Fully match snd_synthapi

include/musyx/musyx.h

@@ -101,7 +101,7 @@ s32 sndInit(u8 voices, u8 music, u8 sfx, u8 studios, u32 flags, u32 aramSize);
 void sndQuit(void);
 
 bool sndIsInstalled();
-bool sndIsIdle();
+u32 sndIsIdle();
 SND_PLAYBACKINFO* sndGetPlayBackInfo();
 
 void sndSetMaxVoices(u8 music, u8 sfx);

include/musyx/musyx_priv.h

@@ -877,6 +877,7 @@ void* hwTransAddr(void* samples);
 void seqInit(); /* extern */
 unsigned long seqStartPlay(PAGE* norm, PAGE* drum, MIDISETUP* midiSetup, u32* song,
                            SND_PLAYPARA* para, u8 studio, u16 sgid);
+unsigned long seqGetPrivateId(unsigned long seqId);
 void streamInit(); /* extern */
 void vsInit();     /* extern */
 void hwExit();
@@ -886,6 +887,7 @@ void s3dKillEmitterByFXID(FX_TAB* fxTab, unsigned long num);
 void s3dExit();
 void synthInit(u32, u8); /* extern */
 void synthFXCloneMidiSetup(SYNTH_VOICE* dest, SYNTH_VOICE* src);
+void synthSetMusicVolumeType(u8 vGroup, u8 type);
 
 extern u32 synthGlobalVariable[16];
 extern u16 voicePrioSortRootListRoot;
@@ -910,6 +912,9 @@ void hwActivateStudio(unsigned char studio, unsigned long isMaster, SND_STUDIO_T
 void hwDeactivateStudio(u8);
 void hwSetPriority(unsigned long v, unsigned long prio);
 u32 hwIsActive(u32);
+u32 hwGlobalActivity();
+void hwSetAUXProcessingCallbacks(unsigned char studio, SND_AUX_CALLBACK auxA, void* userA,
+                                 SND_AUX_CALLBACK auxB, void* userB);
 
 u32 sndGetPitch(u8 key, u32 sInfo);
 extern SND_HOOKS salHooks;
@@ -917,10 +922,11 @@ extern u8 sndActive;
 extern u8 synthIdleWaitActive;
 extern SynthInfo synthInfo;
 typedef s32 (*SND_MESSAGE_CALLBACK)(u32, u32);
+typedef void (*SYNTH_MESSAGE_CALLBACK)(u32, s32);
 typedef void (*SND_SOME_CALLBACK)();
 
 extern SND_MESSAGE_CALLBACK salMessageCallback;
-extern SND_MESSAGE_CALLBACK synthMessageCallback;
+extern SYNTH_MESSAGE_CALLBACK synthMessageCallback;
 /* Math */
 void salApplyMatrix(const SND_FMATRIX* a, const SND_FVECTOR* b, SND_FVECTOR* out);
 float salNormalizeVector(SND_FVECTOR* vec);

include/musyx/synth.h

@@ -15,7 +15,7 @@ extern u8 synthAuxBMIDI[8];
 extern u8 synthAuxBMIDISet[8];
 extern void* synthAuxBUser[8];
 
-extern u8 synthITDDefault[16];
+extern synthITDInfo synthITDDefault[8];
 extern u32 synthFlags;
 
 u32 vidGetInternalId(SND_VOICEID id);

src/musyx/runtime/hw_dspctrl.c

@@ -1,4 +1,20 @@
+/*
 
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+*/
 #include "musyx/musyx_priv.h"
 
 #ifdef _DEBUG
@@ -6,21 +22,37 @@ static u32 dbgActiveVoicesMax = 0;
 #endif
 
 extern u8 salAuxFrame;
+
 DSPstudioinfo dspStudio[8];
+
 static u32 dspARAMZeroBuffer = 0;
+
 u16* dspCmdLastLoad = NULL;
+
 u16* dspCmdLastBase = NULL;
+
 u16* dspCmdList = NULL;
+
 u16 dspCmdLastSize = 0;
+
 u16* dspCmdCurBase = NULL;
+
 u16* dspCmdMaxPtr = NULL;
+
 u16* dspCmdPtr = NULL;
+
 u16 dspCmdFirstSize = 0;
+
 u32 dspHRTFOn = FALSE;
+
 s16* dspHrtfHistoryBuffer = NULL;
+
 long* dspSurround = NULL;
+
 s16* dspITDBuffer = NULL;
+
 DSPvoice* dspVoice = NULL;
+
 SND_MESSAGE_CALLBACK salMessageCallback = NULL;
 
 u32 salInitDspCtrl(u8 numVoices, u8 numStudios, u32 defaultStudioDPL2) {
@@ -30,7 +62,7 @@ u32 salInitDspCtrl(u8 numVoices, u8 numStudios, u32 defaultStudioDPL2) {
 
   salNumVoices = numVoices;
   salMaxStudioNum = numStudios;
-#line 66
+
   MUSY_ASSERT(salMaxStudioNum <= SAL_MAX_STUDIONUM);
   dspARAMZeroBuffer = aramGetZeroBuffer();
   if ((dspCmdList = salMalloc(1024 * sizeof(u16))) != NULL) {
@@ -186,7 +218,7 @@ static const u16 dspMixerCycles[32] = {
 
 void salDeactivateStudio(u8 studio) { dspStudio[studio].state = 0; }
 
-u32 salCheckVolErrorAndResetDelta(u16* dsp_vol, u16* dsp_delta, u16* last_vol, u16 targetVol,
+static u32 salCheckVolErrorAndResetDelta(u16* dsp_vol, u16* dsp_delta, u16* last_vol, u16 targetVol,
                                   u16* resetFlags, u16 resetMask) {
   s16 d; // r31
   s16 x; // r30
@@ -194,23 +226,23 @@ u32 salCheckVolErrorAndResetDelta(u16* dsp_vol, u16* dsp_delta, u16* last_vol, u
   if (targetVol != *last_vol) {
     d = (s16)targetVol - (s16)*last_vol;
     if ((s16)d >= 32 && (s16)d < 160) {
-      d = (s16)d >> 5;
+      x = (s16)d >> 5;
-      if ((s16)d < 5) {
+      if ((s16)x < 5) {
-        resetFlags[d] |= resetMask;
+        resetFlags[x] |= resetMask;
       }
 
       *dsp_delta = 1;
-      *last_vol = *last_vol + (d * 32);
+      *last_vol += (x << 5);
       return 1;
     }
 
     if (-32 >= (s16)d && -160 < (s16)d) {
-      d = -(s16)d >> 5;
+      x = -(s16)d >> 5;
-      if (d < 5) {
+      if (x < 5) {
-        resetFlags[d] |= resetMask;
+        resetFlags[x] |= resetMask;
       }
       *dsp_delta = 0xFFFF;
-      *last_vol -= (s16)d * 32;
+      *last_vol -= x << 5;
       return 1;
     }
 
@@ -223,12 +255,12 @@ u32 salCheckVolErrorAndResetDelta(u16* dsp_vol, u16* dsp_delta, u16* last_vol, u
   return 0;
 }
 
-void sal_setup_dspvol(u16* dsp_delta, u16* last_vol, u16 vol) {
+static void sal_setup_dspvol(u16* dsp_delta, u16* last_vol, u16 vol) {
   *dsp_delta = ((s16)vol - (s16)*last_vol) / 160;
   *last_vol += (s16)*dsp_delta * 160;
 }
 
-void sal_update_hostplayinfo(DSPvoice* dsp_vptr) {
+static void sal_update_hostplayinfo(DSPvoice* dsp_vptr) {
   u32 old_lo; // r30
   u32 pitch;  // r31
 
@@ -252,12 +284,12 @@ void sal_update_hostplayinfo(DSPvoice* dsp_vptr) {
   }
 }
 
-void AddDpop(long* sum, s16 delta) {
+static void AddDpop(long* sum, s16 delta) {
   *sum += (int)delta;
   *sum = (*sum > 0x7fffff) ? 0x7fffff : (*sum < -0x7fffff ? -0x7fffff : *sum);
 }
 
-void DoDepopFade(long* dspStart, s16* dspDelta, long* hostSum) {
+static void DoDepopFade(long* dspStart, s16* dspDelta, long* hostSum) {
   if (*hostSum <= -160) {
     *dspDelta = (*hostSum <= -3200) ? 0x14 : (s16)(-*hostSum / 160);
   } else if (*hostSum >= 160) {
@@ -270,7 +302,7 @@ void DoDepopFade(long* dspStart, s16* dspDelta, long* hostSum) {
   *hostSum += *dspDelta * 160;
 }
 
-void HandleDepopVoice(DSPstudioinfo* stp, DSPvoice* dsp_vptr) {
+static void HandleDepopVoice(DSPstudioinfo* stp, DSPvoice* dsp_vptr) {
   _PB* pb; // r31
   dsp_vptr->postBreak = 0;
   dsp_vptr->pb->state = 0;
@@ -301,7 +333,7 @@ void HandleDepopVoice(DSPstudioinfo* stp, DSPvoice* dsp_vptr) {
   }
 }
 
-void SortVoices(DSPvoice** voices, long l, long r) {
+static void SortVoices(DSPvoice** voices, long l, long r) {
   long i;        // r28
   long last;     // r29
   DSPvoice* tmp; // r27
@@ -311,11 +343,11 @@ void SortVoices(DSPvoice** voices, long l, long r) {
   }
 
   tmp = voices[l];
-  last = (l + r) / 2;
+  voices[l] = voices[(l + r) / 2];
-  voices[l] = voices[last];
+  voices[(l + r) / 2] = tmp;
-  voices[last] = tmp;
-  i = l + 1;
   last = l;
+  i = l + 1;
+
   for (; i <= r; ++i) {
     if (voices[i]->prio < voices[l]->prio) {
       last += 1;
@@ -334,6 +366,7 @@ void SortVoices(DSPvoice** voices, long l, long r) {
 
 void salBuildCommandList(signed short* dest, unsigned long nsDelay) {
   static const u16 pbOffsets[9] = {10, 12, 24, 13, 16, 26, 18, 20, 22};
+  static DSPvoice * voices[64];
 }
 
 u32 salSynthSendMessage(DSPvoice* dsp_vptr, u32 mesg) {
@@ -421,21 +454,17 @@ u32 salAddStudioInput(DSPstudioinfo* stp, SND_STUDIO_INPUT* desc) {
 unsigned long salRemoveStudioInput(DSPstudioinfo* stp, SND_STUDIO_INPUT* desc) {
   long i; // r31
 
-  i = 0;
+  for (i = 0; i < stp->numInputs; ++i) {
-  while (i < stp->numInputs) {
     if (stp->in[i].desc == desc) {
-      break;
+      for (; i <= stp->numInputs - 2; ++i) {
+        stp->in[i] = stp->in[i + 1];
+      }
+      --stp->numInputs;
+      return 1;
     }
-    ++i;
   }
 
-  while (i <= stp->numInputs - 2) {
+  return 0;
-    stp->in[i] = stp->in[i + 1];
-    ++i;
-  }
-
-  --stp->numInputs;
-  return 1;
 }
 
 void salHandleAuxProcessing() {

src/musyx/runtime/snd_synthapi.c

@@ -1,89 +1,419 @@
-#include "musyx/synth.h"
+/* ---------------------------------------
 
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+   ---------------------------------------
+*/
+
+#include "musyx/synth.h"
+#include <stdarg.h>
+
+/*
+
+
+
+
+
+
+
+
+
+*/
 bool sndFXCtrl(SND_VOICEID vid, u8 ctrl, u8 value) {
   bool ret;
-
+  MUSY_ASSERT_MSG(sndActive != 0, "Sound system is not initialized.");
   hwDisableIrq();
   ret = synthFXSetCtrl(vid, ctrl, value);
   hwEnableIrq();
   return ret;
 }
 
+/*
+
+
+
+
+*/
 bool sndFXCtrl14(SND_VOICEID vid, u8 ctrl, u16 value) {
   bool ret;
-
+  MUSY_ASSERT_MSG(sndActive != 0, "Sound system is not initialized.");
   hwDisableIrq();
   ret = synthFXSetCtrl14(vid, ctrl, value);
   hwEnableIrq();
   return ret;
 }
 
+/*
+
+
+
+
+*/
 bool sndFXKeyOff(SND_VOICEID vid) {
   bool ret;
-
+  MUSY_ASSERT_MSG(sndActive != 0, "Sound system is not initialized.");
   hwDisableIrq();
   ret = synthSendKeyOff(vid);
   hwEnableIrq();
   return ret;
 }
 
-SND_VOICEID sndFXStartEx(SND_FXID fid, u8 vol, u8 pan, u8 studio) {
+/*
-  SND_VOICEID temp_r31;
 
+
+
+
+*/
+SND_VOICEID sndFXStartEx(SND_FXID fid, u8 vol, u8 pan, u8 studio) {
+  SND_VOICEID v;
+  MUSY_ASSERT_MSG(sndActive != 0, "Sound system is not initialized.");
   hwDisableIrq();
-  temp_r31 = synthFXStart(fid, vol, pan, studio, synthITDDefault[studio * 2 + 1]);
+  v = synthFXStart(fid, vol, pan, studio, synthITDDefault[studio].sfx);
   hwEnableIrq();
-  return temp_r31;
+  return v;
 }
 
-SND_VOICEID sndFXCheck(SND_VOICEID arg0) {
+/*
-  u32 check;
-  s32 ret;
-  check = vidGetInternalId(arg0);
 
-  ret = -1;
+
-  if (check != -1) {
+
-    ret = arg0;
+
+
+
+
+
+
+*/
+SND_VOICEID sndFXStartPara(SND_FXID fid, u8 vol, u8 pan, u8 studio, u8 numPara, ...) {
+  u32 vid;
+  u8 i;
+  va_list args;
+  u32 value;
+  u8 ctrl;
+
+  MUSY_ASSERT_MSG(sndActive != 0, "Sound system is not initialized.");
+
+  hwDisableIrq();
+
+  if ((vid = synthFXStart(fid, vol, pan, studio, synthITDDefault[studio].sfx)) != -1 &&
+      numPara != 0) {
+
+    va_start(args, numPara);
+
+    for (i = 0; i < numPara; ++i) {
+
+      ctrl = va_arg(args, u32);
+      value = va_arg(args, u32);
+      /*
+
+
+
+
+
+      */
+      if (ctrl < 0x40 || ctrl == 0x80 || ctrl == 0x84) {
+        MUSY_ASSERT_MSG(value <= 0x3fff, "Hires MIDI controller value out of range.");
+
+        synthFXSetCtrl14(vid, ctrl, (u16)value);
+      } else {
+
+        MUSY_ASSERT_MSG(value <= 0x7f, "Lores MIDI controller value out of range.");
+        synthFXSetCtrl(vid, ctrl, (u16)value);
+      }
+    }
   }
+  /*
+
+  */
+  hwEnableIrq();
+  return vid;
+}
+
+/*
+
+*/
+SND_VOICEID sndFXStartParaInfo(SND_FXID fid, u8 vol, u8 pan, u8 studio,
+                               SND_PARAMETER_INFO* paraInfo) {
+  unsigned long vid;   // r29
+  unsigned char i;     // r28
+  SND_PARAMETER* pPtr; // r31
+
+  MUSY_ASSERT_MSG(sndActive != 0, "Sound system is not initialized.");
+
+  hwDisableIrq();
+
+  if ((vid = synthFXStart(fid, vol, pan, studio, synthITDDefault[studio].sfx)) != 0xFFFFFFFF) {
+    MUSY_ASSERT_MSG(paraInfo != NULL, "Parameter pointer must not be NULL.");
+    for (pPtr = paraInfo->paraArray, i = 0; i < paraInfo->numPara; ++pPtr, ++i) {
+      /*
+
+      */
+      if (pPtr->ctrl < 0x40 || pPtr->ctrl == 0x80 || pPtr->ctrl == 0x84) {
+        MUSY_ASSERT_MSG(pPtr->paraData.value14 <= 0x3fff,
+                        "Hires MIDI controller value out of range.");
+
+        synthFXSetCtrl14(vid, pPtr->ctrl, pPtr->paraData.value14);
+      } else {
+
+        MUSY_ASSERT_MSG(pPtr->paraData.value7 <= 0x7f, "Lores MIDI controller value out of range.");
+        synthFXSetCtrl(vid, pPtr->ctrl, pPtr->paraData.value7);
+      }
+    }
+  }
+
+  hwEnableIrq();
+  return vid;
+}
+
+/*
+
+
+
+
+
+
+
+
+
+
+
+
+
+*/
+SND_VOICEID sndFXCheck(SND_VOICEID vid) {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+  return vidGetInternalId(vid) != -1 ? vid : -1;
+}
+
+/*
+
+
+
+
+
+*/
+bool sndReadFlag(unsigned char num) {
+
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+  return synthGlobalVariable[num & 0xf];
+}
+
+/*
+
+
+
+
+*/
+long sndWriteFlag(unsigned char num, long value) {
+  long old; // r30
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+
+  num &= 0xf;
+
+  hwDisableIrq();
+  old = synthGlobalVariable[num];
+  synthGlobalVariable[num] = value;
+  hwEnableIrq();
+
+  return old;
+}
+/*
+
+
+
+
+*/
+u32 sndSendMessage(u32 vid, s32 mesg) {
+  u32 ret; // r31
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+
+  hwDisableIrq();
+  ret = macPostMessage(vid, mesg);
+  hwEnableIrq();
   return ret;
 }
 
+/*
+
+
+*/
+void sndSetReceiveMessageCallback(void (*callback)(unsigned long, long)) {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+  synthMessageCallback = callback;
+}
+
+/*
+
+
+
+*/
+void sndSilence() {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+
+  hwDisableIrq();
+  seqKillAllInstances();
+  s3dKillAllEmitter();
+  synthKillAllVoices(0);
+  hwEnableIrq();
+}
+
+/*
+
+
+
+*/
+u32 sndIsIdle() {
+  u32 i;   // r31
+  u8 flag; // r30
+
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+
+  flag = 0;
+
+  synthIdleWaitActive = TRUE;
+  if (!hwGlobalActivity()) {
+    for (i = 0; i < synthInfo.voiceNum; ++i) {
+      flag |= hwIsActive(i);
+    }
+  } else {
+
+    flag = 1;
+  }
+  synthIdleWaitActive = FALSE;
+  return flag == 0;
+}
+
+/*
+
+
+*/
+u32 sndFXAssignVolGroup2FXId(SND_FXID fid, u8 vGroup) {
+  FX_TAB* fx; // r30
+  u32 ret;    // r29
+
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+
+  ret = 0;
+
+  hwDisableIrq();
+  //
+  //
+  //
+  if ((fx = dataGetFX(fid)) != NULL) {
+    /*
+
+
+    */
+    if ((u8)vGroup != 0xFE) {
+      //
+      //
+      fx->vGroup = vGroup;
+      synthSetMusicVolumeType(vGroup, 3);
+    } else {
+      fx->vGroup = 0x1f;
+    }
+    ret = 1;
+  } else {
+
+    MUSY_DEBUG("FX ID=%d could not be found in FX table.", fid);
+  }
+
+  hwEnableIrq();
+
+  return ret;
+}
+
+/*
+
+
+
+*/
+void sndPauseVolume(u8 volume, u16 time, u8 vGroup) {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+
+  hwDisableIrq();
+  synthPauseVolume(volume, time, vGroup);
+  hwEnableIrq();
+}
+
+/*
+
+
+
+*/
 void sndVolume(u8 volume, u16 time, u8 volgroup) {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+
   hwDisableIrq();
   synthVolume(volume, time, volgroup, 0, -1);
   hwEnableIrq();
 }
 
+/*
+
+
+*/
 void sndMasterVolume(u8 volume, u16 time, u8 music, u8 fx) {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
   hwDisableIrq();
-  if (music != 0) {
+  if (music != 0)
     synthVolume(volume, time, 0x15, 0, -1);
-  }
+
-  if (fx != 0) {
+  if (fx != 0)
     synthVolume(volume, time, 0x16, 0, -1);
-  }
   hwEnableIrq();
 }
 
+/*
+
+
+*/
 void sndOutputMode(SND_OUTPUTMODE output) {
   u32 i;
-  u32 oldFlags = synthFlags;
+  u32 oldFlags;
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+  oldFlags = synthFlags;
 
   switch (output) {
   case SND_OUTPUTMODE_MONO:
+
     synthFlags |= 1;
     synthFlags &= ~2;
     hwDisableHRTF();
+
     break;
   case SND_OUTPUTMODE_STEREO:
+
     synthFlags &= ~1;
     synthFlags &= ~2;
     hwDisableHRTF();
+
     break;
   case SND_OUTPUTMODE_SURROUND:
+
     synthFlags &= ~1;
     synthFlags |= 2;
     hwDisableHRTF();
+
+    break;
+  default:
+#line 426
+    MUSY_ASSERT_MSG(FALSE, "Unsupported outputmode selected.");
+#line 418
     break;
   }
 
@@ -94,19 +424,30 @@ void sndOutputMode(SND_OUTPUTMODE output) {
   for (i = 0; i < synthInfo.voiceNum; ++i) {
     synthVoice[i].cFlags |= 0x0000200000000000;
   }
+#if MUSY_VERSION >= MUSY_VERSION_CHECK(1, 5, 4)
   streamOutputModeChanged();
+#endif
 }
 
+/*
+
+
+
+
+
+
+*/
 // clang-format off
 void sndSetAuxProcessingCallbacks(u8 studio, 
                                   SND_AUX_CALLBACK auxA, void* userA, u8 midiA, SND_SEQID seqIDA, 
                                   SND_AUX_CALLBACK auxB, void* userB, u8 midiB, SND_SEQID seqIDB) {
   // clang-format on
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
 
   hwDisableIrq();
   if (auxA != NULL) {
-    synthAuxAMIDI[studio] = midiA;
+
-    if (midiA != 0xFF) {
+    if ((synthAuxAMIDI[studio] = midiA) != 0xFF) {
       synthAuxAMIDISet[studio] = seqGetPrivateId(seqIDA);
       synthAuxACallback[studio] = auxA;
       synthAuxAUser[studio] = userA;
@@ -117,8 +458,8 @@ void sndSetAuxProcessingCallbacks(u8 studio,
   }
 
   if (auxB != NULL) {
-    synthAuxBMIDI[studio] = midiB;
+
-    if (midiB != 0xFF) {
+    if ((synthAuxBMIDI[studio] = midiB) != 0xFF) {
       synthAuxBMIDISet[studio] = seqGetPrivateId(seqIDB);
       synthAuxBCallback[studio] = auxB;
       synthAuxBUser[studio] = userB;
@@ -132,21 +473,103 @@ void sndSetAuxProcessingCallbacks(u8 studio,
   hwEnableIrq();
 }
 
-void synthActivateStudio(u8 studio, u32 arg1, u32 arg2) {
+/*
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+*/
+void sndUpdateAuxParameter(unsigned char studio, unsigned short* para, unsigned char auxBus) {
+  struct SND_AUX_INFO info; // r1+0x14
+  unsigned long i;          // r30
+
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+
+  for (i = 0; i < 4; ++i) {
+    info.data.parameterUpdate.para[i] = para[i];
+  }
+
+  if (auxBus == 0) {
+    MUSY_ASSERT_MSG(synthAuxACallback[studio] != NULL, "No FX is defined for AuxA.");
+
+    synthAuxACallback[studio](1, &info, synthAuxAUser);
+  } else {
+
+    MUSY_ASSERT_MSG(synthAuxBCallback[studio] != NULL, "No FX is defined for AuxB.");
+    synthAuxBCallback[studio](1, &info, synthAuxBUser);
+  }
+}
+
+/*
+
+
+*/
+void sndSetITDDefault(unsigned char studio, unsigned long musicITD, unsigned long sfxITD) {
+  synthITDDefault[studio].music = musicITD;
+  synthITDDefault[studio].sfx = sfxITD;
+}
+
+/*
+
+
+*/
+void synthActivateStudio(u8 studio, u32 isMaster, SND_STUDIO_TYPE type) {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
   hwDisableIrq();
   synthAuxACallback[studio] = NULL;
   synthAuxBCallback[studio] = NULL;
   synthAuxAMIDI[studio] = 0xFF;
   synthAuxBMIDI[studio] = 0xFF;
-  synthITDDefault[studio * 2 + 1] = 0;
+  synthITDDefault[studio].sfx = 0;
-  synthITDDefault[studio * 2 + 0] = 0;
+  synthITDDefault[studio].music = 0;
-  hwActivateStudio(studio, arg1, arg2);
+  hwActivateStudio(studio, isMaster, type);
   hwEnableIrq();
 }
 
+/*
+
+
+
+*/
+void sndActivateStudioEx(u8 studio, u32 isMaster, SND_STUDIO_TYPE type) {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+  MUSY_ASSERT_MSG(studio < synthInfo.studioNum, "Illegal studio index.");
+  if (studio != 0) {
+    hwDisableIrq();
+    synthActivateStudio(studio, isMaster, type);
+    hwEnableIrq();
+  } else {
+    MUSY_DEBUG("The default studio cannot be activated or deactivated.\n");
+  }
+}
+
+/*
+
+
+
+
+
+
+*/
 void synthDeactivateStudio(u8 studio) {
   u32 i;
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+
   for (i = 0; i < synthInfo.voiceNum; ++i) {
+
     if (studio == synthVoice[i].studio) {
       if (synthVoice[i].id != 0xFFFFFFFF) {
         voiceKillSound(synthVoice[i].vidList->vid);
@@ -155,19 +578,111 @@ void synthDeactivateStudio(u8 studio) {
       }
     }
   }
+
   hwDisableIrq();
+
   synthAuxACallback[studio] = 0;
   synthAuxBCallback[studio] = 0;
   synthAuxAMIDI[studio] = 0xFF;
   synthAuxBMIDI[studio] = 0xFF;
+
   hwEnableIrq();
+
   hwDeactivateStudio(studio);
 }
 
-bool synthAddStudioInput(u8 studio, SND_STUDIO_INPUT* in_desc) {
+/*
+
+
+
+
+*/
+sndDeactivateStudio(u8 studio) {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+  MUSY_ASSERT_MSG(studio < synthInfo.studioNum, "Illegal studio index.");
+  if (studio != 0) {
+    hwDisableIrq();
+    synthDeactivateStudio(studio);
+    hwEnableIrq();
+  } else {
+    MUSY_DEBUG("The default studio cannot be activated or deactivated.\n");
+  }
+}
+
+/*
+
+
+
+
+
+*/
+synthChangeStudioMasterMix(u8 studio, u32 isMaster) {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+  hwChangeStudioMix(studio, isMaster);
+}
+
+//
+
+void sndChangeStudioMasterMix(unsigned char studio, unsigned long isMaster) {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+  if (studio != 0) {
+    hwDisableIrq();
+    synthChangeStudioMasterMix(studio, isMaster);
+    hwEnableIrq();
+  } else {
+    MUSY_DEBUG("Default studio's master mix cannot be changed.\n");
+  }
+}
+
+/*
+
+
+
+
+
+*/
+u32 synthAddStudioInput(u8 studio, SND_STUDIO_INPUT* in_desc) {
+
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+
   return hwAddInput(studio, in_desc);
 }
 
-bool synthRemoveStudioInput(u8 studio, SND_STUDIO_INPUT* in_desc) {
+//
+
+u32 sndAddStudioInput(u8 studio, struct SND_STUDIO_INPUT* in_desc) {
+  u32 ret;
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+  hwDisableIrq();
+  ret = synthAddStudioInput(studio, in_desc);
+  hwEnableIrq();
+  return ret;
+}
+
+/*
+
+*/
+u32 synthRemoveStudioInput(u8 studio, SND_STUDIO_INPUT* in_desc) {
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
   return hwRemoveInput(studio, in_desc);
 }
+
+/*
+
+*/
+u32 sndRemoveStudioInput(u8 studio, SND_STUDIO_INPUT* in_desc) {
+  u32 ret;
+  MUSY_ASSERT_MSG(sndActive != NULL, "Sound system is not initialized.");
+  hwDisableIrq();
+  ret = synthRemoveStudioInput(studio, in_desc);
+  hwEnableIrq();
+  return ret;
+}
+
+u8 sndDbgGetActiveVoices() {
+	u8 n; // r31
+  hwDisableIrq();
+  n = voiceFxRunning + voiceMusicRunning;
+  hwEnableIrq();
+  return n;
+}

src/musyx/runtime/synth.c

@@ -19,7 +19,7 @@ u8 sndActive = 0;
 static u8 synthJobTableIndex = 0;
 u64 synthRealTime;
 u8 synthIdleWaitActive;
-SND_MESSAGE_CALLBACK synthMessageCallback;
+SYNTH_MESSAGE_CALLBACK synthMessageCallback;
 SYNTH_VOICE* synthVoice;
 u32 synthFlags;
 u32 synthMasterFaderActiveFlags;

src/musyx/runtime/synthmacros.c

@@ -896,7 +896,42 @@ static void mcmdAuxBFXSelect(SYNTH_VOICE* svoice, MSTEP* cstep) {
 
 static void mcmdPortamento(SYNTH_VOICE* svoice, MSTEP* cstep) {
   u32 time; // r1+0x10
+  svoice->portType = cstep->para[0] >> 16;
+  time = cstep->para[1] >> 16;
+  if ((u8)((cstep->para[1] >> 8) & 1)) {
+    sndConvertMs(&time);
+  } else {
+    sndConvertTicks(&time, svoice);
+  }
+
+  svoice->portDuration = time;
+
+  switch ((u8)(cstep->para[0] >> 8)) {
+  case 0:
+    if (svoice->midi != 0xFF) {
+      inpSetMidiCtrl(0x41, svoice->midi, svoice->midiSet, 0);
+    }
+
+    svoice->cFlags &= ~0x400;
+    return;
+  case 1:
+    if (svoice->midi != 0xFF) {
+      inpSetMidiCtrl(0x41, svoice->midi, svoice->midiSet, 0x7f);
+    }
+  init_port:
+    if (!(svoice->cFlags & 0x400)) {
+      synthInitPortamento(svoice);
+    }
+    svoice->cFlags |= 0x400;
+    break;
+  case 2:
+    if (svoice->midi != 0xFF && inpGetMidiCtrl(0x41, svoice->midi, svoice->midiSet) > 8064) {
+      goto init_port;
+    }
+    break;
+  }
 }
+
 s32 varGet32(SYNTH_VOICE* svoice, u32 ctrl, u8 index) {
   if (ctrl != 0) {
     return inpGetExCtrl(svoice, index);
@@ -931,7 +966,7 @@ void varSet(SYNTH_VOICE* svoice, u32 ctrl, u8 index, s16 v) { varSet32(svoice, c
 static void mcmdVarCalculation(SYNTH_VOICE* svoice, MSTEP* cstep, u8 op) {
   s16 s1 = 0; // r28
   s16 s2 = 0; // r31
-  s32 t;  // r30
+  s32 t;      // r30
 
   s1 = varGet(svoice, (cstep->para[0] >> 24), cstep->para[1]);
   if (op == 4) {