musyx/runtime/synth progress

include/musyx/musyx_priv.h

@@ -10,6 +10,10 @@
 extern "C" {
 #endif
 
+#define CLAMP(value, min, max) ((value) > (max) ? (max) : (value) < (min) ? (min) : (value))
+// TODO matching hack
+#define CLAMP_INV(value, min, max) ((value) < (min) ? (min) : (value) > (max) ? (max) : (value))
+
 typedef struct SYNTH_VOICELIST {
   // total size: 0x4
   u8 prev;  // offset 0x0, size 0x1
@@ -862,6 +866,9 @@ u32 dataInsertLayer(u16 cid, void* layerdata, u16 size);
 u32 dataRemoveLayer(u16 sid);
 u32 dataInsertFX(u16 gid, FX_TAB* fx, u16 fxNum);
 FX_TAB* dataGetFX(u16 fid);
+void* dataGetLayer(u16 cid, u16* n);
+void* dataGetKeymap(u16 cid);
+
 s32 hwInit(u32* frq, u16 numVoices, u16 numStudios, u32 flags); /* extern */
 void hwInitSamplePlayback(u32 v, u16 smpID, void* newsmp, u32 set_defadsr, u32 prio,
                           u32 callbackUserValue, u32 setSRC, u8 itdMode);
@@ -886,6 +893,7 @@ void synthInit(u32, u8); /* extern */
 void synthSetBpm(u32 pbm, u8 set, u8 section);
 void synthFXCloneMidiSetup(SYNTH_VOICE* dest, SYNTH_VOICE* src);
 void synthSetMusicVolumeType(u8 vGroup, u8 type);
+void synthAddJob(SYNTH_VOICE* svoice, SYNTH_JOBTYPE jobType, u32 deltaTime);
 
 extern s32 synthGlobalVariable[16];
 extern u16 voicePrioSortRootListRoot;
@@ -895,6 +903,9 @@ extern u8 voiceListInsert;
 extern u8 voiceListRoot;
 void voiceSetPriority(SYNTH_VOICE* svoice, u8 prio);
 u32 voiceIsLastStarted(SYNTH_VOICE* svoice);
+void voiceSetLastStarted(SYNTH_VOICE* svoice);
+void voiceResetLastStarted(SYNTH_VOICE* svoice);
+void voiceInitLastStarted();
 s32 voiceKillSound(u32 voiceid);
 
 extern u64 synthRealTime;
@@ -923,6 +934,7 @@ u8 hwInitStream(u32 len);
 s16 varGet(SYNTH_VOICE* svoice, u32 ctrl, u8 index);
 
 u32 sndGetPitch(u8 key, u32 sInfo);
+s32 sndPitchUpOne(u16 note);
 extern SND_HOOKS salHooks;
 extern u8 sndActive;
 extern u8 synthIdleWaitActive;
@@ -1033,6 +1045,9 @@ void inpSetMidiLastNote(u8 midi, u8 midiSet, u8 key);
 u16 inpGetModulation(SYNTH_VOICE* svoice);
 void inpResetMidiCtrl(u8 ch, u8 set, u32 coldReset);
 void inpResetChannelDefaults(u8 midi, u8 midiSet);
+u16 inpGetPitchBend(SYNTH_VOICE* svoice);
+u16 inpGetDoppler(SYNTH_VOICE* svoice);
+
 /* TODO: Figure out what `unk` is */
 void hwSetSRCType(u32 v, u8 salSRCType);
 void hwSetITDMode(u32 v, u8 mode);
@@ -1066,6 +1081,12 @@ void sndProfUpdateMisc(SND_PROFILE_INFO* info);
 void sndProfResetPMC(SND_PROFILE_DATA* info);
 void sndProfStartPMC(SND_PROFILE_DATA* info);
 
+void vidRemoveVoiceReferences(SYNTH_VOICE* svoice);
+u32 vidMakeNew(SYNTH_VOICE* svoice, u32 isMaster);
+u32 vidMakeRoot(SYNTH_VOICE* svoice);
+
+u32 adsrHandleLowPrecision(ADSR_VARS* adsr, u16* adsr_start, u16* adsr_delta);
+
 #ifdef __cplusplus
 }
 #endif

src/musyx/runtime/seq.c

@@ -1082,8 +1082,6 @@ static SEQ_EVENT* GetGlobalEvent(SEQ_SECTION* section) {
   return ev;
 }
 
-#define Clamp(value, min, max) ((value) > (max) ? (max) : (value) < (min) ? (min) : (value))
-
 static SEQ_EVENT* HandleEvent(SEQ_EVENT* event, u8 secIndex, u32* loopFlag) {
   CPAT* pa;          // r26
   NOTE_DATA* pe;     // r24
@@ -1169,10 +1167,10 @@ static SEQ_EVENT* HandleEvent(SEQ_EVENT* event, u8 secIndex, u32* loopFlag) {
     if ((cseq->trackMute[event->trackId / 32] & (1 << (event->trackId & 0x1f))) != 0) {
       if ((macId = cseq->prgState[midi].macId) != 0xffff) {
         key += pa->patternInfo->transpose;
-        key = Clamp(key, 0, 0x7f);
+        key = CLAMP(key, 0, 0x7f);
 
         velocity += pa->patternInfo->velocityAdd;
-        velocity = Clamp(velocity, 0, 0x7f);
+        velocity = CLAMP(velocity, 0, 0x7f);
 
         if ((note = AllocateNote(event->time + pe->length, secIndex)) != NULL) {
           if ((note->id = synthStartSound(

src/musyx/runtime/synth.c

@@ -5,7 +5,7 @@ static u32 synthTicksPerSecond[9][16];
 static SYNTH_JOBTAB synthJobTable[32];
 CTRL_DEST inpAuxA[8][4];
 CTRL_DEST inpAuxB[8][4];
-long synthGlobalVariable[16];
+s32 synthGlobalVariable[16];
 synthITDInfo synthITDDefault[8];
 void* synthAuxBUser[8];
 SND_AUX_CALLBACK synthAuxBCallback[8];
@@ -85,7 +85,53 @@ static u32 do_voice_portamento(u8 key, u8 midi, u8 midiSet, u32 isMaster, u32* r
   u32 id;                     // r27
   SYNTH_VOICE* sv;            // r31
   SYNTH_VOICE* last_sv;       // r28
-  u32 legatoVoiceIsStarting; // r26
+  bool legatoVoiceIsStarting; // r26
+
+  legatoVoiceIsStarting = FALSE;
+  vid = SND_ID_ERROR;
+
+  for (i = 0, sv = synthVoice; i < synthInfo.voiceNum; ++i, ++sv) {
+    if (sv->id != SND_ID_ERROR && sv->midi == midi && sv->midiSet == midiSet) {
+      if ((sv->cFlags & 2) != 0) {
+        legatoVoiceIsStarting = TRUE;
+      }
+      if ((sv->cFlags & 0x10) != 0 && (sv->cFlags & 0x10000000008) != 0x8 && hwIsActive(i)) {
+        if (vid == SND_ID_ERROR && (sv->cFlags & 0x20002) == 0x20002) {
+          *rejected = TRUE;
+          return SND_ID_ERROR;
+        }
+        last_sv = sv;
+        sv->portCurPitch = (sv->curNote * 65536) + (sv->curDetune * 65536) / 100;
+        sv->lastNote = sv->curNote;
+        sv->curNote = key + ((sv->curNote & 0xff) - sv->orgNote);
+        sv->orgNote = key;
+        sv->curDetune = 0;
+        sv->portTime = 0;
+        sv->cFlags |= 0x20000;
+        vidRemoveVoiceReferences(&synthVoice[i]);
+        if (vid == SND_ID_ERROR) {
+          sv->child = SND_ID_ERROR;
+          sv->parent = SND_ID_ERROR;
+          vid = vidMakeNew(&synthVoice[i], isMaster);
+          id = sv->id;
+        } else {
+          synthVoice[id & 0xff].child = sv->id;
+          sv->parent = id;
+          id = sv->id;
+          vidMakeNew(&synthVoice[i], FALSE);
+        }
+      }
+    }
+  }
+
+  if (vid != SND_ID_ERROR) {
+    voiceSetLastStarted(last_sv);
+    inpSetMidiLastNote(last_sv->midi, last_sv->midiSet, last_sv->curNote);
+    *rejected = FALSE;
+  } else {
+    *rejected = legatoVoiceIsStarting;
+  }
+  return vid;
 }
 
 static u32 check_portamento(u8 key, u8 midi, u8 midiSet, u32 newVID, u32* vid) {
@@ -99,6 +145,10 @@ static u32 check_portamento(u8 key, u8 midi, u8 midiSet, u32 newVID, u32* vid) {
   return 1;
 }
 
+static u32 StartKeymap(u16 keymapID, s16 prio, u8 maxVoices, u16 allocId, u8 key, u8 vol,
+                       u8 panning, u8 midi, u8 midiSet, u8 section, u16 step, u16 trackid,
+                       u32 vidFlag, u8 vGroup, u8 studio, u32 itd);
+
 static u32 StartLayer(u16 layerID, s16 prio, u8 maxVoices, u16 allocId, u8 key, u8 vol, u8 panning,
                       u8 midi, u8 midiSet, u8 section, u16 step, u16 trackid, u32 vidFlag,
                       u8 vGroup, u8 studio, u32 itd) {
@@ -107,33 +157,178 @@ static u32 StartLayer(u16 layerID, s16 prio, u8 maxVoices, u16 allocId, u8 key,
   u32 new_id; // r1+0x34
   u32 id;     // r27
   LAYER* l;   // r31
-  long p;     // r30
+  s32 p;      // r30
-  long k;     // r29
+  s32 k;      // r29
   u8 v;       // r25
   u8 mKey;    // r24
+
+  vid = SND_ID_ERROR;
+  if ((l = dataGetLayer(layerID, &n)) == NULL) {
+    goto end;
+  }
+
+  mKey = key & 0x7f;
+  for (; n != 0; --n, ++l) {
+    if (l->id == 0xffff || l->keyLow > mKey || l->keyHigh < mKey) {
+      continue;
+    }
+
+    k = mKey + l->transpose;
+    k = CLAMP(k, 0, 127);
+
+    if ((l->id & 0xC000) == 0) {
+      if (check_portamento(k, midi, midiSet, vidFlag, &new_id)) {
+        if (new_id != 0xFFFFFFFF) {
+          goto apply_new_id;
+        } else {
+          goto start_new_id;
+        }
+      }
+      continue;
+    }
+
+  start_new_id:
+    if ((l->panning & 0x80) == 0) {
+      p = l->panning - 0x40;
+      p += panning;
+      // TODO
+      // p = CLAMP(p, 0, 0x7f);
+      p = CLAMP_INV(p, 0, 0x7f);
+    } else {
+      p = 0x80;
+    }
+
+    v = (vol * l->volume) / 0x7f;
+    prio += l->prioOffset;
+    prio = CLAMP(prio, 0, 0xff);
+
+    switch (l->id & 0xC000) {
+    case 0:
+      new_id = macStart(l->id, prio, maxVoices, allocId, k | key & 0x80, v, p, midi, midiSet,
+                        section, step, trackid, 0, vGroup, studio, itd);
+      break;
+    case 0x4000:
+      new_id = StartKeymap(l->id, prio, maxVoices, allocId, k | key & 0x80, v, p, midi, midiSet,
+                           section, step, trackid, 0, vGroup, studio, itd);
+      break;
+    case 0x8000:
+      new_id = StartLayer(l->id, prio, maxVoices, allocId, k | key & 0x80, v, p, midi, midiSet,
+                          section, step, trackid, 0, vGroup, studio, itd);
+      break;
+    }
+
+    if (new_id != SND_ID_ERROR) {
+    apply_new_id:
+      if (vid == SND_ID_ERROR) {
+        if (vidFlag != 0) {
+          vid = vidMakeRoot(&synthVoice[new_id & 0xff]);
+        } else {
+          vid = new_id;
+        }
+      } else {
+        synthVoice[id & 0xff].child = new_id;
+        synthVoice[new_id & 0xff].parent = id;
+      }
+      id = new_id;
+      while (synthVoice[id & 0xff].child != SND_ID_ERROR) {
+        id = synthVoice[id & 0xff].child;
+      }
+    }
+  }
+
+end:
+  return vid;
 }
 
 static u32 StartKeymap(u16 keymapID, s16 prio, u8 maxVoices, u16 allocId, u8 key, u8 vol,
                        u8 panning, u8 midi, u8 midiSet, u8 section, u16 step, u16 trackid,
                        u32 vidFlag, u8 vGroup, u8 studio, u32 itd) {
   u8 o;           // r30
-  struct KEYMAP* keymap; // r31
+  KEYMAP* keymap; // r31
-  long p;                // r26
+  s32 p;          // r26
-  long k;                // r29
+  s32 k;          // r29
   u32 vid;        // r1+0x34
+
+  if ((keymap = dataGetKeymap(keymapID)) != NULL) {
+    o = key & 0x7f;
+    if (keymap[o].id != 0xffff && (keymap[o].id & 0xc000) != 0x4000) {
+      if ((keymap[o].panning & 0x80) == 0) {
+        p = (keymap[key].panning - 0x40);
+        p += panning;
+        if (p < 0) {
+          panning = 0;
+        } else if (p > 0x7f) {
+          panning = 0x7f;
+        } else {
+          panning = p;
+        }
+      } else {
+        panning = 0x80;
+      }
+
+      k = (key & 0x7f) + keymap[o].transpose;
+      k = CLAMP(k, 0, 127);
+
+      prio += keymap[o].prioOffset;
+      prio = CLAMP(prio, 0, 0xff);
+
+      if ((keymap[o].id & 0xc000) == 0) {
+        if (!check_portamento(k & 0xff, midi, midiSet, vidFlag, &vid)) {
+          return 0xffffffff;
+        }
+        if (vid != 0xffffffff) {
+          return vid;
+        }
+        return macStart(keymap[o].id, prio, maxVoices, allocId, k | key & 0x80, vol, panning, midi,
+                        midiSet, section, step, trackid, vidFlag, vGroup, studio, itd);
+      }
+
+      return StartLayer(keymap[o].id, prio, maxVoices, allocId, k | key & 0x80, vol, panning, midi,
+                        midiSet, section, step, trackid, vidFlag & 0xff, vGroup, studio, itd);
+    }
+  }
+
+  return SND_ID_ERROR;
 }
 
-#pragma dont_inline on
 u32 synthStartSound(u16 id, u8 prio, u8 max, u8 key, u8 vol, u8 panning, u8 midi, u8 midiSet,
                     u8 section, u16 step, u16 trackid, u8 vGroup, s16 prioOffset, u8 studio,
                     u32 itd) {
   u32 vid; // r1+0x34
+
+  prio += prioOffset;
+  prio = CLAMP(prio, 0, 0xff);
+
+  switch (id & 0xC000) {
+  case 0:
+    if (!check_portamento(key, midi, midiSet, 1, &vid)) {
+      return 0xffffffff;
+    }
+    if (vid != 0xffffffff) {
+      return vid;
+    }
+    return macStart(id, prio, max, id, key, vol, panning, midi, midiSet, section, step, trackid, 1,
+                    vGroup, studio, itd);
+  case 0x4000:
+    return StartKeymap(id, prio, max, id, key, vol, panning, midi, midiSet, section, step, trackid,
+                       1, vGroup, studio, itd);
+  case 0x8000:
+    return StartLayer(id, prio, max, id, key, vol, panning, midi, midiSet, section, step, trackid,
+                      1, vGroup, studio, itd);
+  default:
+    return SND_ID_ERROR;
+  }
 }
-#pragma dont_inline reset
 
 static u32 convert_cents(SYNTH_VOICE* svoice, u32 ccents) {
-  unsigned long curDetune; // r30
+  u32 curDetune; // r30
-  unsigned long cpitch;    // r31
+  u32 cpitch;    // r31
+
+  cpitch = sndGetPitch(ccents / 65536, svoice->sInfo) * 65536;
+  if ((curDetune = ccents & 0xffff) != 0) {
+    cpitch += curDetune * ((sndPitchUpOne(cpitch / 65536) & 0xffff) - (cpitch / 65536 & 0xffff));
+  }
+  return cpitch;
 }
 
 static void UpdateTimeMIDICtrl(SYNTH_VOICE* sv) {
@@ -145,42 +340,174 @@ static void UpdateTimeMIDICtrl(SYNTH_VOICE* sv) {
   sv->midiDirtyFlags = 0x1fff;
 }
 
-static void LowPrecisionHandler(unsigned long i) {
+static void LowPrecisionHandler(u32 i) {
-  unsigned long j;            // r30
+  u32 j;            // r30
-  long pbend;                 // r29
+  s32 pbend;        // r29
-  unsigned long ccents;       // r28
+  u32 ccents;       // r28
-  unsigned long cpitch;       // r26
+  u32 cpitch;       // r26
-  unsigned short Modulation;  // r24
+  u16 Modulation;   // r24
-  unsigned short portamento;  // r25
+  u16 portamento;   // r25
-  unsigned long lowDeltaTime; // r27
+  u32 lowDeltaTime; // r27
-  struct SYNTH_VOICE* sv;     // r31
+  SYNTH_VOICE* sv;  // r31
-  unsigned long cntDelta;     // r20
+  u32 cntDelta;     // r20
-  unsigned long addFactor;    // r19
+  u32 addFactor;    // r19
-  unsigned short adsr_start;  // r1+0xE
+  u16 adsr_start;   // r1+0xE
-  unsigned short adsr_delta;  // r1+0xC
+  u16 adsr_delta;   // r1+0xC
-  long vrange;                // r23
+  s32 vrange;       // r23
-  long voff;                  // r22
+  s32 voff;         // r22
+
+  sv = &synthVoice[i];
+  if (!hwIsActive(i) && sv->addr == NULL) {
+    goto end;
+  }
+
+  lowDeltaTime = synthRealTime - sv->lastLowCallTime;
+  sv->lastLowCallTime = synthRealTime;
+  for (j = 0; j < 2; ++j) {
+    if (sv->lfo[j].period == 0) {
+      continue;
+    }
+    sv->lfo[j].time += lowDeltaTime;
+    sv->lfo[j].value =
+        sndSin((sv->lfo[j].time % sv->lfo[j].period * 16) / (sv->lfo[j].period / 256));
+    if (sv->lfo[j].value != sv->lfo[j].lastValue) {
+      sv->lfo[j].lastValue = sv->lfo[j].value;
+      if (sv->lfoUsedByInput[j]) {
+        sv->lfoUsedByInput[j] = 0;
+        sv->midiDirtyFlags |= 0x1fff;
+      }
+    }
+  }
+
+  if ((sv->cFlags & 0x2000) != 0) {
+    sv->vibCurTime += lowDeltaTime;
+    sv->vibCurOffset = sndSin((sv->vibCurTime % sv->vibPeriod * 16) / (sv->vibPeriod / 256));
+  }
+
+  if (sv->sweepNum[0] | sv->sweepNum[1]) {
+    cntDelta = (lowDeltaTime & 0x00ffffff) << 4;
+    addFactor = lowDeltaTime & 0x0fffffff;
+    for (j = 0; j < 2; ++j) {
+      if (sv->sweepNum[j] == 0) {
+        continue;
+      }
+      sv->sweepCnt[j] -= cntDelta;
+      if (sv->sweepCnt[j] <= 0) {
+        sv->sweepCnt[j] = sv->sweepNum[j] << 16;
+        sv->sweepOff[j] = 0;
+      } else {
+        sv->sweepOff[j] += (sv->sweepAdd[j] >> 12) * addFactor;
+      }
+    }
+  }
+
+  for (j = 0; j < 2; ++j) {
+    if (sv->panning[j] == sv->panTarget[j]) {
+      continue;
+    }
+    sv->panTime[j] -= lowDeltaTime;
+    if ((s32)sv->panTime[j] <= 0) {
+      sv->panning[j] = sv->panTarget[j];
+      sv->panTime[j] = 0;
+    } else {
+      sv->panning[j] = sv->panTarget[j] - (sv->panTime[j] / 256) * sv->panDelta[j];
+      sv->panning[j] = CLAMP_INV((s32)sv->panning[j], 0, 0x7f0000u);
+    }
+
+    sv->cFlags |= 0x200000000000;
+  }
+
+  if ((sv->cFlags & 0x20000000000) != 0 &&
+      adsrHandleLowPrecision(&sv->pitchADSR, &adsr_start, &adsr_delta)) {
+    sv->cFlags &= ~0x20000000000;
+  }
+
+  ccents = sv->curNote * 65536 + (sv->curDetune * 65536) / 100;
+  if ((sv->cFlags & 0x10010) != 0) {
+    if (sv->midi != 0xff) {
+      pbend = inpGetPitchBend(sv);
+      sv->pbLast = pbend;
+      goto pbend_adjust;
+    }
+  } else {
+    pbend = sv->pbLast;
+  pbend_adjust:
+    if (pbend != 0x2000) {
+      pbend -= 0x2000;
+      if (pbend < 0) {
+        ccents += sv->pbLowerKeyRange * pbend * 8;
+      } else {
+        ccents += sv->pbUpperKeyRange * pbend * 8;
+      }
+    }
+  }
+
+  if ((sv->cFlags & 0x2000) != 0) {
+    Modulation = inpGetModulation(sv);
+    vrange = sv->vibKeyRange * 256 + (sv->vibCentRange * 256) / 100;
+    if (sv->vibModAddScale != 0) {
+      vrange += (sv->vibModAddScale * ((Modulation >> 7) & 0x1ff)) >> 7;
+    }
+    if ((sv->cFlags & 0x4000) != 0) {
+      voff = (sv->vibCurOffset * ((Modulation >> 7) & 0x1ff)) >> 7;
+    } else {
+      voff = sv->vibCurOffset;
+    }
+    ccents += (vrange * voff) >> 4;
+  }
+
+  if (sv->midi != 0xff) {
+    portamento = inpGetMidiCtrl(SND_MIDICTRL_PORTAMENTO, sv->midi, sv->midiSet);
+    if (portamento != sv->portLastCtrlState || (sv->cFlags & 0x21000) == 0x20000) {
+      if (portamento <= 0x1f80) {
+        sv->cFlags &= ~0x400;
+      } else {
+        if ((sv->cFlags & 0x400) == 0) {
+          synthInitPortamento(sv);
+        }
+        sv->cFlags |= 0x400;
+      }
+      sv->cFlags |= 0x1000;
+      sv->portLastCtrlState = portamento;
+    }
+  }
+
+  ccents = apply_portamento(sv, ccents, lowDeltaTime);
+  if ((sv->cFlags & 0x20000000000) != 0) {
+    ccents += sv->pitchADSRRange * (sv->pitchADSR.currentVolume >> 16) >> 7;
+  }
+
+  cpitch = convert_cents(sv, ccents);
+  cpitch += sv->sweepOff[0] + sv->sweepOff[1];
+  cpitch = ((cpitch >> 16) * inpGetDoppler(sv)) >> 13;
+  sv->curPitch = cpitch;
+
+  hwSetPitch(i, cpitch);
+  synthAddJob(sv, 0, 0xf00);
+
+end:
+  UpdateTimeMIDICtrl(sv);
 }
 
-static void ZeroOffsetHandler(unsigned long i) {
+static void ZeroOffsetHandler(u32 i) {
-  struct SYNTH_VOICE* sv;     // r31
+  SYNTH_VOICE* sv;  // r31
-  unsigned long lowDeltaTime; // r26
+  u32 lowDeltaTime; // r26
-  unsigned short Modulation;  // r25
+  u16 Modulation;   // r25
-  float vol;                  // r62
+  f32 vol;          // r62
-  float auxa;                 // r57
+  f32 auxa;         // r57
-  float auxb;                 // r56
+  f32 auxb;         // r56
-  float f;                    // r59
+  f32 f;            // r59
-  float voiceVol;             // r60
+  f32 voiceVol;     // r60
-  unsigned long volUpdate;    // r30
+  u32 volUpdate;    // r30
-  float lfo;                  // r55
+  f32 lfo;          // r55
-  float scale;                // r63
+  f32 scale;        // r63
-  float mscale;               // r54
+  f32 mscale;       // r54
-  long pan;                   // r28
+  s32 pan;          // r28
-  float preVol;               // r58
+  f32 preVol;       // r58
-  float postVol;              // r61
+  f32 postVol;      // r61
 }
 
-static void EventHandler(unsigned long i) {
+static void EventHandler(u32 i) {
   SYNTH_VOICE* sv; // r31
 }
 
@@ -197,7 +524,7 @@ static void synthInitJobQueue() {
 }
 
 #pragma dont_inline on
-void synthAddJob(SYNTH_VOICE* svoice, SYNTH_JOBTYPE jobType, unsigned long deltaTime) {
+void synthAddJob(SYNTH_VOICE* svoice, SYNTH_JOBTYPE jobType, u32 deltaTime) {
   SYNTH_QUEUE* newJq;   // r31
   SYNTH_QUEUE** root;   // r30
   u8 jobTabIndex;       // r29
@@ -219,7 +546,7 @@ void synthForceLowPrecisionUpdate(SYNTH_VOICE* svoice) {
 
 void synthKeyStateUpdate(SYNTH_VOICE* svoice) { synthAddJob(svoice, SYNTH_JOBTYPE_EVENT, 0); }
 
-void HandleJobQueue(SYNTH_QUEUE** queueRoot, void (*handler)(unsigned long)) {
+void HandleJobQueue(SYNTH_QUEUE** queueRoot, void (*handler)(u32)) {
   SYNTH_QUEUE* jq;     // r31
   SYNTH_QUEUE* nextJq; // r30
 
@@ -259,15 +586,15 @@ void HandleFaderTermination(SYNTHMasterFader* smf) {
   }
 }
 
-void synthHandle(unsigned long deltaTime) {
+void synthHandle(u32 deltaTime) {
-  unsigned long i;        // r29
+  u32 i;                 // r29
-  unsigned long s;        // r30
+  u32 s;                 // r30
   SYNTHMasterFader* smf; // r31
-  unsigned long testFlag; // r27
+  u32 testFlag;          // r27
   SND_AUX_INFO info;     // r1+0x18
 }
 
-unsigned char synthFXGetMaxVoices(u16 fid) {
+u8 synthFXGetMaxVoices(u16 fid) {
   FX_TAB* fx;
   if ((fx = dataGetFX(fid)) != NULL) {
     return fx->maxVoices;

src/musyx/runtime/synthdata.c

@@ -202,7 +202,7 @@ void* dataGetKeymap(unsigned short cid) {
 
 long layercmp(void* p1, void* p2) { return ((LAYER_TAB*)p1)->id - ((LAYER_TAB*)p2)->id; }
 
-void* dataGetLayer(unsigned short cid, unsigned short* n) {
+void* dataGetLayer(u16 cid, u16* n) {
   static LAYER_TAB key;
   static LAYER_TAB* result;