More MusyX structs from DWARF information

2023-02-18 20:27:24 -08:00 · 2023-02-18 20:27:24 -08:00 · a989dbd499
parent 5ac492b246
commit a989dbd499
10 changed files with 601 additions and 280 deletions
--- a/.gitignore
+++ b/.gitignore
@ -17,3 +17,4 @@ versions/
 build.ninja
 .ninja_deps
 .ninja_log
+dwarfD/
--- a/include/musyx/musyx.h
+++ b/include/musyx/musyx.h
@ -11,6 +11,7 @@ typedef signed short s16;
 typedef unsigned short u16;
 typedef signed long s32;
 typedef unsigned long u32;
+typedef unsigned long long u64;
 typedef float f32;
 typedef double f64;

--- a/include/musyx/musyx_priv.h
+++ b/include/musyx/musyx_priv.h
@ -7,83 +7,476 @@
 extern "C" {
 #endif

-typedef struct _SynthInfo {
-  u32 freq;
-  u32 _4;
-  u8 unk[0x208];
-  u8 voices;
-  u8 music;
-  u8 sfx;
-  u8 studios;
+typedef struct SND_STUDIO_INPUT {
+  // total size: 0x4
+  unsigned char vol;       // offset 0x0, size 0x1
+  unsigned char volA;      // offset 0x1, size 0x1
+  unsigned char volB;      // offset 0x2, size 0x1
+  unsigned char srcStudio; // offset 0x3, size 0x1
+} SND_STUDIO_INPUT;
+
+typedef struct synthInfo {
+  u32 mixFrq;
+  u32 numSamples;
+  SND_PLAYBACKINFO pbInfo;
+  u8 voiceNum;
+  u8 maxMusic;
+  u8 maxSFX;
+  u8 studioNum;
 } SynthInfo;

-typedef struct DSPVoice {
-  char data1[0x18];
-  u32 _18;
-  u32 priority;
-  u32 _20;
-  u32 flags[5];
-  char data2[0x70 - 0x38];
-  u16 sampleId;
-  u16 _72;
-  u32 _74;
-  u32 _78;
-  u32 _7c;
-  u32 _80;
-  u32 _84;
-  u32 _88;
-  u32 _8c;
-  u32 sampleType;
-  u32 _94;
-  u32 _98;
-  u32 _9c;
-  u32 _a0;
-  u8 _a4;
-  u8 _a5;
-  u8 _a6;
-  u8 _a7;
-  u32 _a8;
-  u32 _ac;
-  u32 _b0;
-  u32 _b4;
-  u32 _b8;
-  u32 _bc;
-  u16 _c0;
-  u16 _c2;
-  u32 _c4;
-  u32 _c8;
-  u32 _cc;
-  u32 _d0;
-  u32 _d4;
-  u32 _d8;
-  u32 _dc;
-  u32 _e0;
-  u8 _e4;
-  u8 _e5;
-  u8 _e6;
-  u8 _e7;
-  u32 _e8;
-  u8 status;
-  u8 _ed;
-  u8 breakSet;
-  u8 _ef;
-  u32 itdFlags;
-} DSPVoice;
+typedef struct ADSR_VARS {
+  u8 mode;
+  u8 state;
+  u32 cnt;
+  s32 currentVolume;
+  s32 currentIndex;
+  s32 currentDelta;

-typedef struct SND_VS {
-  u8 _0;
-  u8 _1;
-  u8 _2;
-  u8 _3;
-  u8 unk1[0x908 - 0x4];
-  u8 _908[64];
-  u16 _948;
-  u32 _94c;
-} SND_VS;
+  union data {
+    struct _dls {
+      u32 aTime;
+      u32 dTime;
+      u16 sLevel;
+      u32 rTime;
+      u16 cutOff;
+      u8 aMode;
+    } dls;

-extern SND_VS vs;
+    struct _linear {
+      u32 aTime;
+      u32 dTime;
+      u16 sLevel;
+      u32 rTime;
+    } linear;
+  } data;
+} ADSR_VARS;

-extern DSPVoice* dspVoice;
+typedef struct _PBMIX {
+  // total size: 0x24
+  unsigned short vL;          // offset 0x0, size 0x2
+  unsigned short vDeltaL;     // offset 0x2, size 0x2
+  unsigned short vR;          // offset 0x4, size 0x2
+  unsigned short vDeltaR;     // offset 0x6, size 0x2
+  unsigned short vAuxAL;      // offset 0x8, size 0x2
+  unsigned short vDeltaAuxAL; // offset 0xA, size 0x2
+  unsigned short vAuxAR;      // offset 0xC, size 0x2
+  unsigned short vDeltaAuxAR; // offset 0xE, size 0x2
+  unsigned short vAuxBL;      // offset 0x10, size 0x2
+  unsigned short vDeltaAuxBL; // offset 0x12, size 0x2
+  unsigned short vAuxBR;      // offset 0x14, size 0x2
+  unsigned short vDeltaAuxBR; // offset 0x16, size 0x2
+  unsigned short vAuxBS;      // offset 0x18, size 0x2
+  unsigned short vDeltaAuxBS; // offset 0x1A, size 0x2
+  unsigned short vS;          // offset 0x1C, size 0x2
+  unsigned short vDeltaS;     // offset 0x1E, size 0x2
+  unsigned short vAuxAS;      // offset 0x20, size 0x2
+  unsigned short vDeltaAuxAS; // offset 0x22, size 0x2
+} _PBMIX;
+
+typedef struct _PBITD {
+  // total size: 0xE
+  unsigned short flag;         // offset 0x0, size 0x2
+  unsigned short bufferHi;     // offset 0x2, size 0x2
+  unsigned short bufferLo;     // offset 0x4, size 0x2
+  unsigned short shiftL;       // offset 0x6, size 0x2
+  unsigned short shiftR;       // offset 0x8, size 0x2
+  unsigned short targetShiftL; // offset 0xA, size 0x2
+  unsigned short targetShiftR; // offset 0xC, size 0x2
+} _PBITD;
+
+typedef struct _PBUPDATE {
+  // total size: 0xE
+  unsigned short updNum[5]; // offset 0x0, size 0xA
+  unsigned short dataHi;    // offset 0xA, size 0x2
+  unsigned short dataLo;    // offset 0xC, size 0x2
+} _PBUPDATE;
+
+typedef struct _PBDPOP {
+  // total size: 0x12
+  unsigned short aL;     // offset 0x0, size 0x2
+  unsigned short aAuxAL; // offset 0x2, size 0x2
+  unsigned short aAuxBL; // offset 0x4, size 0x2
+  unsigned short aR;     // offset 0x6, size 0x2
+  unsigned short aAuxAR; // offset 0x8, size 0x2
+  unsigned short aAuxBR; // offset 0xA, size 0x2
+  unsigned short aS;     // offset 0xC, size 0x2
+  unsigned short aAuxAS; // offset 0xE, size 0x2
+  unsigned short aAuxBS; // offset 0x10, size 0x2
+} _PBDPOP;
+
+struct _PBVE {
+  // total size: 0x4
+  unsigned short currentVolume; // offset 0x0, size 0x2
+  unsigned short currentDelta;  // offset 0x2, size 0x2
+} _PBVE;
+
+typedef struct _PBFIR {
+  // total size: 0x6
+  unsigned short numCoefs; // offset 0x0, size 0x2
+  unsigned short coefsHi;  // offset 0x2, size 0x2
+  unsigned short coefsLo;  // offset 0x4, size 0x2
+} _PBFIR;
+
+typedef struct _PBADDR {
+  // total size: 0x10
+  unsigned short loopFlag;         // offset 0x0, size 0x2
+  unsigned short format;           // offset 0x2, size 0x2
+  unsigned short loopAddressHi;    // offset 0x4, size 0x2
+  unsigned short loopAddressLo;    // offset 0x6, size 0x2
+  unsigned short endAddressHi;     // offset 0x8, size 0x2
+  unsigned short endAddressLo;     // offset 0xA, size 0x2
+  unsigned short currentAddressHi; // offset 0xC, size 0x2
+  unsigned short currentAddressLo; // offset 0xE, size 0x2
+} _PBADDR;
+
+typedef struct _PBADPCM {
+  // total size: 0x28
+  unsigned short a[8][2];    // offset 0x0, size 0x20
+  unsigned short gain;       // offset 0x20, size 0x2
+  unsigned short pred_scale; // offset 0x22, size 0x2
+  unsigned short yn1;        // offset 0x24, size 0x2
+  unsigned short yn2;        // offset 0x26, size 0x2
+} _PDADPCM;
+
+struct _PBSRC {
+  // total size: 0xE
+  unsigned short ratioHi;            // offset 0x0, size 0x2
+  unsigned short ratioLo;            // offset 0x2, size 0x2
+  unsigned short currentAddressFrac; // offset 0x4, size 0x2
+  unsigned short last_samples[4];    // offset 0x6, size 0x8
+} _PBSRC;
+
+typedef struct _PBADPCMLOOP {
+  // total size: 0x6
+  unsigned short loop_pred_scale; // offset 0x0, size 0x2
+  unsigned short loop_yn1;        // offset 0x2, size 0x2
+  unsigned short loop_yn2;        // offset 0x4, size 0x2
+} _PBADPCMLOOP;
+
+typedef struct _PB {
+  // total size: 0xBC
+  unsigned short nextHi;         // offset 0x0, size 0x2
+  unsigned short nextLo;         // offset 0x2, size 0x2
+  unsigned short currHi;         // offset 0x4, size 0x2
+  unsigned short currLo;         // offset 0x6, size 0x2
+  unsigned short srcSelect;      // offset 0x8, size 0x2
+  unsigned short coefSelect;     // offset 0xA, size 0x2
+  unsigned short mixerCtrl;      // offset 0xC, size 0x2
+  unsigned short state;          // offset 0xE, size 0x2
+  unsigned short loopType;       // offset 0x10, size 0x2
+  struct _PBMIX mix;             // offset 0x12, size 0x24
+  struct _PBITD itd;             // offset 0x36, size 0xE
+  struct _PBUPDATE update;       // offset 0x44, size 0xE
+  struct _PBDPOP dpop;           // offset 0x52, size 0x12
+  struct _PBVE ve;               // offset 0x64, size 0x4
+  struct _PBFIR fir;             // offset 0x68, size 0x6
+  struct _PBADDR addr;           // offset 0x6E, size 0x10
+  struct _PBADPCM adpcm;         // offset 0x7E, size 0x28
+  struct _PBSRC src;             // offset 0xA6, size 0xE
+  struct _PBADPCMLOOP adpcmLoop; // offset 0xB4, size 0x6
+  unsigned short streamLoopCnt;  // offset 0xBA, size 0x2
+} _PB;
+
+typedef struct SAMPLE_INFO {
+  // total size: 0x20
+  u32 info;        // offset 0x0, size 0x4
+  void* addr;      // offset 0x4, size 0x4
+  void* extraData; // offset 0x8, size 0x4
+  u32 offset;      // offset 0xC, size 0x4
+  u32 length;      // offset 0x10, size 0x4
+  u32 loop;        // offset 0x14, size 0x4
+  u32 loopLength;  // offset 0x18, size 0x4
+  u8 compType;     // offset 0x1C, size 0x1
+} SAMPLE_INFO;
+
+typedef struct VSampleInfo {
+  // total size: 0xC
+  void* loopBufferAddr; // offset 0x0, size 0x4
+  u32 loopBufferLength; // offset 0x4, size 0x4
+  u8 inLoopBuffer;      // offset 0x8, size 0x1
+} VSampleInfo;
+
+typedef struct DSPvoice {
+  struct _PB* pb;
+  void* patchData;
+  void* itdBuffer;
+  struct DSPvoice* next;
+  struct DSPvoice* prev;
+  struct DSPvoice* nextAlien;
+  u32 mesgCallBackUserValue;
+  u32 prio;
+  u32 currentAddr;
+  u32 changed[5];
+  u32 pitch[5];
+  u16 volL;
+  u16 volR;
+  u16 volS;
+  u16 volLa;
+  u16 volRa;
+  u16 volSa;
+  u16 volLb;
+  u16 volRb;
+  u16 volSb;
+  u16 lastVolL;
+  u16 lastVolR;
+  u16 lastVolS;
+  u16 lastVolLa;
+  u16 lastVolRa;
+  u16 lastVolSa;
+  u16 lastVolLb;
+  u16 lastVolRb;
+  u16 lastVolSb;
+  u16 smp_id;
+  SAMPLE_INFO smp_info;
+  VSampleInfo vSampleInfo;
+  u8 streamLoopPS;
+  ADSR_VARS adsr;
+  u16 srcTypeSelect;
+  u16 srcCoefSelect;
+  u16 itdShiftL;
+  u16 itdShiftR;
+  u8 singleOffset;
+  struct {
+    u32 posHi;
+    u32 posLo;
+    u32 pitch;
+  } playInfo;
+
+  struct {
+    u8 pitch;
+    u8 vol;
+    u8 volA;
+    u8 volB;
+  } lastUpdate;
+
+  u32 virtualSampleID;
+  u8 state;
+  u8 postBreak;
+  u8 startupBreak;
+  u8 studio;
+  u32 flags;
+} DSPvoice;
+
+typedef struct VID_LIST {
+  struct VID_LIST* next;
+  struct VID_LIST* prev;
+  u32 vid;
+  u32 root;
+} VID_LIST;
+
+typedef enum {
+  MAC_STATE_RUNNABLE = 0,
+  MAC_STATE_YIELDED,
+  MAC_STATE_STOPPED,
+} MAC_STATE;
+
+typedef struct MSTEP {
+  u32 para[2];
+} MSTEP;
+
+typedef struct CALLSTACK {
+  struct MSTEP* addr;
+  struct MSTEP* curAddr;
+} CALLSTACK;
+
+typedef struct SYNTH_QUEUE {
+  struct SYNTH_QUEUE* next;
+  struct SYNTH_QUEUE* prev;
+  u8 voice;
+  u8 jobTabIndex;
+} SYNTH_QUEUE;
+
+typedef struct SYNTH_LFO {
+  u32 time;
+  u32 period;
+  s16 value;
+  s16 lastValue;
+} SYNTH_LFO;
+
+typedef struct CTRL_SOURCE {
+  u8 midiCtrl;
+  u8 combine;
+  long scale;
+} CTRL_SOURCE;
+
+typedef struct CTRL_DEST {
+  CTRL_SOURCE source[4];
+  u16 oldValue;
+  u8 numSource;
+} CTRL_DEST;
+
+struct SND_VIRTUALSAMPLE_INFO {
+  // total size: 0x14
+  unsigned short smpID;  // offset 0x0, size 0x2
+  unsigned short instID; // offset 0x2, size 0x2
+  union vsData {
+    struct vsUpdate {
+      // total size: 0x10
+      unsigned long off1; // offset 0x0, size 0x4
+      unsigned long len1; // offset 0x4, size 0x4
+      unsigned long off2; // offset 0x8, size 0x4
+      unsigned long len2; // offset 0xC, size 0x4
+    } update;
+  } data;
+} SND_VIRTUALSAMPLE_INFO;
+
+typedef struct VS_BUFFER {
+  // total size: 0x24
+  unsigned char state;                // offset 0x0, size 0x1
+  unsigned char hwId;                 // offset 0x1, size 0x1
+  unsigned char smpType;              // offset 0x2, size 0x1
+  unsigned char voice;                // offset 0x3, size 0x1
+  unsigned long last;                 // offset 0x4, size 0x4
+  unsigned long finalGoodSamples;     // offset 0x8, size 0x4
+  unsigned long finalLast;            // offset 0xC, size 0x4
+  struct SND_VIRTUALSAMPLE_INFO info; // offset 0x10, size 0x14
+} VS_BUFFER;
+
+typedef struct _VS {
+  // total size: 0x950
+  unsigned char numBuffers;          // offset 0x0, size 0x1
+  unsigned long bufferLength;        // offset 0x4, size 0x4
+  struct VS_BUFFER streamBuffer[64]; // offset 0x8, size 0x900
+  unsigned char voices[64];          // offset 0x908, size 0x40
+  unsigned short nextInstID;         // offset 0x948, size 0x2
+  unsigned long (*callback)(unsigned char,
+                            struct SND_VIRTUALSAMPLE_INFO*); // offset 0x94C, size 0x4
+} VS;
+
+extern VS vs;
+
+#pragma push
+#pragma pack(4)
+typedef struct SYNTH_VOICE {
+  SYNTH_QUEUE lowPrecisionJob;
+  SYNTH_QUEUE zeroOffsetJob; // offset 0xC, size 0xC
+  SYNTH_QUEUE eventJob;      // offset 0x18, size 0xC
+  u64 lastLowCallTime;
+  u64 lastZeroCallTime;
+  MSTEP* addr;
+  MSTEP* curAddr;
+  struct SYNTH_VOICE* nextMacActive;
+  struct SYNTH_VOICE* prevMacActive;
+  struct SYNTH_VOICE* nextTimeQueueMacro;
+  struct SYNTH_VOICE* prevTimeQueueMacro;
+  MAC_STATE state;
+  MSTEP* trapEventAddr[3];
+  MSTEP* trapEventCurAddr[3];
+  u8 trapEventAny;
+  CALLSTACK callStack[4];
+  u8 callStackEntryNum;
+  u8 callStackIndex;
+  u64 macStartTime;
+  u64 wait;
+  u64 waitTime;
+  u8 timeUsedByInput;
+  u16 loop;
+  long local_vars[16];
+  u32 child;
+  u32 parent;
+  u32 id;
+  VID_LIST* vidList;
+  VID_LIST* vidListMaster;
+  u16 allocId;
+  u16 macroId;
+  u8 keyGroup;
+  u32 lastVID;
+  u8 prio;
+  u16 ageSpeed;
+  u32 age;
+  u64 cFlags;
+  u8 block;
+  u8 fxFlag;
+  u8 vGroup;
+  u8 studio;
+  u8 track;
+  u8 midi;
+  u8 midiSet;
+  u8 section;
+  u32 sInfo;
+  u32 playFrq;
+  u16 curNote;
+  s8 curDetune;
+  u8 orgNote;
+  u8 lastNote;
+  u8 portType;
+  u16 portLastCtrlState;
+  u32 portDuration;
+  u32 portCurPitch;
+  u32 portTime;               // offset 0x13C, size 0x4
+  u8 vibKeyRange;             // offset 0x140, size 0x1
+  u8 vibCentRange;            // offset 0x141, size 0x1
+  u32 vibPeriod;              // offset 0x144, size 0x4
+  u32 vibCurTime;             // offset 0x148, size 0x4
+  long vibCurOffset;          // offset 0x14C, size 0x4
+  s16 vibModAddScale;         // offset 0x150, size 0x2
+  u32 volume;                 // offset 0x154, size 0x4
+  u32 orgVolume;              // offset 0x158, size 0x4
+  float lastVolFaderScale;    // offset 0x15C, size 0x4
+  u32 lastPan;                // offset 0x160, size 0x4
+  u32 lastSPan;               // offset 0x164, size 0x4
+  float treCurScale;          // offset 0x168, size 0x4
+  u16 treScale;               // offset 0x16C, size 0x2
+  u16 treModAddScale;         // offset 0x16E, size 0x2
+  u32 panning[2];             // offset 0x170, size 0x8
+  long panDelta[2];           // offset 0x178, size 0x8
+  u32 panTarget[2];           // offset 0x180, size 0x8
+  u32 panTime[2];             // offset 0x188, size 0x8
+  u8 revVolScale;             // offset 0x190, size 0x1
+  u8 revVolOffset;            // offset 0x191, size 0x1
+  u8 volTable;                // offset 0x192, size 0x1
+  u8 itdMode;                 // offset 0x193, size 0x1
+  long envDelta;              // offset 0x194, size 0x4
+  u32 envTarget;              // offset 0x198, size 0x4
+  u32 envCurrent;             // offset 0x19C, size 0x4
+  u32 sweepOff[2];            // offset 0x1A0, size 0x8
+  long sweepAdd[2];           // offset 0x1A8, size 0x8
+  long sweepCnt[2];           // offset 0x1B0, size 0x8
+  u8 sweepNum[2];             // offset 0x1B8, size 0x2
+  struct SYNTH_LFO lfo[2];    // offset 0x1BC, size 0x18
+  u8 lfoUsedByInput[2];       // offset 0x1D4, size 0x2
+  u8 pbLowerKeyRange;         // offset 0x1D6, size 0x1
+  u8 pbUpperKeyRange;         // offset 0x1D7, size 0x1
+  u16 pbLast;                 // offset 0x1D8, size 0x2
+  struct ADSR_VARS pitchADSR; // offset 0x1DC, size 0x28
+  s16 pitchADSRRange;         // offset 0x204, size 0x2
+  u16 curPitch;               // offset 0x206, size 0x2
+  struct setup {
+    u8 vol;                     // offset 0x0, size 0x1
+    u8 pan;                     // offset 0x1, size 0x1
+    u8 midi;                    // offset 0x2, size 0x1
+    u8 midiSet;                 // offset 0x3, size 0x1
+    u8 section;                 // offset 0x4, size 0x1
+    u8 track;                   // offset 0x5, size 0x1
+    u8 vGroup;                  // offset 0x6, size 0x1
+    u8 studio;                  // offset 0x7, size 0x1
+    u8 itdMode;                 // offset 0x8, size 0x1
+  } setup;                      // offset 0x208, size 0x9
+  u32 midiDirtyFlags;           // offset 0x214, size 0x4
+  CTRL_DEST inpVolume;          // offset 0x218, size 0x24
+  CTRL_DEST inpPanning;         // offset 0x23C, size 0x24
+  CTRL_DEST inpSurroundPanning; // offset 0x260, size 0x24
+  CTRL_DEST inpPitchBend;       // offset 0x284, size 0x24
+  CTRL_DEST inpDoppler;         // offset 0x2A8, size 0x24
+  CTRL_DEST inpModulation;      // offset 0x2CC, size 0x24
+  CTRL_DEST inpPedal;           // offset 0x2F0, size 0x24
+  CTRL_DEST inpPortamento;      // offset 0x314, size 0x24
+  CTRL_DEST inpPreAuxA;         // offset 0x338, size 0x24
+  CTRL_DEST inpReverb;          // offset 0x35C, size 0x24
+  CTRL_DEST inpPreAuxB;         // offset 0x380, size 0x24
+  CTRL_DEST inpPostAuxB;        // offset 0x3A4, size 0x24
+  CTRL_DEST inpTremolo;         // offset 0x3C8, size 0x24
+  u8 mesgNum;                   // offset 0x3EC, size 0x1
+  u8 mesgRead;                  // offset 0x3ED, size 0x1
+  u8 mesgWrite;                 // offset 0x3EE, size 0x1
+  long mesgQueue[4];            // offset 0x3F0, size 0x10
+  u16 curOutputVolume;          // offset 0x400, size 0x2
+} SYNTH_VOICE;
+#pragma pop
+extern SYNTH_VOICE* synthVoice;
+
+extern DSPvoice* dspVoice;
 typedef s32 (*SND_COMPARE)(u16*, u8*);

 void dataInit(u32, s32);                                       /* extern */
@ -135,7 +528,8 @@ void* salMalloc(u32 len);
 void salFree(void* addr);

 /* Stream */
-typedef s32 (*SND_STREAM_UPDATE_CALLBACK)(void * buffer1, u32 len1, void * buffer2, u32 len2, void* user);
+typedef s32 (*SND_STREAM_UPDATE_CALLBACK)(void* buffer1, u32 len1, void* buffer2, u32 len2,
+                                          void* user);
 typedef struct SND_STREAM_INFO {
  u32 x0_;
  u32 x4_;
--- a/include/musyx/synth.h
+++ b/include/musyx/synth.h
@ -6,31 +6,6 @@
 extern "C" {
 #endif

-typedef struct VoiceID VoiceID;
-
-struct VoiceID {
-  VoiceID* next;
-  VoiceID* prev;
-  s32 pubId;
-  s32 privId;
-};
-
-
-typedef struct SynthVoice {
-  char data1[0xf4];
-  u32 _f4;
-  VoiceID* voiceId;
-  char data2[0x18];
-  u32 _114[2];
-  u8 _11c;
-  u8 _11d;
-  u8 _11e;
-  u8 studio;
-  char data3[0x404 - 0x120];
-} SynthVoice;
-
-extern SynthVoice* synthVoice;
-
 typedef void (*SND_AUX_CALLBACK)(u8 reason, SND_AUX_INFO* info, void* user);

 extern SND_AUX_CALLBACK synthAuxACallback[8];
--- a/src/musyx/hardware.c
+++ b/src/musyx/hardware.c
@ -28,7 +28,7 @@ void snd_handle_irq() {

  for (i = 0; i < salNumVoices; ++i) {
    for (j = 0; j < 5; ++j) {
-      dspVoice[i].flags[j] = 0;
+      dspVoice[i].flags = 0;
    }
  }

@ -94,74 +94,67 @@ void hwSetTimeOffset(u8 offset) { salTimeOffset = offset; }

 u8 hwGetTimeOffset() { return salTimeOffset; }

-u32 hwIsActive(s32 idx) { return dspVoice[idx].status != 0; }
+u32 hwIsActive(s32 idx) { return dspVoice[idx].state != 0; }

 void hwSetMesgCallback(SND_MESSAGE_CALLBACK callback) { salMessageCallback = callback; }

-void hwSetPriority(s32 idx, s32 priority) { dspVoice[idx].priority = priority; }
+void hwSetPriority(s32 idx, s32 priority) { dspVoice[idx].prio = priority; }

-void hwInitSamplePlayback(s32 vid, u16 sampleId, u32* param_3, u32 param_4, u32 priority,
-                          u32 param_6, u32 param_7, u32 itdMode) {
-  u8 i;
-  u32 j;
-  u32 k;
-  s32 flags;
-  s32 tmpFlags;
-  u32* tmp;
-  u32 tmp2;
-  u32 tmp3;
-  flags = 0;
+void hwInitSamplePlayback(s32 v, u16 smpID, void* newsmp, u32 set_defadsr, u32 priority,
+                          u32 callbackUserValue, u32 setSRC, u32 itdMode) {
+  unsigned char i;  // r30
+  unsigned long bf; // r29
+  DSPvoice* voice;
+  bf = 0;
  for (i = 0; i <= salTimeOffset; ++i) {
-    tmpFlags = dspVoice[vid].flags[i];
-    dspVoice[vid].flags[i] = 0;
-    flags |= tmpFlags & 0x20;
+    bf |= dspVoice[v].changed[i] & 0x20;
+    dspVoice[v].changed[i] = 0;
  }

-  dspVoice[vid].flags[0] = flags;
-  dspVoice[vid].priority = priority;
-  dspVoice[vid]._18 = param_6;
-  dspVoice[vid].itdFlags = 0;
-  dspVoice[vid].sampleId = sampleId;
-  tmp = &dspVoice[vid]._74;
-  for (j = 4; j > 0; --j) {
-    tmp[0] = param_3[0];
-    tmp[1] = param_3[1];
-    tmp += 2;
-    param_3 += 2;
+  dspVoice[v].changed[0] = bf;
+  dspVoice[v].prio = priority;
+  dspVoice[v].mesgCallBackUserValue = callbackUserValue;
+  dspVoice[v].flags = 0;
+  dspVoice[v].smp_id = smpID;
+  voice = &dspVoice[v];
+  ((u32*)&voice->smp_info)[0] = ((u32*)newsmp)[0];
+  ((u32*)&voice->smp_info)[1] = ((u32*)newsmp)[1];
+  ((u32*)&voice->smp_info)[2] = ((u32*)newsmp)[2];
+  ((u32*)&voice->smp_info)[3] = ((u32*)newsmp)[3];
+  ((u32*)&voice->smp_info)[4] = ((u32*)newsmp)[4];
+  ((u32*)&voice->smp_info)[5] = ((u32*)newsmp)[5];
+  ((u32*)&voice->smp_info)[6] = ((u32*)newsmp)[6];
+  ((u32*)&voice->smp_info)[7] = ((u32*)newsmp)[7];
+  
+  if (set_defadsr != 0) {
+    dspVoice[v].adsr.mode = 0;
+    dspVoice[v].adsr.data.dls.aTime = 0;
+    dspVoice[v].adsr.data.dls.dTime = 0;
+    dspVoice[v].adsr.data.dls.sLevel = 0x7FFF;
+    dspVoice[v].adsr.data.dls.rTime = 0;
  }

-  if (param_4 != 0) {
-    dspVoice[vid]._a4 = 0;
-    dspVoice[vid]._b8 = 0;
-    dspVoice[vid]._bc = 0;
-    dspVoice[vid]._c0 = 0x7FFF;
-    dspVoice[vid]._c4 = 0;
+  dspVoice[v].lastUpdate.pitch = 0xff;
+  dspVoice[v].lastUpdate.vol = 0xff;
+  dspVoice[v].lastUpdate.volA = 0xff;
+  dspVoice[v].lastUpdate.volB = 0xff;
+
+  if (setSRC != 0) {
+    hwSetSRCType(v, 0);
+    hwSetPolyPhaseFilter(v, 1);
  }

-  dspVoice[vid]._e4 = 0xff;
-  dspVoice[vid]._e5 = 0xff;
-  dspVoice[vid]._e6 = 0xff;
-  dspVoice[vid]._e7 = 0xff;
-
-  if (param_7 != 0) {
-    hwSetSRCType(vid, 0);
-    hwSetPolyPhaseFilter(vid, 1);
-  }
-
-  hwSetITDMode(vid, itdMode);
+  hwSetITDMode(v, itdMode);
 }

 void hwBreak(s32 vid) {
-  if (dspVoice[vid].status == 1 && salTimeOffset == 0) {
-    dspVoice[vid].breakSet = 1;
+  if (dspVoice[vid].state == 1 && salTimeOffset == 0) {
+    dspVoice[vid].startupBreak = 1;
  }

-  dspVoice[vid].flags[salTimeOffset] |= 0x20;
+  // dspVoice[vid].flags[salTimeOffset] |= 0x20;
 }

-void hwSetADSR(s32 vid, u32 *param_2, u8 param_3) {
-}
+void hwSetADSR(s32 vid, u32* param_2, u8 param_3) {}

-void hwOff(s32 vid) {
-  salDeactivateVoice(&dspVoice[vid]);
-}
+void hwOff(s32 vid) { salDeactivateVoice(&dspVoice[vid]); }
--- a/src/musyx/hw_dolphin.c
+++ b/src/musyx/hw_dolphin.c
@ -77,7 +77,7 @@ u32 salInitAi(SND_SOME_CALLBACK callback, u32 unk, u32* outFreq) {
    userCallback = callback;
    AIRegisterDMACallback(salCallback);
    AIInitDMA(OSCachedToPhysical((u32)salAIBufferBase) + (salAIBufferIndex * 0x280), 0x280);
-    synthInfo._4 = 0x20;
+    synthInfo.numSamples = 0x20;
    *outFreq = 32000;
    return TRUE;
  }
--- a/src/musyx/snd_init.c
+++ b/src/musyx/snd_init.c
@ -22,21 +22,21 @@ s32 sndInit(u8 voices, u8 music, u8 sfx, u8 studios, u32 flags, u32 aramSize) {

  sndActive = 0;
  if (voices <= 64) {
-    synthInfo.voices = voices;
+    synthInfo.voiceNum = voices;
  } else {
-    synthInfo.voices = 64;
+    synthInfo.voiceNum = 64;
  }
  if (studios <= 8) {
-    synthInfo.studios = studios;
+    synthInfo.studioNum = studios;
  } else {
-    synthInfo.studios = 8;
+    synthInfo.studioNum = 8;
  }
  rate = 32000;
-  synthInfo.music = music;
-  synthInfo.sfx = sfx;
-  ret = hwInit(&rate, synthInfo.voices, synthInfo.studios, flags);
+  synthInfo.maxMusic = music;
+  synthInfo.maxSFX = sfx;
+  ret = hwInit(&rate, synthInfo.voiceNum, synthInfo.studioNum, flags);
  if (ret == 0) {
-    ret = DoInit(32000, aramSize, synthInfo.voices, flags);
+    ret = DoInit(32000, aramSize, synthInfo.voiceNum, flags);
  }
  return ret;
 }
@ -50,8 +50,8 @@ void sndQuit() {
 }

 void sndSetMaxVoices(u8 music, u8 sfx) {
-  ASSERT_MSG(music > synthInfo.voices, "Music voices are above maximum voice number.");
-  ASSERT_MSG(sfx > synthInfo.voices, "Sfx voices are above maximum voice number.");
-  synthInfo.music = music;
-  synthInfo.sfx = sfx;
+  ASSERT_MSG(music > synthInfo.voiceNum, "Music voices are above maximum voice number.");
+  ASSERT_MSG(sfx > synthInfo.voiceNum, "Sfx voices are above maximum voice number.");
+  synthInfo.maxMusic = music;
+  synthInfo.maxSFX = sfx;
 }
--- a/src/musyx/snd_midictrl.c
+++ b/src/musyx/snd_midictrl.c
@ -1,9 +1,19 @@
 #include "musyx/assert.h"
 #include "musyx/musyx_priv.h"
+
 #define SYNTH_FX_MIDISET 0xFF

-u32 inpGlobalMIDIDirtyFlags[8][16];
-s32 midi_ctrl;
+typedef struct CHANNEL_DEFAULTS {
+  unsigned char pbRange;
+} CHANNEL_DEFAULTS;
+
+static u8 fx_lastNote[64];
+static u8 midi_lastNote[8][16];
+static CHANNEL_DEFAULTS inpFXChannelDefaults[64];
+static u8 fx_ctrl[64][134];
+static CHANNEL_DEFAULTS inpChannelDefaults[8][16];
+static u8 midi_ctrl[8][16][134];
+static u32 inpGlobalMIDIDirtyFlags[8][16];

 inline bool GetGlobalFlagSet(u8 chan, u8 midiSet, s32 flag) {
  return (flag & inpGlobalMIDIDirtyFlags[midiSet][chan]) != 0;
@ -32,19 +42,50 @@ void inpSetGlobalMIDIDirtyFlag(u8 chan, u8 midiSet, s32 flag) {
  inpGlobalMIDIDirtyFlags[midiSet][chan] |= flag;
 }

-void inpSetRPNHi(u8 a, u8 b, u8 c) {
+void inpSetRPNHi(u8 set, u8 channel, u8 value) {
+  u16 rpn; // r28
+	u32 i; // r31
+	u8 range; // r29
  
+  if ((midi_ctrl[set][channel][100] | midi_ctrl[set][channel][101]) != 0) {
+    return;
+  }
+
+  inpChannelDefaults[set][channel].pbRange = value;
+
+  for (i = 0; i < synthInfo.voiceNum; ++i) {
+    if (set != synthVoice[i].midiSet || channel != synthVoice[i].midi){
+      continue;
+    }
+    synthVoice[i].pbUpperKeyRange = value;
+    synthVoice[i].pbLowerKeyRange = value;
+  }
 }

-void inpSetRPNLo(u8 a, u8 b, u8 c) {
-
-}
-
-void inpSetRPNDec(u8 a, u8 b) {
-  
-}
-
-
-void inpSetRPNInc(u8 a, u8 b) {
+void inpSetRPNLo(u8 a, u8 b, u8 c) {}

+void inpSetRPNDec(u8 a, u8 b) {}
+
+void inpSetRPNInc(u8 a, u8 b) {}
+
+void inpSetMidiCtrl(u8 ctrl, u8 channel, u8 set, u8 value) {
+	u32 i;
+  if (channel == 0xFF) {
+    return;
+  }
+
+  if (set != 0xFF) {
+    switch(ctrl) {
+      case 38:
+        inpSetRPNInc(0xFF, channel);
+        break;
+      case 97:
+        inpSetRPNInc(0xFF, channel);
+        break;
+      case 6:
+        inpSetRPNHi(0xff, channel, value);
+        break;        
+    }
+  } else {
+  }
 }
--- a/src/musyx/snd_synthapi.c
+++ b/src/musyx/snd_synthapi.c
@ -65,17 +65,9 @@ void sndMasterVolume(u8 volume, u16 time, u8 music, u8 fx) {
  hwEnableIrq();
 }

-static sndSwapVoices(u32* vals) {
-  u32 tmp = vals[0];
-  vals[0] = vals[1];
-  vals[1] = tmp | 0x2000;
-}
-
-#if NONMATCHING
-/* This function is nearly matching, relevant scratch: https://decomp.me/scratch/WY9Z1 */
 void sndOutputMode(SND_OUTPUTMODE output) {
  u32 i;
-  u32 oldSynthFlags = synthFlags;
+  u32 oldFlags = synthFlags;

  switch (output) {
  case SND_OUTPUTMODE_MONO:
@ -95,94 +87,15 @@ void sndOutputMode(SND_OUTPUTMODE output) {
    break;
  }

-  if (oldSynthFlags == synthFlags) {
+  if (oldFlags == synthFlags) {
    return;
  }

-  /* ???? */
-  for (i = 0; i < synthInfo.voices; ++i) {
-    sndSwapVoices((u32*)&synthVoice[i]._114);
+  for (i = 0; i < synthInfo.voiceNum; ++i) {
+    synthVoice[i].cFlags |= 0x0000200000000000;
  }
  streamOutputModeChanged();
 }
-#else
-/* clang-format off */
-#pragma push
-#pragma optimization_level 0
-#pragma optimizewithasm off
-asm void sndOutputMode(SND_OUTPUTMODE output) {
-  nofralloc
-/* 8039C448 003993A8  94 21 FF F0 */	stwu r1, -0x10(r1)
-/* 8039C44C 003993AC  7C 08 02 A6 */	mflr r0
-/* 8039C450 003993B0  2C 03 00 01 */	cmpwi r3, 1
-/* 8039C454 003993B4  90 01 00 14 */	stw r0, 0x14(r1)
-/* 8039C458 003993B8  93 E1 00 0C */	stw r31, 0xc(r1)
-/* 8039C45C 003993BC  83 ED AE 74 */	lwz r31, synthFlags
-/* 8039C460 003993C0  41 82 00 38 */	beq lbl_8039C498
-/* 8039C464 003993C4  40 80 00 10 */	bge lbl_8039C474
-/* 8039C468 003993C8  2C 03 00 00 */	cmpwi r3, 0
-/* 8039C46C 003993CC  40 80 00 14 */	bge lbl_8039C480
-/* 8039C470 003993D0  48 00 00 54 */	b lbl_8039C4C4
-lbl_8039C474:
-/* 8039C474 003993D4  2C 03 00 03 */	cmpwi r3, 3
-/* 8039C478 003993D8  40 80 00 4C */	bge lbl_8039C4C4
-/* 8039C47C 003993DC  48 00 00 34 */	b lbl_8039C4B0
-lbl_8039C480:
-/* 8039C480 003993E0  63 E0 00 01 */	ori r0, r31, 1
-/* 8039C484 003993E4  90 0D AE 74 */	stw r0, synthFlags
-/* 8039C488 003993E8  54 00 07 FA */	rlwinm r0, r0, 0, 0x1f, 0x1d
-/* 8039C48C 003993EC  90 0D AE 74 */	stw r0, synthFlags
-/* 8039C490 003993F0  48 01 7A 8D */	bl hwDisableHRTF
-/* 8039C494 003993F4  48 00 00 30 */	b lbl_8039C4C4
-lbl_8039C498:
-/* 8039C498 003993F8  57 E3 00 3C */	rlwinm r3, r31, 0, 0, 0x1e
-/* 8039C49C 003993FC  57 E0 00 3A */	rlwinm r0, r31, 0, 0, 0x1d
-/* 8039C4A0 00399400  90 6D AE 74 */	stw r3, synthFlags
-/* 8039C4A4 00399404  90 0D AE 74 */	stw r0, synthFlags
-/* 8039C4A8 00399408  48 01 7A 75 */	bl hwDisableHRTF
-/* 8039C4AC 0039940C  48 00 00 18 */	b lbl_8039C4C4
-lbl_8039C4B0:
-/* 8039C4B0 00399410  57 E0 00 3C */	rlwinm r0, r31, 0, 0, 0x1e
-/* 8039C4B4 00399414  90 0D AE 74 */	stw r0, synthFlags
-/* 8039C4B8 00399418  60 00 00 02 */	ori r0, r0, 2
-/* 8039C4BC 0039941C  90 0D AE 74 */	stw r0, synthFlags
-/* 8039C4C0 00399420  48 01 7A 5D */	bl hwDisableHRTF
-lbl_8039C4C4:
-/* 8039C4C4 00399424  80 0D AE 74 */	lwz r0, synthFlags
-/* 8039C4C8 00399428  7C 1F 00 40 */	cmplw r31, r0
-/* 8039C4CC 0039942C  41 82 00 54 */	beq lbl_8039C520
-/* 8039C4D0 00399430  3C 60 80 55 */	lis r3, synthInfo@ha
-/* 8039C4D4 00399434  38 E0 00 00 */	li r7, 0
-/* 8039C4D8 00399438  38 A3 00 50 */	addi r5, r3, synthInfo@l
-/* 8039C4DC 0039943C  38 C0 00 00 */	li r6, 0
-/* 8039C4E0 00399440  48 00 00 30 */	b lbl_8039C510
-lbl_8039C4E4:
-/* 8039C4E4 00399444  80 6D AE 78 */	lwz r3, synthVoice
-/* 8039C4E8 00399448  38 06 01 14 */	addi r0, r6, 0x114
-/* 8039C4EC 0039944C  38 C6 04 04 */	addi r6, r6, 0x404
-/* 8039C4F0 00399450  38 E7 00 01 */	addi r7, r7, 1
-/* 8039C4F4 00399454  7C 83 02 14 */	add r4, r3, r0
-/* 8039C4F8 00399458  7C 63 02 14 */	add r3, r3, r0
-/* 8039C4FC 0039945C  80 04 00 00 */	lwz r0, 0(r4)
-/* 8039C500 00399460  80 84 00 04 */	lwz r4, 4(r4)
-/* 8039C504 00399464  60 00 20 00 */	ori r0, r0, 0x2000
-/* 8039C508 00399468  90 83 00 04 */	stw r4, 4(r3)
-/* 8039C50C 0039946C  90 03 00 00 */	stw r0, 0(r3)
-lbl_8039C510:
-/* 8039C510 00399470  88 05 02 10 */	lbz r0, 0x210(r5)
-/* 8039C514 00399474  7C 07 00 40 */	cmplw r7, r0
-/* 8039C518 00399478  41 80 FF CC */	blt lbl_8039C4E4
-/* 8039C51C 0039947C  48 00 12 81 */	bl streamOutputModeChanged
-lbl_8039C520:
-/* 8039C520 00399480  80 01 00 14 */	lwz r0, 0x14(r1)
-/* 8039C524 00399484  83 E1 00 0C */	lwz r31, 0xc(r1)
-/* 8039C528 00399488  7C 08 03 A6 */	mtlr r0
-/* 8039C52C 0039948C  38 21 00 10 */	addi r1, r1, 0x10
-/* 8039C530 00399490  4E 80 00 20 */	blr
-}
-#pragma pop
-/* clang-format on */
-#endif

 // clang-format off
 void sndSetAuxProcessingCallbacks(u8 studio, 
@ -233,10 +146,10 @@ void synthActivateStudio(u8 studio, u32 arg1, u32 arg2) {

 void synthDeactivateStudio(u8 studio) {
  u32 i;
-  for (i = 0; i < synthInfo.voices; ++i) {
+  for (i = 0; i < synthInfo.voiceNum; ++i) {
    if (studio == synthVoice[i].studio) {
-      if (synthVoice[i]._f4 != 0xFFFFFFFF) {
-        voiceKillSound(synthVoice[i].voiceId->pubId);
+      if (synthVoice[i].id != 0xFFFFFFFF) {
+        voiceKillSound(synthVoice[i].vidList->vid);
      } else if (hwIsActive(i)) {
        hwOff(i);
      }
@ -251,7 +164,10 @@ void synthDeactivateStudio(u8 studio) {
  hwDeactivateStudio(studio);
 }

-/* TODO: Figure out what `unk` is */
-bool synthAddStudioInput(u8 studio, void* unk) { return hwAddInput(studio, unk); }
+bool synthAddStudioInput(u8 studio, SND_STUDIO_INPUT* in_desc) {
+  return hwAddInput(studio, in_desc);
+}

-bool synthRemoveStudioInput(u8 studio, void* unk) { return hwRemoveInput(studio, unk); }
+bool synthRemoveStudioInput(u8 studio, SND_STUDIO_INPUT* in_desc) {
+  return hwRemoveInput(studio, in_desc);
+}
--- a/src/musyx/synth_ac.c
+++ b/src/musyx/synth_ac.c
@ -66,5 +66,5 @@ u32 sndGetPitch(u8 arg0, u32 arg1) {
                     ? (f32)((arg1 & 0xFFFFFF) * (temp_r6 < arg0 ? toneup_tab[(arg0 - temp_r6)]
                                                                 : tonedown_tab[temp_r6 - arg0]))
                     : (f32)(arg1 & 0xFFFFFF));
-  return pitch / synthInfo.freq;
+  return pitch / synthInfo.mixFrq;
 }