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-rw-r--r--engines/kyra/sound_towns.cpp20
-rw-r--r--sound/softsynth/fmtowns_pc98/towns_audio.cpp104
-rw-r--r--sound/softsynth/fmtowns_pc98/towns_audio.h16
-rw-r--r--sound/softsynth/fmtowns_pc98/towns_euphony.cpp20
-rw-r--r--sound/softsynth/fmtowns_pc98/towns_euphony.h12
-rw-r--r--sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp49
-rw-r--r--sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h1
7 files changed, 126 insertions, 96 deletions
diff --git a/engines/kyra/sound_towns.cpp b/engines/kyra/sound_towns.cpp
index 95e2a5e63f..750c6edfc2 100644
--- a/engines/kyra/sound_towns.cpp
+++ b/engines/kyra/sound_towns.cpp
@@ -66,7 +66,9 @@ bool SoundTowns::init() {
if (!loadInstruments())
return false;
- _driver->cdaSetVolume(1, 118, 118);
+ _driver->intf()->callback(68);
+ _driver->intf()->callback(70, 0x33);
+ _driver->setOutputVolume(1, 118, 118);
return true;
}
@@ -92,7 +94,7 @@ void SoundTowns::playTrack(uint8 track) {
beginFadeOut();
if (_musicEnabled == 2 && trackNum != -1) {
- _driver->cdaSetVolume(1, 118, 118);
+ _driver->setOutputVolume(1, 118, 118);
AudioCD.play(trackNum+1, loop ? -1 : 1, 0, 0);
AudioCD.updateCD();
_cdaPlaying = true;
@@ -230,24 +232,24 @@ void SoundTowns::stopAllSoundEffects() {
void SoundTowns::beginFadeOut() {
if (_cdaPlaying) {
for (int i = 118; i > 103; i--) {
- _driver->cdaSetVolume(1, i, i);
+ _driver->setOutputVolume(1, i, i);
_vm->delay(2 * _vm->tickLength());
}
for (int i = 103; i > 83; i -= 2) {
- _driver->cdaSetVolume(1, i, i);
+ _driver->setOutputVolume(1, i, i);
_vm->delay(2 * _vm->tickLength());
}
for (int i = 83; i > 58; i -= 2) {
- _driver->cdaSetVolume(1, i, i);
+ _driver->setOutputVolume(1, i, i);
_vm->delay(_vm->tickLength());
}
for (int i = 58; i > 0; i--)
- _driver->cdaSetVolume(1, i, i);
+ _driver->setOutputVolume(1, i, i);
- _driver->cdaSetVolume(1, 0, 0);
+ _driver->setOutputVolume(1, 0, 0);
} else {
if (_lastTrack == -1)
@@ -336,9 +338,9 @@ void SoundTowns::playEuphonyTrack(uint32 offset, int loop) {
for (int i = 0; i < 32; i++)
_driver->chanOrdr(i, *src++);
for (int i = 0; i < 32; i++)
- _driver->chanLevel(i, *src++);
+ _driver->chanVolumeShift(i, *src++);
for (int i = 0; i < 32; i++)
- _driver->chanTranspose(i, *src++);
+ _driver->chanNoteShift(i, *src++);
src = _musicTrackData + 1748;
for (int i = 0; i < 6; i++)
diff --git a/sound/softsynth/fmtowns_pc98/towns_audio.cpp b/sound/softsynth/fmtowns_pc98/towns_audio.cpp
index 42b9be804e..c9ba03ea27 100644
--- a/sound/softsynth/fmtowns_pc98/towns_audio.cpp
+++ b/sound/softsynth/fmtowns_pc98/towns_audio.cpp
@@ -104,7 +104,7 @@ TownsAudioInterface::TownsAudioInterface(Audio::Mixer *mixer, TownsAudioInterfac
_fmInstruments(0), _pcmInstruments(0), _pcmChan(0), _waveTables(0), _waveTablesTotalDataSize(0),
_baserate(55125.0f / (float)mixer->getOutputRate()), _tickLength(0), _timer(0), _drv(driver),
_pcmSfxChanMask(0), _musicVolume(Audio::Mixer::kMaxMixerVolume), _sfxVolume(Audio::Mixer::kMaxMixerVolume),
- _cdaVolFlags(0), _ready(false) {
+ _outputVolumeFlags(0), _outputMuteFlags(0), _ready(false) {
#define INTCB(x) &TownsAudioInterface::intf_##x
static const TownsAudioIntfCallback intfCb[] = {
@@ -192,11 +192,11 @@ TownsAudioInterface::TownsAudioInterface(Audio::Mixer *mixer, TownsAudioInterfac
INTCB(notImpl),
INTCB(notImpl),
INTCB(notImpl),
- INTCB(cdaSetVolume),
+ INTCB(setOutputVolume),
// 68
- INTCB(cdaReset),
- INTCB(notImpl),
+ INTCB(resetOutputVolume),
INTCB(notImpl),
+ INTCB(updateOutputVolume),
INTCB(notImpl),
// 72
INTCB(notImpl),
@@ -218,6 +218,8 @@ TownsAudioInterface::TownsAudioInterface(Audio::Mixer *mixer, TownsAudioInterfac
_intfOpcodes = intfCb;
memset(_fmSaveReg, 0, sizeof(_fmSaveReg));
+ memset(_outputLevel, 0, sizeof(_outputLevel));
+
_timerBase = (uint32)(_baserate * 1000000.0f);
_tickLength = 2 * _timerBase;
}
@@ -286,7 +288,7 @@ void TownsAudioInterface::setSoundEffectVolume(int volume) {
setVolumeIntern(_musicVolume, _sfxVolume);
}
-void TownsAudioInterface::setSoundEffectChanMask(uint32 mask) {
+void TownsAudioInterface::setSoundEffectChanMask(int mask) {
_pcmSfxChanMask = mask >> 6;
mask &= 0x3f;
setVolumeChannelMasks(~mask, mask);
@@ -298,8 +300,8 @@ void TownsAudioInterface::nextTickEx(int32 *buffer, uint32 bufferSize) {
for (uint32 i = 0; i < bufferSize; i++) {
_timer += _tickLength;
- while (_timer > 0x5B8D80) {
- _timer -= 0x5B8D80;
+ while (_timer > 0x514767) {
+ _timer -= 0x514767;
for (int ii = 0; ii < 8; ii++) {
if ((_pcmChanKeyPlaying & _chanFlags[ii]) || (_pcmChanEffectPlaying & _chanFlags[ii])) {
@@ -361,7 +363,7 @@ int TownsAudioInterface::intf_reset(va_list &args) {
Common::StackLock lock(_mutex);
fmReset();
pcmReset();
- cdaReset();
+ callback(68);
return 0;
}
@@ -708,56 +710,59 @@ int TownsAudioInterface::intf_fmReset(va_list &args) {
return 0;
}
-int TownsAudioInterface::intf_cdaReset(va_list &args) {
- cdaReset();
- return 0;
-}
-
-int TownsAudioInterface::intf_pcmUpdateEnvelopeGenerator(va_list &args) {
- for (int i = 0; i < 8; i++)
- pcmUpdateEnvelopeGenerator(i);
- return 0;
-}
-
-int TownsAudioInterface::intf_cdaSetVolume(va_list &args) {
- int mode = va_arg(args, int);
+int TownsAudioInterface::intf_setOutputVolume(va_list &args) {
+ int chanType = va_arg(args, int);
int left = va_arg(args, int);
int right = va_arg(args, int);
- // calculate mixer balance value
- int8 balance = right - left;
-
if (left & 0xff80 || right & 0xff80)
return 3;
static const uint8 flags[] = { 0x0C, 0x30, 0x40, 0x80 };
- //int a = (mode & 0x40) ? 4 : 0;
- int b = mode & 3;
+ uint8 chan = (chanType & 0x40) ? 8 : 12;
+
+ chanType &= 3;
left = (left & 0x7e) >> 1;
right = (right & 0x7e) >> 1;
- if (mode & 0x40)
- _cdaVolFlags |= flags[b];
+ if (chan)
+ _outputVolumeFlags |= flags[chanType];
else
- _cdaVolFlags &= ~flags[b];
+ _outputVolumeFlags &= ~flags[chanType];
- if (mode > 1) {
- // Unknown purpose / TODO
+ if (chanType > 1) {
+ _outputLevel[chan + chanType] = left;
+ } else {
+ if (chanType == 0)
+ chan -= 8;
+ _outputLevel[chan] = left;
+ _outputLevel[chan + 1] = right;
+ }
- } else if (mode == 1) {
- // FM Towns seems to support volumes of 0 - 63 for each channel.
- // We recalculate sane values for out 0 to 255 volume range.
+ updateOutputVolume();
- int vl = (int)(((float)left * 255.0f) / 63.0f);
- int vr = (int)(((float)right * 255.0f) / 63.0f);
- AudioCD.setVolume((vl + vr) >> 1);
- AudioCD.setBalance(balance);
+ return 0;
+}
- } else {
- // Unknown purpose / TODO
- }
+int TownsAudioInterface::intf_resetOutputVolume(va_list &args) {
+ memset(_outputLevel, 0, sizeof(_outputLevel));
+ _outputMuteFlags = 0;
+ _outputVolumeFlags = 0;
+ updateOutputVolume();
+ return 0;
+}
+int TownsAudioInterface::intf_updateOutputVolume(va_list &args) {
+ int flags = va_arg(args, int);
+ _outputMuteFlags = flags & 3;
+ updateOutputVolume();
+ return 0;
+}
+
+int TownsAudioInterface::intf_pcmUpdateEnvelopeGenerator(va_list &args) {
+ for (int i = 0; i < 8; i++)
+ pcmUpdateEnvelopeGenerator(i);
return 0;
}
@@ -1382,8 +1387,19 @@ void TownsAudioInterface::pcmCalcPhaseStep(TownsAudio_PcmChannel *p, TownsAudio_
p->step = (s * p->stepPitch) >> 14;
}
-void TownsAudioInterface::cdaReset() {
-
+void TownsAudioInterface::updateOutputVolume() {
+ // FM Towns seems to support volumes of 0 - 63 for each channel.
+ // We recalculate sane values for our 0 to 255 volume range and
+ // balance values for our -128 to 127 volume range
+
+ // CD-AUDIO
+ int vl = (int)(((float)_outputLevel[12] * 127.0f) / 63.0f);
+ int vr = (int)(((float)_outputLevel[13] * 127.0f) / 63.0f);
+ int8 balance = vr - vl;
+ vl = (int)(((float)_outputLevel[12] * 255.0f) / 63.0f);
+ vr = (int)(((float)_outputLevel[13] * 255.0f) / 63.0f);
+ AudioCD.setVolume((vl + vr) >> 1);
+ AudioCD.setBalance(balance);
}
const uint8 TownsAudioInterface::_chanFlags[] = {
@@ -1457,7 +1473,7 @@ void TownsAudio_PcmChannel::clear() {
stepNote = 0x4000;
stepPitch = 0x4000;
- panLeft = panRight = 0;
+ panLeft = panRight = 7;
envTotalLevel = envAttackRate = envDecayRate = envSustainLevel = envSustainRate = envReleaseRate = 0;
envStep = envCurrentLevel = 0;
diff --git a/sound/softsynth/fmtowns_pc98/towns_audio.h b/sound/softsynth/fmtowns_pc98/towns_audio.h
index 212c00c40f..950c016b4e 100644
--- a/sound/softsynth/fmtowns_pc98/towns_audio.h
+++ b/sound/softsynth/fmtowns_pc98/towns_audio.h
@@ -50,7 +50,7 @@ public:
void setSoundEffectVolume(int volume);
// Defines the channels used as sound effect channels for the purpose of ScummVM GUI volume control.
// The first 6 bits are the 6 fm channels. The next 8 bits are pcm channels.
- void setSoundEffectChanMask(uint32 mask);
+ void setSoundEffectChanMask(int mask);
private:
void nextTickEx(int32 *buffer, uint32 bufferSize);
@@ -92,8 +92,9 @@ private:
int intf_fmSetPitch(va_list &args);
int intf_fmSetLevel(va_list &args);
int intf_fmReset(va_list &args);
- int intf_cdaSetVolume(va_list &args);
- int intf_cdaReset(va_list &args);
+ int intf_setOutputVolume(va_list &args);
+ int intf_resetOutputVolume(va_list &args);
+ int intf_updateOutputVolume(va_list &args);
int intf_pcmUpdateEnvelopeGenerator(va_list &args);
int intf_notImpl(va_list &args);
@@ -148,9 +149,10 @@ private:
void pcmCalcPhaseStep(TownsAudio_PcmChannel *p, TownsAudio_WaveTable *w);
- void cdaReset();
-
- uint8 _cdaVolFlags;
+ void updateOutputVolume();
+ uint8 _outputVolumeFlags;
+ uint8 _outputLevel[16];
+ uint8 _outputMuteFlags;
const float _baserate;
uint32 _timerBase;
@@ -159,7 +161,7 @@ private:
uint16 _musicVolume;
uint16 _sfxVolume;
- uint32 _pcmSfxChanMask;
+ int _pcmSfxChanMask;
TownsAudioInterfacePluginDriver *_drv;
bool _ready;
diff --git a/sound/softsynth/fmtowns_pc98/towns_euphony.cpp b/sound/softsynth/fmtowns_pc98/towns_euphony.cpp
index e23d5bcb36..0c0c203cc9 100644
--- a/sound/softsynth/fmtowns_pc98/towns_euphony.cpp
+++ b/sound/softsynth/fmtowns_pc98/towns_euphony.cpp
@@ -180,6 +180,10 @@ void TownsEuphonyDriver::stopParser() {
}
}
+void TownsEuphonyDriver::continueParsing() {
+ _suspendParsing = false;
+}
+
void TownsEuphonyDriver::playSoundEffect(int chan, int note, int velo, const uint8 *data) {
_intf->callback(37, chan, note, velo, data);
}
@@ -204,7 +208,7 @@ void TownsEuphonyDriver::chanVolume(int chan, int vol) {
_intf->callback(8, chan, vol);
}
-void TownsEuphonyDriver::cdaSetVolume(int mode, int volLeft, int volRight) {
+void TownsEuphonyDriver::setOutputVolume(int mode, int volLeft, int volRight) {
_intf->callback(67, mode, volLeft, volRight);
}
@@ -230,7 +234,7 @@ int TownsEuphonyDriver::chanOrdr(int tableEntry, int val) {
return 0;
}
-int TownsEuphonyDriver::chanLevel(int tableEntry, int val) {
+int TownsEuphonyDriver::chanVolumeShift(int tableEntry, int val) {
if (tableEntry > 31)
return 3;
if (val <= 40)
@@ -238,7 +242,7 @@ int TownsEuphonyDriver::chanLevel(int tableEntry, int val) {
return 0;
}
-int TownsEuphonyDriver::chanTranspose(int tableEntry, int val) {
+int TownsEuphonyDriver::chanNoteShift(int tableEntry, int val) {
if (tableEntry > 31)
return 3;
if (val <= 40)
@@ -660,8 +664,8 @@ bool TownsEuphonyDriver::evtSetupNote() {
uint8 velo = _musicPos[5];
sendEvent(mode, evt);
- sendEvent(mode, prepTranspose(note));
- sendEvent(mode, prepVelo(velo));
+ sendEvent(mode, applyNoteShift(note));
+ sendEvent(mode, applyVolumeShift(velo));
jumpNextLoop();
if (_musicPos[0] == 0xfe || _musicPos[0] == 0xfd)
@@ -700,7 +704,7 @@ bool TownsEuphonyDriver::evtPolyphonicAftertouch() {
uint8 mode = _tMode[_musicPos[1]];
sendEvent(mode, evt);
- sendEvent(mode, prepTranspose(_musicPos[4]));
+ sendEvent(mode, applyNoteShift(_musicPos[4]));
sendEvent(mode, _musicPos[5]);
return false;
@@ -768,7 +772,7 @@ bool TownsEuphonyDriver::evtModeOrdrChange() {
return false;
}
-uint8 TownsEuphonyDriver::prepTranspose(uint8 in) {
+uint8 TownsEuphonyDriver::applyNoteShift(uint8 in) {
int out = _tTranspose[_musicPos[1]];
if (!out)
return in;
@@ -783,7 +787,7 @@ uint8 TownsEuphonyDriver::prepTranspose(uint8 in) {
return out & 0xff;
}
-uint8 TownsEuphonyDriver::prepVelo(uint8 in) {
+uint8 TownsEuphonyDriver::applyVolumeShift(uint8 in) {
int out = _tLevel[_musicPos[1]];
out += (in & 0x7f);
out = CLIP(out, 1, 127);
diff --git a/sound/softsynth/fmtowns_pc98/towns_euphony.h b/sound/softsynth/fmtowns_pc98/towns_euphony.h
index 2026a299c1..fa1f8ba496 100644
--- a/sound/softsynth/fmtowns_pc98/towns_euphony.h
+++ b/sound/softsynth/fmtowns_pc98/towns_euphony.h
@@ -45,6 +45,8 @@ public:
int startMusicTrack(const uint8 *data, int trackSize, int startTick);
void setMusicLoop(bool loop);
void stopParser();
+ bool parserIsPlaying() {return _playing; }
+ void continueParsing();
void playSoundEffect(int chan, int note, int velo, const uint8 *data);
void stopSoundEffect(int chan);
@@ -54,13 +56,13 @@ public:
void chanPitch(int chan, int pitch);
void chanVolume(int chan, int vol);
- void cdaSetVolume(int mode, int volLeft, int volRight);
+ void setOutputVolume(int chanType, int volLeft, int volRight);
int chanEnable(int tableEntry, int val);
int chanMode(int tableEntry, int val);
int chanOrdr(int tableEntry, int val);
- int chanLevel(int tableEntry, int val);
- int chanTranspose(int tableEntry, int val);
+ int chanVolumeShift(int tableEntry, int val);
+ int chanNoteShift(int tableEntry, int val);
int assignChannel(int chan, int tableEntry);
@@ -112,8 +114,8 @@ private:
return false;
}
- uint8 prepTranspose(uint8 in);
- uint8 prepVelo(uint8 in);
+ uint8 applyNoteShift(uint8 in);
+ uint8 applyVolumeShift(uint8 in);
void sendNoteOff();
void sendNoteOn();
diff --git a/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp b/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp
index 507c8e159a..241b9bde50 100644
--- a/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp
+++ b/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp
@@ -28,7 +28,7 @@
class TownsPC98_FmSynthOperator {
public:
- TownsPC98_FmSynthOperator(const uint32 timerbase, const uint8 *rateTable,
+ TownsPC98_FmSynthOperator(const uint32 timerbase, const uint32 rtt, const uint8 *rateTable,
const uint8 *shiftTable, const uint8 *attackDecayTable, const uint32 *frqTable,
const uint32 *sineTable, const int32 *tlevelOut, const int32 *detuneTable);
~TownsPC98_FmSynthOperator() {}
@@ -108,6 +108,7 @@ protected:
const uint32 _tickLength;
uint32 _timer;
+ const uint32 _rtt;
int32 _currentLevel;
struct EvpState {
@@ -116,10 +117,10 @@ protected:
} fs_a, fs_d, fs_s, fs_r;
};
-TownsPC98_FmSynthOperator::TownsPC98_FmSynthOperator(const uint32 timerbase, const uint8 *rateTable,
- const uint8 *shiftTable, const uint8 *attackDecayTable, const uint32 *frqTable,
- const uint32 *sineTable, const int32 *tlevelOut, const int32 *detuneTable) :
- _rateTbl(rateTable), _rshiftTbl(shiftTable), _adTbl(attackDecayTable), _fTbl(frqTable),
+TownsPC98_FmSynthOperator::TownsPC98_FmSynthOperator(const uint32 timerbase, const uint32 rtt,
+ const uint8 *rateTable, const uint8 *shiftTable, const uint8 *attackDecayTable,
+ const uint32 *frqTable, const uint32 *sineTable, const int32 *tlevelOut, const int32 *detuneTable) :
+ _rtt(rtt), _rateTbl(rateTable), _rshiftTbl(shiftTable), _adTbl(attackDecayTable), _fTbl(frqTable),
_sinTbl(sineTable), _tLvlTbl(tlevelOut), _detnTbl(detuneTable), _tickLength(timerbase * 2),
_specifiedAttackRate(0), _specifiedDecayRate(0), _specifiedReleaseRate(0), _specifiedSustainRate(0),
_phase(0), _state(kEnvReady), _playing(false), _timer(0), _keyScale1(0),
@@ -190,8 +191,8 @@ void TownsPC98_FmSynthOperator::generateOutput(int32 phasebuf, int32 *feed, int3
return;
_timer += _tickLength;
- while (_timer > 0x5B8D80) {
- _timer -= 0x5B8D80;
+ while (_timer > _rtt) {
+ _timer -= _rtt;
++_tickCount;
int32 levelIncrement = 0;
@@ -308,7 +309,7 @@ bool TownsPC98_FmSynthOperator::scaleRate(uint8 value) {
class TownsPC98_FmSynthSquareSineSource {
public:
- TownsPC98_FmSynthSquareSineSource(const uint32 timerbase);
+ TownsPC98_FmSynthSquareSineSource(const uint32 timerbase, const uint32 rtt);
~TownsPC98_FmSynthSquareSineSource();
void init(const int *rsTable, const int *rseTable);
@@ -351,6 +352,7 @@ private:
const uint32 _tickLength;
uint32 _timer;
+ const uint32 _rtt;
struct Channel {
int tick;
@@ -377,7 +379,7 @@ private:
class TownsPC98_FmSynthPercussionSource {
public:
- TownsPC98_FmSynthPercussionSource(const uint32 timerbase);
+ TownsPC98_FmSynthPercussionSource(const uint32 timerbase, const uint32 rtt);
~TownsPC98_FmSynthPercussionSource() {
delete[] _reg;
}
@@ -429,6 +431,7 @@ private:
const uint32 _tickLength;
uint32 _timer;
+ const uint32 _rtt;
uint8 **_reg;
@@ -440,8 +443,8 @@ private:
bool _ready;
};
-TownsPC98_FmSynthSquareSineSource::TownsPC98_FmSynthSquareSineSource(const uint32 timerbase) : _tlTable(0),
- _tleTable(0), _updateRequest(-1), _tickLength(timerbase * 27), _ready(0), _reg(0), _rand(1), _outN(1),
+TownsPC98_FmSynthSquareSineSource::TownsPC98_FmSynthSquareSineSource(const uint32 timerbase, const uint32 rtt) : _tlTable(0),
+ _rtt(rtt), _tleTable(0), _updateRequest(-1), _tickLength(timerbase * 27), _ready(0), _reg(0), _rand(1), _outN(1),
_nTick(0), _evpUpdateCnt(0), _evpTimer(0x1f), _pReslt(0x1f), _attack(0), _cont(false), _evpUpdate(true),
_timer(0), _noiseGenerator(0), _chanEnable(0),
_volMaskA(0), _volMaskB(0), _volumeA(Audio::Mixer::kMaxMixerVolume), _volumeB(Audio::Mixer::kMaxMixerVolume) {
@@ -558,8 +561,8 @@ void TownsPC98_FmSynthSquareSineSource::nextTick(int32 *buffer, uint32 bufferSiz
for (uint32 i = 0; i < bufferSize; i++) {
_timer += _tickLength;
- while (_timer > 0x5B8D80) {
- _timer -= 0x5B8D80;
+ while (_timer > _rtt) {
+ _timer -= _rtt;
if (++_nTick >= (_noiseGenerator & 0x1f)) {
if ((_rand + 1) & 2)
@@ -597,7 +600,7 @@ void TownsPC98_FmSynthSquareSineSource::nextTick(int32 *buffer, uint32 bufferSiz
int32 finOut = 0;
for (int ii = 0; ii < 3; ii++) {
-int32 finOutTemp = ((_channels[ii].vol >> 4) & 1) ? _tleTable[_channels[ii].out ? _pReslt : 0] : _tlTable[_channels[ii].out ? (_channels[ii].vol & 0x0f) : 0];
+ int32 finOutTemp = ((_channels[ii].vol >> 4) & 1) ? _tleTable[_channels[ii].out ? _pReslt : 0] : _tlTable[_channels[ii].out ? (_channels[ii].vol & 0x0f) : 0];
if ((1 << ii) & _volMaskA)
finOutTemp = (finOutTemp * _volumeA) / Audio::Mixer::kMaxMixerVolume;
@@ -624,8 +627,8 @@ void TownsPC98_FmSynthSquareSineSource::updateRegs() {
_updateRequest = -1;
}
-TownsPC98_FmSynthPercussionSource::TownsPC98_FmSynthPercussionSource(const uint32 timerbase) :
- _tickLength(timerbase * 2), _timer(0), _ready(false), _volMaskA(0), _volMaskB(0), _volumeA(Audio::Mixer::kMaxMixerVolume), _volumeB(Audio::Mixer::kMaxMixerVolume) {
+TownsPC98_FmSynthPercussionSource::TownsPC98_FmSynthPercussionSource(const uint32 timerbase, const uint32 rtt) :
+ _rtt(rtt), _tickLength(timerbase * 2), _timer(0), _ready(false), _volMaskA(0), _volMaskB(0), _volumeA(Audio::Mixer::kMaxMixerVolume), _volumeB(Audio::Mixer::kMaxMixerVolume) {
memset(_rhChan, 0, sizeof(RhtChannel) * 6);
_reg = new uint8 *[40];
@@ -758,8 +761,8 @@ void TownsPC98_FmSynthPercussionSource::nextTick(int32 *buffer, uint32 bufferSiz
for (uint32 i = 0; i < bufferSize; i++) {
_timer += _tickLength;
- while (_timer > 0x5B8D80) {
- _timer -= 0x5B8D80;
+ while (_timer > _rtt) {
+ _timer -= _rtt;
for (int ii = 0; ii < 6; ii++) {
RhtChannel *s = &_rhChan[ii];
@@ -826,7 +829,7 @@ TownsPC98_FmSynth::TownsPC98_FmSynth(Audio::Mixer *mixer, EmuType type) :
_chanInternal(0), _ssg(0), _prc(0),
_numChan(type == kType26 ? 3 : 6), _numSSG(type == kTypeTowns ? 0 : 3), _hasPercussion(type == kType86 ? true : false),
_oprRates(0), _oprRateshift(0), _oprAttackDecay(0), _oprFrq(0), _oprSinTbl(0), _oprLevelOut(0), _oprDetune(0),
- _baserate(55125.0f / (float)mixer->getOutputRate()),
+ _rtt(type == kTypeTowns ? 0x514767 : 0x5B8D80), _baserate(55125.0f / (float)mixer->getOutputRate()),
_volMaskA(0), _volMaskB(0), _volumeA(255), _volumeB(255),
_regProtectionFlag(false), _ready(false) {
@@ -834,7 +837,7 @@ TownsPC98_FmSynth::TownsPC98_FmSynth(Audio::Mixer *mixer, EmuType type) :
memset(&_timers[1], 0, sizeof(ChipTimer));
_timers[0].cb = &TownsPC98_FmSynth::timerCallbackA;
_timers[1].cb = &TownsPC98_FmSynth::timerCallbackB;
- _timerbase = (uint32)(_baserate * 1000000.0f);
+ _timerbase = (uint32)(_baserate * 1000000.0f);
}
TownsPC98_FmSynth::~TownsPC98_FmSynth() {
@@ -865,16 +868,16 @@ bool TownsPC98_FmSynth::init() {
for (int i = 0; i < _numChan; i++) {
memset(&_chanInternal[i], 0, sizeof(ChanInternal));
for (int j = 0; j < 4; ++j)
- _chanInternal[i].opr[j] = new TownsPC98_FmSynthOperator(_timerbase, _oprRates, _oprRateshift, _oprAttackDecay, _oprFrq, _oprSinTbl, _oprLevelOut, _oprDetune);
+ _chanInternal[i].opr[j] = new TownsPC98_FmSynthOperator(_timerbase, _rtt, _oprRates, _oprRateshift, _oprAttackDecay, _oprFrq, _oprSinTbl, _oprLevelOut, _oprDetune);
}
if (_numSSG) {
- _ssg = new TownsPC98_FmSynthSquareSineSource(_timerbase);
+ _ssg = new TownsPC98_FmSynthSquareSineSource(_timerbase, _rtt);
_ssg->init(&_ssgTables[0], &_ssgTables[16]);
}
if (_hasPercussion) {
- _prc = new TownsPC98_FmSynthPercussionSource(_timerbase);
+ _prc = new TownsPC98_FmSynthPercussionSource(_timerbase, _rtt);
_prc->init(_percussionData);
}
diff --git a/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h b/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h
index 34ee2ce7b8..3072503610 100644
--- a/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h
+++ b/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h
@@ -160,6 +160,7 @@ private:
const float _baserate;
uint32 _timerbase;
+ uint32 _rtt;
Audio::Mixer *_mixer;
Audio::SoundHandle _soundHandle;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 07:24:34 +0000