1 files changed, 79 insertions, 0 deletions
diff --git a/include/nitro/SND_exChannel_shared.h b/include/nitro/SND_exChannel_shared.h
index eb702f16..386e6ac8 100644
--- a/include/nitro/SND_exChannel_shared.h
+++ b/include/nitro/SND_exChannel_shared.h
@@ -22,4 +22,83 @@
 #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 {
+    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
+
+    void (*callback)(struct SNDExChannel *chn, u32 status, void *userData); // 0x48
+    void *callbackUserData; // 0x4C
+
+    struct SNDExChannel *channelLLNext; // 0x50
+};  // size = 0x54
+
 #endif //GUARD_SND_EXCHANNEL_SHARED_H