Port of Duke Nukem 3D

This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL
for Rockbox.

Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9

1 files changed, 61 insertions, 0 deletions

diff --git a/apps/plugins/sdl/src/audio/nds/sound9.c b/apps/plugins/sdl/src/audio/nds/sound9.c
new file mode 100644
index 0000000000..59c1c219ae
--- /dev/null
+++ b/apps/plugins/sdl/src/audio/nds/sound9.c
@@ -0,0 +1,61 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+#include "SDL_stdinc.h"
+
+#include "soundcommon.h"
+
+void SoundSystemInit(u32 rate,u32 buffersize,u8 channel,u8 format)
+{
+        soundsystem->rate = rate;
+        
+        if(format == 8) 
+                soundsystem->buffersize = buffersize;
+        else if(format == 16)
+                soundsystem->buffersize = buffersize * sizeof(short);
+
+        soundsystem->mixbuffer = (s8*)SDL_malloc(soundsystem->buffersize);
+        //soundsystem->soundbuffer = soundsystem->mixbuffer;
+        soundsystem->format = format;
+        soundsystem->channel = channel;
+        soundsystem->prevtimer = 0;
+        soundsystem->soundcursor = 0;
+        soundsystem->numsamples = 0;
+        soundsystem->period = 0x1000000 / rate;
+        soundsystem->cmd = INIT;
+}
+
+void SoundStartMixer(void)
+{
+        soundsystem->cmd |= MIX;
+}
+
+void SendCommandToArm7(u32 command)
+{
+    while (REG_IPC_FIFO_CR & IPC_FIFO_SEND_FULL);
+    if (REG_IPC_FIFO_CR & IPC_FIFO_ERROR)
+    {
+        REG_IPC_FIFO_CR |= IPC_FIFO_SEND_CLEAR;
+    } 
+    
+    REG_IPC_FIFO_TX = command;
+}