1 files changed, 114 insertions, 0 deletions
diff --git a/include/nitro/SND_exChannel_shared.h b/include/nitro/SND_exChannel_shared.h
new file mode 100644
index 00000000..8c01b5cc
--- /dev/null
+++ b/include/nitro/SND_exChannel_shared.h
@@ -0,0 +1,114 @@
+#ifndef GUARD_SND_EXCHANNEL_SHARED_H
+#define GUARD_SND_EXCHANNEL_SHARED_H
+
+#include "nitro/types.h"
+
+#define SND_ENV_ATTACK 0
+#define SND_ENV_DECAY 1
+#define SND_ENV_SUSTAIN 2
+#define SND_ENV_RELEASE 3
+
+#define SND_CHN_TYPE_PCM 0
+#define SND_CHN_TYPE_PSG 1
+#define SND_CHN_TYPE_NOISE 2
+
+#define SND_CHN_SYNC_START 0x1
+#define SND_CHN_SYNC_STOP 0x2
+#define SND_CHN_SYNC_TIMER 0x4
+#define SND_CHN_SYNC_VOLUME 0x8
+#define SND_CHN_SYNC_PAN 0x10
+
+#define SND_LFO_PITCH 0
+#define SND_LFO_VOLUME 1
+#define SND_LFO_PAN 2
+
+struct SNDWaveParam
+{
+    u8 format; // 0x0
+    u8 loopEnabled; // 0x1
+    u16 samplerate; // 0x2
+    u16 timer; // 0x4
+    u16 loopStart; // 0x6
+    u32 loopLength; // 0x8
+}; // size = 0xC
+
+struct SNDLfoParam
+{
+    u8 target; // 0x0
+    u8 speed; // 0x1
+    u8 depth; // 0x2
+    u8 range; // 0x3
+    u16 delay; // 0x4
+}; // size = 0x6
+
+struct SNDLfo
+{
+    struct SNDLfoParam param; // 0x0
+    u16 delayCounter; // 0x6
+    u16 counter; // 0x8
+}; // size = 0xA
+
+struct SNDExChannel;
+
+typedef void (*SNDExChannelCallback)(struct SNDExChannel *chn, int status, void *userData);
+
+struct SNDExChannel
+{
+    u8 id; // 0x00
+    u8 type; // 0x01
+    u8 envStatus; // 0x02
+
+    struct
+    {
+        u8 active : 1;
+        u8 start : 1;
+        u8 autoSweep : 1;
+        u8 syncFlag : 5;
+    } flags; // 0x03
+
+    u8 panRange; // 0x04
+    u8 rootMidiKey; // 0x05
+    s16 userDecay2; // 0x06
+
+    u8 midiKey; // 0x08
+    u8 velocity; // 0x09
+    s8 initPan; // 0x0A
+    s8 userPan; // 0x0B
+
+    s16 userDecay; // 0x0C
+    s16 userPitch; // 0x0E
+
+    s32 envAttenuation; // 0x10
+    s32 sweepCounter; // 0x14
+    s32 sweepLength; // 0x18
+
+    u8 envAttack; // 0x1C
+    u8 envSustain; // 0x1D
+    u16 envDecay; // 0x1E
+    u16 envRelease; // 0x20
+    u8 priority; // 0x22
+    u8 pan; // 0x23
+    u16 volume; // 0x24
+    u16 timer; // 0x26
+
+    struct SNDLfo lfo; // 0x28
+
+    s16 sweepPitch; // 0x32
+
+    s32 length; // 0x34
+
+    struct SNDWaveParam waveParam; // 0x38
+
+    union
+    {
+        const void *waveDataPtr;
+        s32 dutyCycle;
+    }; // 0x44
+
+    SNDExChannelCallback callback; // 0x48
+    void *callbackUserData; // 0x4C
+
+    struct SNDExChannel *channelLLNext; // 0x50
+}; // size = 0x54
+
+#endif // GUARD_SND_EXCHANNEL_SHARED_H