmap[0x10];
+};
+
+struct rom
+{
+        byte (*bank)[16384];
+        char name[20];
+};
+
+struct ram
+{
+        byte hi[256];
+        byte ibank[8][4096];
+        byte (*sbank)[8192];
+        int loaded;
+};
+
+
+extern struct mbc mbc;
+extern struct rom rom;
+extern struct ram ram;
+
+
+
+
+
+void mem_updatemap(void);
+void ioreg_write(byte r, byte b);
+void mbc_write(int a, byte b);
+void mem_write(int a, byte b);
+byte mem_read(int a);
+void mbc_reset(void);
+
+
+
+#define READB(a) ( mbc.rmap[(a)>>12] \
+? mbc.rmap[(a)>>12][(a)] \
+: mem_read((a)) )
+#define READW(a) ( READB((a)) | ((word)READB((a)+1)<<8) )
+
+#define WRITEB(a, b) ( mbc.wmap[(a)>>12] \
+? ( mbc.wmap[(a)>>12][(a)] = (b) ) \
+: ( mem_write((a), (b)), (b) ) )
+#define WRITEW(a, w) ( WRITEB((a), (w)&0xFF), WRITEB((a)+1, (w)>>8) )
+
+
+
+
+#endif
+
+
+
diff --git a/apps/plugins/rockboy/noise.h b/apps/plugins/rockboy/noise.h
new file mode 100644
index 0000000000..037499eef3
--- /dev/null
+++ b/apps/plugins/rockboy/noise.h
@@ -0,0 +1,532 @@
+
+#ifndef __NOISE_H__
+#define __NOISE_H__
+
+
+#include "defs.h"
+
+static byte noise7[] =
+{
+        0xfd,0xf3,0xd7,0x0d,0xd3,0x15,0x82,0xf1,
+        0xdb,0x25,0x21,0x39,0x68,0x8c,0xd5,0x00,
+};
+
+static byte noise15[] =
+{
+        0xff,0xfd,0xff,0xf3,0xff,0xd7,0xff,0x0f,
+        0xfd,0xdf,0xf3,0x3f,0xd5,0x7f,0x00,0xfd,
+        0xfd,0xf3,0xf3,0xd7,0xd7,0x0f,0x0d,0xdd,
+        0xd3,0x33,0x15,0x55,0x80,0x02,0xff,0xf1,
+        0xff,0xdb,0xff,0x27,0xfd,0x2f,0xf1,0x1f,
+        0xd9,0xbf,0x2a,0x7d,0x02,0xf1,0xf1,0xdb,
+        0xdb,0x27,0x25,0x2d,0x21,0x11,0x39,0x99,
+        0x6a,0xa8,0x80,0x0c,0xff,0xd5,0xff,0x03,
+        0xfd,0xf7,0xf3,0xcf,0xd7,0x5f,0x0c,0x3d,
+        0xd7,0x73,0x0c,0xd5,0xd5,0x03,0x01,0xf5,
+        0xfb,0xc3,0xe7,0x77,0xac,0xce,0x15,0x5b,
+        0x80,0x26,0xff,0x29,0xfd,0x0b,0xf1,0xc7,
+        0xdb,0x6f,0x24,0x9d,0x24,0xb1,0x24,0x59,
+        0x26,0x29,0x2b,0x09,0x05,0xc9,0xe3,0x4b,
+        0xb4,0x46,0x46,0x6a,0x6a,0x82,0x80,0xf0,
+        0xfd,0xdd,0xf3,0x33,0xd5,0x57,0x00,0x0d,
+        0xff,0xd3,0xff,0x17,0xfd,0x8f,0xf2,0xdf,
+        0xd1,0x3f,0x19,0x7d,0xa8,0xf2,0x0d,0xd3,
+        0xd3,0x17,0x15,0x8d,0x82,0xd2,0xf1,0x11,
+        0xd9,0x9b,0x2a,0xa5,0x00,0x21,0xff,0x3b,
+        0xfd,0x67,0xf0,0xaf,0xdc,0x1f,0x37,0xbd,
+        0x4e,0x70,0x5a,0xde,0x21,0x3b,0x39,0x65,
+        0x68,0xa0,0x8c,0x3c,0xd7,0x75,0x0c,0xc1,
+        0xd5,0x7b,0x00,0xe5,0xfd,0xa3,0xf2,0x37,
+        0xd3,0x4f,0x14,0x5d,0x86,0x32,0xeb,0x51,
+        0x84,0x1a,0xe7,0xa1,0xae,0x3a,0x1b,0x63,
+        0xa4,0xb6,0x24,0x4b,0x26,0x45,0x2a,0x61,
+        0x02,0xb9,0xf0,0x6b,0xde,0x87,0x38,0xed,
+        0x6d,0x90,0x92,0x9c,0x90,0xb4,0x9c,0x44,
+        0xb6,0x64,0x4a,0xa6,0x40,0x2a,0x7f,0x02,
+        0xfd,0xf1,0xf3,0xdb,0xd7,0x27,0x0d,0x2d,
+        0xd1,0x13,0x19,0x95,0xaa,0x82,0x00,0xf3,
+        0xfd,0xd7,0xf3,0x0f,0xd5,0xdf,0x03,0x3d,
+        0xf5,0x73,0xc0,0xd7,0x7d,0x0c,0xf1,0xd5,
+        0xdb,0x03,0x25,0xf5,0x23,0xc1,0x37,0x79,
+        0x4c,0xe8,0x55,0x8e,0x02,0xdb,0xf1,0x27,
+        0xd9,0x2f,0x29,0x1d,0x09,0xb1,0xca,0x5b,
+        0x42,0x24,0x73,0x26,0xd5,0x29,0x01,0x09,
+        0xf9,0xcb,0xeb,0x47,0x84,0x6e,0xe6,0x99,
+        0xa8,0xaa,0x0c,0x03,0xd7,0xf7,0x0f,0xcd,
+        0xdf,0x53,0x3c,0x15,0x77,0x80,0xce,0xfd,
+        0x59,0xf0,0x2b,0xdf,0x07,0x3d,0xed,0x73,
+        0x90,0xd6,0x9d,0x08,0xb1,0xcc,0x5b,0x56,
+        0x24,0x0b,0x27,0xc5,0x2f,0x61,0x1c,0xb9,
+        0xb4,0x6a,0x46,0x82,0x68,0xf2,0x8d,0xd0,
+        0xd3,0x1d,0x15,0xb1,0x82,0x5a,0xf2,0x21,
+        0xd3,0x3b,0x15,0x65,0x80,0xa2,0xfc,0x31,
+        0xf7,0x5b,0xcc,0x27,0x57,0x2c,0x0d,0x17,
+        0xd1,0x8f,0x1a,0xdd,0xa1,0x32,0x39,0x53,
+        0x68,0x14,0x8f,0x84,0xde,0xe5,0x39,0xa1,
+        0x6a,0x38,0x83,0x6c,0xf4,0x95,0xc4,0x83,
+        0x64,0xf4,0xa5,0xc4,0x23,0x67,0x34,0xad,
+        0x44,0x10,0x67,0x9e,0xae,0xb8,0x18,0x6f,
+        0xae,0x9e,0x18,0xbb,0xac,0x66,0x16,0xab,
+        0x88,0x06,0xcf,0xe9,0x5f,0x88,0x3e,0xcf,
+        0x79,0x5c,0xe8,0x35,0x8f,0x42,0xdc,0x71,
+        0x36,0xd9,0x49,0x28,0x49,0x0e,0x49,0xda,
+        0x4b,0x22,0x45,0x32,0x61,0x52,0xb8,0x10,
+        0x6f,0x9e,0x9e,0xb8,0xb8,0x6c,0x6e,0x96,
+        0x98,0x88,0xac,0xcc,0x15,0x57,0x80,0x0e,
+        0xff,0xd9,0xff,0x2b,0xfd,0x07,0xf1,0xef,
+        0xdb,0x9f,0x26,0xbd,0x28,0x71,0x0e,0xd9,
+        0xd9,0x2b,0x29,0x05,0x09,0xe1,0xcb,0xbb,
+        0x46,0x64,0x6a,0xa6,0x80,0x28,0xff,0x0d,
+        0xfd,0xd3,0xf3,0x17,0xd5,0x8f,0x02,0xdd,
+        0xf1,0x33,0xd9,0x57,0x28,0x0d,0x0f,0xd1,
+        0xdf,0x1b,0x3d,0xa5,0x72,0x20,0xd3,0x3d,
+        0x15,0x71,0x80,0xda,0xfd,0x21,0xf1,0x3b,
+        0xd9,0x67,0x28,0xad,0x0c,0x11,0xd7,0x9b,
+        0x0e,0xa5,0xd8,0x23,0x2f,0x35,0x1d,0x41,
+        0xb0,0x7a,0x5e,0xe2,0x39,0xb3,0x6a,0x54,
+        0x82,0x04,0xf3,0xe5,0xd7,0xa3,0x0e,0x35,
+        0xdb,0x43,0x24,0x75,0x26,0xc1,0x29,0x79,
+        0x08,0xe9,0xcd,0x8b,0x52,0xc4,0x11,0x67,
+        0x98,0xae,0xac,0x18,0x17,0xaf,0x8e,0x1e,
+        0xdb,0xb9,0x26,0x69,0x2a,0x89,0x00,0xc9,
+        0xfd,0x4b,0xf0,0x47,0xde,0x6f,0x3a,0x9d,
+        0x60,0xb0,0xbc,0x5c,0x76,0x36,0xcb,0x49,
+        0x44,0x48,0x66,0x4e,0xaa,0x58,0x02,0x2f,
+        0xf3,0x1f,0xd5,0xbf,0x02,0x7d,0xf2,0xf3,
+        0xd1,0xd7,0x1b,0x0d,0xa5,0xd2,0x23,0x13,
+        0x35,0x95,0x42,0x80,0x70,0xfe,0xdd,0xf9,
+        0x33,0xe9,0x57,0x88,0x0e,0xcf,0xd9,0x5f,
+        0x28,0x3d,0x0f,0x71,0xdc,0xdb,0x35,0x25,
+        0x41,0x20,0x79,0x3e,0xe9,0x79,0x88,0xea,
+        0xcd,0x81,0x52,0xf8,0x11,0xef,0x9b,0x9e,
+        0xa6,0xb8,0x28,0x6f,0x0e,0x9d,0xd8,0xb3,
+        0x2c,0x55,0x16,0x01,0x8b,0xfa,0xc7,0xe1,
+        0x6f,0xb8,0x9e,0x6c,0xba,0x94,0x60,0x86,
+        0xbc,0xe8,0x75,0x8e,0xc2,0xd9,0x71,0x28,
+        0xd9,0x0d,0x29,0xd1,0x0b,0x19,0xc5,0xab,
+        0x62,0x04,0xb3,0xe4,0x57,0xa6,0x0e,0x2b,
+        0xdb,0x07,0x25,0xed,0x23,0x91,0x36,0x99,
+        0x48,0xa8,0x4c,0x0e,0x57,0xda,0x0f,0x23,
+        0xdd,0x37,0x31,0x4d,0x58,0x50,0x2e,0x1f,
+        0x1b,0xbd,0xa6,0x72,0x2a,0xd3,0x01,0x15,
+        0xf9,0x83,0xea,0xf7,0x81,0xce,0xfb,0x59,
+        0xe4,0x2b,0xa7,0x06,0x2d,0xeb,0x13,0x85,
+        0x96,0xe2,0x89,0xb0,0xca,0x5d,0x42,0x30,
+        0x73,0x5e,0xd4,0x39,0x07,0x69,0xec,0x8b,
+        0x94,0xc6,0x85,0x68,0xe0,0x8d,0xbc,0xd2,
+        0x75,0x12,0xc1,0x91,0x7a,0x98,0xe0,0xad,
+        0xbc,0x12,0x77,0x92,0xce,0x91,0x58,0x98,
+        0x2c,0xaf,0x14,0x1d,0x87,0xb2,0xee,0x51,
+        0x9a,0x1a,0xa3,0xa0,0x36,0x3f,0x4b,0x7c,
+        0x44,0xf6,0x65,0xca,0xa3,0x40,0x34,0x7f,
+        0x46,0xfc,0x69,0xf6,0x8b,0xc8,0xc7,0x4d,
+        0x6c,0x50,0x96,0x1c,0x8b,0xb4,0xc6,0x45,
+        0x6a,0x60,0x82,0xbc,0xf0,0x75,0xde,0xc3,
+        0x39,0x75,0x68,0xc0,0x8d,0x7c,0xd0,0xf5,
+        0x1d,0xc1,0xb3,0x7a,0x54,0xe2,0x05,0xb3,
+        0xe2,0x57,0xb2,0x0e,0x53,0xda,0x17,0x23,
+        0x8d,0x36,0xd1,0x49,0x18,0x49,0xae,0x4a,
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+        0xa3,0xb6,0x36,0x4b,0x4a,0x44,0x42,0x66,
+        0x72,0xaa,0xd0,0x01,0x1f,0xf9,0xbf,0xea,
+        0x7f,0x82,0xfe,0xf1,0xf9,0xdb,0xeb,0x27,
+        0x85,0x2e,0xe1,0x19,0xb9,0xaa,0x6a,0x02,
+        0x83,0xf0,0xf7,0xdd,0xcf,0x33,0x5d,0x54,
+        0x30,0x07,0x5f,0xec,0x3f,0x97,0x7e,0x8c,
+        0xf8,0xd5,0xed,0x03,0x91,0xf6,0x9b,0xc8,
+        0xa7,0x4c,0x2c,0x57,0x16,0x0d,0x8b,0xd2,
+        0xc7,0x11,0x6d,0x98,0x92,0xac,0x90,0x14,
+        0x9f,0x84,0xbe,0xe4,0x79,0xa6,0xea,0x29,
+        0x83,0x0a,0xf5,0xc1,0xc3,0x7b,0x74,0xe4,
+        0xc5,0xa5,0x62,0x20,0xb3,0x3c,0x55,0x76,
+        0x00,0xcb,0xfd,0x47,0xf0,0x6f,0xde,0x9f,
+        0x38,0xbd,0x6c,0x70,0x96,0xdc,0x89,0x34,
+        0xc9,0x45,0x48,0x60,0x4e,0xbe,0x58,0x7a,
+        0x2e,0xe3,0x19,0xb5,0xaa,0x42,0x02,0x73,
+        0xf2,0xd7,0xd1,0x0f,0x19,0xdd,0xab,0x32,
+        0x05,0x53,0xe0,0x17,0xbf,0x8e,0x7e,0xda,
+        0xf9,0x21,0xe9,0x3b,0x89,0x66,0xc8,0xa9,
+        0x4c,0x08,0x57,0xce,0x0f,0x5b,0xdc,0x27,
+        0x37,0x2d,0x4d,0x10,0x51,0x9e,0x1a,0xbb,
+        0xa0,0x66,0x3e,0xab,0x78,0x04,0xef,0xe5,
+        0x9f,0xa2,0xbe,0x30,0x7b,0x5e,0xe4,0x39,
+        0xa7,0x6a,0x2c,0x83,0x14,0xf5,0x85,0xc2,
+        0xe3,0x71,0xb4,0xda,0x45,0x22,0x61,0x32,
+        0xb9,0x50,0x68,0x1e,0x8f,0xb8,0xde,0x6d,
+        0x3a,0x91,0x60,0x98,0xbc,0xac,0x74,0x16,
+        0xc7,0x89,0x6e,0xc8,0x99,0x4c,0xa8,0x54,
+        0x0e,0x07,0xdb,0xef,0x27,0x9d,0x2e,0xb1,
+        0x18,0x59,0xae,0x2a,0x1b,0x03,0xa5,0xf6,
+        0x23,0xcb,0x37,0x45,0x4c,0x60,0x56,0xbe,
+        0x08,0x7b,0xce,0xe7,0x59,0xac,0x2a,0x17,
+        0x03,0x8d,0xf6,0xd3,0xc9,0x17,0x49,0x8c,
+        0x4a,0xd6,0x41,0x0a,0x79,0xc2,0xeb,0x71,
+        0x84,0xda,0xe5,0x21,0xa1,0x3a,0x39,0x63,
+        0x68,0xb4,0x8c,0x44,0xd6,0x65,0x0a,0xa1,
+        0xc0,0x3b,0x7f,0x64,0xfc,0xa5,0xf4,0x23,
+        0xc7,0x37,0x6d,0x4c,0x90,0x54,0x9e,0x04,
+        0xbb,0xe4,0x67,0xa6,0xae,0x28,0x1b,0x0f,
+        0xa5,0xde,0x23,0x3b,0x35,0x65,0x40,0xa0,
+        0x7c,0x3e,0xf7,0x79,0xcc,0xeb,0x55,0x84,
+        0x02,0xe7,0xf1,0xaf,0xda,0x1f,0x23,0xbd,
+        0x36,0x71,0x4a,0xd8,0x41,0x2e,0x79,0x1a,
+        0xe9,0xa1,0x8a,0x3a,0xc3,0x61,0x74,0xb8,
+        0xc4,0x6d,0x66,0x90,0xa8,0x9c,0x0c,0xb7,
+        0xd4,0x4f,0x06,0x5d,0xea,0x33,0x83,0x56,
+        0xf4,0x09,0xc7,0xcb,0x6f,0x44,0x9c,0x64,
+        0xb6,0xa4,0x48,0x26,0x4f,0x2a,0x5d,0x02,
+        0x31,0xf3,0x5b,0xd4,0x27,0x07,0x2d,0xed,
+        0x13,0x91,0x96,0x9a,0x88,0xa0,0xcc,0x3d,
+        0x57,0x70,0x0c,0xdf,0xd5,0x3f,0x01,0x7d,
+        0xf8,0xf3,0xed,0xd7,0x93,0x0e,0x95,0xd8,
+        0x83,0x2c,0xf5,0x15,0xc1,0x83,0x7a,0xf4,
+        0xe1,0xc5,0xbb,0x62,0x64,0xb2,0xa4,0x50,
+        0x26,0x1f,0x2b,0xbd,0x06,0x71,0xea,0xdb,
+        0x81,0x26,0xf9,0x29,0xe9,0x0b,0x89,0xc6,
+        0xcb,0x69,0x44,0x88,0x64,0xce,0xa5,0x58,
+        0x20,0x2f,0x3f,0x1d,0x7d,0xb0,0xf2,0x5d,
+        0xd2,0x33,0x13,0x55,0x94,0x02,0x87,0xf0,
+        0xef,0xdd,0x9f,0x32,0xbd,0x50,0x70,0x1e,
+        0xdf,0xb9,0x3e,0x69,0x7a,0x88,0xe0,0xcd,
+        0xbd,0x52,0x70,0x12,0xdf,0x91,0x3e,0x99,
+        0x78,0xa8,0xec,0x0d,0x97,0xd2,0x8f,0x10,
+        0xdd,0x9d,0x32,0xb1,0x50,0x58,0x1e,0x2f,
+        0xbb,0x1e,0x65,0xba,0xa2,0x60,0x32,0xbf,
+        0x50,0x7c,0x1e,0xf7,0xb9,0xce,0x6b,0x5a,
+        0x84,0x20,0xe7,0x3d,0xad,0x72,0x10,0xd3,
+        0x9d,0x16,0xb1,0x88,0x5a,0xce,0x21,0x5b,
+        0x38,0x25,0x6f,0x20,0x9d,0x3c,0xb1,0x74,
+        0x58,0xc6,0x2d,0x6b,0x10,0x85,0x9c,0xe2,
+        0xb5,0xb0,0x42,0x5e,0x72,0x3a,0xd3,0x61,
+        0x14,0xb9,0x84,0x6a,0xe6,0x81,0xa8,0xfa,
+        0x0d,0xe3,0xd3,0xb7,0x16,0x4d,0x8a,0x52,
+        0xc2,0x11,0x73,0x98,0xd6,0xad,0x08,0x11,
+        0xcf,0x9b,0x5e,0xa4,0x38,0x27,0x6f,0x2c,
+        0x9d,0x14,0xb1,0x84,0x5a,0xe6,0x21,0xab,
+        0x3a,0x05,0x63,0xe0,0xb7,0xbc,0x4e,0x76,
+        0x5a,0xca,0x21,0x43,0x38,0x75,0x6e,0xc0,
+        0x99,0x7c,0xa8,0xf4,0x0d,0xc7,0xd3,0x6f,
+        0x14,0x9d,0x84,0xb2,0xe4,0x51,0xa6,0x1a,
+        0x2b,0xa3,0x06,0x35,0xeb,0x43,0x84,0x76,
+        0xe6,0xc9,0xa9,0x4a,0x08,0x43,0xce,0x77,
+        0x5a,0xcc,0x21,0x57,0x38,0x0d,0x6f,0xd0,
+        0x9f,0x1c,0xbd,0xb4,0x72,0x46,0xd2,0x69,
+        0x12,0x89,0x90,0xca,0x9d,0x40,0xb0,0x7c,
+        0x5e,0xf6,0x39,0xcb,0x6b,0x44,0x84,0x64,
+        0xe6,0xa5,0xa8,0x22,0x0f,0x33,0xdd,0x57,
+        0x30,0x0d,0x5f,0xd0,0x3f,0x1f,0x7d,0xbc,
+        0xf2,0x75,0xd2,0xc3,0x11,0x75,0x98,0xc2,
+        0xad,0x70,0x10,0xdf,0x9d,0x3e,0xb1,0x78,
+        0x58,0xee,0x2d,0x9b,0x12,0xa5,0x90,0x22,
+        0x9f,0x30,0xbd,0x5c,0x70,0x36,0xdf,0x49,
+        0x3c,0x49,0x76,0x48,0xca,0x4d,0x42,0x50,
+        0x72,0x1e,0xd3,0xb9,0x16,0x69,0x8a,0x8a,
+        0xc0,0xc1,0x7d,0x78,0xf0,0xed,0xdd,0x93,
+        0x32,0x95,0x50,0x80,0x1c,0xff,0xb5,0xfe,
+        0x43,0xfa,0x77,0xe2,0xcf,0xb1,0x5e,0x58,
+        0x3a,0x2f,0x63,0x1c,0xb5,0xb4,0x42,0x46,
+        0x72,0x6a,0xd2,0x81,0x10,0xf9,0x9d,0xea,
+        0xb3,0x80,0x56,0xfe,0x09,0xfb,0xcb,0xe7,
+        0x47,0xac,0x6e,0x16,0x9b,0x88,0xa6,0xcc,
+        0x29,0x57,0x08,0x0d,0xcf,0xd3,0x5f,0x14,
+        0x3d,0x87,0x72,0xec,0xd1,0x95,0x1a,0x81,
+        0xa0,0xfa,0x3d,0xe3,0x73,0xb4,0xd6,0x45,
+        0x0a,0x61,0xc2,0xbb,0x70,0x64,0xde,0xa5,
+        0x38,0x21,0x6f,0x38,0x9d,0x6c,0xb0,0x94,
+        0x5c,0x86,0x3e,0xeb,0x45,0x84,0x62,0xe6,
+        0xb1,0xa8,0x5a,0x0e,0x23,0xfb,0x33,0x25,
+        0x47,0x20,0x51,0x3e,0x19,0x7f,0xa8,0x66,
+        0x0c,0xfb,0xd0,0x07,0x13,0xe5,0x9f,0x83,
+        0xce,0x98,0x58,0xcd,0x2e,0x19,0x14,0x39,
+        0x86,0x3f,0xff,0x01,0x85,0xff,0xe1,0xe1,
+        0xb3,0xfc,0x46,0x63,0x0f,0xf8,0x00,0x53,
+        0xbe,0x1f,0xfb,0xc0,0xe6,0x7e,0xbc,0xf0,
+        0x01,0xe3,0xc3,0x9f,0xa6,0xcc,0x48,0x7e,
+        0x40,0x82,0x9d,0xf2,0xff,0xd6,0x07,0x13,
+        0xf5,0x87,0x80,0x0f,0x71,0x9c,0xfd,0x35,
+        0x61,0x43,0xf8,0x78,0x7e,0xcf,0x19,0x99,
+        0xa8,0x32,0x00,0x53,0xfc,0x17,0xfb,0x8f,
+        0xc6,0xdf,0xa9,0x3e,0x09,0x7b,0xc8,0xe7,
+        0x4d,0xac,0x52,0x16,0x13,0x8b,0x96,0xc6,
+        0x89,0x68,0xc8,0x8d,0x4c,0xd0,0x55,0x1e,
+        0x01,0xbb,0xfa,0x67,0xe2,0xaf,0xb0,0x1e,
+        0x5f,0xba,0x3e,0x63,0x7a,0xb4,0xe0,0x45,
+        0xbe,0x62,0x7a,0xb2,0xe0,0x51,0xbe,0x1a,
+        0x7b,0xa2,0xe6,0x31,0xab,0x5a,0x04,0x23,
+        0xe7,0x37,0xad,0x4e,0x10,0x5b,0x9e,0x26,
+        0xbb,0x28,0x65,0x0e,0xa1,0xd8,0x3b,0x2f,
+        0x65,0x1c,0xa1,0xb4,0x3a,0x47,0x62,0x6c,
+        0xb2,0x94,0x50,0x86,0x1c,0xeb,0xb5,0x86,
+        0x42,0xea,0x71,0x82,0xda,0xf1,0x21,0xd9,
+        0x3b,0x29,0x65,0x08,0xa1,0xcc,0x3b,0x57,
+        0x64,0x0c,0xa7,0xd4,0x2f,0x07,0x1d,0xed,
+        0xb3,0x92,0x56,0x92,0x08,0x93,0xcc,0x97,
+        0x54,0x8c,0x04,0xd7,0xe5,0x0f,0xa1,0xde,
+        0x3b,0x3b,0x65,0x64,0xa0,0xa4,0x3c,0x27,
+        0x77,0x2c,0xcd,0x15,0x51,0x80,0x1a,0xff,
+        0xa1,0xfe,0x3b,0xfb,0x67,0xe4,0xaf,0xa4,
+        0x1e,0x27,0xbb,0x2e,0x65,0x1a,0xa1,0xa0,
+        0x3a,0x3f,0x63,0x7c,0xb4,0xf4,0x45,0xc6,
+        0x63,0x6a,0xb4,0x80,0x44,0xfe,0x65,0xfa,
+        0xa3,0xe0,0x37,0xbf,0x4e,0x7c,0x5a,0xf6,
+        0x21,0xcb,0x3b,0x45,0x64,0x60,0xa6,0xbc,
+        0x28,0x77,0x0e,0xcd,0xd9,0x53,0x28,0x15,
+        0x0f,0x81,0xde,0xfb,0x39,0xe5,0x6b,0xa0,
+        0x86,0x3c,0xeb,0x75,0x84,0xc2,0xe5,0x71,
+        0xa0,0xda,0x3d,0x23,0x71,0x34,0xd9,0x45,
+        0x28,0x61,0x0e,0xb9,0xd8,0x6b,0x2e,0x85,
+        0x18,0xe1,0xad,0xba,0x12,0x63,0x92,0xb6,
+        0x90,0x48,0x9e,0x4c,0xba,0x54,0x62,0x06,
+        0xb3,0xe8,0x57,0x8e,0x0e,0xdb,0xd9,0x27,
+        0x29,0x2d,0x09,0x11,0xc9,0x9b,0x4a,0xa4,
+        0x40,0x26,0x7f,0x2a,0xfd,0x01,0xf1,0xfb,
+        0xdb,0xe7,0x27,0xad,0x2e,0x11,0x1b,0x99,
+        0xa6,0xaa,0x28,0x03,0x0f,0xf5,0xdf,0xc3,
+        0x3f,0x75,0x7c,0xc0,0xf5,0x7d,0xc0,0xf3,
+        0x7d,0xd4,0xf3,0x05,0xd5,0xe3,0x03,0xb5,
+        0xf6,0x43,0xca,0x77,0x42,0xcc,0x71,0x56,
+        0xd8,0x09,0x2f,0xc9,0x1f,0x49,0xbc,0x4a,
+        0x76,0x42,0xca,0x71,0x42,0xd8,0x71,0x2e,
+        0xd9,0x19,0x29,0xa9,0x0a,0x09,0xc3,0xcb,
+        0x77,0x44,0xcc,0x65,0x56,0xa0,0x08,0x3f,
+        0xcf,0x7f,0x5c,0xfc,0x35,0xf7,0x43,0xcc,
+        0x77,0x56,0xcc,0x09,0x57,0xc8,0x0f,0x4f,
+        0xdc,0x5f,0x36,0x3d,0x4b,0x70,0x44,0xde,
+        0x65,0x3a,0xa1,0x60,0x38,0xbf,0x6c,0x7c,
+        0x96,0xf4,0x89,0xc4,0xcb,0x65,0x44,0xa0,
+        0x64,0x3e,0xa7,0x78,0x2c,0xef,0x15,0x9d,
+        0x82,0xb2,0xf0,0x51,0xde,0x1b,0x3b,0xa5,
+        0x66,0x20,0xab,0x3c,0x05,0x77,0xe0,0xcf,
+        0xbd,0x5e,0x70,0x3a,0xdf,0x61,0x3c,0xb9,
+        0x74,0x68,0xc6,0x8d,0x68,0xd0,0x8d,0x1c,
+        0xd1,0xb5,0x1a,0x41,0xa2,0x7a,0x32,0xe3,
+        0x51,0xb4,0x1a,0x47,0xa2,0x6e,0x32,0x9b,
+        0x50,0xa4,0x1c,0x27,0xb7,0x2e,0x4d,0x1a,
+        0x51,0xa2,0x1a,0x33,0xa3,0x56,0x34,0x0b,
+        0x47,0xc4,0x6f,0x66,0x9c,0xa8,0xb4,0x0c,
+        0x47,0xd6,0x6f,0x0a,0x9d,0xc0,0xb3,0x7c,
+        0x54,0xf6,0x05,0xcb,0xe3,0x47,0xb4,0x6e,
+        0x46,0x9a,0x68,0xa2,0x8c,0x30,0xd7,0x5d,
+        0x0c,0x31,0xd7,0x5b,0x0c,0x25,0xd7,0x23,
+        0x0d,0x35,0xd1,0x43,0x18,0x75,0xae,0xc2,
+        0x19,0x73,0xa8,0xd6,0x0d,0x0b,0xd1,0xc7,
+        0x1b,0x6d,0xa4,0x92,0x24,0x93,0x24,0x95,
+        0x24,0x81,0x24,0xf9,0x25,0xe9,0x23,0x89,
+        0x36,0xc9,0x49,0x48,0x48,0x4e,0x4e,0x5a,
+        0x5a,0x22,0x23,0x33,0x35,0x55,0x40,0x00,
+};
+
+
+#endif
+
diff --git a/apps/plugins/rockboy/nosound.c b/apps/plugins/rockboy/nosound.c
new file mode 100644
index 0000000000..a0c9b17f15
--- /dev/null
+++ b/apps/plugins/rockboy/nosound.c
@@ -0,0 +1,43 @@
+
+
+
+#include "rockmacros.h"
+#include "defs.h"
+#include "pcm.h"
+#include "rc.h"
+
+
+struct pcm pcm;
+
+static byte buf[4096];
+
+
+rcvar_t pcm_exports[] =
+{
+        RCV_END
+};
+
+
+void pcm_init(void)
+{
+        pcm.hz = 11025;
+        pcm.buf = buf;
+        pcm.len = sizeof buf;
+        pcm.pos = 0;
+}
+
+void pcm_close(void)
+{
+        memset(&pcm, 0, sizeof pcm);
+}
+
+int pcm_submit(void)
+{
+        pcm.pos = 0;
+        return 0;
+}
+
+
+
+
+
diff --git a/apps/plugins/rockboy/palette.c b/apps/plugins/rockboy/palette.c
new file mode 100644
index 0000000000..5c5083d247
--- /dev/null
+++ b/apps/plugins/rockboy/palette.c
@@ -0,0 +1,153 @@
+
+
+#include "rockmacros.h"
+#include "defs.h"
+#include "fb.h"
+#include "palette.h"
+
+
+static byte palmap[32768];
+static byte pallock[256];
+static int palrev[256];
+
+/* Course color mapping, for when palette is exhausted. */
+static byte crsmap[4][32768];
+static int crsrev[4][256];
+static const int crsmask[4] = { 0x7BDE, 0x739C, 0x6318, 0x4210 };
+
+enum plstatus
+{
+        pl_unused = 0,
+        pl_linger,
+        pl_active,
+        pl_locked
+};
+
+/*
+static byte bestmatch(int c)
+{
+        byte n, best;
+        int r, g, b;
+        int r2, g2, b2, c2;
+        int err, besterr;
+
+        r = (c & 0x001F) << 3;
+        g = (c & 0x03E0) >> 2;
+        b = (c & 0x7C00) >> 7;
+
+        best = 0;
+        besterr = 1024;
+        for (n = 1; n; n++)
+        {
+                c2 = palrev[n];
+                r2 = (c2 & 0x001F) << 3;
+                g2 = (c2 & 0x03E0) >> 2;
+                b2 = (c2 & 0x7C00) >> 7;
+                err = abs(r-r2) + abs(b-b2) + abs(g-g2);
+                if (err < besterr)
+                {
+                        besterr = err;
+                        best = n;
+                }
+        }
+        return best;
+}
+*/
+
+static void makecourse(int c, byte n)
+{
+        int i;
+        for (i = 0; i < 4; i++)
+        {
+                c &= crsmask[i];
+                crsmap[i][c] = n;
+                crsrev[i][n] = c;
+        }
+}
+
+static byte findcourse(int c)
+{
+        int i;
+        byte n;
+        for (i = 0; i < 4; i++)
+        {
+                c &= crsmask[i];
+                n = crsmap[i][c];
+                if (crsrev[i][n] == c)
+                        return n;
+        }
+        return 0;
+}
+
+
+void pal_lock(byte n)
+{
+        if (!n) return;
+        if (pallock[n] >= pl_locked)
+                pallock[n]++;
+        else pallock[n] = pl_locked;
+}
+
+byte pal_getcolor(int c, int r, int g, int b)
+{
+        byte n;
+        static byte l;
+        n = palmap[c];
+        if (n && pallock[n] && palrev[n] == c)
+        {
+                pal_lock(n);
+                return n;
+        }
+        for (n = l+1; n != l; n++)
+        {
+                if (!n || pallock[n] /* || n < 16 */) continue;
+                pal_lock(n);
+                palmap[c] = n;
+                palrev[n] = c;
+                makecourse(c, n);
+                vid_setpal(n, r, g, b);
+                return (l = n);
+        }
+        n = findcourse(c);
+        pal_lock(n);
+        return n;
+}
+
+void pal_release(byte n)
+{
+        if (pallock[n] >= pl_locked)
+                pallock[n]--;
+}
+
+
+void pal_expire(void)
+{
+        int i;
+        for (i = 0; i < 256; i++)
+                if (pallock[i] && pallock[i] < pl_locked)
+                        pallock[i]--;
+}
+
+
+void pal_set332(void)
+{
+        int i, r, g, b;
+        
+        fb.indexed = 0;
+        fb.cc[0].r = 5;
+        fb.cc[1].r = 5;
+        fb.cc[2].r = 6;
+        fb.cc[0].l = 0;
+        fb.cc[1].l = 3;
+        fb.cc[2].l = 6;
+        
+        i = 0;
+        for (b = 0; b < 4; b++) for (g = 0; g < 8; g++) for (r = 0; r < 8; r++)
+                vid_setpal(i++, (r<<5)|(r<<2)|(r>>1),
+                           (g<<5)|(g<<2)|(g>>1), (b<<6)|(b<<4)|(b<<2)|b);
+}
+
+
+
+
+
diff --git a/apps/plugins/rockboy/palette.h b/apps/plugins/rockboy/palette.h
new file mode 100644
index 0000000000..05b093be77
--- /dev/null
+++ b/apps/plugins/rockboy/palette.h
@@ -0,0 +1,6 @@
+void pal_lock(byte n);
+byte pal_getcolor(int c, int r, int g, int b);
+void pal_release(byte n);
+void pal_expire(void);
+void pal_set332(void);
+void vid_setpal(int i, int r, int g, int b);
diff --git a/apps/plugins/rockboy/pcm.h b/apps/plugins/rockboy/pcm.h
new file mode 100644
index 0000000000..3719933520
--- /dev/null
+++ b/apps/plugins/rockboy/pcm.h
@@ -0,0 +1,21 @@
+
+#ifndef __PCM_H__
+#define __PCM_H__
+
+
+#include "defs.h"
+
+struct pcm
+{
+        int hz, len;
+        int stereo;
+        byte *buf;
+        int pos;
+};
+
+extern struct pcm pcm;
+
+
+#endif
+
+
diff --git a/apps/plugins/rockboy/rc.h b/apps/plugins/rockboy/rc.h
new file mode 100644
index 0000000000..217b05f5c6
--- /dev/null
+++ b/apps/plugins/rockboy/rc.h
@@ -0,0 +1,71 @@
+
+
+
+#ifndef __RC_H__
+#define __RC_H__
+
+
+
+typedef enum rctype
+{
+        rcv_end,
+        rcv_int,
+        rcv_string,
+        rcv_vector,
+        rcv_bool
+} rcvtype_t;
+
+
+typedef struct rcvar_s
+{
+        char *name;
+        int type;
+        int len;
+        void *mem;
+} rcvar_t;
+
+#define RCV_END { 0, rcv_end, 0, 0 }
+#define RCV_INT(n,v) { (n), rcv_int, 1, (v) }
+#define RCV_STRING(n,v) { (n), rcv_string, 0, (v) }
+#define RCV_VECTOR(n,v,l) { (n), rcv_vector, (l), (v) }
+#define RCV_BOOL(n,v) { (n), rcv_bool, 1, (v) }
+
+typedef struct rccmd_s
+{
+        char *name;
+        int (*func)(int, char **);
+} rccmd_t;
+
+#define RCC(n,f) { (n), (f) }
+#define RCC_END { 0, 0 }
+
+void rc_export(rcvar_t *v);
+void rc_exportvars(rcvar_t *vars);
+
+int rc_findvar(char *name);
+
+int rc_setvar_n(int i, int c, char **v);
+int rc_setvar(char *name, int c, char **v);
+
+int rc_getint_n(int i);
+int *rc_getvec_n(int i);
+char *rc_getstr_n(int i);
+
+int rc_getint(char *name);
+int *rc_getvec(char *name);
+char *rc_getstr(char *name);
+
+int rc_bindkey(char *keyname, char *cmd);
+int rc_unbindkey(char *keyname);
+void rc_unbindall(void);
+
+int rc_sourcefile(char *filename);
+void rc_dokey(int key, int st);
+
+int rc_command(char *line);
+
+#endif
+
+
+
+
diff --git a/apps/plugins/rockboy/rccmds.c b/apps/plugins/rockboy/rccmds.c
new file mode 100644
index 0000000000..c9375b69b5
--- /dev/null
+++ b/apps/plugins/rockboy/rccmds.c
@@ -0,0 +1,122 @@
+
+
+
+
+#include "rockmacros.h"
+
+#include "defs.h"
+#include "rc.h"
+#include "hw.h"
+#include "emu.h"
+#include "save.h"
+#include "split.h"
+
+/*
+ * the set command is used to set rc-exported variables.
+ */
+
+static int cmd_set(int argc, char **argv)
+{
+        if (argc < 3)
+                return -1;
+        return rc_setvar(argv[1], argc-2, argv+2);
+}
+
+
+
+/*
+ * the following commands allow keys to be bound to perform rc commands.
+ */
+
+static int cmd_reset(int argc, char **argv)
+{
+        (void)argc;
+        (void)argv;
+        emu_reset();
+        return 0;
+}
+
+static int cmd_savestate(int argc, char **argv)
+{
+        state_save(argc > 1 ? atoi(argv[1]) : -1);
+        return 0;
+}
+
+static int cmd_loadstate(int argc, char **argv)
+{
+        state_load(argc > 1 ? atoi(argv[1]) : -1);
+        return 0;
+}
+
+
+
+/*
+ * table of command names and the corresponding functions to be called
+ */
+
+rccmd_t rccmds[] =
+{
+        RCC("set", cmd_set),
+        RCC("reset", cmd_reset),
+        RCC("savestate", cmd_savestate),
+        RCC("loadstate", cmd_loadstate),
+        RCC_END
+};
+
+
+
+
+
+int rc_command(char *line)
+{
+        int i, argc, ret;
+        char *argv[128], linecopy[500];
+
+//      linecopy = malloc(strlen(line)+1);
+        strcpy(linecopy, line);
+        
+        argc = splitline(argv, (sizeof argv)/(sizeof argv[0]), linecopy);
+        if (!argc)
+        {
+//              free(linecopy);
+                return -1;
+        }
+        
+        for (i = 0; rccmds[i].name; i++)
+        {
+                if (!strcmp(argv[0], rccmds[i].name))
+                {
+                        ret = rccmds[i].func(argc, argv);
+//                      free(linecopy);
+                        return ret;
+                }
+        }
+
+        /* printf("unknown command: %s\n", argv[0]); */
+//      free(linecopy);
+        
+        return -1;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/rcvars.c b/apps/plugins/rockboy/rcvars.c
new file mode 100644
index 0000000000..e37657dbad
--- /dev/null
+++ b/apps/plugins/rockboy/rcvars.c
@@ -0,0 +1,233 @@
+
+
+
+
+#include <string.h>
+#include "rockmacros.h"
+
+#include "defs.h"
+#include "rc.h"
+
+
+
+
+
+
+static rcvar_t rcvars[150];
+
+static int nvars;
+
+
+
+
+
+void rc_export(rcvar_t *v)
+{
+        const rcvar_t end = RCV_END;
+        
+        if (!v) return;
+        nvars++;
+//      rcvars = realloc(rcvars, sizeof (rcvar_t) * (nvars+1));
+//      if (!rcvars)
+//              die("out of memory adding rcvar %s\n", v->name);
+        rcvars[nvars-1] = *v;
+        rcvars[nvars] = end;
+}
+
+void rc_exportvars(rcvar_t *vars)
+{
+        while(vars->type)
+                rc_export(vars++);
+}
+
+
+
+int rc_findvar(char *name)
+{
+        int i;
+        if (!rcvars) return -1;
+        for (i = 0; rcvars[i].name; i++)
+                if (!strcmp(rcvars[i].name, name))
+                        break;
+        if (!rcvars[i].name)
+                return -1;
+        return i;
+}
+
+
+int my_atoi(const char *s)
+{
+        int a = 0;
+        if (*s == '0')
+        {
+                s++;
+                if (*s == 'x' || *s == 'X')
+                {
+                        s++;
+                        while (*s)
+                        {
+                                if (isdigit(*s))
+                                        a = (a<<4) + *s - '0';
+                                else if (strchr("ABCDEF", *s))
+                                        a = (a<<4) + *s - 'A' + 10;
+                                else if (strchr("abcdef", *s))
+                                        a = (a<<4) + *s - 'a' + 10;
+                                else return a;
+                                s++;
+                        }
+                        return a;
+                }
+                while (*s)
+                {
+                        if (strchr("01234567", *s))
+                                a = (a<<3) + *s - '0';
+                        else return a;
+                        s++;
+                }
+                return a;
+        }
+        if (*s == '-')
+        {
+                s++;
+                for (;;)
+                {
+                        if (isdigit(*s))
+                                a = (a*10) + *s - '0';
+                        else return -a;
+                        s++;
+                }
+        }
+        while (*s)
+        {
+                if (isdigit(*s))
+                        a = (a*10) + *s - '0';
+                else return a;
+                s++;
+        }
+        return a;
+}
+
+
+int rc_setvar_n(int i, int c, char **v)
+{
+        int j;
+        int *n;
+        char **s;
+
+        switch (rcvars[i].type)
+        {
+        case rcv_int:
+                if (c < 1) return -1;
+                n = (int *)rcvars[i].mem;
+                *n = my_atoi(v[0]);
+                return 0;
+        case rcv_string:
+                if (c < 1) return -1;
+                s = (char **)rcvars[i].mem;
+//              if (*s) free(*s);
+                strcpy(*s,v[0]);
+                if (!*s)
+                        die("out of memory setting rcvar %s\n", rcvars[i].name);
+                return 0;
+        case rcv_vector:
+                if (c > rcvars[i].len)
+                        c = rcvars[i].len;
+                for (j = 0; j < c ; j++)
+                        ((int *)rcvars[i].mem)[j] = my_atoi(v[j]);
+                return 0;
+        case rcv_bool:
+                if (c < 1 || atoi(v[0]) || strchr("yYtT", v[0][0]))
+                        *(int *)rcvars[i].mem = 1;
+                else if (strchr("0nNfF", v[0][0]))
+                        *(int *)rcvars[i].mem = 0;
+                else
+                        return -1;
+                return 0;
+        }
+        return -1;
+}
+
+
+int rc_setvar(char *name, int c, char **v)
+{
+        int i;
+        
+        i = rc_findvar(name);
+        if (i < 0) return i;
+
+        return rc_setvar_n(i, c, v);
+}
+
+
+void *rc_getmem_n(int i)
+{
+        return rcvars[i].mem;
+}
+
+
+void *rc_getmem(char *name)
+{
+        int i;
+        i = rc_findvar(name);
+        if (i < 0) return NULL;
+        return rcvars[i].mem;
+}
+
+int rc_getint_n(int i)
+{
+        if (i < 0) return 0;
+        switch (rcvars[i].type)
+        {
+        case rcv_int:
+        case rcv_bool:
+                return *(int *)rcvars[i].mem;
+        }
+        return 0;
+}
+
+int *rc_getvec_n(int i)
+{
+        if (i < 0) return NULL;
+        switch (rcvars[i].type)
+        {
+        case rcv_int:
+        case rcv_bool:
+        case rcv_vector:
+                return (int *)rcvars[i].mem;
+        }
+        return NULL;
+}
+
+char *rc_getstr_n(int i)
+{
+        if (i < 0) return 0;
+        switch (rcvars[i].type)
+        {
+        case rcv_string:
+                return *(char **)rcvars[i].mem;
+        }
+        return 0;
+}
+
+int rc_getint(char *name)
+{
+        return rc_getint_n(rc_findvar(name));
+}
+
+int *rc_getvec(char *name)
+{
+        return rc_getvec_n(rc_findvar(name));
+}
+
+char *rc_getstr(char *name)
+{
+        return rc_getstr_n(rc_findvar(name));
+}
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/regs.h b/apps/plugins/rockboy/regs.h
new file mode 100644
index 0000000000..4457fd90ed
--- /dev/null
+++ b/apps/plugins/rockboy/regs.h
@@ -0,0 +1,181 @@
+
+#ifndef __REGS_H__
+#define __REGS_H__
+
+
+#include "mem.h"
+
+/* General internal/io stuff */
+
+#define RI_P1    0x00
+#define RI_SB    0x01
+#define RI_SC    0x02
+#define RI_DIV   0x04
+#define RI_TIMA  0x05
+#define RI_TMA   0x06
+#define RI_TAC   0x07
+
+#define RI_KEY1  0x4D
+
+#define RI_RP    0x56
+
+#define RI_SVBK  0x70
+
+
+
+/* Interrupts flags */
+
+#define RI_IF    0x0F
+#define RI_IE    0xFF
+
+
+
+
+/* LCDC */
+
+#define RI_LCDC  0x40
+#define RI_STAT  0x41
+#define RI_SCY   0x42
+#define RI_SCX   0x43
+#define RI_LY    0x44
+#define RI_LYC   0x45
+#define RI_DMA   0x46
+#define RI_BGP   0x47
+#define RI_OBP0  0x48
+#define RI_OBP1  0x49
+#define RI_WY    0x4A
+#define RI_WX    0x4B
+
+#define RI_VBK   0x4F
+
+#define RI_HDMA1 0x51
+#define RI_HDMA2 0x52
+#define RI_HDMA3 0x53
+#define RI_HDMA4 0x54
+#define RI_HDMA5 0x55
+
+#define RI_BCPS  0x68
+#define RI_BCPD  0x69
+#define RI_OCPS  0x6A
+#define RI_OCPD  0x6B
+
+
+
+/* Sound */
+
+#define RI_NR10 0x10
+#define RI_NR11 0x11
+#define RI_NR12 0x12
+#define RI_NR13 0x13
+#define RI_NR14 0x14
+#define RI_NR21 0x16
+#define RI_NR22 0x17
+#define RI_NR23 0x18
+#define RI_NR24 0x19
+#define RI_NR30 0x1A
+#define RI_NR31 0x1B
+#define RI_NR32 0x1C
+#define RI_NR33 0x1D
+#define RI_NR34 0x1E
+#define RI_NR41 0x20
+#define RI_NR42 0x21
+#define RI_NR43 0x22
+#define RI_NR44 0x23
+#define RI_NR50 0x24
+#define RI_NR51 0x25
+#define RI_NR52 0x26
+
+
+
+#define REG(n) ram.hi[(n)]
+
+
+
+/* General internal/io stuff */
+
+#define R_P1    REG(RI_P1)
+#define R_SB    REG(RI_SB)
+#define R_SC    REG(RI_SC)
+#define R_DIV   REG(RI_DIV)
+#define R_TIMA  REG(RI_TIMA)
+#define R_TMA   REG(RI_TMA)
+#define R_TAC   REG(RI_TAC)
+
+#define R_KEY1  REG(RI_KEY1)
+
+#define R_RP    REG(RI_RP)
+
+#define R_SVBK  REG(RI_SVBK)
+
+
+
+/* Interrupts flags */
+
+#define R_IF    REG(RI_IF)
+#define R_IE    REG(RI_IE)
+
+
+
+
+/* LCDC */
+
+#define R_LCDC  REG(RI_LCDC)
+#define R_STAT  REG(RI_STAT)
+#define R_SCY   REG(RI_SCY)
+#define R_SCX   REG(RI_SCX)
+#define R_LY    REG(RI_LY)
+#define R_LYC   REG(RI_LYC)
+#define R_DMA   REG(RI_DMA)
+#define R_BGP   REG(RI_BGP)
+#define R_OBP0  REG(RI_OBP0)
+#define R_OBP1  REG(RI_OBP1)
+#define R_WY    REG(RI_WY)
+#define R_WX    REG(RI_WX)
+
+#define R_VBK   REG(RI_VBK)
+
+#define R_HDMA1 REG(RI_HDMA1)
+#define R_HDMA2 REG(RI_HDMA2)
+#define R_HDMA3 REG(RI_HDMA3)
+#define R_HDMA4 REG(RI_HDMA4)
+#define R_HDMA5 REG(RI_HDMA5)
+
+#define R_BCPS  REG(RI_BCPS)
+#define R_BCPD  REG(RI_BCPD)
+#define R_OCPS  REG(RI_OCPS)
+#define R_OCPD  REG(RI_OCPD)
+
+
+
+/* Sound */
+
+#define R_NR10 REG(RI_NR10)
+#define R_NR11 REG(RI_NR11)
+#define R_NR12 REG(RI_NR12)
+#define R_NR13 REG(RI_NR13)
+#define R_NR14 REG(RI_NR14)
+#define R_NR21 REG(RI_NR21)
+#define R_NR22 REG(RI_NR22)
+#define R_NR23 REG(RI_NR23)
+#define R_NR24 REG(RI_NR24)
+#define R_NR30 REG(RI_NR30)
+#define R_NR31 REG(RI_NR31)
+#define R_NR32 REG(RI_NR32)
+#define R_NR33 REG(RI_NR33)
+#define R_NR34 REG(RI_NR34)
+#define R_NR41 REG(RI_NR41)
+#define R_NR42 REG(RI_NR42)
+#define R_NR43 REG(RI_NR43)
+#define R_NR44 REG(RI_NR44)
+#define R_NR50 REG(RI_NR50)
+#define R_NR51 REG(RI_NR51)
+#define R_NR52 REG(RI_NR52)
+
+
+
+#endif
+
+
+
+
+
diff --git a/apps/plugins/rockboy/rockboy.c b/apps/plugins/rockboy/rockboy.c
new file mode 100644
index 0000000000..c9788e2438
--- /dev/null
+++ b/apps/plugins/rockboy/rockboy.c
@@ -0,0 +1,137 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Gameboy emulator based on gnuboy
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "plugin.h"
+#include "loader.h"
+#include "rockmacros.h"
+
+#if MEM <= 8 && !defined(SIMULATOR)
+/* On archos this is loaded as an overlay */
+
+/* These are defined in the linker script */
+extern unsigned char ovl_start_addr[];
+extern unsigned char ovl_end_addr[];
+
+const struct {
+    unsigned long magic;
+    unsigned char *start_addr;
+    unsigned char *end_addr;
+    enum plugin_status (*entry_point)(struct plugin_api*, void*);
+} header __attribute__ ((section (".header"))) = {
+    0x524f564c, /* ROVL */
+    ovl_start_addr, ovl_end_addr, plugin_start
+};
+#endif
+
+/* here is a global api struct pointer. while not strictly necessary,
+   it's nice not to have to pass the api pointer in all function calls
+   in the plugin */
+struct plugin_api* rb;
+int shut,cleanshut;
+char *errormsg;
+int gnuboy_main(char *rom);
+
+/* libc functions */
+
+int isdigit(int c) {
+    return c>='0' && c<= '9';
+}
+
+int isalpha(int c) {
+    return (c>='a' && c<='z')||(c>='A' && c<='Z');
+}
+
+int isupper(int c) {
+    return c>='A'&&c<='Z';
+}
+
+int isalnum(int c) {
+    return isdigit(c)||isalpha(c);
+}
+
+void die(char *message, ...)
+{
+    shut=1;
+    errormsg=message;
+}
+
+void *mp3_bufferbase;
+void *mp3_bufferpointer;
+unsigned int mp3_buffer_free;
+
+void *my_malloc(size_t size)
+{
+    void *alloc;
+
+    if (!mp3_bufferbase)
+    {
+        mp3_bufferbase = mp3_bufferpointer
+                       = rb->plugin_get_mp3_buffer(&mp3_buffer_free);
+#if MEM <= 8 && !defined(SIMULATOR)
+        /* loaded as an overlay, protect from overwriting ourselves */
+        if ((unsigned)(ovl_start_addr - (unsigned char *)mp3_bufferbase) 
+            < mp3_buffer_free)
+            mp3_buffer_free = ovl_start_addr - (unsigned char *)mp3_bufferbase;
+#endif
+    }
+    if (size + 4 > mp3_buffer_free)
+        return 0;
+    alloc = mp3_bufferpointer;
+    mp3_bufferpointer += size + 4;
+    mp3_buffer_free -= size + 4;
+    return alloc;
+}
+
+void setmallocpos(void *pointer) 
+{
+    mp3_bufferpointer = pointer;
+    mp3_buffer_free = mp3_bufferpointer - mp3_bufferbase;
+}
+
+/* this is the plugin entry point */
+enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
+{
+    /* this macro should be called as the first thing you do in the plugin.
+       it test that the api version and model the plugin was compiled for
+       matches the machine it is running on */
+    TEST_PLUGIN_API(api);
+
+    /* if you are using a global api pointer, don't forget to copy it!
+       otherwise you will get lovely "I04: IllInstr" errors... :-) */
+    rb = api;
+    shut=0;
+    cleanshut=0;
+    mp3_bufferbase=mp3_bufferpointer=0;
+    mp3_buffer_free=0;
+
+    /* now go ahead and have fun! */
+    rb->splash(HZ*2, true, "Rockboy v0.3");
+    rb->lcd_clear_display();
+    gnuboy_main(parameter);
+
+    if(shut&&!cleanshut) {
+        rb->splash(HZ*2, true, errormsg);
+        return PLUGIN_ERROR;
+    }
+
+    rb->splash(HZ*2, true, "Shutting down.. byebye ^^");
+
+    cleanup();
+
+    return PLUGIN_OK;
+}
diff --git a/apps/plugins/rockboy/rockmacros.h b/apps/plugins/rockboy/rockmacros.h
new file mode 100644
index 0000000000..63f9b106e9
--- /dev/null
+++ b/apps/plugins/rockboy/rockmacros.h
@@ -0,0 +1,88 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2005 Michiel van der Kolk, Jens Arnold
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <plugin.h>
+
+/* workaround for cygwin not defining endian macros */
+#if !defined(LITTLE_ENDIAN) && !defined(BIG_ENDIAN) && defined(_X86_)
+#define LITTLE_ENDIAN
+#endif
+
+#define malloc(a) my_malloc(a)
+void *my_malloc(size_t size);
+
+extern struct plugin_api* rb;
+extern int shut,cleanshut;
+void vid_update(int scanline);
+void vid_init(void);
+void vid_begin(void);
+void vid_end(void);
+void die(char *message, ...);
+void setmallocpos(void *pointer);
+void vid_settitle(char *title);
+void *sys_timer(void);
+int  sys_elapsed(long *oldtick);
+void sys_sleep(int us);
+int  pcm_submit(void);
+void pcm_init(void);
+void doevents(void);
+int  isupper(int c);
+int  isdigit(int c);
+void ev_poll(void);
+
+#ifdef SIMULATOR
+#undef opendir
+#define opendir(a)      rb->sim_opendir((a))
+#undef closedir
+#define closedir(a)     rb->sim_closedir((a))
+#undef mkdir
+#define mkdir(a,b)      rb->sim_mkdir((a),(b))
+#undef open
+#define open(a,b)       rb->sim_open((a),(b))
+#undef lseek
+#define lseek(a,b,c)    rb->sim_lseek((a),(b),(c))
+#else /* !SIMULATOR */
+#define opendir(a)      rb->opendir((a))
+#define closedir(a)     rb->closedir((a))
+#define mkdir(a,b)      rb->mkdir((a),(b))
+#define open(a,b)       rb->open((a),(b))
+#define lseek(a,b,c)    rb->lseek((a),(b),(c))
+#endif /* !SIMULATOR */
+
+#define strcat(a,b)     rb->strcat((a),(b))
+#define close(a)        rb->close((a))
+#define read(a,b,c)     rb->read((a),(b),(c))
+#define write(a,b,c)    rb->write((a),(b),(c))
+#define memset(a,b,c)   rb->memset((a),(b),(c))
+#define memcpy(a,b,c)   rb->memcpy((a),(b),(c))
+#define strcpy(a,b)     rb->strcpy((a),(b))
+#define strncpy(a,b,c)  rb->strncpy((a),(b),(c))
+#define strlen(a)       rb->strlen((a))
+#define strcmp(a,b)     rb->strcmp((a),(b))
+#define strchr(a,b)     rb->strchr((a),(b))
+#define strrchr(a,b)    rb->strrchr((a),(b))
+#define strcasecmp(a,b) rb->strcasecmp((a),(b))
+#define srand(a)        rb->srand((a))
+#define rand()          rb->rand()
+#define atoi(a)         rb->atoi((a))
+#define strcat(a,b)     rb->strcat((a),(b))
+#define snprintf(...)   rb->snprintf(__VA_ARGS__)
+#define fprintf(...)    rb->fdprintf(__VA_ARGS__)
+#define tolower(_A_)    (isupper(_A_) ? (_A_ - 'A' + 'a') : _A_)
+
diff --git a/apps/plugins/rockboy/rtc.c b/apps/plugins/rockboy/rtc.c
new file mode 100644
index 0000000000..99e71dcfae
--- /dev/null
+++ b/apps/plugins/rockboy/rtc.c
@@ -0,0 +1,135 @@
+
+
+
+#include "rockmacros.h"
+#include <stdio.h>
+
+#include "defs.h"
+#include "mem.h"
+#include "rtc.h"
+#include "rc.h"
+
+struct rtc rtc;
+
+static int syncrtc = 1;
+
+rcvar_t rtc_exports[] =
+{
+        RCV_BOOL("syncrtc", &syncrtc),
+        RCV_END
+};
+
+
+void rtc_latch(byte b)
+{
+        if ((rtc.latch ^ b) & b & 1)
+        {
+                rtc.regs[0] = rtc.s;
+                rtc.regs[1] = rtc.m;
+                rtc.regs[2] = rtc.h;
+                rtc.regs[3] = rtc.d;
+                rtc.regs[4] = (rtc.d>>9) | (rtc.stop<<6) | (rtc.carry<<7);
+                rtc.regs[5] = 0xff;
+                rtc.regs[6] = 0xff;
+                rtc.regs[7] = 0xff;
+        }
+        rtc.latch = b;
+}
+
+void rtc_write(byte b)
+{
+        /* printf("write %02X: %02X (%d)\n", rtc.sel, b, b); */
+        if (!(rtc.sel & 8)) return;
+        switch (rtc.sel & 7)
+        {
+        case 0:
+                rtc.s = rtc.regs[0] = b;
+                while (rtc.s >= 60) rtc.s -= 60;
+                break;
+        case 1:
+                rtc.m = rtc.regs[1] = b;
+                while (rtc.m >= 60) rtc.m -= 60;
+                break;
+        case 2:
+                rtc.h = rtc.regs[2] = b;
+                while (rtc.h >= 24) rtc.h -= 24;
+                break;
+        case 3:
+                rtc.regs[3] = b;
+                rtc.d = (rtc.d & 0x100) | b;
+                break;
+        case 4:
+                rtc.regs[4] = b;
+                rtc.d = (rtc.d & 0xff) | ((b&1)<<9);
+                rtc.stop = (b>>6)&1;
+                rtc.carry = (b>>7)&1;
+                break;
+        }
+}
+
+void rtc_tick()
+{
+        if (rtc.stop) return;
+        if (++rtc.t == 60)
+        {
+                if (++rtc.s == 60)
+                {
+                        if (++rtc.m == 60)
+                        {
+                                if (++rtc.h == 24)
+                                {
+                                        if (++rtc.d == 365)
+                                        {
+                                                rtc.d = 0;
+                                                rtc.carry = 1;
+                                        }
+                                        rtc.h = 0;
+                                }
+                                rtc.m = 0;
+                        }
+                        rtc.s = 0;
+                }
+                rtc.t = 0;
+        }
+}
+
+void rtc_save_internal(int fd)
+{
+        (void)fd; // stop compiler complaining
+        // TODO
+//      fprintf(f, "%d %d %d %02d %02d %02d %02d\n%d\n",
+//              rtc.carry, rtc.stop, rtc.d, rtc.h, rtc.m, rtc.s, rtc.t,
+//              time(0));
+}
+
+void rtc_load_internal(int fd)
+{
+        //int rt = 0;
+        (void)fd; // stop compiler complaining
+        // TODO
+/*      fscanf(
+                f, "%d %d %d %02d %02d %02d %02d\n%d\n",
+                &rtc.carry, &rtc.stop, &rtc.d,
+                &rtc.h, &rtc.m, &rtc.s, &rtc.t, &rt);
+        while (rtc.t >= 60) rtc.t -= 60;
+        while (rtc.s >= 60) rtc.s -= 60;
+        while (rtc.m >= 60) rtc.m -= 60;
+        while (rtc.h >= 24) rtc.h -= 24;
+        while (rtc.d >= 365) rtc.d -= 365;
+        rtc.stop &= 1;
+        rtc.carry &= 1;
+        if (rt) rt = (time(0) - rt) * 60;
+        if (syncrtc) while (rt-- > 0) rtc_tick(); */
+}
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/rtc.h b/apps/plugins/rockboy/rtc.h
new file mode 100644
index 0000000000..2665cd81c3
--- /dev/null
+++ b/apps/plugins/rockboy/rtc.h
@@ -0,0 +1,25 @@
+
+
+#ifndef __RTC_H__
+#define __RTC_H__
+
+
+struct rtc
+{
+        int batt;
+        int sel;
+        int latch;
+        int d, h, m, s, t;
+        int stop, carry;
+        byte regs[8];
+};
+
+extern struct rtc rtc;
+
+void rtc_latch(byte b);
+void rtc_write(byte b);
+void rtc_tick(void);
+void rtc_save_internal(int fd);
+void rtc_load_internal(int fd);
+        
+#endif
diff --git a/apps/plugins/rockboy/save.c b/apps/plugins/rockboy/save.c
new file mode 100644
index 0000000000..bb9f905b8f
--- /dev/null
+++ b/apps/plugins/rockboy/save.c
@@ -0,0 +1,286 @@
+
+
+#include "rockmacros.h"
+#include <stdio.h>
+
+#include "defs.h"
+#include "cpu.h"
+#include "cpuregs.h"
+#include "hw.h"
+#include "regs.h"
+#include "lcd.h"
+#include "rtc.h"
+#include "mem.h"
+#include "sound.h"
+
+
+
+#ifdef LITTLE_ENDIAN
+#define LIL(x) (x)
+#else
+#define LIL(x) ((x<<24)|((x&0xff00)<<8)|((x>>8)&0xff00)|(x>>24))
+#endif
+
+#define I1(s, p) { 1, s, p }
+#define I2(s, p) { 2, s, p }
+#define I4(s, p) { 4, s, p }
+#define R(r) I1(#r, &R_##r)
+#define NOSAVE { -1, "\0\0\0\0", 0 }
+#define END { 0, "\0\0\0\0", 0 }
+
+struct svar
+{
+        int len;
+        char key[4];
+        void *ptr;
+};
+
+static int ver;
+static int sramblock, iramblock, vramblock;
+static int hramofs, hiofs, palofs, oamofs, wavofs;
+
+struct svar svars[] = 
+{
+        I4("GbSs", &ver),
+        
+        I2("PC  ", &PC),
+        I2("SP  ", &SP),
+        I2("BC  ", &BC),
+        I2("DE  ", &DE),
+        I2("HL  ", &HL),
+        I2("AF  ", &AF),
+        
+        I4("IME ", &cpu.ime),
+        I4("ima ", &cpu.ima),
+        I4("spd ", &cpu.speed),
+        I4("halt", &cpu.halt),
+        I4("div ", &cpu.div),
+        I4("tim ", &cpu.tim),
+        I4("lcdc", &cpu.lcdc),
+        I4("snd ", &cpu.snd),
+        
+        I1("ints", &hw.ilines),
+        I1("pad ", &hw.pad),
+        I4("cgb ", &hw.cgb),
+        I4("gba ", &hw.gba),    
+        
+        I4("mbcm", &mbc.model),
+        I4("romb", &mbc.rombank),
+        I4("ramb", &mbc.rambank),
+        I4("enab", &mbc.enableram),
+        I4("batt", &mbc.batt),
+        
+        I4("rtcR", &rtc.sel),
+        I4("rtcL", &rtc.latch),
+        I4("rtcC", &rtc.carry),
+        I4("rtcS", &rtc.stop),
+        I4("rtcd", &rtc.d),
+        I4("rtch", &rtc.h),
+        I4("rtcm", &rtc.m),
+        I4("rtcs", &rtc.s),
+        I4("rtct", &rtc.t),
+        I1("rtR8", &rtc.regs[0]),
+        I1("rtR9", &rtc.regs[1]),
+        I1("rtRA", &rtc.regs[2]),
+        I1("rtRB", &rtc.regs[3]),
+        I1("rtRC", &rtc.regs[4]),
+
+        I4("S1on", &snd.ch[0].on),
+        I4("S1p ", &snd.ch[0].pos),
+        I4("S1c ", &snd.ch[0].cnt),
+        I4("S1ec", &snd.ch[0].encnt),
+        I4("S1sc", &snd.ch[0].swcnt),
+        I4("S1sf", &snd.ch[0].swfreq),
+
+        I4("S2on", &snd.ch[1].on),
+        I4("S2p ", &snd.ch[1].pos),
+        I4("S2c ", &snd.ch[1].cnt),
+        I4("S2ec", &snd.ch[1].encnt),
+        
+        I4("S3on", &snd.ch[2].on),
+        I4("S3p ", &snd.ch[2].pos),
+        I4("S3c ", &snd.ch[2].cnt),
+        
+        I4("S4on", &snd.ch[3].on),
+        I4("S4p ", &snd.ch[3].pos),
+        I4("S4c ", &snd.ch[3].cnt),
+        I4("S4ec", &snd.ch[3].encnt),
+        
+        I4("hdma", &hw.hdma),
+        
+        I4("sram", &sramblock),
+        I4("iram", &iramblock),
+        I4("vram", &vramblock),
+        I4("hi  ", &hiofs),
+        I4("pal ", &palofs),
+        I4("oam ", &oamofs),
+        I4("wav ", &wavofs),
+        
+        /* NOSAVE is a special code to prevent the rest of the table
+         * from being saved, used to support old stuff for backwards
+         * compatibility... */
+        NOSAVE,
+
+        /* the following are obsolete as of 0x104 */
+        
+        I4("hram", &hramofs),
+        
+        R(P1), R(SB), R(SC),
+        R(DIV), R(TIMA), R(TMA), R(TAC),
+        R(IE), R(IF),
+        R(LCDC), R(STAT), R(LY), R(LYC),
+        R(SCX), R(SCY), R(WX), R(WY),
+        R(BGP), R(OBP0), R(OBP1),
+        R(DMA),
+
+        R(VBK), R(SVBK), R(KEY1),
+        R(BCPS), R(BCPD), R(OCPS), R(OCPD),
+
+        R(NR10), R(NR11), R(NR12), R(NR13), R(NR14),
+        R(NR21), R(NR22), R(NR23), R(NR24),
+        R(NR30), R(NR31), R(NR32), R(NR33), R(NR34),
+        R(NR41), R(NR42), R(NR43), R(NR44),
+        R(NR50), R(NR51), R(NR52),
+
+        I1("DMA1", &R_HDMA1),
+        I1("DMA2", &R_HDMA2),
+        I1("DMA3", &R_HDMA3),
+        I1("DMA4", &R_HDMA4),
+        I1("DMA5", &R_HDMA5),
+        
+        END
+};
+
+
+void loadstate(int fd)
+{
+        int i, j;
+        byte buf[4096];
+        un32 (*header)[2] = (un32 (*)[2])buf;
+        un32 d;
+        int irl = hw.cgb ? 8 : 2;
+        int vrl = hw.cgb ? 4 : 2;
+        int srl = mbc.ramsize << 1;
+
+        ver = hramofs = hiofs = palofs = oamofs = wavofs = 0;
+
+        read(fd,buf, 4096);
+        
+        for (j = 0; header[j][0]; j++)
+        {
+                for (i = 0; svars[i].ptr; i++)
+                {
+                        if (header[j][0] != *(un32 *)svars[i].key)
+                                continue;
+                        d = LIL(header[j][1]);
+                        switch (svars[i].len)
+                        {
+                        case 1:
+                                *(byte *)svars[i].ptr = d;
+                                break;
+                        case 2:
+                                *(un16 *)svars[i].ptr = d;
+                                break;
+                        case 4:
+                                *(un32 *)svars[i].ptr = d;
+                                break;
+                        }
+                        break;
+                }
+        }
+
+        /* obsolete as of version 0x104 */
+        if (hramofs) memcpy(ram.hi+128, buf+hramofs, 127);
+        
+        if (hiofs) memcpy(ram.hi, buf+hiofs, sizeof ram.hi);
+        if (palofs) memcpy(lcd.pal, buf+palofs, sizeof lcd.pal);
+        if (oamofs) memcpy(lcd.oam.mem, buf+oamofs, sizeof lcd.oam);
+
+        if (wavofs) memcpy(snd.wave, buf+wavofs, sizeof snd.wave);
+        else memcpy(snd.wave, ram.hi+0x30, 16); /* patch data from older files */
+
+        lseek(fd, iramblock<<12, SEEK_SET);
+        read(fd,ram.ibank, 4096*irl);
+        
+        lseek(fd, vramblock<<12, SEEK_SET);
+        read(fd,lcd.vbank, 4096*vrl);
+        
+        lseek(fd, sramblock<<12, SEEK_SET);
+        read(fd,ram.sbank, 4096*srl);
+}
+
+void savestate(int fd)
+{
+        int i;
+        byte buf[4096];
+        un32 (*header)[2] = (un32 (*)[2])buf;
+        un32 d = 0;
+        int irl = hw.cgb ? 8 : 2;
+        int vrl = hw.cgb ? 4 : 2;
+        int srl = mbc.ramsize << 1;
+
+        ver = 0x105;
+        iramblock = 1;
+        vramblock = 1+irl;
+        sramblock = 1+irl+vrl;
+        wavofs = 4096 - 784;
+        hiofs = 4096 - 768;
+        palofs = 4096 - 512;
+        oamofs = 4096 - 256;
+        memset(buf, 0, sizeof buf);
+
+        for (i = 0; svars[i].len > 0; i++)
+        {
+                header[i][0] = *(un32 *)svars[i].key;
+                switch (svars[i].len)
+                {
+                case 1:
+                        d = *(byte *)svars[i].ptr;
+                        break;
+                case 2:
+                        d = *(un16 *)svars[i].ptr;
+                        break;
+                case 4:
+                        d = *(un32 *)svars[i].ptr;
+                        break;
+                }
+                header[i][1] = LIL(d);
+        }
+        header[i][0] = header[i][1] = 0;
+
+        memcpy(buf+hiofs, ram.hi, sizeof ram.hi);
+        memcpy(buf+palofs, lcd.pal, sizeof lcd.pal);
+        memcpy(buf+oamofs, lcd.oam.mem, sizeof lcd.oam);
+        memcpy(buf+wavofs, snd.wave, sizeof snd.wave);
+
+        lseek(fd, 0, SEEK_SET);
+        write(fd,buf, 4096);
+        
+        lseek(fd, iramblock<<12, SEEK_SET);
+        write(fd,ram.ibank, 4096*irl);
+        
+        lseek(fd, vramblock<<12, SEEK_SET);
+        write(fd,lcd.vbank, 4096*vrl);
+        
+        lseek(fd, sramblock<<12, SEEK_SET);
+        write(fd,ram.sbank, 4096*srl);
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/apps/plugins/rockboy/save.h b/apps/plugins/rockboy/save.h
new file mode 100644
index 0000000000..01b3b14f05
--- /dev/null
+++ b/apps/plugins/rockboy/save.h
@@ -0,0 +1,4 @@
+void loadstate(int fd);
+void savestate(int fd);
+void state_save(int n);
+void state_load(int n); 
diff --git a/apps/plugins/rockboy/sound.c b/apps/plugins/rockboy/sound.c
new file mode 100644
index 0000000000..edf31d81b7
--- /dev/null
+++ b/apps/plugins/rockboy/sound.c
@@ -0,0 +1,466 @@
+
+
+
+#include "rockmacros.h"
+#include "defs.h"
+#include "pcm.h"
+#include "sound.h"
+#include "cpu.h"
+#include "hw.h"
+#include "regs.h"
+#include "rc.h"
+#include "noise.h"
+
+
+static const byte dmgwave[16] =
+    {
+        0xac, 0xdd, 0xda, 0x48,
+        0x36, 0x02, 0xcf, 0x16,
+        0x2c, 0x04, 0xe5, 0x2c,
+        0xac, 0xdd, 0xda, 0x48
+    };
+
+static const byte cgbwave[16] =
+    {
+        0x00, 0xff, 0x00, 0xff,
+        0x00, 0xff, 0x00, 0xff,
+        0x00, 0xff, 0x00, 0xff,
+        0x00, 0xff, 0x00, 0xff,
+    };
+
+
+static const byte sqwave[4][8] =
+    {
+        {  0, 0,-1, 0, 0, 0, 0, 0 },
+        {  0,-1,-1, 0, 0, 0, 0, 0 },
+        { -1,-1,-1,-1, 0, 0, 0, 0 },
+        { -1, 0, 0,-1,-1,-1,-1,-1 }
+    };
+
+static const int freqtab[8] =
+    {
+        (1<<14)*2,
+        (1<<14),
+        (1<<14)/2,
+        (1<<14)/3,
+        (1<<14)/4,
+        (1<<14)/5,
+        (1<<14)/6,
+        (1<<14)/7
+    };
+
+struct snd snd;
+int pcm_submit(void);
+
+#define RATE (snd.rate)
+#define WAVE (snd.wave) /* ram.hi+0x30 */
+#define S1 (snd.ch[0])
+#define S2 (snd.ch[1])
+#define S3 (snd.ch[2])
+#define S4 (snd.ch[3])
+
+rcvar_t sound_exports[] =
+    {
+        RCV_END
+    };
+
+
+static void s1_freq_d(int d)
+{
+    if (RATE > (d<<4)) S1.freq = 0;
+    else S1.freq = (RATE << 17)/d;
+}
+
+static void s1_freq(void)
+{
+    s1_freq_d(2048 - (((R_NR14&7)<<8) + R_NR13));
+}
+
+static void s2_freq(void)
+{
+    int d = 2048 - (((R_NR24&7)<<8) + R_NR23);
+    if (RATE > (d<<4)) S2.freq = 0;
+    else S2.freq = (RATE << 17)/d;
+}
+
+static void s3_freq(void)
+{
+    int d = 2048 - (((R_NR34&7)<<8) + R_NR33);
+    if (RATE > (d<<3)) S3.freq = 0;
+    else S3.freq = (RATE << 21)/d;
+}
+
+static void s4_freq(void)
+{
+    S4.freq = (freqtab[R_NR43&7] >> (R_NR43 >> 4)) * RATE;
+    if (S4.freq >> 18) S4.freq = 1<<18;
+}
+
+void sound_dirty(void)
+{
+    S1.swlen = ((R_NR10>>4) & 7) << 14;
+    S1.len = (64-(R_NR11&63)) << 13;
+    S1.envol = R_NR12 >> 4;
+    S1.endir = (R_NR12>>3) & 1;
+    S1.endir |= S1.endir - 1;
+    S1.enlen = (R_NR12 & 7) << 15;
+    s1_freq();
+    S2.len = (64-(R_NR21&63)) << 13;
+    S2.envol = R_NR22 >> 4;
+    S2.endir = (R_NR22>>3) & 1;
+    S2.endir |= S2.endir - 1;
+    S2.enlen = (R_NR22 & 7) << 15;
+    s2_freq();
+    S3.len = (256-R_NR31) << 20;
+    s3_freq();
+    S4.len = (64-(R_NR41&63)) << 13;
+    S4.envol = R_NR42 >> 4;
+    S4.endir = (R_NR42>>3) & 1;
+    S4.endir |= S4.endir - 1;
+    S4.enlen = (R_NR42 & 7) << 15;
+    s4_freq();
+}
+
+void sound_off(void)
+{
+    memset(&S1, 0, sizeof S1);
+    memset(&S2, 0, sizeof S2);
+    memset(&S3, 0, sizeof S3);
+    memset(&S4, 0, sizeof S4);
+    R_NR10 = 0x80;
+    R_NR11 = 0xBF;
+    R_NR12 = 0xF3;
+    R_NR14 = 0xBF;
+    R_NR21 = 0x3F;
+    R_NR22 = 0x00;
+    R_NR24 = 0xBF;
+    R_NR30 = 0x7F;
+    R_NR31 = 0xFF;
+    R_NR32 = 0x9F;
+    R_NR33 = 0xBF;
+    R_NR41 = 0xFF;
+    R_NR42 = 0x00;
+    R_NR43 = 0x00;
+    R_NR44 = 0xBF;
+    R_NR50 = 0x77;
+    R_NR51 = 0xF3;
+    R_NR52 = 0xF1;
+    sound_dirty();
+}
+
+void sound_reset(void)
+{
+    memset(&snd, 0, sizeof snd);
+    if (pcm.hz) snd.rate = (1<<21) / pcm.hz;
+    else snd.rate = 0;
+    memcpy(WAVE, hw.cgb ? cgbwave : dmgwave, 16);
+    memcpy(ram.hi+0x30, WAVE, 16);
+    sound_off();
+}
+
+
+void sound_mix(void)
+{
+    int s, l, r, f, n;
+
+    if (!RATE || cpu.snd < RATE) return;
+
+    for (; cpu.snd >= RATE; cpu.snd -= RATE)
+    {
+        l = r = 0;
+
+        if (S1.on)
+        {
+            s = sqwave[R_NR11>>6][(S1.pos>>18)&7] & S1.envol;
+            S1.pos += S1.freq;
+            if ((R_NR14 & 64) && ((S1.cnt += RATE) >= S1.len))
+                S1.on = 0;
+            if (S1.enlen && (S1.encnt += RATE) >= S1.enlen)
+            {
+                S1.encnt -= S1.enlen;
+                S1.envol += S1.endir;
+                if (S1.envol < 0) S1.envol = 0;
+                if (S1.envol > 15) S1.envol = 15;
+            }
+            if (S1.swlen && (S1.swcnt += RATE) >= S1.swlen)
+            {
+                S1.swcnt -= S1.swlen;
+                f = S1.swfreq;
+                n = (R_NR10 & 7);
+                if (R_NR10 & 8) f -= (f >> n);
+                else f += (f >> n);
+                if (f > 2047)
+                    S1.on = 0;
+                else
+                {
+                    S1.swfreq = f;
+                    R_NR13 = f;
+                    R_NR14 = (R_NR14 & 0xF8) | (f>>8);
+                    s1_freq_d(2048 - f);
+                }
+            }
+            s <<= 2;
+            if (R_NR51 & 1) r += s;
+            if (R_NR51 & 16) l += s;
+        }
+
+        if (S2.on)
+        {
+            s = sqwave[R_NR21>>6][(S2.pos>>18)&7] & S2.envol;
+            S2.pos += S2.freq;
+            if ((R_NR24 & 64) && ((S2.cnt += RATE) >= S2.len))
+                S2.on = 0;
+            if (S2.enlen && (S2.encnt += RATE) >= S2.enlen)
+            {
+                S2.encnt -= S2.enlen;
+                S2.envol += S2.endir;
+                if (S2.envol < 0) S2.envol = 0;
+                if (S2.envol > 15) S2.envol = 15;
+            }
+            s <<= 2;
+            if (R_NR51 & 2) r += s;
+            if (R_NR51 & 32) l += s;
+        }
+
+        if (S3.on)
+        {
+            s = WAVE[(S3.pos>>22) & 15];
+            if (S3.pos & (1<<21)) s &= 15;
+            else s >>= 4;
+            s -= 8;
+            S3.pos += S3.freq;
+            if ((R_NR34 & 64) && ((S3.cnt += RATE) >= S3.len))
+                S3.on = 0;
+            if (R_NR32 & 96) s <<= (3 - ((R_NR32>>5)&3));
+            else s = 0;
+            if (R_NR51 & 4) r += s;
+            if (R_NR51 & 64) l += s;
+        }
+
+        if (S4.on)
+        {
+            if (R_NR43 & 8) s = 1 & (noise7[
+                                             (S4.pos>>20)&15] >> (7-((S4.pos>>17)&7)));
+            else s = 1 & (noise15[
+                                  (S4.pos>>20)&4095] >> (7-((S4.pos>>17)&7)));
+            s = (-s) & S4.envol;
+            S4.pos += S4.freq;
+            if ((R_NR44 & 64) && ((S4.cnt += RATE) >= S4.len))
+                S4.on = 0;
+            if (S4.enlen && (S4.encnt += RATE) >= S4.enlen)
+            {
+                S4.encnt -= S4.enlen;
+                S4.envol += S4.endir;
+                if (S4.envol < 0) S4.envol = 0;
+                if (S4.envol > 15) S4.envol = 15;
+            }
+            s += s << 1;
+            if (R_NR51 & 8) r += s;
+            if (R_NR51 & 128) l += s;
+        }
+
+        l *= (R_NR50 & 0x07);
+        r *= ((R_NR50 & 0x70)>>4);
+        l >>= 4;
+        r >>= 4;
+
+        if (l > 127) l = 127;
+        else if (l < -128) l = -128;
+        if (r > 127) r = 127;
+        else if (r < -128) r = -128;
+
+        if (pcm.buf)
+        {
+            if (pcm.pos >= pcm.len)
+                pcm_submit();
+            if (pcm.stereo)
+            {
+                pcm.buf[pcm.pos++] = l+128;
+                pcm.buf[pcm.pos++] = r+128;
+            }
+            else pcm.buf[pcm.pos++] = ((l+r)>>1)+128;
+        }
+    }
+    R_NR52 = (R_NR52&0xf0) | S1.on | (S2.on<<1) | (S3.on<<2) | (S4.on<<3);
+}
+
+
+
+byte sound_read(byte r)
+{
+    sound_mix();
+    /* printf("read %02X: %02X\n", r, REG(r)); */
+    return REG(r);
+}
+
+void s1_init(void)
+{
+    S1.swcnt = 0;
+    S1.swfreq = ((R_NR14&7)<<8) + R_NR13;
+    S1.envol = R_NR12 >> 4;
+    S1.endir = (R_NR12>>3) & 1;
+    S1.endir |= S1.endir - 1;
+    S1.enlen = (R_NR12 & 7) << 15;
+    if (!S1.on) S1.pos = 0;
+    S1.on = 1;
+    S1.cnt = 0;
+    S1.encnt = 0;
+}
+
+void s2_init(void)
+{
+    S2.envol = R_NR22 >> 4;
+    S2.endir = (R_NR22>>3) & 1;
+    S2.endir |= S2.endir - 1;
+    S2.enlen = (R_NR22 & 7) << 15;
+    if (!S2.on) S2.pos = 0;
+    S2.on = 1;
+    S2.cnt = 0;
+    S2.encnt = 0;
+}
+
+void s3_init(void)
+{
+    int i;
+    if (!S3.on) S3.pos = 0;
+    S3.cnt = 0;
+    S3.on = R_NR30 >> 7;
+    if (S3.on) for (i = 0; i < 16; i++)
+            ram.hi[i+0x30] = 0x13 ^ ram.hi[i+0x31];
+}
+
+void s4_init(void)
+{
+    S4.envol = R_NR42 >> 4;
+    S4.endir = (R_NR42>>3) & 1;
+    S4.endir |= S4.endir - 1;
+    S4.enlen = (R_NR42 & 7) << 15;
+    S4.on = 1;
+    S4.pos = 0;
+    S4.cnt = 0;
+    S4.encnt = 0;
+}
+
+
+void sound_write(byte r, byte b)
+{
+#if 0
+    static void *timer;
+    if (!timer) timer = sys_timer();
+    printf("write %02X: %02X @ %d\n", r, b, sys_elapsed(timer));
+#endif
+
+    if (!(R_NR52 & 128) && r != RI_NR52) return;
+    if ((r & 0xF0) == 0x30)
+    {
+        if (S3.on) sound_mix();
+        if (!S3.on)
+            WAVE[r-0x30] = ram.hi[r] = b;
+        return;
+    }
+    sound_mix();
+    switch (r)
+    {
+    case RI_NR10:
+        R_NR10 = b;
+        S1.swlen = ((R_NR10>>4) & 7) << 14;
+        S1.swfreq = ((R_NR14&7)<<8) + R_NR13;
+        break;
+    case RI_NR11:
+        R_NR11 = b;
+        S1.len = (64-(R_NR11&63)) << 13;
+        break;
+    case RI_NR12:
+        R_NR12 = b;
+        S1.envol = R_NR12 >> 4;
+        S1.endir = (R_NR12>>3) & 1;
+        S1.endir |= S1.endir - 1;
+        S1.enlen = (R_NR12 & 7) << 15;
+        break;
+    case RI_NR13:
+        R_NR13 = b;
+        s1_freq();
+        break;
+    case RI_NR14:
+        R_NR14 = b;
+        s1_freq();
+        if (b & 128) s1_init();
+        break;
+    case RI_NR21:
+        R_NR21 = b;
+        S2.len = (64-(R_NR21&63)) << 13;
+        break;
+    case RI_NR22:
+        R_NR22 = b;
+        S2.envol = R_NR22 >> 4;
+        S2.endir = (R_NR22>>3) & 1;
+        S2.endir |= S2.endir - 1;
+        S2.enlen = (R_NR22 & 7) << 15;
+        break;
+    case RI_NR23:
+        R_NR23 = b;
+        s2_freq();
+        break;
+    case RI_NR24:
+        R_NR24 = b;
+        s2_freq();
+        if (b & 128) s2_init();
+        break;
+    case RI_NR30:
+        R_NR30 = b;
+        if (!(b & 128)) S3.on = 0;
+        break;
+    case RI_NR31:
+        R_NR31 = b;
+        S3.len = (256-R_NR31) << 13;
+        break;
+    case RI_NR32:
+        R_NR32 = b;
+        break;
+    case RI_NR33:
+        R_NR33 = b;
+        s3_freq();
+        break;
+    case RI_NR34:
+        R_NR34 = b;
+        s3_freq();
+        if (b & 128) s3_init();
+        break;
+    case RI_NR41:
+        R_NR41 = b;
+        S4.len = (64-(R_NR41&63)) << 13;
+        break;
+    case RI_NR42:
+        R_NR42 = b;
+        S4.envol = R_NR42 >> 4;
+        S4.endir = (R_NR42>>3) & 1;
+        S4.endir |= S4.endir - 1;
+        S4.enlen = (R_NR42 & 7) << 15;
+        break;
+    case RI_NR43:
+        R_NR43 = b;
+        s4_freq();
+        break;
+    case RI_NR44:
+        R_NR44 = b;
+        if (b & 128) s4_init();
+        break;
+    case RI_NR50:
+        R_NR50 = b;
+        break;
+    case RI_NR51:
+        R_NR51 = b;
+        break;
+    case RI_NR52:
+        R_NR52 = b;
+        if (!(R_NR52 & 128))
+            sound_off();
+        break;
+    default:
+        return;
+    }
+}
+
+
+
+
diff --git a/apps/plugins/rockboy/sound.h b/apps/plugins/rockboy/sound.h
new file mode 100644
index 0000000000..1a24ee600f
--- /dev/null
+++ b/apps/plugins/rockboy/sound.h
@@ -0,0 +1,41 @@
+
+
+#ifndef __SOUND_H__
+#define __SOUND_H__
+
+
+struct sndchan
+{
+        int on;
+        unsigned pos;
+        int cnt, encnt, swcnt;
+        int len, enlen, swlen;
+        int swfreq;
+        int freq;
+        int envol, endir;
+};
+
+
+struct snd
+{
+        int rate;
+        struct sndchan ch[4];
+        byte wave[16];
+};
+
+
+extern struct snd snd;
+
+byte sound_read(byte r);
+void sound_write(byte r, byte b);
+void sound_dirty(void);
+void sound_off(void);
+void sound_reset(void);
+void sound_mix(void);
+void s1_init(void);
+void s2_init(void);
+void s3_init(void);
+void s4_init(void);
+
+#endif
+        
diff --git a/apps/plugins/rockboy/split.c b/apps/plugins/rockboy/split.c
new file mode 100644
index 0000000000..5d8af08ee1
--- /dev/null
+++ b/apps/plugins/rockboy/split.c
@@ -0,0 +1,59 @@
+
+#include "rockmacros.h"
+
+/*
+ * splitline is a destructive argument parser, much like a very primitive
+ * form of a shell parser. it supports quotes for embedded spaces and
+ * literal quotes with the backslash escape.
+ */
+
+char *splitnext(char **pos)
+{
+        char *a, *d, *s;
+
+        d = s = *pos;
+        while (*s == ' ' || *s == '\t') s++;
+        a = s;
+        while (*s && *s != ' ' && *s != '\t')
+        {
+                if (*s == '"')
+                {
+                        s++;
+                        while (*s && *s != '"')
+                        {
+                                if (*s == '\\')
+                                        s++;
+                                if (*s)
+                                        *(d++) = *(s++);
+                        }
+                        if (*s == '"') s++;
+                }
+                else
+                {
+                        if (*s == '\\')
+                                s++;
+                        *(d++) = *(s++);
+                }
+        }
+        while (*s == ' ' || *s == '\t') s++;
+        *d = 0;
+        *pos = s;
+        return a;
+}
+
+int splitline(char **argv, int max, char *line)
+{
+        char *s;
+        int i;
+
+        s = line;
+        for (i = 0; *s && i < max + 1; i++)
+                argv[i] = splitnext(&s);
+        argv[i] = 0;
+        return i;
+}
+
+
+
+
+
diff --git a/apps/plugins/rockboy/split.h b/apps/plugins/rockboy/split.h
new file mode 100644
index 0000000000..a371430946
--- /dev/null
+++ b/apps/plugins/rockboy/split.h
@@ -0,0 +1 @@
+int splitline(char **argv, int max, char *line);
diff --git a/apps/plugins/rockboy/sys_rockbox.c b/apps/plugins/rockboy/sys_rockbox.c
new file mode 100644
index 0000000000..43cd8ad29e
--- /dev/null
+++ b/apps/plugins/rockboy/sys_rockbox.c
@@ -0,0 +1,271 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2005 Michiel van der Kolk, Jens Arnold
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "rockmacros.h"
+#include "fb.h"
+#include "input.h"
+#include "rc.h"
+#include "lcd.h"
+#include "hw.h"
+#include "config.h"
+
+rcvar_t joy_exports[] =
+{
+            RCV_END
+};
+
+rcvar_t vid_exports[] =
+{
+            RCV_END
+};
+
+struct fb fb;
+byte *video_base_buf;
+
+extern int debug_trace;
+
+static byte frameb[145][160];
+
+void vid_settitle(char *title)
+{
+    rb->splash(HZ*2, true, title);
+}
+
+void joy_init(void)
+{
+}
+
+void joy_close(void)
+{
+}
+
+#if CONFIG_KEYPAD == IRIVER_H100_PAD
+#define ROCKBOY_PAD_A BUTTON_ON
+#define ROCKBOY_PAD_B BUTTON_OFF
+#define ROCKBOY_PAD_START BUTTON_REC
+#define ROCKBOY_PAD_SELECT BUTTON_MODE
+#define ROCKBOY_QUIT BUTTON_SELECT
+
+#elif CONFIG_KEYPAD == RECORDER_PAD
+#define ROCKBOY_PAD_A BUTTON_F1
+#define ROCKBOY_PAD_B BUTTON_F2
+#define ROCKBOY_PAD_START BUTTON_F3
+#define ROCKBOY_PAD_SELECT BUTTON_PLAY
+#define ROCKBOY_QUIT BUTTON_OFF
+
+#endif
+
+unsigned int oldbuttonstate = 0, newbuttonstate;
+
+void ev_poll(void)
+{
+    event_t ev;
+    int released, pressed;
+    newbuttonstate = rb->button_status();
+    released = ~newbuttonstate & oldbuttonstate;
+    pressed = newbuttonstate & ~oldbuttonstate;
+    oldbuttonstate = newbuttonstate;
+
+    if(released) {
+        ev.type = EV_RELEASE;
+        if(released & BUTTON_LEFT) { ev.code=PAD_LEFT; ev_postevent(&ev); }
+        if(released & BUTTON_RIGHT) {ev.code=PAD_RIGHT; ev_postevent(&ev);}
+        if(released & BUTTON_DOWN) { ev.code=PAD_DOWN; ev_postevent(&ev); }
+        if(released & BUTTON_UP) { ev.code=PAD_UP; ev_postevent(&ev); }
+        if(released & ROCKBOY_PAD_A) { ev.code=PAD_A; ev_postevent(&ev); }
+        if(released & ROCKBOY_PAD_B) { ev.code=PAD_B; ev_postevent(&ev); }
+        if(released & ROCKBOY_PAD_START) {
+            ev.code=PAD_START;
+            ev_postevent(&ev);
+        }
+        if(released & ROCKBOY_PAD_SELECT) {
+            ev.code=PAD_SELECT;
+            ev_postevent(&ev);
+        }
+    }
+    if(pressed) { /* button press */
+        ev.type = EV_PRESS;
+        if(pressed & BUTTON_LEFT) { ev.code=PAD_LEFT; ev_postevent(&ev); }
+        if(pressed & BUTTON_RIGHT) { ev.code=PAD_RIGHT; ev_postevent(&ev);}
+        if(pressed & BUTTON_DOWN) { ev.code=PAD_DOWN; ev_postevent(&ev); }
+        if(pressed & BUTTON_UP) { ev.code=PAD_UP; ev_postevent(&ev); }
+        if(pressed & ROCKBOY_PAD_A) { ev.code=PAD_A; ev_postevent(&ev); }
+        if(pressed & ROCKBOY_PAD_B) { ev.code=PAD_B; ev_postevent(&ev); }
+        if(pressed & ROCKBOY_PAD_START) {
+            ev.code=PAD_START;
+            ev_postevent(&ev); 
+        }
+        if(pressed & ROCKBOY_PAD_SELECT) {
+            ev.code=PAD_SELECT;
+            ev_postevent(&ev);
+        }
+        if(pressed & ROCKBOY_QUIT) {
+            die("");
+            cleanshut=1;
+        }
+    }
+    
+}
+
+void vid_setpal(int i, int r, int g, int b)
+{
+    (void)i;
+    (void)r;
+    (void)g;
+    (void)b;
+}
+
+void vid_init(void)
+{
+}
+
+void vid_begin(void)
+{
+    fb.pelsize=1; // 8 bit framebuffer.. (too much.. but lowest gnuboy will support.. so yea...
+    fb.h=144;
+    fb.w=160;
+    fb.pitch=160;
+    fb.enabled=1;
+    fb.dirty=0;
+    video_base_buf=fb.ptr=(byte *)frameb;
+}
+
+void vid_update(int scanline) 
+{
+    int cnt=0,scanline_remapped;
+    byte *frameb;
+#if LCD_HEIGHT == 64 /* Archos */
+    int balance = 0;
+    if (scanline >= 128)
+          return;
+    scanline_remapped = scanline / 16;
+    frameb = rb->lcd_framebuffer + scanline_remapped * LCD_WIDTH;
+    while (cnt < 160) {
+        balance += LCD_WIDTH;
+        if (balance > 0)
+        {
+#ifdef SIMULATOR /* simulator uses C */
+             register unsigned scrbyte = 0;
+             if (scan.buf[0][cnt] & 0x02)  scrbyte |= 0x01;
+             if (scan.buf[1][cnt] & 0x02)  scrbyte |= 0x02;
+             if (scan.buf[2][cnt] & 0x02)  scrbyte |= 0x04;
+             if (scan.buf[3][cnt] & 0x02)  scrbyte |= 0x08;
+             if (scan.buf[4][cnt] & 0x02)  scrbyte |= 0x10;
+             if (scan.buf[5][cnt] & 0x02)  scrbyte |= 0x20;
+             if (scan.buf[6][cnt] & 0x02)  scrbyte |= 0x40;
+             if (scan.buf[7][cnt] & 0x02)  scrbyte |= 0x80;
+             *(frameb++) = scrbyte;
+#else
+             asm volatile (
+                 "mov.b   @%0,r0         \n"
+                 "add     %1,%0          \n"
+                 "tst     #0x02, r0      \n"  /* ~bit 1 */
+                 "rotcr   r1             \n"
+                 "mov.b   @%0,r0         \n"
+                 "add     %1,%0          \n"
+                 "tst     #0x02, r0      \n"  /* ~bit 1 */
+                 "rotcr   r1             \n"
+                 "mov.b   @%0,r0         \n"
+                 "add     %1,%0          \n"
+                 "tst     #0x02, r0      \n"  /* ~bit 1 */
+                 "rotcr   r1             \n"
+                 "mov.b   @%0,r0         \n"
+                 "add     %1,%0          \n"
+                 "tst     #0x02, r0      \n"  /* ~bit 1 */
+                 "rotcr   r1             \n"
+                 "mov.b   @%0,r0         \n"
+                 "add     %1,%0          \n"
+                 "tst     #0x02, r0      \n"  /* ~bit 1 */
+                 "rotcr   r1             \n"
+                 "mov.b   @%0,r0         \n"
+                 "add     %1,%0          \n"
+                 "tst     #0x02, r0      \n"  /* ~bit 1 */
+                 "rotcr   r1             \n"
+                 "mov.b   @%0,r0         \n"
+                 "add     %1,%0          \n"
+                 "tst     #0x02, r0      \n"  /* ~bit 1 */
+                 "rotcr   r1             \n"
+                 "mov.b   @%0,r0         \n"
+                 "add     %1,%0          \n"
+                 "tst     #0x02, r0      \n"  /* ~bit 1 */
+                 "rotcr   r1             \n"
+
+                 "shlr16  r1             \n"
+                 "shlr8   r1             \n"
+                 "not     r1,r1          \n"  /* account for negated bits */
+                 "mov.b   r1,@%2         \n"
+                 : /* outputs */
+                 : /* inputs */
+                 /* %0 */ "r"(scan.buf[0] + cnt),
+                 /* %1 */ "r"(256), /* scan.buf line length */
+                 /* %2 */ "r"(frameb++)
+                 : /* clobbers */
+                 "r0", "r1"
+             );
+#endif
+             balance -= 160;
+        }
+        cnt ++;
+    }
+    rb->lcd_update_rect(0, (scanline/2) & ~7, LCD_WIDTH, 8);
+#else /* LCD_HEIGHT != 64, iRiver */
+    if (scanline >= 128)
+          return;
+    scanline_remapped = scanline / 8;
+    frameb = rb->lcd_framebuffer + scanline_remapped * LCD_WIDTH;
+    while (cnt < 160) {
+        register unsigned scrbyte = 0;
+        if (scan.buf[0][cnt] & 0x02)  scrbyte |= 0x01;
+        if (scan.buf[1][cnt] & 0x02)  scrbyte |= 0x02;
+        if (scan.buf[2][cnt] & 0x02)  scrbyte |= 0x04;
+        if (scan.buf[3][cnt] & 0x02)  scrbyte |= 0x08;
+        if (scan.buf[4][cnt] & 0x02)  scrbyte |= 0x10;
+        if (scan.buf[5][cnt] & 0x02)  scrbyte |= 0x20;
+        if (scan.buf[6][cnt] & 0x02)  scrbyte |= 0x40;
+        if (scan.buf[7][cnt] & 0x02)  scrbyte |= 0x80;
+        *(frameb++) = scrbyte;
+        cnt++;
+    }
+    rb->lcd_update_rect(0, scanline & ~7, LCD_WIDTH, 8);
+#endif
+}
+
+void vid_end(void)
+{
+}
+
+long timerresult;
+
+void *sys_timer(void) 
+{
+   timerresult=*rb->current_tick;
+   return &timerresult;
+}
+
+// returns microseconds passed since sys_timer
+int sys_elapsed(long *oldtick) 
+{
+   return ((*rb->current_tick-(*oldtick))*1000000)/HZ;
+}
+
+void sys_sleep(int us)
+{
+  if (us <= 0) return;
+//  rb->sleep(HZ*us/1000000);
+}
diff --git a/apps/plugins/viewers.config b/apps/plugins/viewers.config
index 2290a8e635..08bd7ff939 100644
--- a/apps/plugins/viewers.config
+++ b/apps/plugins/viewers.config
@@ -6,6 +6,8 @@ rvf,video.rock,5D 7F 5D 7F 5D 7F
 mp3,vbrfix.rock,10 08 58 38 04 02
 m3u,search.rock,00 00 00 00 00 00
 txt,sort.rock, 00 00 00 00 00 00
+gb,rockboy.rock, 0C 2A 59 7A 2E 0C
+cgb,rockboy.rock, 0C 2A 59 7A 2E 0C
 mp2,mpa2wav.rock, 00 00 00 00 00 00
 mp3,mpa2wav.rock, 00 00 00 00 00 00
 ac3,a52towav.rock, 00 00 00 00 00 00