1 files changed, 137 insertions, 0 deletions

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;
+}