--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/audio/nds/soundcommon.h	Mon Jun 25 00:50:20 2007 +0000
@@ -0,0 +1,80 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 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"
+
+#ifndef __SOUNDCOMMON_H
+#define __SOUNDCOMMON_H
+
+#include <nds.h>
+
+#define CLOCK (1 << 25)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum
+{
+	NONE = 0,
+	INIT = 1,
+	MIX = 2,
+	MIXING = 4,
+	STOP = 8
+}CommandType;
+
+typedef enum
+{
+	FIFO_NONE = 0,
+	UPDATEON_ARM9 = 1,
+	MIXCOMPLETE_ONARM9 = 2,
+}FifoType; 
+
+typedef struct
+{
+	s8 *mixbuffer;//,*soundbuffer;
+	u32 rate;
+	u32 buffersize;
+	u32 cmd;
+	u8 channel,format;
+	u32 soundcursor,numsamples;
+	s32 prevtimer;
+	s16 period;
+}S_SoundSystem;
+
+#define soundsystem ((S_SoundSystem*)((u32)(IPC)+sizeof(TransferRegion)))
+
+#ifdef ARM9
+extern void SoundSystemInit(u32 rate,u32 buffersize,u8 channel,u8 format);
+extern void SoundStartMixer(void);
+extern void SendCommandToArm7(u32 command);
+#else
+extern void SoundVBlankIrq(void);
+extern void SoundSwapAndMix(void);
+extern void SoundSetTimer(int period);
+extern void SoundFifoHandler(void);
+extern void SendCommandToArm9(u32 command);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif