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-rw-r--r--audio/softsynth/fmtowns_pc98/towns_audio.cpp1583
-rw-r--r--audio/softsynth/fmtowns_pc98/towns_audio.h179
-rw-r--r--audio/softsynth/fmtowns_pc98/towns_euphony.cpp905
-rw-r--r--audio/softsynth/fmtowns_pc98/towns_euphony.h187
-rw-r--r--audio/softsynth/fmtowns_pc98/towns_pc98_driver.cpp1428
-rw-r--r--audio/softsynth/fmtowns_pc98/towns_pc98_driver.h135
-rw-r--r--audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp1548
-rw-r--r--audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h196
8 files changed, 6161 insertions, 0 deletions
diff --git a/audio/softsynth/fmtowns_pc98/towns_audio.cpp b/audio/softsynth/fmtowns_pc98/towns_audio.cpp
new file mode 100644
index 0000000000..e019aa2481
--- /dev/null
+++ b/audio/softsynth/fmtowns_pc98/towns_audio.cpp
@@ -0,0 +1,1583 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "audio/softsynth/fmtowns_pc98/towns_audio.h"
+#include "common/endian.h"
+#include "backends/audiocd/audiocd.h"
+
+
+class TownsAudio_PcmChannel {
+friend class TownsAudioInterface;
+public:
+ TownsAudio_PcmChannel();
+ ~TownsAudio_PcmChannel();
+
+private:
+ void loadExtData(uint8 *buffer, uint32 size);
+ void setupLoop(uint32 start, uint32 len);
+ void clear();
+
+ void envAttack();
+ void envDecay();
+ void envSustain();
+ void envRelease();
+
+ uint8 *curInstrument;
+ uint8 note;
+ uint8 velo;
+
+ int8 *data;
+ int8 *dataEnd;
+
+ int8 *loopEnd;
+ uint32 loopLen;
+
+ uint16 stepNote;
+ uint16 stepPitch;
+ uint16 step;
+
+ uint8 panLeft;
+ uint8 panRight;
+
+ uint32 pos;
+
+ uint8 envTotalLevel;
+ uint8 envAttackRate;
+ uint8 envDecayRate;
+ uint8 envSustainLevel;
+ uint8 envSustainRate;
+ uint8 envReleaseRate;
+
+ int16 envStep;
+ int16 envCurrentLevel;
+
+ EnvelopeState envState;
+
+ int8 *extData;
+};
+
+class TownsAudio_WaveTable {
+friend class TownsAudioInterface;
+public:
+ TownsAudio_WaveTable();
+ ~TownsAudio_WaveTable();
+
+private:
+ void readHeader(const uint8 *buffer);
+ void readData(const uint8 *buffer);
+ void clear();
+
+ char name[9];
+ int32 id;
+ uint32 size;
+ uint32 loopStart;
+ uint32 loopLen;
+ uint16 rate;
+ uint16 rateOffs;
+ uint16 baseNote;
+ int8 *data;
+};
+
+TownsAudioInterface::TownsAudioInterface(Audio::Mixer *mixer, TownsAudioInterfacePluginDriver *driver) : TownsPC98_FmSynth(mixer, kTypeTowns),
+ _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),
+ _outputVolumeFlags(0), _outputMuteFlags(0), _pcmChanOut(0), _pcmChanReserved(0), _pcmChanKeyPressed(0),
+ _pcmChanEffectPlaying(0), _pcmChanKeyPlaying(0), _ready(false) {
+
+#define INTCB(x) &TownsAudioInterface::intf_##x
+ static const TownsAudioIntfCallback intfCb[] = {
+ // 0
+ INTCB(reset),
+ INTCB(keyOn),
+ INTCB(keyOff),
+ INTCB(setPanPos),
+ // 4
+ INTCB(setInstrument),
+ INTCB(loadInstrument),
+ INTCB(notImpl),
+ INTCB(setPitch),
+ // 8
+ INTCB(setLevel),
+ INTCB(chanOff),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ // 12
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ // 16
+ INTCB(notImpl),
+ INTCB(writeReg),
+ INTCB(notImpl),
+ INTCB(writeRegBuffer),
+ // 20
+ INTCB(readRegBuffer),
+ INTCB(setTimerA),
+ INTCB(setTimerB),
+ INTCB(enableTimerA),
+ // 24
+ INTCB(enableTimerB),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ // 28
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ // 32
+ INTCB(loadSamples),
+ INTCB(reserveEffectChannels),
+ INTCB(loadWaveTable),
+ INTCB(unloadWaveTable),
+ // 36
+ INTCB(notImpl),
+ INTCB(pcmPlayEffect),
+ INTCB(notImpl),
+ INTCB(pcmChanOff),
+ // 40
+ INTCB(pcmEffectPlaying),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ // 44
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ // 48
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(fmKeyOn),
+ INTCB(fmKeyOff),
+ // 52
+ INTCB(fmSetPanPos),
+ INTCB(fmSetInstrument),
+ INTCB(fmLoadInstrument),
+ INTCB(notImpl),
+ // 56
+ INTCB(fmSetPitch),
+ INTCB(fmSetLevel),
+ INTCB(fmReset),
+ INTCB(notImpl),
+ // 60
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ // 64
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(setOutputVolume),
+ // 68
+ INTCB(resetOutputVolume),
+ INTCB(notImpl),
+ INTCB(updateOutputVolume),
+ INTCB(notImpl),
+ // 72
+ INTCB(notImpl),
+ INTCB(cdaToggle),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ // 76
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ INTCB(notImpl),
+ // 80
+ INTCB(pcmUpdateEnvelopeGenerator),
+ INTCB(notImpl)
+ };
+#undef INTCB
+
+ _intfOpcodes = intfCb;
+
+ memset(_fmSaveReg, 0, sizeof(_fmSaveReg));
+ memset(_outputLevel, 0, sizeof(_outputLevel));
+
+ _timerBase = (uint32)(_baserate * 1000000.0f);
+ _tickLength = 2 * _timerBase;
+}
+
+TownsAudioInterface::~TownsAudioInterface() {
+ _ready = false;
+ deinit();
+
+ delete[] _fmSaveReg[0];
+ delete[] _fmSaveReg[1];
+ delete[] _fmInstruments;
+ delete[] _pcmInstruments;
+ delete[] _waveTables;
+ delete[] _pcmChan;
+}
+
+bool TownsAudioInterface::init() {
+ if (_ready)
+ return true;
+
+ if (!TownsPC98_FmSynth::init())
+ return false;
+
+ _fmSaveReg[0] = new uint8[256];
+ _fmSaveReg[1] = new uint8[256];
+ _fmInstruments = new uint8[128 * 48];
+ _pcmInstruments = new uint8[32 * 128];
+ _waveTables = new TownsAudio_WaveTable[128];
+ _pcmChan = new TownsAudio_PcmChannel[8];
+
+ _timer = 0;
+
+ setVolumeChannelMasks(-1, 0);
+
+ _ready = true;
+ callback(0);
+
+ return true;
+}
+
+int TownsAudioInterface::callback(int command, ...) {
+ if (!_ready)
+ return 1;
+
+ va_list args;
+ va_start(args, command);
+
+ if (command > 81) {
+ va_end(args);
+ return 4;
+ }
+
+ int res = (this->*_intfOpcodes[command])(args);
+
+ va_end(args);
+ return res;
+}
+
+void TownsAudioInterface::setMusicVolume(int volume) {
+ _musicVolume = CLIP<uint16>(volume, 0, Audio::Mixer::kMaxMixerVolume);
+ setVolumeIntern(_musicVolume, _sfxVolume);
+}
+
+void TownsAudioInterface::setSoundEffectVolume(int volume) {
+ _sfxVolume = CLIP<uint16>(volume, 0, Audio::Mixer::kMaxMixerVolume);
+ setVolumeIntern(_musicVolume, _sfxVolume);
+}
+
+void TownsAudioInterface::setSoundEffectChanMask(int mask) {
+ _pcmSfxChanMask = mask >> 6;
+ mask &= 0x3f;
+ setVolumeChannelMasks(~mask, mask);
+}
+
+void TownsAudioInterface::nextTickEx(int32 *buffer, uint32 bufferSize) {
+ if (!_ready)
+ return;
+
+ for (uint32 i = 0; i < bufferSize; i++) {
+ _timer += _tickLength;
+ while (_timer > 0x514767) {
+ _timer -= 0x514767;
+
+ for (int ii = 0; ii < 8; ii++) {
+ if ((_pcmChanKeyPlaying & _chanFlags[ii]) || (_pcmChanEffectPlaying & _chanFlags[ii])) {
+ TownsAudio_PcmChannel *s = &_pcmChan[ii];
+ s->pos += s->step;
+
+ if (&s->data[s->pos >> 11] >= s->loopEnd) {
+ if (s->loopLen) {
+ s->pos -= s->loopLen;
+ } else {
+ s->pos = 0;
+ _pcmChanEffectPlaying &= ~_chanFlags[ii];
+ _pcmChanKeyPlaying &= ~_chanFlags[ii];
+ }
+ }
+ }
+ }
+ }
+
+ int32 finOutL = 0;
+ int32 finOutR = 0;
+
+ for (int ii = 0; ii < 8; ii++) {
+ if (_pcmChanOut & _chanFlags[ii]) {
+ int32 o = _pcmChan[ii].data[_pcmChan[ii].pos >> 11] * _pcmChan[ii].velo;
+ if ((1 << ii) & (~_pcmSfxChanMask))
+ o = (o * _musicVolume) / Audio::Mixer::kMaxMixerVolume;
+ if ((1 << ii) & _pcmSfxChanMask)
+ o = (o * _sfxVolume) / Audio::Mixer::kMaxMixerVolume;
+ if (_pcmChan[ii].panLeft)
+ finOutL += ((o * _pcmChan[ii].panLeft) >> 3);
+ if (_pcmChan[ii].panRight)
+ finOutR += ((o * _pcmChan[ii].panRight) >> 3);
+ if (!((_pcmChanKeyPlaying & _chanFlags[ii]) || (_pcmChanEffectPlaying & _chanFlags[ii])))
+ _pcmChanOut &= ~_chanFlags[ii];
+ }
+ }
+
+ buffer[i << 1] += finOutL;
+ buffer[(i << 1) + 1] += finOutR;
+ }
+}
+
+void TownsAudioInterface::timerCallbackA() {
+ Common::StackLock lock(_mutex);
+ if (_drv && _ready)
+ _drv->timerCallback(0);
+}
+
+void TownsAudioInterface::timerCallbackB() {
+ Common::StackLock lock(_mutex);
+ if (_ready) {
+ if (_drv)
+ _drv->timerCallback(1);
+ callback(80);
+ }
+}
+
+int TownsAudioInterface::intf_reset(va_list &args) {
+ fmReset();
+ pcmReset();
+ callback(68);
+ return 0;
+}
+
+int TownsAudioInterface::intf_keyOn(va_list &args) {
+ int chan = va_arg(args, int);
+ int note = va_arg(args, int);
+ int velo = va_arg(args, int);
+ return (chan & 0x40) ? pcmKeyOn(chan, note, velo) : fmKeyOn(chan, note, velo);
+}
+
+int TownsAudioInterface::intf_keyOff(va_list &args) {
+ int chan = va_arg(args, int);
+ return (chan & 0x40) ? pcmKeyOff(chan) : fmKeyOff(chan);
+}
+
+int TownsAudioInterface::intf_setPanPos(va_list &args) {
+ int chan = va_arg(args, int);
+ int mode = va_arg(args, int);
+ return (chan & 0x40) ? pcmSetPanPos(chan, mode) : fmSetPanPos(chan, mode);
+}
+
+int TownsAudioInterface::intf_setInstrument(va_list &args) {
+ int chan = va_arg(args, int);
+ int instrId = va_arg(args, int);
+ return (chan & 0x40) ? pcmSetInstrument(chan, instrId) : fmSetInstrument(chan, instrId);
+}
+
+int TownsAudioInterface::intf_loadInstrument(va_list &args) {
+ int chanType = va_arg(args, int);
+ int instrId = va_arg(args, int);
+ uint8 *instrData = va_arg(args, uint8 *);
+ return (chanType & 0x40) ? pcmLoadInstrument(instrId, instrData) : fmLoadInstrument(instrId, instrData);
+}
+
+int TownsAudioInterface::intf_setPitch(va_list &args) {
+ int chan = va_arg(args, int);
+ int16 pitch = (int16)(va_arg(args, int) & 0xffff);
+ return (chan & 0x40) ? pcmSetPitch(chan, pitch) : fmSetPitch(chan, pitch);
+}
+
+int TownsAudioInterface::intf_setLevel(va_list &args) {
+ int chan = va_arg(args, int);
+ int lvl = va_arg(args, int);
+ return (chan & 0x40) ? pcmSetLevel(chan, lvl) : fmSetLevel(chan, lvl);
+}
+
+int TownsAudioInterface::intf_chanOff(va_list &args) {
+ int chan = va_arg(args, int);
+ return (chan & 0x40) ? pcmChanOff(chan) : fmChanOff(chan);
+}
+
+int TownsAudioInterface::intf_writeReg(va_list &args) {
+ int part = va_arg(args, int) ? 1 : 0;
+ int reg = va_arg(args, int);
+ int val = va_arg(args, int);
+ if ((!part && reg < 0x20) || (part && reg < 0x30) || (reg > 0xb6))
+ return 3;
+
+ bufferedWriteReg(part, reg, val);
+ return 0;
+}
+
+int TownsAudioInterface::intf_writeRegBuffer(va_list &args) {
+ int part = va_arg(args, int) ? 1 : 0;
+ int reg = va_arg(args, int);
+ int val = va_arg(args, int);
+
+ if ((!part && reg < 0x20) || (part && reg < 0x30) || (reg > 0xef))
+ return 3;
+
+ _fmSaveReg[part][reg] = val;
+ return 0;
+}
+
+int TownsAudioInterface::intf_readRegBuffer(va_list &args) {
+ int part = va_arg(args, int) ? 1 : 0;
+ int reg = va_arg(args, int);
+ uint8 *dst = va_arg(args, uint8 *);
+ *dst = 0;
+
+ if ((!part && reg < 0x20) || (part && reg < 0x30) || (reg > 0xef))
+ return 3;
+
+ *dst = _fmSaveReg[part][reg];
+ return 0;
+}
+
+int TownsAudioInterface::intf_setTimerA(va_list &args) {
+ int enable = va_arg(args, int);
+ int tempo = va_arg(args, int);
+
+ if (enable) {
+ bufferedWriteReg(0, 0x25, tempo & 3);
+ bufferedWriteReg(0, 0x24, (tempo >> 2) & 0xff);
+ bufferedWriteReg(0, 0x27, _fmSaveReg[0][0x27] | 0x05);
+ } else {
+ bufferedWriteReg(0, 0x27, (_fmSaveReg[0][0x27] & 0xfa) | 0x10);
+ }
+
+ return 0;
+}
+
+int TownsAudioInterface::intf_setTimerB(va_list &args) {
+ int enable = va_arg(args, int);
+ int tempo = va_arg(args, int);
+
+ if (enable) {
+ bufferedWriteReg(0, 0x26, tempo & 0xff);
+ bufferedWriteReg(0, 0x27, _fmSaveReg[0][0x27] | 0x0A);
+ } else {
+ bufferedWriteReg(0, 0x27, (_fmSaveReg[0][0x27] & 0xf5) | 0x20);
+ }
+
+ return 0;
+}
+
+int TownsAudioInterface::intf_enableTimerA(va_list &args) {
+ bufferedWriteReg(0, 0x27, _fmSaveReg[0][0x27] | 0x15);
+ return 0;
+}
+
+int TownsAudioInterface::intf_enableTimerB(va_list &args) {
+ bufferedWriteReg(0, 0x27, _fmSaveReg[0][0x27] | 0x2a);
+ return 0;
+}
+
+int TownsAudioInterface::intf_loadSamples(va_list &args) {
+ uint32 dest = va_arg(args, uint32);
+ int size = va_arg(args, int);
+ uint8 *src = va_arg(args, uint8*);
+
+ if (dest >= 65536 || size == 0 || size > 65536)
+ return 3;
+ if (size + dest > 65536)
+ return 5;
+
+ int dwIndex = _numWaveTables - 1;
+ for (uint32 t = _waveTablesTotalDataSize; dwIndex && (dest < t); dwIndex--)
+ t -= _waveTables[dwIndex].size;
+
+ TownsAudio_WaveTable *s = &_waveTables[dwIndex];
+ _waveTablesTotalDataSize -= s->size;
+ s->size = size;
+ s->readData(src);
+ _waveTablesTotalDataSize += s->size;
+
+ return 0;
+}
+
+int TownsAudioInterface::intf_reserveEffectChannels(va_list &args) {
+ int numChan = va_arg(args, int);
+ if (numChan > 8)
+ return 3;
+ if ((numChan << 13) + _waveTablesTotalDataSize > 65536)
+ return 5;
+
+ if (numChan == _numReservedChannels)
+ return 0;
+
+ if (numChan < _numReservedChannels) {
+ int c = 8 - _numReservedChannels;
+ for (int i = numChan; i; i--) {
+ uint8 f = ~_chanFlags[c--];
+ _pcmChanEffectPlaying &= f;
+ }
+ } else {
+ int c = 7 - _numReservedChannels;
+ for (int i = numChan - _numReservedChannels; i; i--) {
+ uint8 f = ~_chanFlags[c--];
+ _pcmChanKeyPressed &= f;
+ _pcmChanKeyPlaying &= f;
+ }
+ }
+
+ static const uint8 reserveChanFlags[] = { 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xFE, 0xFF };
+ _numReservedChannels = numChan;
+ _pcmChanReserved = reserveChanFlags[_numReservedChannels];
+
+ return 0;
+}
+
+int TownsAudioInterface::intf_loadWaveTable(va_list &args) {
+ uint8 *data = va_arg(args, uint8 *);
+ if (_numWaveTables > 127)
+ return 3;
+
+ TownsAudio_WaveTable w;
+ w.readHeader(data);
+ if (!w.size)
+ return 6;
+
+ if (_waveTablesTotalDataSize + w.size > 65504)
+ return 5;
+
+ for (int i = 0; i < _numWaveTables; i++) {
+ if (_waveTables[i].id == w.id)
+ return 10;
+ }
+
+ TownsAudio_WaveTable *s = &_waveTables[_numWaveTables++];
+ s->readHeader(data);
+
+ _waveTablesTotalDataSize += s->size;
+ callback(32, _waveTablesTotalDataSize, s->size, data + 32);
+
+ return 0;
+}
+
+int TownsAudioInterface::intf_unloadWaveTable(va_list &args) {
+ int id = va_arg(args, int);
+
+ if (id == -1) {
+ for (int i = 0; i < 128; i++)
+ _waveTables[i].clear();
+ _numWaveTables = 0;
+ _waveTablesTotalDataSize = 0;
+ } else {
+ if (_waveTables) {
+ for (int i = 0; i < _numWaveTables; i++) {
+ if (_waveTables[i].id == id) {
+ _numWaveTables--;
+ _waveTablesTotalDataSize -= _waveTables[i].size;
+ _waveTables[i].clear();
+ for (; i < _numWaveTables; i++)
+ memcpy(&_waveTables[i], &_waveTables[i + 1], sizeof(TownsAudio_WaveTable));
+ return 0;
+ }
+ return 9;
+ }
+ }
+ }
+
+ return 0;
+}
+
+int TownsAudioInterface::intf_pcmPlayEffect(va_list &args) {
+ int chan = va_arg(args, int);
+ int note = va_arg(args, int);
+ int velo = va_arg(args, int);
+ uint8 *data = va_arg(args, uint8 *);
+
+ if (chan < 0x40 || chan > 0x47)
+ return 1;
+
+ if (note & 0x80 || velo & 0x80)
+ return 3;
+
+ chan -= 0x40;
+
+ if (!(_pcmChanReserved & _chanFlags[chan]))
+ return 7;
+
+ if ((_pcmChanEffectPlaying & _chanFlags[chan]))
+ return 2;
+
+ TownsAudio_WaveTable w;
+ w.readHeader(data);
+
+ if (w.size < (w.loopStart + w.loopLen))
+ return 13;
+
+ if (!w.size)
+ return 6;
+
+ TownsAudio_PcmChannel *p = &_pcmChan[chan];
+
+ _pcmChanNote[chan] = note;
+ _pcmChanVelo[chan] = velo;
+
+ p->note = note;
+ p->velo = velo << 1;
+
+ p->loadExtData(data + 32, w.size);
+ p->setupLoop(w.loopStart, w.loopLen);
+
+ pcmCalcPhaseStep(p, &w);
+ if (p->step > 2048)
+ p->step = 2048;
+
+ _pcmChanEffectPlaying |= _chanFlags[chan];
+ _pcmChanOut |= _chanFlags[chan];
+
+ return 0;
+}
+
+int TownsAudioInterface::intf_pcmChanOff(va_list &args) {
+ int chan = va_arg(args, int);
+ pcmChanOff(chan);
+ return 0;
+}
+
+int TownsAudioInterface::intf_pcmEffectPlaying(va_list &args) {
+ int chan = va_arg(args, int);
+ if (chan < 0x40 || chan > 0x47)
+ return 1;
+ chan -= 0x40;
+ return (_pcmChanEffectPlaying & _chanFlags[chan]) ? 1 : 0;
+}
+
+int TownsAudioInterface::intf_fmKeyOn(va_list &args) {
+ int chan = va_arg(args, int);
+ int note = va_arg(args, int);
+ int velo = va_arg(args, int);
+ return fmKeyOn(chan, note, velo);
+}
+
+int TownsAudioInterface::intf_fmKeyOff(va_list &args) {
+ int chan = va_arg(args, int);
+ return fmKeyOff(chan);
+}
+
+int TownsAudioInterface::intf_fmSetPanPos(va_list &args) {
+ int chan = va_arg(args, int);
+ int mode = va_arg(args, int);
+ return fmSetPanPos(chan, mode);
+}
+
+int TownsAudioInterface::intf_fmSetInstrument(va_list &args) {
+ int chan = va_arg(args, int);
+ int instrId = va_arg(args, int);
+ return fmSetInstrument(chan, instrId);
+}
+
+int TownsAudioInterface::intf_fmLoadInstrument(va_list &args) {
+ int instrId = va_arg(args, int);
+ uint8 *instrData = va_arg(args, uint8 *);
+ return fmLoadInstrument(instrId, instrData);
+}
+
+int TownsAudioInterface::intf_fmSetPitch(va_list &args) {
+ int chan = va_arg(args, int);
+ uint16 freq = va_arg(args, int) & 0xffff;
+ return fmSetPitch(chan, freq);
+}
+
+int TownsAudioInterface::intf_fmSetLevel(va_list &args) {
+ int chan = va_arg(args, int);
+ int lvl = va_arg(args, int);
+ return fmSetLevel(chan, lvl);
+}
+
+int TownsAudioInterface::intf_fmReset(va_list &args) {
+ fmReset();
+ return 0;
+}
+
+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);
+
+ if (left & 0xff80 || right & 0xff80)
+ return 3;
+
+ static const uint8 flags[] = { 0x0C, 0x30, 0x40, 0x80 };
+
+ uint8 chan = (chanType & 0x40) ? 8 : 12;
+
+ chanType &= 3;
+ left = (left & 0x7e) >> 1;
+ right = (right & 0x7e) >> 1;
+
+ if (chan)
+ _outputVolumeFlags |= flags[chanType];
+ else
+ _outputVolumeFlags &= ~flags[chanType];
+
+ if (chanType > 1) {
+ _outputLevel[chan + chanType] = left;
+ } else {
+ if (chanType == 0)
+ chan -= 8;
+ _outputLevel[chan] = left;
+ _outputLevel[chan + 1] = right;
+ }
+
+ updateOutputVolume();
+
+ return 0;
+}
+
+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_cdaToggle(va_list &args) {
+ //int mode = va_arg(args, int);
+ //_unkMask = mode ? 0x7f : 0x3f;
+ return 0;
+}
+
+int TownsAudioInterface::intf_pcmUpdateEnvelopeGenerator(va_list &args) {
+ for (int i = 0; i < 8; i++)
+ pcmUpdateEnvelopeGenerator(i);
+ return 0;
+}
+
+int TownsAudioInterface::intf_notImpl(va_list &args) {
+ return 4;
+}
+
+void TownsAudioInterface::fmReset() {
+ TownsPC98_FmSynth::reset();
+
+ _fmChanPlaying = 0;
+ memset(_fmChanNote, 0, sizeof(_fmChanNote));
+ memset(_fmChanPitch, 0, sizeof(_fmChanPitch));
+
+ memset(_fmSaveReg[0], 0, 240);
+ memset(&_fmSaveReg[0][240], 0x7f, 16);
+ memset(_fmSaveReg[1], 0, 256);
+ memset(&_fmSaveReg[1][240], 0x7f, 16);
+ _fmSaveReg[0][243] = _fmSaveReg[0][247] = _fmSaveReg[0][251] = _fmSaveReg[0][255] = _fmSaveReg[1][243] = _fmSaveReg[1][247] = _fmSaveReg[1][251] = _fmSaveReg[1][255] = 0xff;
+
+ for (int i = 0; i < 128; i++)
+ fmLoadInstrument(i, _fmDefaultInstrument);
+
+ bufferedWriteReg(0, 0x21, 0);
+ bufferedWriteReg(0, 0x2C, 0x80);
+ bufferedWriteReg(0, 0x2B, 0);
+ bufferedWriteReg(0, 0x27, 0x30);
+
+ for (int i = 0; i < 6; i++) {
+ fmKeyOff(i);
+ fmSetInstrument(i, 0);
+ fmSetLevel(i, 127);
+ }
+}
+
+int TownsAudioInterface::fmKeyOn(int chan, int note, int velo) {
+ if (chan > 5)
+ return 1;
+ if (note < 12 || note > 107 || (velo & 0x80))
+ return 3;
+ if (_fmChanPlaying & _chanFlags[chan])
+ return 2;
+
+ _fmChanPlaying |= _chanFlags[chan];
+ note -= 12;
+
+ _fmChanNote[chan] = note;
+ int16 pitch = _fmChanPitch[chan];
+
+ uint8 part = chan > 2 ? 1 : 0;
+ if (chan > 2)
+ chan -= 3;
+
+ int frq = 0;
+ uint8 bl = 0;
+
+ if (note) {
+ frq = _frequency[(note - 1) % 12];
+ bl = (note - 1) / 12;
+ } else {
+ frq = 616;
+ }
+
+ frq += pitch;
+
+ if (frq < 616) {
+ if (!bl) {
+ frq = 616;
+ } else {
+ frq += 616;
+ --bl;
+ }
+ } else if (frq > 1232) {
+ if (bl == 7) {
+ frq = 15500;
+ } else {
+ frq -= 616;
+ ++bl;
+ }
+ }
+
+ frq |= (bl << 11);
+
+ bufferedWriteReg(part, chan + 0xa4, (frq >> 8) & 0xff);
+ bufferedWriteReg(part, chan + 0xa0, frq & 0xff);
+
+ velo = (velo >> 2) + 96;
+ uint16 c = _carrier[_fmSaveReg[part][0xb0 + chan] & 7];
+ _fmSaveReg[part][0xe0 + chan] = velo;
+
+ for (uint8 reg = 0x40 + chan; reg < 0x50; reg += 4) {
+ c += c;
+ if (c & 0x100) {
+ c &= 0xff;
+ bufferedWriteReg(part, reg, (((((((_fmSaveReg[part][0x80 + reg] ^ 0x7f) * velo) >> 7) + 1) * _fmSaveReg[part][0xd0 + chan]) >> 7) + 1) ^ 0x7f);
+ }
+ }
+
+ uint8 v = chan;
+ if (part)
+ v |= 4;
+
+ for (uint8 reg = 0x80 + chan; reg < 0x90; reg += 4)
+ writeReg(part, reg, _fmSaveReg[part][reg] | 0x0f);
+
+ writeReg(0, 0x28, v);
+
+ for (uint8 reg = 0x80 + chan; reg < 0x90; reg += 4)
+ writeReg(part, reg, _fmSaveReg[part][reg]);
+
+ bufferedWriteReg(0, 0x28, v | 0xf0);
+
+ return 0;
+}
+
+int TownsAudioInterface::fmKeyOff(int chan) {
+ if (chan > 5)
+ return 1;
+ _fmChanPlaying &= ~_chanFlags[chan];
+ if (chan > 2)
+ chan++;
+ bufferedWriteReg(0, 0x28, chan);
+ return 0;
+}
+
+int TownsAudioInterface::fmChanOff(int chan) {
+ if (chan > 5)
+ return 1;
+ _fmChanPlaying &= ~_chanFlags[chan];
+
+ uint8 part = chan > 2 ? 1 : 0;
+ if (chan > 2)
+ chan -= 3;
+
+ for (uint8 reg = 0x80 + chan; reg < 0x90; reg += 4)
+ writeReg(part, reg, _fmSaveReg[part][reg] | 0x0f);
+
+ if (part)
+ chan += 4;
+ writeReg(0, 0x28, chan);
+ return 0;
+}
+
+int TownsAudioInterface::fmSetPanPos(int chan, int value) {
+ if (chan > 5)
+ return 1;
+
+ uint8 part = chan > 2 ? 1 : 0;
+ if (chan > 2)
+ chan -= 3;
+
+ if (value > 0x40)
+ value = 0x40;
+ else if (value < 0x40)
+ value = 0x80;
+ else
+ value = 0xC0;
+
+ bufferedWriteReg(part, 0xb4 + chan, (_fmSaveReg[part][0xb4 + chan] & 0x3f) | value);
+ return 0;
+}
+
+int TownsAudioInterface::fmSetInstrument(int chan, int instrId) {
+ if (chan > 5)
+ return 1;
+ if (instrId > 127)
+ return 3;
+
+ uint8 part = chan > 2 ? 1 : 0;
+ if (chan > 2)
+ chan -= 3;
+
+ uint8 *src = &_fmInstruments[instrId * 48 + 8];
+
+ uint16 c = _carrier[src[24] & 7];
+ uint8 reg = 0x30 + chan;
+
+ for (; reg < 0x40; reg += 4)
+ bufferedWriteReg(part, reg, *src++);
+
+ for (; reg < 0x50; reg += 4) {
+ uint8 v = *src++;
+ _fmSaveReg[part][0x80 + reg] = _fmSaveReg[part][reg] = v;
+ c += c;
+ if (c & 0x100) {
+ c &= 0xff;
+ v = 127;
+ }
+ writeReg(part, reg, v);
+ }
+
+ for (; reg < 0x90; reg += 4)
+ bufferedWriteReg(part, reg, *src++);
+
+ reg += 0x20;
+ bufferedWriteReg(part, reg, *src++);
+
+ uint8 v = *src++;
+ reg += 4;
+ if (v < 64)
+ v |= (_fmSaveReg[part][reg] & 0xc0);
+ bufferedWriteReg(part, reg, v);
+
+ return 0;
+}
+
+int TownsAudioInterface::fmLoadInstrument(int instrId, const uint8 *data) {
+ if (instrId > 127)
+ return 3;
+ assert(data);
+ memcpy(&_fmInstruments[instrId * 48], data, 48);
+ return 0;
+}
+
+int TownsAudioInterface::fmSetPitch(int chan, int pitch) {
+ if (chan > 5)
+ return 1;
+
+ uint8 bl = _fmChanNote[chan];
+ int frq = 0;
+
+ if (pitch < 0) {
+ if (bl) {
+ if (pitch < -8008)
+ pitch = -8008;
+ pitch *= -1;
+ pitch /= 13;
+ frq = _frequency[(bl - 1) % 12] - pitch;
+ bl = (bl - 1) / 12;
+ _fmChanPitch[chan] = -pitch;
+
+ if (frq < 616) {
+ if (bl) {
+ frq += 616;
+ bl--;
+ } else {
+ frq = 616;
+ bl = 0;
+ }
+ }
+ } else {
+ frq = 616;
+ bl = 0;
+ }
+
+ } else if (pitch > 0) {
+ if (bl < 96) {
+ if (pitch > 8008)
+ pitch = 8008;
+ pitch /= 13;
+
+ if (bl) {
+ frq = _frequency[(bl - 1) % 12] + pitch;
+ bl = (bl - 1) / 12;
+ } else {
+ frq = 616;
+ bl = 0;
+ }
+
+ _fmChanPitch[chan] = pitch;
+
+ if (frq > 1232) {
+ if (bl < 7) {
+ frq -= 616;
+ bl++;
+ } else {
+ frq = 1164;
+ bl = 7;
+ }
+ } else {
+ if (bl >= 7 && frq > 1164)
+ frq = 1164;
+ }
+
+ } else {
+ frq = 1164;
+ bl = 7;
+ }
+ } else {
+ _fmChanPitch[chan] = 0;
+ if (bl) {
+ frq = _frequency[(bl - 1) % 12];
+ bl = (bl - 1) / 12;
+ } else {
+ frq = 616;
+ bl = 0;
+ }
+ }
+
+ uint8 part = chan > 2 ? 1 : 0;
+ if (chan > 2)
+ chan -= 3;
+
+ frq |= (bl << 11);
+
+ bufferedWriteReg(part, chan + 0xa4, (frq >> 8));
+ bufferedWriteReg(part, chan + 0xa0, (frq & 0xff));
+
+ return 0;
+}
+
+int TownsAudioInterface::fmSetLevel(int chan, int lvl) {
+ if (chan > 5)
+ return 1;
+ if (lvl > 127)
+ return 3;
+
+ uint8 part = chan > 2 ? 1 : 0;
+ if (chan > 2)
+ chan -= 3;
+
+ uint16 c = _carrier[_fmSaveReg[part][0xb0 + chan] & 7];
+ _fmSaveReg[part][0xd0 + chan] = lvl;
+
+ for (uint8 reg = 0x40 + chan; reg < 0x50; reg += 4) {
+ c += c;
+ if (c & 0x100) {
+ c &= 0xff;
+ bufferedWriteReg(part, reg, (((((((_fmSaveReg[part][0x80 + reg] ^ 0x7f) * lvl) >> 7) + 1) * _fmSaveReg[part][0xe0 + chan]) >> 7) + 1) ^ 0x7f);
+ }
+ }
+ return 0;
+}
+
+void TownsAudioInterface::bufferedWriteReg(uint8 part, uint8 regAddress, uint8 value) {
+ _fmSaveReg[part][regAddress] = value;
+ writeReg(part, regAddress, value);
+}
+
+void TownsAudioInterface::pcmReset() {
+ _pcmChanOut = 0;
+ _pcmChanReserved = _pcmChanKeyPressed = _pcmChanEffectPlaying = _pcmChanKeyPlaying = 0;
+ _numReservedChannels = 0;
+
+ memset(_pcmChanNote, 0, 8);
+ memset(_pcmChanVelo, 0, 8);
+ memset(_pcmChanLevel, 0, 8);
+
+ for (int i = 0; i < 8; i++)
+ _pcmChan[i].clear();
+
+ memset(_pcmInstruments, 0, 128 * 32);
+ static uint8 name[] = { 0x4E, 0x6F, 0x20, 0x44, 0x61, 0x74, 0x61, 0x21 };
+ for (int i = 0; i < 32; i++)
+ memcpy(_pcmInstruments + i * 128, name, 8);
+
+ for (int i = 0; i < 128; i++)
+ _waveTables[i].clear();
+ _numWaveTables = 0;
+ _waveTablesTotalDataSize = 0;
+
+ for (int i = 0x40; i < 0x48; i++) {
+ pcmSetInstrument(i, 0);
+ pcmSetLevel(i, 127);
+ }
+}
+
+int TownsAudioInterface::pcmKeyOn(int chan, int note, int velo) {
+ if (chan < 0x40 || chan > 0x47)
+ return 1;
+
+ if (note & 0x80 || velo & 0x80)
+ return 3;
+
+ chan -= 0x40;
+
+ if ((_pcmChanReserved & _chanFlags[chan]) || (_pcmChanKeyPressed & _chanFlags[chan]))
+ return 2;
+
+ _pcmChanNote[chan] = note;
+ _pcmChanVelo[chan] = velo;
+
+ TownsAudio_PcmChannel *p = &_pcmChan[chan];
+ p->note = note;
+
+ uint8 *instr = _pcmChan[chan].curInstrument;
+ int i = 0;
+ for (; i < 8; i++) {
+ if (note <= instr[16 + 2 * i])
+ break;
+ }
+
+ if (i == 8)
+ return 8;
+
+ int il = i << 3;
+ p->note += instr[il + 70];
+
+ p->envTotalLevel = instr[il + 64];
+ p->envAttackRate = instr[il + 65];
+ p->envDecayRate = instr[il + 66];
+ p->envSustainLevel = instr[il + 67];
+ p->envSustainRate = instr[il + 68];
+ p->envReleaseRate = instr[il + 69];
+ p->envStep = 0;
+
+ int32 id = (int32)READ_LE_UINT32(&instr[i * 4 + 32]);
+
+ for (i = 0; i < _numWaveTables; i++) {
+ if (id == _waveTables[i].id)
+ break;
+ }
+
+ if (i == _numWaveTables)
+ return 9;
+
+ TownsAudio_WaveTable *w = &_waveTables[i];
+
+ p->data = w->data;
+ p->dataEnd = w->data + w->size;
+ p->setupLoop(w->loopStart, w->loopLen);
+
+ pcmCalcPhaseStep(p, w);
+
+ uint32 lvl = _pcmChanLevel[chan] * _pcmChanVelo[chan];
+ p->envTotalLevel = ((p->envTotalLevel * lvl) >> 14) & 0xff;
+ p->envSustainLevel = ((p->envSustainLevel * lvl) >> 14) & 0xff;
+
+ p->envAttack();
+ p->velo = (p->envCurrentLevel >> 8) << 1;
+
+ _pcmChanKeyPressed |= _chanFlags[chan];
+ _pcmChanKeyPlaying |= _chanFlags[chan];
+ _pcmChanOut |= _chanFlags[chan];
+
+ return 0;
+}
+
+int TownsAudioInterface::pcmKeyOff(int chan) {
+ if (chan < 0x40 || chan > 0x47)
+ return 1;
+
+ chan -= 0x40;
+ _pcmChanKeyPressed &= ~_chanFlags[chan];
+ _pcmChan[chan].envRelease();
+ return 0;
+}
+
+int TownsAudioInterface::pcmChanOff(int chan) {
+ if (chan < 0x40 || chan > 0x47)
+ return 1;
+
+ chan -= 0x40;
+
+ _pcmChanKeyPressed &= ~_chanFlags[chan];
+ _pcmChanEffectPlaying &= ~_chanFlags[chan];
+ _pcmChanKeyPlaying &= ~_chanFlags[chan];
+ _pcmChanOut &= ~_chanFlags[chan];
+
+ return 0;
+}
+
+int TownsAudioInterface::pcmSetPanPos(int chan, int mode) {
+ if (chan > 0x47)
+ return 1;
+ if (mode & 0x80)
+ return 3;
+
+ chan -= 0x40;
+ uint8 blc = 0x77;
+
+ if (mode > 64) {
+ mode -= 64;
+ blc = ((blc ^ (mode >> 3)) + (mode << 4)) & 0xff;
+ } else if (mode < 64) {
+ mode = (mode >> 3) ^ 7;
+ blc = ((119 + mode) ^ (mode << 4)) & 0xff;
+ }
+
+ _pcmChan[chan].panLeft = blc & 0x0f;
+ _pcmChan[chan].panRight = blc >> 4;
+
+ return 0;
+}
+
+int TownsAudioInterface::pcmSetInstrument(int chan, int instrId) {
+ if (chan > 0x47)
+ return 1;
+ if (instrId > 31)
+ return 3;
+ chan -= 0x40;
+ _pcmChan[chan].curInstrument = &_pcmInstruments[instrId * 128];
+ return 0;
+}
+
+int TownsAudioInterface::pcmLoadInstrument(int instrId, const uint8 *data) {
+ if (instrId > 31)
+ return 3;
+ assert(data);
+ memcpy(&_pcmInstruments[instrId * 128], data, 128);
+ return 0;
+}
+
+int TownsAudioInterface::pcmSetPitch(int chan, int pitch) {
+ if (chan > 0x47)
+ return 1;
+
+ if (pitch < -8192 || pitch > 8191)
+ return 3;
+
+ chan -= 0x40;
+ TownsAudio_PcmChannel *p = &_pcmChan[chan];
+
+ uint32 pts = 0x4000;
+
+ if (pitch < 0)
+ pts = (0x20000000 / (-pitch + 0x2001)) >> 2;
+ else if (pitch > 0)
+ pts = (((pitch + 0x2001) << 16) / 0x2000) >> 2;
+
+ p->stepPitch = pts & 0xffff;
+ p->step = (p->stepNote * p->stepPitch) >> 14;
+
+// if (_pcmChanUnkFlag & _chanFlags[chan])
+// unk[chan] = (((p->step * 1000) << 11) / 98) / 20833;
+
+ /*else*/
+ if ((_pcmChanEffectPlaying & _chanFlags[chan]) && (p->step > 2048))
+ p->step = 2048;
+
+ return 0;
+}
+
+int TownsAudioInterface::pcmSetLevel(int chan, int lvl) {
+ if (chan > 0x47)
+ return 1;
+
+ if (lvl & 0x80)
+ return 3;
+
+ chan -= 0x40;
+ TownsAudio_PcmChannel *p = &_pcmChan[chan];
+
+ if (_pcmChanReserved & _chanFlags[chan]) {
+ _pcmChanVelo[chan] = lvl;
+ p->velo = lvl << 1;
+ } else {
+ int32 t = p->envStep * lvl;
+ if (_pcmChanLevel[chan])
+ t /= _pcmChanLevel[chan];
+ p->envStep = t;
+ t = p->envCurrentLevel * lvl;
+ if (_pcmChanLevel[chan])
+ t /= _pcmChanLevel[chan];
+ p->envCurrentLevel = t;
+ _pcmChanLevel[chan] = lvl;
+ p->velo = p->envCurrentLevel >> 8;
+ }
+
+ return 0;
+}
+
+void TownsAudioInterface::pcmUpdateEnvelopeGenerator(int chan) {
+ TownsAudio_PcmChannel *p = &_pcmChan[chan];
+ if (!p->envCurrentLevel) {
+ _pcmChanKeyPlaying &= ~_chanFlags[chan];
+ p->envState = kEnvReady;
+ }
+
+ if (!(_pcmChanKeyPlaying & _chanFlags[chan]))
+ return;
+
+ switch (p->envState) {
+ case kEnvAttacking:
+ if (((p->envCurrentLevel + p->envStep) >> 8) > p->envTotalLevel) {
+ p->envDecay();
+ return;
+ } else {
+ p->envCurrentLevel += p->envStep;
+ }
+ break;
+
+ case kEnvDecaying:
+ if (((p->envCurrentLevel - p->envStep) >> 8) < p->envSustainLevel) {
+ p->envSustain();
+ return;
+ } else {
+ p->envCurrentLevel -= p->envStep;
+ }
+ break;
+
+ case kEnvSustaining:
+ case kEnvReleasing:
+ p->envCurrentLevel -= p->envStep;
+ if (p->envCurrentLevel <= 0)
+ p->envCurrentLevel = 0;
+ break;
+
+ default:
+ break;
+ }
+ p->velo = (p->envCurrentLevel >> 8) << 1;
+}
+
+void TownsAudioInterface::pcmCalcPhaseStep(TownsAudio_PcmChannel *p, TownsAudio_WaveTable *w) {
+ int8 diff = p->note - w->baseNote;
+ uint16 r = w->rate + w->rateOffs;
+ uint16 bl = 0;
+ uint32 s = 0;
+
+ if (diff < 0) {
+ diff *= -1;
+ bl = diff % 12;
+ diff /= 12;
+ s = (r >> diff);
+ if (bl)
+ s = (s * _pcmPhase2[bl]) >> 16;
+
+ } else if (diff > 0) {
+ bl = diff % 12;
+ diff /= 12;
+ s = (r << diff);
+ if (bl)
+ s += ((s * _pcmPhase1[bl]) >> 16);
+
+ } else {
+ s = r;
+ }
+
+ p->stepNote = s & 0xffff;
+ p->step = (s * p->stepPitch) >> 14;
+}
+
+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
+ uint32 maxVol = MAX(_outputLevel[12], _outputLevel[13]);
+
+ int volume = (int)(((float)(maxVol * 255) / 63.0f));
+ int balance = maxVol ? (int)( ( ((int)_outputLevel[13] - _outputLevel[12]) * 127) / (float)maxVol) : 0;
+
+ g_system->getAudioCDManager()->setVolume(volume);
+ g_system->getAudioCDManager()->setBalance(balance);
+}
+
+const uint8 TownsAudioInterface::_chanFlags[] = {
+ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80
+};
+
+const uint16 TownsAudioInterface::_frequency[] = {
+ 0x028C, 0x02B4, 0x02DC, 0x030A, 0x0338, 0x0368, 0x039C, 0x03D4, 0x040E, 0x044A, 0x048C, 0x04D0
+};
+
+const uint8 TownsAudioInterface::_carrier[] = {
+ 0x10, 0x10, 0x10, 0x10, 0x30, 0x70, 0x70, 0xF0
+};
+
+const uint8 TownsAudioInterface::_fmDefaultInstrument[] = {
+ 0x45, 0x4C, 0x45, 0x50, 0x49, 0x41, 0x4E, 0x4F, 0x01, 0x0A, 0x02, 0x01,
+ 0x1E, 0x32, 0x05, 0x00, 0x9C, 0xDC, 0x9C, 0xDC, 0x07, 0x03, 0x14, 0x08,
+ 0x00, 0x03, 0x05, 0x05, 0x55, 0x45, 0x27, 0xA7, 0x04, 0xC0, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+const uint16 TownsAudioInterface::_pcmPhase1[] = {
+ 0x879B, 0x0F37, 0x1F58, 0x306E, 0x4288, 0x55B6, 0x6A08, 0x7F8F, 0x965E, 0xAE88, 0xC882, 0xE341
+};
+
+const uint16 TownsAudioInterface::_pcmPhase2[] = {
+ 0xFEFE, 0xF1A0, 0xE411, 0xD744, 0xCB2F, 0xBFC7, 0xB504, 0xAAE2, 0xA144, 0x9827, 0x8FAC
+};
+
+TownsAudio_PcmChannel::TownsAudio_PcmChannel() {
+ extData = 0;
+ clear();
+}
+
+TownsAudio_PcmChannel::~TownsAudio_PcmChannel() {
+ clear();
+}
+
+void TownsAudio_PcmChannel::loadExtData(uint8 *buffer, uint32 size) {
+ delete[] extData;
+ extData = new int8[size];
+ int8 *src = (int8 *)buffer;
+ int8 *dst = extData;
+ for (uint32 i = 0; i < size; i++)
+ *dst++ = *src & 0x80 ? (*src++ & 0x7f) : -*src++;
+
+ data = extData;
+ dataEnd = extData + size;
+ pos = 0;
+}
+
+void TownsAudio_PcmChannel::setupLoop(uint32 start, uint32 len) {
+ loopLen = len << 11;
+ loopEnd = loopLen ? &data[(start + loopLen) >> 11] : dataEnd;
+ pos = start;
+}
+
+void TownsAudio_PcmChannel::clear() {
+ curInstrument = 0;
+ note = 0;
+ velo = 0;
+
+ data = 0;
+ dataEnd = 0;
+ loopLen = 0;
+
+ pos = 0;
+ loopEnd = 0;
+
+ step = 0;
+ stepNote = 0x4000;
+ stepPitch = 0x4000;
+
+ panLeft = panRight = 7;
+
+ envTotalLevel = envAttackRate = envDecayRate = envSustainLevel = envSustainRate = envReleaseRate = 0;
+ envStep = envCurrentLevel = 0;
+
+ envState = kEnvReady;
+
+ delete[] extData;
+ extData = 0;
+}
+
+void TownsAudio_PcmChannel::envAttack() {
+ envState = kEnvAttacking;
+ int16 t = envTotalLevel << 8;
+ if (envAttackRate == 127) {
+ envStep = 0;
+ } else if (envAttackRate) {
+ envStep = t / envAttackRate;
+ envCurrentLevel = 1;
+ } else {
+ envCurrentLevel = t;
+ envDecay();
+ }
+}
+
+void TownsAudio_PcmChannel::envDecay() {
+ envState = kEnvDecaying;
+ int16 t = envTotalLevel - envSustainLevel;
+ if (t < 0 || envDecayRate == 127) {
+ envStep = 0;
+ } else if (envDecayRate) {
+ envStep = (t << 8) / envDecayRate;
+ } else {
+ envCurrentLevel = envSustainLevel << 8;
+ envSustain();
+ }
+}
+
+void TownsAudio_PcmChannel::envSustain() {
+ envState = kEnvSustaining;
+ if (envSustainLevel && envSustainRate)
+ envStep = (envSustainRate == 127) ? 0 : (envCurrentLevel / envSustainRate) >> 1;
+ else
+ envStep = envCurrentLevel = 1;
+}
+
+void TownsAudio_PcmChannel::envRelease() {
+ envState = kEnvReleasing;
+ if (envReleaseRate == 127)
+ envStep = 0;
+ else if (envReleaseRate)
+ envStep = envCurrentLevel / envReleaseRate;
+ else
+ envStep = envCurrentLevel = 1;
+}
+
+TownsAudio_WaveTable::TownsAudio_WaveTable() {
+ data = 0;
+ clear();
+}
+
+TownsAudio_WaveTable::~TownsAudio_WaveTable() {
+ clear();
+}
+
+void TownsAudio_WaveTable::readHeader(const uint8 *buffer) {
+ memcpy(name, buffer, 8);
+ name[8] = 0;
+ id = READ_LE_UINT32(&buffer[8]);
+ size = READ_LE_UINT32(&buffer[12]);
+ loopStart = READ_LE_UINT32(&buffer[16]);
+ loopLen = READ_LE_UINT32(&buffer[20]);
+ rate = READ_LE_UINT16(&buffer[24]);
+ rateOffs = READ_LE_UINT16(&buffer[26]);
+ baseNote = READ_LE_UINT32(&buffer[28]);
+}
+
+void TownsAudio_WaveTable::readData(const uint8 *buffer) {
+ if (!size)
+ return;
+
+ delete[] data;
+ data = new int8[size];
+
+ const int8 *src = (const int8 *)buffer;
+ int8 *dst = data;
+ for (uint32 i = 0; i < size; i++)
+ *dst++ = *src & 0x80 ? (*src++ & 0x7f) : -*src++;
+}
+
+void TownsAudio_WaveTable::clear() {
+ name[0] = name[8] = 0;
+ id = -1;
+ size = 0;
+ loopStart = 0;
+ loopLen = 0;
+ rate = 0;
+ rateOffs = 0;
+ baseNote = 0;
+ delete[] data;
+ data = 0;
+}
+
diff --git a/audio/softsynth/fmtowns_pc98/towns_audio.h b/audio/softsynth/fmtowns_pc98/towns_audio.h
new file mode 100644
index 0000000000..2819ab2d57
--- /dev/null
+++ b/audio/softsynth/fmtowns_pc98/towns_audio.h
@@ -0,0 +1,179 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef TOWNS_AUDIO_H
+#define TOWNS_AUDIO_H
+
+#include "audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h"
+
+class TownsAudioInterfacePluginDriver {
+public:
+ virtual ~TownsAudioInterfacePluginDriver() {}
+ virtual void timerCallback(int timerId) = 0;
+};
+
+class TownsAudio_PcmChannel;
+class TownsAudio_WaveTable;
+
+class TownsAudioInterface : public TownsPC98_FmSynth {
+public:
+ TownsAudioInterface(Audio::Mixer *mixer, TownsAudioInterfacePluginDriver *driver);
+ ~TownsAudioInterface();
+
+ bool init();
+
+ int callback(int command, ...);
+
+ void setMusicVolume(int volume);
+ 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(int mask);
+
+private:
+ void nextTickEx(int32 *buffer, uint32 bufferSize);
+
+ void timerCallbackA();
+ void timerCallbackB();
+
+ typedef int (TownsAudioInterface::*TownsAudioIntfCallback)(va_list &);
+ const TownsAudioIntfCallback *_intfOpcodes;
+
+ int intf_reset(va_list &args);
+ int intf_keyOn(va_list &args);
+ int intf_keyOff(va_list &args);
+ int intf_setPanPos(va_list &args);
+ int intf_setInstrument(va_list &args);
+ int intf_loadInstrument(va_list &args);
+ int intf_setPitch(va_list &args);
+ int intf_setLevel(va_list &args);
+ int intf_chanOff(va_list &args);
+ int intf_writeReg(va_list &args);
+ int intf_writeRegBuffer(va_list &args);
+ int intf_readRegBuffer(va_list &args);
+ int intf_setTimerA(va_list &args);
+ int intf_setTimerB(va_list &args);
+ int intf_enableTimerA(va_list &args);
+ int intf_enableTimerB(va_list &args);
+ int intf_loadSamples(va_list &args);
+ int intf_reserveEffectChannels(va_list &args);
+ int intf_loadWaveTable(va_list &args);
+ int intf_unloadWaveTable(va_list &args);
+ int intf_pcmPlayEffect(va_list &args);
+ int intf_pcmChanOff(va_list &args);
+ int intf_pcmEffectPlaying(va_list &args);
+ int intf_fmKeyOn(va_list &args);
+ int intf_fmKeyOff(va_list &args);
+ int intf_fmSetPanPos(va_list &args);
+ int intf_fmSetInstrument(va_list &args);
+ int intf_fmLoadInstrument(va_list &args);
+ int intf_fmSetPitch(va_list &args);
+ int intf_fmSetLevel(va_list &args);
+ int intf_fmReset(va_list &args);
+ int intf_setOutputVolume(va_list &args);
+ int intf_resetOutputVolume(va_list &args);
+ int intf_updateOutputVolume(va_list &args);
+ int intf_cdaToggle(va_list &args);
+ int intf_pcmUpdateEnvelopeGenerator(va_list &args);
+
+ int intf_notImpl(va_list &args);
+
+ void fmReset();
+ int fmKeyOn(int chan, int note, int velo);
+ int fmKeyOff(int chan);
+ int fmChanOff(int chan);
+ int fmSetPanPos(int chan, int mode);
+ int fmSetInstrument(int chan, int instrId);
+ int fmLoadInstrument(int instrId, const uint8 *data);
+ int fmSetPitch(int chan, int pitch);
+ int fmSetLevel(int chan, int lvl);
+
+ void bufferedWriteReg(uint8 part, uint8 regAddress, uint8 value);
+
+ uint8 _fmChanPlaying;
+ uint8 _fmChanNote[6];
+ int16 _fmChanPitch[6];
+
+ uint8 *_fmSaveReg[2];
+ uint8 *_fmInstruments;
+
+ void pcmReset();
+ int pcmKeyOn(int chan, int note, int velo);
+ int pcmKeyOff(int chan);
+ int pcmChanOff(int chan);
+ int pcmSetPanPos(int chan, int mode);
+ int pcmSetInstrument(int chan, int instrId);
+ int pcmLoadInstrument(int instrId, const uint8 *data);
+ int pcmSetPitch(int chan, int pitch);
+ int pcmSetLevel(int chan, int lvl);
+ void pcmUpdateEnvelopeGenerator(int chan);
+
+ TownsAudio_PcmChannel *_pcmChan;
+ uint8 _pcmChanOut;
+ uint8 _pcmChanReserved;
+ uint8 _pcmChanKeyPressed;
+ uint8 _pcmChanEffectPlaying;
+ uint8 _pcmChanKeyPlaying;
+
+ uint8 _pcmChanNote[8];
+ uint8 _pcmChanVelo[8];
+ uint8 _pcmChanLevel[8];
+
+ uint8 _numReservedChannels;
+ uint8 *_pcmInstruments;
+
+ TownsAudio_WaveTable *_waveTables;
+ uint8 _numWaveTables;
+ uint32 _waveTablesTotalDataSize;
+
+ void pcmCalcPhaseStep(TownsAudio_PcmChannel *p, TownsAudio_WaveTable *w);
+
+ void updateOutputVolume();
+ uint8 _outputVolumeFlags;
+ uint8 _outputLevel[16];
+ uint8 _outputMuteFlags;
+
+ const float _baserate;
+ uint32 _timerBase;
+ uint32 _tickLength;
+ uint32 _timer;
+
+ uint16 _musicVolume;
+ uint16 _sfxVolume;
+ int _pcmSfxChanMask;
+
+ TownsAudioInterfacePluginDriver *_drv;
+ bool _ready;
+
+ static const uint8 _chanFlags[];
+ static const uint16 _frequency[];
+ static const uint8 _carrier[];
+ static const uint8 _fmDefaultInstrument[];
+ static const uint16 _pcmPhase1[];
+ static const uint16 _pcmPhase2[];
+};
+
+#endif
+
diff --git a/audio/softsynth/fmtowns_pc98/towns_euphony.cpp b/audio/softsynth/fmtowns_pc98/towns_euphony.cpp
new file mode 100644
index 0000000000..7c071c43fb
--- /dev/null
+++ b/audio/softsynth/fmtowns_pc98/towns_euphony.cpp
@@ -0,0 +1,905 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "audio/softsynth/fmtowns_pc98/towns_euphony.h"
+#include "common/endian.h"
+
+TownsEuphonyDriver::TownsEuphonyDriver(Audio::Mixer *mixer) : _activeChannels(0), _sustainChannels(0),
+ _assignedChannels(0), _paraCount(0), _command(0), _tEnable(0), _tMode(0), _tOrdr(0), _tLevel(0),
+ _tTranspose(0), _musicPos(0), _musicStart(0), _playing(false), _eventBuffer(0), _bufferedEventsCount(0),
+ _tempoControlMode(0) {
+ _para[0] = _para[1] = 0;
+ _intf = new TownsAudioInterface(mixer, this);
+ resetTempo();
+}
+
+TownsEuphonyDriver::~TownsEuphonyDriver() {
+ delete _intf;
+ delete[] _activeChannels;
+ delete[] _sustainChannels;
+ delete[] _assignedChannels;
+ delete[] _tEnable;
+ delete[] _tMode;
+ delete[] _tOrdr;
+ delete[] _tLevel;
+ delete[] _tTranspose;
+}
+
+bool TownsEuphonyDriver::init() {
+ if (!_intf->init())
+ return false;
+
+ _activeChannels = new int8[16];
+ _sustainChannels = new int8[16];
+ _assignedChannels = new ActiveChannel[128];
+ _eventBuffer = new DlEvent[64];
+
+ _tEnable = new uint8[32];
+ _tMode = new uint8[32];
+ _tOrdr = new uint8[32];
+ _tLevel = new int8[32];
+ _tTranspose = new int8[32];
+
+ reset();
+
+ return true;
+}
+
+void TownsEuphonyDriver::reset() {
+ _intf->callback(0);
+
+ _intf->callback(74);
+ _intf->callback(70);
+ _intf->callback(75, 3);
+
+ setTimerA(true, 1);
+ setTimerA(false, 1);
+ setTimerB(true, 221);
+
+ _paraCount = _command = _para[0] = _para[1] = 0;
+ memset(_sustainChannels, 0, 16);
+ memset(_activeChannels, -1, 16);
+ for (int i = 0; i < 128; i++) {
+ _assignedChannels[i].chan = _assignedChannels[i].next = -1;
+ _assignedChannels[i].note = _assignedChannels[i].sub = 0;
+ }
+
+ int e = 0;
+ for (int i = 0; i < 6; i++)
+ assignChannel(i, e++);
+ for (int i = 0x40; i < 0x48; i++)
+ assignChannel(i, e++);
+
+ resetTables();
+
+ memset(_eventBuffer, 0, 64 * sizeof(DlEvent));
+ _bufferedEventsCount = 0;
+
+ _playing = _endOfTrack = _suspendParsing = _loop = false;
+ _elapsedEvents = 0;
+ _tempoDiff = 0;
+
+ resetTempo();
+
+ if (_tempoControlMode == 1) {
+ //if (///)
+ // return;
+ setTempoIntern(_defaultTempo);
+ } else {
+ setTempoIntern(_defaultTempo);
+ }
+
+ resetControl();
+}
+
+void TownsEuphonyDriver::loadInstrument(int chanType, int id, const uint8 *data) {
+ _intf->callback(5, chanType, id, data);
+}
+
+void TownsEuphonyDriver::loadWaveTable(const uint8 *data) {
+ _intf->callback(34, data);
+}
+
+void TownsEuphonyDriver::unloadWaveTable(int id) {
+ _intf->callback(35, id);
+}
+
+void TownsEuphonyDriver::reserveSoundEffectChannels(int num) {
+ _intf->callback(33, num);
+ uint32 volMask = 0;
+
+ if (num > 8)
+ return;
+
+ for (uint32 v = 1 << 13; num; num--) {
+ volMask |= v;
+ v >>= 1;
+ }
+
+ _intf->setSoundEffectChanMask(volMask);
+}
+
+int TownsEuphonyDriver::setMusicTempo(int tempo) {
+ if (tempo > 250)
+ return 3;
+ _defaultTempo = tempo;
+ _trackTempo = tempo;
+ setTempoIntern(tempo);
+ return 0;
+}
+
+int TownsEuphonyDriver::startMusicTrack(const uint8 *data, int trackSize, int startTick) {
+ if (_playing)
+ return 2;
+
+ _musicPos = _musicStart = data;
+ _defaultBaseTickLen = _baseTickLen = startTick;
+ _musicTrackSize = trackSize;
+ _timeStampBase = _timeStampDest = 0;
+ _tickCounter = 0;
+ _playing = true;
+
+ return 0;
+}
+
+void TownsEuphonyDriver::setMusicLoop(bool loop) {
+ _loop = loop;
+}
+
+void TownsEuphonyDriver::stopParser() {
+ if (_playing) {
+ _playing = false;
+ _pulseCount = 0;
+ _endOfTrack = false;
+ flushEventBuffer();
+ resetControl();
+ }
+}
+
+void TownsEuphonyDriver::continueParsing() {
+ _suspendParsing = false;
+}
+
+void TownsEuphonyDriver::playSoundEffect(int chan, int note, int velo, const uint8 *data) {
+ _intf->callback(37, chan, note, velo, data);
+}
+
+void TownsEuphonyDriver::stopSoundEffect(int chan) {
+ _intf->callback(39, chan);
+}
+
+bool TownsEuphonyDriver::soundEffectIsPlaying(int chan) {
+ return _intf->callback(40, chan) ? true : false;
+}
+
+void TownsEuphonyDriver::chanPanPos(int chan, int mode) {
+ _intf->callback(3, chan, mode);
+}
+
+void TownsEuphonyDriver::chanPitch(int chan, int pitch) {
+ _intf->callback(7, chan, pitch);
+}
+
+void TownsEuphonyDriver::chanVolume(int chan, int vol) {
+ _intf->callback(8, chan, vol);
+}
+
+void TownsEuphonyDriver::setOutputVolume(int mode, int volLeft, int volRight) {
+ _intf->callback(67, mode, volLeft, volRight);
+}
+
+int TownsEuphonyDriver::chanEnable(int tableEntry, int val) {
+ if (tableEntry > 31)
+ return 3;
+ _tEnable[tableEntry] = val;
+ return 0;
+}
+
+int TownsEuphonyDriver::chanMode(int tableEntry, int val) {
+ if (tableEntry > 31)
+ return 3;
+ _tMode[tableEntry] = val;
+ return 0;
+}
+
+int TownsEuphonyDriver::chanOrdr(int tableEntry, int val) {
+ if (tableEntry > 31)
+ return 3;
+ if (val < 16)
+ _tOrdr[tableEntry] = val;
+ return 0;
+}
+
+int TownsEuphonyDriver::chanVolumeShift(int tableEntry, int val) {
+ if (tableEntry > 31)
+ return 3;
+ if (val <= 40)
+ _tLevel[tableEntry] = (int8)(val & 0xff);
+ return 0;
+}
+
+int TownsEuphonyDriver::chanNoteShift(int tableEntry, int val) {
+ if (tableEntry > 31)
+ return 3;
+ if (val <= 40)
+ _tTranspose[tableEntry] = (int8)(val & 0xff);
+ return 0;
+}
+
+int TownsEuphonyDriver::assignChannel(int chan, int tableEntry) {
+ if (tableEntry > 15 || chan > 127 || chan < 0)
+ return 3;
+
+ ActiveChannel *a = &_assignedChannels[chan];
+ if (a->chan == tableEntry)
+ return 0;
+
+ if (a->chan != -1) {
+ int8 *b = &_activeChannels[a->chan];
+ while (*b != chan) {
+ b = &_assignedChannels[*b].next;
+ if (*b == -1 && *b != chan)
+ return 3;
+ }
+
+ *b = a->next;
+
+ if (a->note)
+ _intf->callback(2, chan);
+
+ a->chan = a->next = -1;
+ a->note = 0;
+ }
+
+ a->next = _activeChannels[tableEntry];
+ _activeChannels[tableEntry] = chan;
+ a->chan = tableEntry;
+ a->note = a->sub = 0;
+
+ return 0;
+}
+
+void TownsEuphonyDriver::timerCallback(int timerId) {
+ switch (timerId) {
+ case 0:
+ updatePulseCount();
+ while (_pulseCount > 0) {
+ --_pulseCount;
+ updateTimeStampBase();
+ if (!_playing)
+ continue;
+ updateEventBuffer();
+ updateParser();
+ updateCheckEot();
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+void TownsEuphonyDriver::setMusicVolume(int volume) {
+ _intf->setMusicVolume(volume);
+}
+
+void TownsEuphonyDriver::setSoundEffectVolume(int volume) {
+ _intf->setSoundEffectVolume(volume);
+}
+
+void TownsEuphonyDriver::resetTables() {
+ memset(_tEnable, 0xff, 32);
+ memset(_tMode, 0xff, 16);
+ memset(_tMode + 16, 0, 16);
+ for (int i = 0; i < 32; i++)
+ _tOrdr[i] = i & 0x0f;
+ memset(_tLevel, 0, 32);
+ memset(_tTranspose, 0, 32);
+}
+
+void TownsEuphonyDriver::resetTempo() {
+ _defaultBaseTickLen = _baseTickLen = 0x33;
+ _pulseCount = 0;
+ _extraTimingControlRemainder = 0;
+ _extraTimingControl = 16;
+ _tempoModifier = 0;
+ _timeStampDest = 0;
+ _deltaTicks = 0;
+ _tickCounter = 0;
+ _defaultTempo = 90;
+ _trackTempo = 90;
+}
+
+void TownsEuphonyDriver::setTempoIntern(int tempo) {
+ tempo = CLIP(tempo + _tempoModifier, 0, 500);
+ if (_tempoControlMode == 0) {
+ _timerSetting = 34750 / (tempo + 30);
+ _extraTimingControl = 16;
+
+ while (_timerSetting < 126) {
+ _timerSetting <<= 1;
+ _extraTimingControl <<= 1;
+ }
+
+ while (_timerSetting > 383) {
+ _timerSetting >>= 1;
+ _extraTimingControl >>= 1;
+ }
+
+ setTimerA(true, -(_timerSetting - 2));
+
+ } else if (_tempoControlMode == 1) {
+ _timerSetting = 312500 / (tempo + 30);
+ _extraTimingControl = 16;
+ while (_timerSetting < 1105) {
+ _timerSetting <<= 1;
+ _extraTimingControl <<= 1;
+ }
+
+ } else if (_tempoControlMode == 2) {
+ _timerSetting = 625000 / (tempo + 30);
+ _extraTimingControlRemainder = 0;
+ }
+}
+
+void TownsEuphonyDriver::setTimerA(bool enable, int tempo) {
+ _intf->callback(21, enable ? 255 : 0, tempo);
+}
+
+void TownsEuphonyDriver::setTimerB(bool enable, int tempo) {
+ _intf->callback(22, enable ? 255 : 0, tempo);
+}
+
+void TownsEuphonyDriver::updatePulseCount() {
+ int tc = _extraTimingControl + _extraTimingControlRemainder;
+ _extraTimingControlRemainder = tc & 0x0f;
+ tc >>= 4;
+ _tempoDiff -= tc;
+
+ while (_tempoDiff < 0) {
+ _elapsedEvents++;
+ _tempoDiff += 4;
+ }
+
+ if (_playing && !_suspendParsing)
+ _pulseCount += tc;
+}
+
+void TownsEuphonyDriver::updateTimeStampBase() {
+ static const uint16 table[] = { 0x180, 0xC0, 0x80, 0x60, 0x40, 0x30, 0x20, 0x18 };
+ if ((uint32)(table[_baseTickLen >> 4] * ((_baseTickLen & 0x0f) + 1)) > ++_tickCounter)
+ return;
+ ++_timeStampDest;
+ _tickCounter = 0;
+ _deltaTicks = 0;
+}
+
+void TownsEuphonyDriver::updateParser() {
+ for (bool loop = true; loop;) {
+ uint8 cmd = _musicPos[0];
+
+ if (cmd == 0xff || cmd == 0xf7) {
+ jumpNextLoop();
+
+ } else if (cmd < 0x90) {
+ _endOfTrack = true;
+ flushEventBuffer();
+ loop = false;
+
+ } else if (_timeStampBase > _timeStampDest) {
+ loop = false;
+
+ } else {
+ if (_timeStampBase == _timeStampDest) {
+ uint16 timeStamp = READ_LE_UINT16(&_musicPos[2]);
+ uint8 l = (timeStamp & 0xff) + (timeStamp & 0xff);
+ timeStamp = ((timeStamp & 0xff00) | l) >> 1;
+ if (timeStamp > _tickCounter)
+ loop = false;
+ }
+
+ if (loop) {
+ if (parseNext())
+ loop = false;
+ }
+ }
+ }
+}
+
+void TownsEuphonyDriver::updateCheckEot() {
+ if (!_endOfTrack || _bufferedEventsCount)
+ return;
+ stopParser();
+}
+
+bool TownsEuphonyDriver::parseNext() {
+#define OPC(x) &TownsEuphonyDriver::evt##x
+ static const EuphonyOpcode opcodes[] = {
+ OPC(NotImpl),
+ OPC(SetupNote),
+ OPC(PolyphonicAftertouch),
+ OPC(ControlPitch),
+ OPC(InstrumentChanAftertouch),
+ OPC(InstrumentChanAftertouch),
+ OPC(ControlPitch)
+ };
+#undef OPC
+
+ uint cmd = _musicPos[0];
+ if (cmd != 0xfe && cmd != 0xfd) {
+ if (cmd >= 0xf0) {
+ cmd &= 0x0f;
+ if (cmd == 0)
+ evtLoadInstrument();
+ else if (cmd == 2)
+ evtAdvanceTimestampOffset();
+ else if (cmd == 8)
+ evtTempo();
+ else if (cmd == 12)
+ evtModeOrdrChange();
+ jumpNextLoop();
+ return false;
+
+ } else if (!(this->*opcodes[(cmd - 0x80) >> 4])()) {
+ jumpNextLoop();
+ return false;
+ }
+ }
+
+ if (cmd == 0xfd) {
+ _suspendParsing = true;
+ return true;
+ }
+
+ if (!_loop) {
+ _endOfTrack = true;
+ return true;
+ }
+
+ _endOfTrack = false;
+ _musicPos = _musicStart;
+ _timeStampBase = _timeStampDest = _tickCounter = 0;
+ _baseTickLen = _defaultBaseTickLen;
+
+ return false;
+}
+
+void TownsEuphonyDriver::jumpNextLoop() {
+ _musicPos += 6;
+ if (_musicPos >= _musicStart + _musicTrackSize)
+ _musicPos = _musicStart;
+}
+
+void TownsEuphonyDriver::updateEventBuffer() {
+ DlEvent *e = _eventBuffer;
+ for (int i = _bufferedEventsCount; i; e++) {
+ if (e->evt == 0)
+ continue;
+ if (--e->len) {
+ --i;
+ continue;
+ }
+ processBufferNote(e->mode, e->evt, e->note, e->velo);
+ e->evt = 0;
+ --i;
+ --_bufferedEventsCount;
+ }
+}
+
+void TownsEuphonyDriver::flushEventBuffer() {
+ DlEvent *e = _eventBuffer;
+ for (int i = _bufferedEventsCount; i; e++) {
+ if (e->evt == 0)
+ continue;
+ processBufferNote(e->mode, e->evt, e->note, e->velo);
+ e->evt = 0;
+ --i;
+ --_bufferedEventsCount;
+ }
+}
+
+void TownsEuphonyDriver::processBufferNote(int mode, int evt, int note, int velo) {
+ if (!velo)
+ evt &= 0x8f;
+ sendEvent(mode, evt);
+ sendEvent(mode, note);
+ sendEvent(mode, velo);
+}
+
+void TownsEuphonyDriver::resetControl() {
+ for (int i = 0; i < 32; i++) {
+ if (_tOrdr[i] > 15) {
+ for (int ii = 0; ii < 16; ii++)
+ resetControlIntern(_tMode[i], ii);
+ } else {
+ resetControlIntern(_tMode[i], _tOrdr[i]);
+ }
+ }
+}
+
+void TownsEuphonyDriver::resetControlIntern(int mode, int chan) {
+ sendEvent(mode, 0xb0 | chan);
+ sendEvent(mode, 0x40);
+ sendEvent(mode, 0);
+ sendEvent(mode, 0xb0 | chan);
+ sendEvent(mode, 0x7b);
+ sendEvent(mode, 0);
+ sendEvent(mode, 0xb0 | chan);
+ sendEvent(mode, 0x79);
+ sendEvent(mode, 0x40);
+}
+
+uint8 TownsEuphonyDriver::appendEvent(uint8 evt, uint8 chan) {
+ if (evt >= 0x80 && evt < 0xf0 && _tOrdr[chan] < 16)
+ return (evt & 0xf0) | _tOrdr[chan];
+ return evt;
+}
+
+void TownsEuphonyDriver::sendEvent(uint8 mode, uint8 command) {
+ if (mode == 0) {
+ // warning("TownsEuphonyDriver: Mode 0 not implemented");
+
+ } else if (mode == 0x10) {
+ warning("TownsEuphonyDriver: Mode 0x10 not implemented");
+
+ } else if (mode == 0xff) {
+ if (command >= 0xf0) {
+ _paraCount = 1;
+ _command = 0;
+ } else if (command >= 0x80) {
+ _paraCount = 1;
+ _command = command;
+ } else if (_command >= 0x80) {
+ switch ((_command - 0x80) >> 4) {
+ case 0:
+ if (_paraCount < 2) {
+ _paraCount++;
+ _para[0] = command;
+ } else {
+ _paraCount = 1;
+ _para[1] = command;
+ sendNoteOff();
+ }
+ break;
+
+ case 1:
+ if (_paraCount < 2) {
+ _paraCount++;
+ _para[0] = command;
+ } else {
+ _paraCount = 1;
+ _para[1] = command;
+ if (command)
+ sendNoteOn();
+ else
+ sendNoteOff();
+ }
+ break;
+
+ case 2:
+ if (_paraCount < 2) {
+ _paraCount++;
+ _para[0] = command;
+ } else {
+ _paraCount = 1;
+ }
+ break;
+
+ case 3:
+ if (_paraCount < 2) {
+ _paraCount++;
+ _para[0] = command;
+ } else {
+ _paraCount = 1;
+ _para[1] = command;
+
+ if (_para[0] == 7)
+ sendChanVolume();
+ else if (_para[0] == 10)
+ sendPanPosition();
+ else if (_para[0] == 64)
+ sendAllNotesOff();
+ }
+ break;
+
+ case 4:
+ _paraCount = 1;
+ _para[0] = command;
+ sendSetInstrument();
+ break;
+
+ case 5:
+ _paraCount = 1;
+ _para[0] = command;
+ break;
+
+ case 6:
+ if (_paraCount < 2) {
+ _paraCount++;
+ _para[0] = command;
+ } else {
+ _paraCount = 1;
+ _para[1] = command;
+ sendPitch();
+ }
+ break;
+ }
+ }
+ }
+}
+
+bool TownsEuphonyDriver::evtSetupNote() {
+ if (_musicPos[1] > 31)
+ return false;
+ if (!_tEnable[_musicPos[1]]) {
+ jumpNextLoop();
+ return (_musicPos[0] == 0xfe || _musicPos[0] == 0xfd) ? true : false;
+ }
+ uint8 evt = appendEvent(_musicPos[0], _musicPos[1]);
+ uint8 mode = _tMode[_musicPos[1]];
+ uint8 note = _musicPos[4];
+ uint8 velo = _musicPos[5];
+
+ sendEvent(mode, evt);
+ sendEvent(mode, applyNoteShift(note));
+ sendEvent(mode, applyVolumeShift(velo));
+
+ jumpNextLoop();
+ if (_musicPos[0] == 0xfe || _musicPos[0] == 0xfd)
+ return true;
+
+ velo = _musicPos[5];
+ uint16 len = ((((_musicPos[1] << 4) | (_musicPos[2] << 8)) >> 4) & 0xff) | ((((_musicPos[3] << 4) | (_musicPos[4] << 8)) >> 4) << 8);
+
+ int i = 0;
+ for (; i < 64; i++) {
+ if (_eventBuffer[i].evt == 0)
+ break;
+ }
+
+ if (i == 64) {
+ processBufferNote(mode, evt, note, velo);
+ } else {
+ _eventBuffer[i].evt = evt;
+ _eventBuffer[i].mode = mode;
+ _eventBuffer[i].note = note;
+ _eventBuffer[i].velo = velo;
+ _eventBuffer[i].len = len ? len : 1;
+ _bufferedEventsCount++;
+ }
+
+ return false;
+}
+
+bool TownsEuphonyDriver::evtPolyphonicAftertouch() {
+ if (_musicPos[1] > 31)
+ return false;
+ if (!_tEnable[_musicPos[1]])
+ return false;
+
+ uint8 evt = appendEvent(_musicPos[0], _musicPos[1]);
+ uint8 mode = _tMode[_musicPos[1]];
+
+ sendEvent(mode, evt);
+ sendEvent(mode, applyNoteShift(_musicPos[4]));
+ sendEvent(mode, _musicPos[5]);
+
+ return false;
+}
+
+bool TownsEuphonyDriver::evtControlPitch() {
+ if (_musicPos[1] > 31)
+ return false;
+ if (!_tEnable[_musicPos[1]])
+ return false;
+
+ uint8 evt = appendEvent(_musicPos[0], _musicPos[1]);
+ uint8 mode = _tMode[_musicPos[1]];
+
+ sendEvent(mode, evt);
+ sendEvent(mode, _musicPos[4]);
+ sendEvent(mode, _musicPos[5]);
+
+ return false;
+}
+
+bool TownsEuphonyDriver::evtInstrumentChanAftertouch() {
+ if (_musicPos[1] > 31)
+ return false;
+ if (!_tEnable[_musicPos[1]])
+ return false;
+
+ uint8 evt = appendEvent(_musicPos[0], _musicPos[1]);
+ uint8 mode = _tMode[_musicPos[1]];
+
+ sendEvent(mode, evt);
+ sendEvent(mode, _musicPos[4]);
+
+ return false;
+}
+
+bool TownsEuphonyDriver::evtLoadInstrument() {
+ return false;
+}
+
+bool TownsEuphonyDriver::evtAdvanceTimestampOffset() {
+ ++_timeStampBase;
+ _baseTickLen = _musicPos[1];
+ return false;
+}
+
+bool TownsEuphonyDriver::evtTempo() {
+ uint8 l = _musicPos[4] << 1;
+ _trackTempo = (l | (_musicPos[5] << 8)) >> 1;
+ setTempoIntern(_trackTempo);
+ return false;
+}
+
+bool TownsEuphonyDriver::evtModeOrdrChange() {
+ if (_musicPos[1] > 31)
+ return false;
+ if (!_tEnable[_musicPos[1]])
+ return false;
+
+ if (_musicPos[4] == 1)
+ _tMode[_musicPos[1]] = _musicPos[5];
+ else if (_musicPos[4] == 2)
+ _tOrdr[_musicPos[1]] = _musicPos[5];
+
+ return false;
+}
+
+uint8 TownsEuphonyDriver::applyNoteShift(uint8 in) {
+ int out = _tTranspose[_musicPos[1]];
+ if (!out)
+ return in;
+ out += (in & 0x7f);
+
+ if (out > 127)
+ out -= 12;
+
+ if (out < 0)
+ out += 12;
+
+ return out & 0xff;
+}
+
+uint8 TownsEuphonyDriver::applyVolumeShift(uint8 in) {
+ int out = _tLevel[_musicPos[1]];
+ out += (in & 0x7f);
+ out = CLIP(out, 1, 127);
+
+ return out & 0xff;
+}
+
+void TownsEuphonyDriver::sendNoteOff() {
+ int8 *chan = &_activeChannels[_command & 0x0f];
+ if (*chan == -1)
+ return;
+
+ while (_assignedChannels[*chan].note != _para[0]) {
+ chan = &_assignedChannels[*chan].next;
+ if (*chan == -1)
+ return;
+ }
+
+ if (_sustainChannels[_command & 0x0f]) {
+ _assignedChannels[*chan].note |= 0x80;
+ } else {
+ _assignedChannels[*chan].note = 0;
+ _intf->callback(2, *chan);
+ }
+}
+
+void TownsEuphonyDriver::sendNoteOn() {
+ if (!_para[0])
+ return;
+ int8 *chan = &_activeChannels[_command & 0x0f];
+ if (*chan == -1)
+ return;
+
+ do {
+ _assignedChannels[*chan].sub++;
+ chan = &_assignedChannels[*chan].next;
+ } while (*chan != -1);
+
+ chan = &_activeChannels[_command & 0x0f];
+
+ int d = 0;
+ int c = 0;
+ bool found = false;
+
+ do {
+ if (!_assignedChannels[*chan].note) {
+ found = true;
+ break;
+ }
+ if (d <= _assignedChannels[*chan].sub) {
+ c = *chan;
+ d = _assignedChannels[*chan].sub;
+ }
+ chan = &_assignedChannels[*chan].next;
+ } while (*chan != -1);
+
+ if (found)
+ c = *chan;
+ else
+ _intf->callback(2, c);
+
+ _assignedChannels[c].note = _para[0];
+ _assignedChannels[c].sub = 0;
+ _intf->callback(1, c, _para[0], _para[1]);
+}
+
+void TownsEuphonyDriver::sendChanVolume() {
+ int8 *chan = &_activeChannels[_command & 0x0f];
+ while (*chan != -1) {
+ _intf->callback(8, *chan, _para[1] & 0x7f);
+ chan = &_assignedChannels[*chan].next;
+ }
+}
+
+void TownsEuphonyDriver::sendPanPosition() {
+ int8 *chan = &_activeChannels[_command & 0x0f];
+ while (*chan != -1) {
+ _intf->callback(3, *chan, _para[1] & 0x7f);
+ chan = &_assignedChannels[*chan].next;
+ }
+}
+
+void TownsEuphonyDriver::sendAllNotesOff() {
+ if (_para[1] > 63) {
+ _sustainChannels[_command & 0x0f] = -1;
+ return;
+ }
+
+ _sustainChannels[_command & 0x0f] = 0;
+ int8 *chan = &_activeChannels[_command & 0x0f];
+ while (*chan != -1) {
+ if (_assignedChannels[*chan].note & 0x80) {
+ _assignedChannels[*chan].note = 0;
+ _intf->callback(2, *chan);
+ }
+ chan = &_assignedChannels[*chan].next;
+ }
+}
+
+void TownsEuphonyDriver::sendSetInstrument() {
+ int8 *chan = &_activeChannels[_command & 0x0f];
+ while (*chan != -1) {
+ _intf->callback(4, *chan, _para[0]);
+ _intf->callback(7, *chan, 0);
+ chan = &_assignedChannels[*chan].next;
+ }
+}
+
+void TownsEuphonyDriver::sendPitch() {
+ int8 *chan = &_activeChannels[_command & 0x0f];
+ while (*chan != -1) {
+ _para[0] += _para[0];
+ int16 pitch = (((READ_LE_UINT16(_para)) >> 1) & 0x3fff) - 0x2000;
+ _intf->callback(7, *chan, pitch);
+ chan = &_assignedChannels[*chan].next;
+ }
+}
diff --git a/audio/softsynth/fmtowns_pc98/towns_euphony.h b/audio/softsynth/fmtowns_pc98/towns_euphony.h
new file mode 100644
index 0000000000..dc40373913
--- /dev/null
+++ b/audio/softsynth/fmtowns_pc98/towns_euphony.h
@@ -0,0 +1,187 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef TOWNS_EUP_H
+#define TOWNS_EUP_H
+
+#include "audio/softsynth/fmtowns_pc98/towns_audio.h"
+
+class TownsEuphonyDriver : public TownsAudioInterfacePluginDriver {
+public:
+ TownsEuphonyDriver(Audio::Mixer *mixer);
+ virtual ~TownsEuphonyDriver();
+
+ bool init();
+ void reset();
+
+ void loadInstrument(int chanType, int id, const uint8 *data);
+ void loadWaveTable(const uint8 *data);
+ void unloadWaveTable(int id);
+ void reserveSoundEffectChannels(int num);
+
+ int setMusicTempo(int tempo);
+ 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);
+ bool soundEffectIsPlaying(int chan);
+
+ void chanPanPos(int chan, int mode);
+ void chanPitch(int chan, int pitch);
+ void chanVolume(int chan, int vol);
+
+ 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 chanVolumeShift(int tableEntry, int val);
+ int chanNoteShift(int tableEntry, int val);
+
+ int assignChannel(int chan, int tableEntry);
+
+ void timerCallback(int timerId);
+
+ void setMusicVolume(int volume);
+ void setSoundEffectVolume(int volume);
+
+ TownsAudioInterface *intf() {
+ return _intf;
+ }
+
+private:
+ void resetTables();
+
+ void resetTempo();
+ void setTempoIntern(int tempo);
+ void setTimerA(bool enable, int tempo);
+ void setTimerB(bool enable, int tempo);
+
+ void updatePulseCount();
+ void updateTimeStampBase();
+ void updateParser();
+ void updateCheckEot();
+
+ bool parseNext();
+ void jumpNextLoop();
+
+ void updateEventBuffer();
+ void flushEventBuffer();
+ void processBufferNote(int mode, int evt, int note, int velo);
+
+ void resetControl();
+ void resetControlIntern(int mode, int chan);
+ uint8 appendEvent(uint8 evt, uint8 chan);
+
+ void sendEvent(uint8 mode, uint8 command);
+
+ typedef bool(TownsEuphonyDriver::*EuphonyOpcode)();
+ bool evtSetupNote();
+ bool evtPolyphonicAftertouch();
+ bool evtControlPitch();
+ bool evtInstrumentChanAftertouch();
+ bool evtLoadInstrument();
+ bool evtAdvanceTimestampOffset();
+ bool evtTempo();
+ bool evtModeOrdrChange();
+ bool evtNotImpl() {
+ return false;
+ }
+
+ uint8 applyNoteShift(uint8 in);
+ uint8 applyVolumeShift(uint8 in);
+
+ void sendNoteOff();
+ void sendNoteOn();
+ void sendChanVolume();
+ void sendPanPosition();
+ void sendAllNotesOff();
+ void sendSetInstrument();
+ void sendPitch();
+
+ int8 *_activeChannels;
+ int8 *_sustainChannels;
+
+ struct ActiveChannel {
+ int8 chan;
+ int8 next;
+ uint8 note;
+ uint8 sub;
+ } *_assignedChannels;
+
+ uint8 *_tEnable;
+ uint8 *_tMode;
+ uint8 *_tOrdr;
+ int8 *_tLevel;
+ int8 *_tTranspose;
+
+ struct DlEvent {
+ uint8 evt;
+ uint8 mode;
+ uint8 note;
+ uint8 velo;
+ uint16 len;
+ } *_eventBuffer;
+ int _bufferedEventsCount;
+
+ uint8 _para[2];
+ uint8 _paraCount;
+ uint8 _command;
+
+ uint8 _defaultBaseTickLen;
+ uint8 _baseTickLen;
+ uint32 _pulseCount;
+ int _tempoControlMode;
+ int _extraTimingControlRemainder;
+ int _extraTimingControl;
+ int _timerSetting;
+ int8 _tempoDiff;
+ int _tempoModifier;
+ uint32 _timeStampDest;
+ uint32 _timeStampBase;
+ int8 _elapsedEvents;
+ uint8 _deltaTicks;
+ uint32 _tickCounter;
+ uint8 _defaultTempo;
+ int _trackTempo;
+
+ bool _loop;
+ bool _playing;
+ bool _endOfTrack;
+ bool _suspendParsing;
+
+ const uint8 *_musicStart;
+ const uint8 *_musicPos;
+ uint32 _musicTrackSize;
+
+ TownsAudioInterface *_intf;
+};
+
+#endif
+
diff --git a/audio/softsynth/fmtowns_pc98/towns_pc98_driver.cpp b/audio/softsynth/fmtowns_pc98/towns_pc98_driver.cpp
new file mode 100644
index 0000000000..79fd95ea0d
--- /dev/null
+++ b/audio/softsynth/fmtowns_pc98/towns_pc98_driver.cpp
@@ -0,0 +1,1428 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "audio/softsynth/fmtowns_pc98/towns_pc98_driver.h"
+#include "common/endian.h"
+
+class TownsPC98_MusicChannel {
+public:
+ TownsPC98_MusicChannel(TownsPC98_AudioDriver *driver, uint8 regOffs, uint8 flgs, uint8 num,
+ uint8 key, uint8 prt, uint8 id);
+ virtual ~TownsPC98_MusicChannel();
+ virtual void init();
+
+ typedef enum channelState {
+ CHS_RECALCFREQ = 0x01,
+ CHS_KEYOFF = 0x02,
+ CHS_SSGOFF = 0x04,
+ CHS_VBROFF = 0x08,
+ CHS_ALLOFF = 0x0f,
+ CHS_PROTECT = 0x40,
+ CHS_EOT = 0x80
+ } ChannelState;
+
+ virtual void loadData(uint8 *data);
+ virtual void processEvents();
+ virtual void processFrequency();
+ virtual bool processControlEvent(uint8 cmd);
+
+ virtual void keyOn();
+ void keyOff();
+
+ void setOutputLevel();
+ virtual void fadeStep();
+ virtual void reset();
+
+ const uint8 _idFlag;
+
+protected:
+ void setupVibrato();
+ bool processVibrato();
+
+ bool control_dummy(uint8 para);
+ bool control_f0_setPatch(uint8 para);
+ bool control_f1_presetOutputLevel(uint8 para);
+ bool control_f2_setKeyOffTime(uint8 para);
+ bool control_f3_setFreqLSB(uint8 para);
+ bool control_f4_setOutputLevel(uint8 para);
+ bool control_f5_setTempo(uint8 para);
+ bool control_f6_repeatSection(uint8 para);
+ bool control_f7_setupVibrato(uint8 para);
+ bool control_f8_toggleVibrato(uint8 para);
+ bool control_fa_writeReg(uint8 para);
+ virtual bool control_fb_incOutLevel(uint8 para);
+ virtual bool control_fc_decOutLevel(uint8 para);
+ bool control_fd_jump(uint8 para);
+ virtual bool control_ff_endOfTrack(uint8 para);
+
+ uint8 _ticksLeft;
+ uint8 _algorithm;
+ uint8 _instr;
+ uint8 _totalLevel;
+ uint8 _frqBlockMSB;
+ int8 _frqLSB;
+ uint8 _keyOffTime;
+ bool _hold;
+ uint8 *_dataPtr;
+ uint8 _vbrInitDelayHi;
+ uint8 _vbrInitDelayLo;
+ int16 _vbrModInitVal;
+ uint8 _vbrDuration;
+ uint8 _vbrCurDelay;
+ int16 _vbrModCurVal;
+ uint8 _vbrDurLeft;
+ uint16 _frequency;
+ uint8 _block;
+ uint8 _regOffset;
+ uint8 _flags;
+ uint8 _ssgTl;
+ uint8 _ssgStep;
+ uint8 _ssgTicksLeft;
+ uint8 _ssgTargetLvl;
+ uint8 _ssgStartLvl;
+
+ const uint8 _chanNum;
+ const uint8 _keyNum;
+ const uint8 _part;
+
+ TownsPC98_AudioDriver *_drv;
+
+ typedef bool (TownsPC98_MusicChannel::*ControlEventFunc)(uint8 para);
+ const ControlEventFunc *controlEvents;
+};
+
+class TownsPC98_MusicChannelSSG : public TownsPC98_MusicChannel {
+public:
+ TownsPC98_MusicChannelSSG(TownsPC98_AudioDriver *driver, uint8 regOffs,
+ uint8 flgs, uint8 num, uint8 key, uint8 prt, uint8 id);
+ virtual ~TownsPC98_MusicChannelSSG() {}
+ void init();
+
+ virtual void loadData(uint8 *data);
+ void processEvents();
+ void processFrequency();
+ bool processControlEvent(uint8 cmd);
+
+ void keyOn();
+ void nextShape();
+
+ void protect();
+ void restore();
+ virtual void reset();
+
+ void fadeStep();
+
+protected:
+ void setOutputLevel(uint8 lvl);
+
+ bool control_f0_setPatch(uint8 para);
+ bool control_f1_setTotalLevel(uint8 para);
+ bool control_f4_setAlgorithm(uint8 para);
+ bool control_f9_loadCustomPatch(uint8 para);
+ bool control_fb_incOutLevel(uint8 para);
+ bool control_fc_decOutLevel(uint8 para);
+ bool control_ff_endOfTrack(uint8 para);
+
+ typedef bool (TownsPC98_MusicChannelSSG::*ControlEventFunc)(uint8 para);
+ const ControlEventFunc *controlEvents;
+};
+
+class TownsPC98_SfxChannel : public TownsPC98_MusicChannelSSG {
+public:
+ TownsPC98_SfxChannel(TownsPC98_AudioDriver *driver, uint8 regOffs,
+ uint8 flgs, uint8 num, uint8 key, uint8 prt, uint8 id) :
+ TownsPC98_MusicChannelSSG(driver, regOffs, flgs, num, key, prt, id) {}
+ ~TownsPC98_SfxChannel() {}
+
+ void loadData(uint8 *data);
+ void reset();
+};
+
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+class TownsPC98_MusicChannelPCM : public TownsPC98_MusicChannel {
+public:
+ TownsPC98_MusicChannelPCM(TownsPC98_AudioDriver *driver, uint8 regOffs,
+ uint8 flgs, uint8 num, uint8 key, uint8 prt, uint8 id);
+ ~TownsPC98_MusicChannelPCM() {}
+ void init();
+
+ void loadData(uint8 *data);
+ void processEvents();
+ bool processControlEvent(uint8 cmd);
+
+private:
+ bool control_f1_prcStart(uint8 para);
+ bool control_ff_endOfTrack(uint8 para);
+
+ typedef bool (TownsPC98_MusicChannelPCM::*ControlEventFunc)(uint8 para);
+ const ControlEventFunc *controlEvents;
+};
+#endif
+
+TownsPC98_MusicChannel::TownsPC98_MusicChannel(TownsPC98_AudioDriver *driver, uint8 regOffs, uint8 flgs, uint8 num,
+ uint8 key, uint8 prt, uint8 id) : _drv(driver), _regOffset(regOffs), _flags(flgs), _chanNum(num), _keyNum(key),
+ _part(prt), _idFlag(id), controlEvents(0) {
+
+ _ticksLeft = _algorithm = _instr = _totalLevel = _frqBlockMSB = _keyOffTime = 0;
+ _ssgStartLvl = _ssgTl = _ssgStep = _ssgTicksLeft = _ssgTargetLvl = _block = 0;
+ _vbrInitDelayHi = _vbrInitDelayLo = _vbrDuration = _vbrCurDelay = _vbrDurLeft = 0;
+ _frqLSB = 0;
+ _hold = false;
+ _dataPtr = 0;
+ _vbrModInitVal = _vbrModCurVal = 0;
+ _frequency = 0;
+}
+
+TownsPC98_MusicChannel::~TownsPC98_MusicChannel() {
+}
+
+void TownsPC98_MusicChannel::init() {
+#define Control(x) &TownsPC98_MusicChannel::control_##x
+ static const ControlEventFunc ctrlEvents[] = {
+ Control(f0_setPatch),
+ Control(f1_presetOutputLevel),
+ Control(f2_setKeyOffTime),
+ Control(f3_setFreqLSB),
+ Control(f4_setOutputLevel),
+ Control(f5_setTempo),
+ Control(f6_repeatSection),
+ Control(f7_setupVibrato),
+ Control(f8_toggleVibrato),
+ Control(dummy),
+ Control(fa_writeReg),
+ Control(fb_incOutLevel),
+ Control(fc_decOutLevel),
+ Control(fd_jump),
+ Control(dummy),
+ Control(ff_endOfTrack)
+ };
+#undef Control
+
+ controlEvents = ctrlEvents;
+}
+
+void TownsPC98_MusicChannel::keyOff() {
+ // all operators off
+ uint8 value = _keyNum & 0x0f;
+ if (_part)
+ value |= 4;
+ uint8 regAddress = 0x28;
+ _drv->writeReg(0, regAddress, value);
+ _flags |= CHS_KEYOFF;
+}
+
+void TownsPC98_MusicChannel::keyOn() {
+ // all operators on
+ uint8 value = _keyNum | 0xf0;
+ if (_part)
+ value |= 4;
+ uint8 regAddress = 0x28;
+ _drv->writeReg(0, regAddress, value);
+}
+
+void TownsPC98_MusicChannel::loadData(uint8 *data) {
+ _flags = (_flags & ~CHS_EOT) | CHS_ALLOFF;
+ _ticksLeft = 1;
+ _dataPtr = data;
+ _totalLevel = 0x7F;
+
+ uint8 *tmp = _dataPtr;
+ for (bool loop = true; loop;) {
+ uint8 cmd = *tmp++;
+ if (cmd < 0xf0) {
+ tmp++;
+ } else if (cmd == 0xff) {
+ if (READ_LE_UINT16(tmp)) {
+ _drv->_looping |= _idFlag;
+ tmp += _drv->_opnFxCmdLen[cmd - 240];
+ } else
+ loop = false;
+ } else if (cmd == 0xf6) {
+ // reset repeat section countdown
+ tmp[0] = tmp[1];
+ tmp += 4;
+ } else {
+ tmp += _drv->_opnFxCmdLen[cmd - 240];
+ }
+ }
+}
+
+void TownsPC98_MusicChannel::processEvents() {
+ if (_flags & CHS_EOT)
+ return;
+
+ if (!_hold && _ticksLeft == _keyOffTime)
+ keyOff();
+
+ if (--_ticksLeft)
+ return;
+
+ if (!_hold)
+ keyOff();
+
+ uint8 cmd = 0;
+ bool loop = true;
+
+ while (loop) {
+ cmd = *_dataPtr++;
+ if (cmd < 0xf0)
+ loop = false;
+ else if (!processControlEvent(cmd))
+ return;
+ }
+
+ uint8 para = *_dataPtr++;
+
+ if (cmd == 0x80) {
+ keyOff();
+ _hold = false;
+ } else {
+ keyOn();
+
+ if (_hold == false || cmd != _frqBlockMSB)
+ _flags |= CHS_RECALCFREQ;
+
+ _hold = (para & 0x80) ? true : false;
+ _frqBlockMSB = cmd;
+ }
+
+ _ticksLeft = para & 0x7f;
+}
+
+void TownsPC98_MusicChannel::processFrequency() {
+ if (_flags & CHS_RECALCFREQ) {
+
+ _frequency = (READ_LE_UINT16(&_drv->_opnFreqTable[(_frqBlockMSB & 0x0f) << 1]) + _frqLSB) | (((_frqBlockMSB & 0x70) >> 1) << 8);
+
+ _drv->writeReg(_part, _regOffset + 0xa4, (_frequency >> 8));
+ _drv->writeReg(_part, _regOffset + 0xa0, (_frequency & 0xff));
+
+ setupVibrato();
+ }
+
+ if (!(_flags & CHS_VBROFF)) {
+ if (!processVibrato())
+ return;
+
+ _drv->writeReg(_part, _regOffset + 0xa4, (_frequency >> 8));
+ _drv->writeReg(_part, _regOffset + 0xa0, (_frequency & 0xff));
+ }
+}
+
+void TownsPC98_MusicChannel::setupVibrato() {
+ _vbrCurDelay = _vbrInitDelayHi;
+ if (_flags & CHS_KEYOFF) {
+ _vbrModCurVal = _vbrModInitVal;
+ _vbrCurDelay += _vbrInitDelayLo;
+ }
+ _vbrDurLeft = (_vbrDuration >> 1);
+ _flags &= ~(CHS_KEYOFF | CHS_RECALCFREQ);
+}
+
+bool TownsPC98_MusicChannel::processVibrato() {
+ if (--_vbrCurDelay)
+ return false;
+
+ _vbrCurDelay = _vbrInitDelayHi;
+ _frequency += _vbrModCurVal;
+
+ if (!--_vbrDurLeft) {
+ _vbrDurLeft = _vbrDuration;
+ _vbrModCurVal = -_vbrModCurVal;
+ }
+
+ return true;
+}
+
+bool TownsPC98_MusicChannel::processControlEvent(uint8 cmd) {
+ uint8 para = *_dataPtr++;
+ return (this->*controlEvents[cmd & 0x0f])(para);
+}
+
+void TownsPC98_MusicChannel::setOutputLevel() {
+ uint8 outopr = _drv->_opnCarrier[_algorithm];
+ uint8 reg = 0x40 + _regOffset;
+
+ for (int i = 0; i < 4; i++) {
+ if (outopr & 1)
+ _drv->writeReg(_part, reg, _totalLevel);
+ outopr >>= 1;
+ reg += 4;
+ }
+}
+
+void TownsPC98_MusicChannel::fadeStep() {
+ _totalLevel += 3;
+ if (_totalLevel > 0x7f)
+ _totalLevel = 0x7f;
+ setOutputLevel();
+}
+
+void TownsPC98_MusicChannel::reset() {
+ _hold = false;
+ _keyOffTime = 0;
+ _ticksLeft = 1;
+
+ _flags = (_flags & ~CHS_EOT) | CHS_ALLOFF;
+
+ _totalLevel = 0;
+ _algorithm = 0;
+ _flags = CHS_EOT;
+ _algorithm = 0;
+
+ _block = 0;
+ _frequency = 0;
+ _frqBlockMSB = 0;
+ _frqLSB = 0;
+
+ _ssgTl = 0;
+ _ssgStartLvl = 0;
+ _ssgTargetLvl = 0;
+ _ssgStep = 0;
+ _ssgTicksLeft = 0;
+
+ _vbrInitDelayHi = 0;
+ _vbrInitDelayLo = 0;
+ _vbrModInitVal = 0;
+ _vbrDuration = 0;
+ _vbrCurDelay = 0;
+ _vbrModCurVal = 0;
+ _vbrDurLeft = 0;
+}
+
+bool TownsPC98_MusicChannel::control_f0_setPatch(uint8 para) {
+ _instr = para;
+ uint8 reg = _regOffset + 0x80;
+
+ for (int i = 0; i < 4; i++) {
+ // set release rate for each operator
+ _drv->writeReg(_part, reg, 0x0f);
+ reg += 4;
+ }
+
+ const uint8 *tptr = _drv->_patches + ((uint32)_instr << 5);
+ reg = _regOffset + 0x30;
+
+ // write registers 0x30 to 0x8f
+ for (int i = 0; i < 6; i++) {
+ _drv->writeReg(_part, reg, tptr[0]);
+ reg += 4;
+ _drv->writeReg(_part, reg, tptr[2]);
+ reg += 4;
+ _drv->writeReg(_part, reg, tptr[1]);
+ reg += 4;
+ _drv->writeReg(_part, reg, tptr[3]);
+ reg += 4;
+ tptr += 4;
+ }
+
+ reg = _regOffset + 0xB0;
+ _algorithm = tptr[0] & 7;
+ // set feedback and algorithm
+ _drv->writeReg(_part, reg, tptr[0]);
+
+ setOutputLevel();
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_f1_presetOutputLevel(uint8 para) {
+ if (_drv->_fading)
+ return true;
+
+ _totalLevel = _drv->_opnLvlPresets[para];
+ setOutputLevel();
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_f2_setKeyOffTime(uint8 para) {
+ _keyOffTime = para;
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_f3_setFreqLSB(uint8 para) {
+ _frqLSB = (int8) para;
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_f4_setOutputLevel(uint8 para) {
+ if (_drv->_fading)
+ return true;
+
+ _totalLevel = para;
+ setOutputLevel();
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_f5_setTempo(uint8 para) {
+ _drv->setMusicTempo(para);
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_f6_repeatSection(uint8 para) {
+ _dataPtr--;
+ _dataPtr[0]--;
+
+ if (*_dataPtr) {
+ // repeat section until counter has reached zero
+ _dataPtr = _drv->_trackPtr + READ_LE_UINT16(_dataPtr + 2);
+ } else {
+ // reset counter, advance to next section
+ _dataPtr[0] = _dataPtr[1];
+ _dataPtr += 4;
+ }
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_f7_setupVibrato(uint8 para) {
+ _vbrInitDelayHi = _dataPtr[0];
+ _vbrInitDelayLo = para;
+ _vbrModInitVal = (int16) READ_LE_UINT16(_dataPtr + 1);
+ _vbrDuration = _dataPtr[3];
+ _dataPtr += 4;
+ _flags = (_flags & ~CHS_VBROFF) | CHS_KEYOFF | CHS_RECALCFREQ;
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_f8_toggleVibrato(uint8 para) {
+ if (para == 0x10) {
+ if (*_dataPtr++) {
+ _flags = (_flags & ~CHS_VBROFF) | CHS_KEYOFF;
+ } else {
+ _flags |= CHS_VBROFF;
+ }
+ } else {
+ /* NOT IMPLEMENTED
+ uint8 skipChannels = para / 36;
+ uint8 entry = para % 36;
+ TownsPC98_AudioDriver::TownsPC98_MusicChannel *t = &chan[skipChannels];
+
+ t->unnamedEntries[entry] = *_dataPtr++;*/
+ }
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_fa_writeReg(uint8 para) {
+ _drv->writeReg(_part, para, *_dataPtr++);
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_fb_incOutLevel(uint8 para) {
+ _dataPtr--;
+ if (_drv->_fading)
+ return true;
+
+ uint8 val = (_totalLevel + 3);
+ if (val > 0x7f)
+ val = 0x7f;
+
+ _totalLevel = val;
+ setOutputLevel();
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_fc_decOutLevel(uint8 para) {
+ _dataPtr--;
+ if (_drv->_fading)
+ return true;
+
+ int8 val = (int8)(_totalLevel - 3);
+ if (val < 0)
+ val = 0;
+
+ _totalLevel = (uint8) val;
+ setOutputLevel();
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_fd_jump(uint8 para) {
+ uint8 *tmp = _drv->_trackPtr + READ_LE_UINT16(_dataPtr - 1);
+ _dataPtr = (tmp[1] == 1) ? tmp : (_dataPtr + 1);
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_dummy(uint8 para) {
+ _dataPtr--;
+ return true;
+}
+
+bool TownsPC98_MusicChannel::control_ff_endOfTrack(uint8 para) {
+ uint16 val = READ_LE_UINT16(--_dataPtr);
+ if (val) {
+ // loop
+ _dataPtr = _drv->_trackPtr + val;
+ return true;
+ } else {
+ // quit parsing for active channel
+ --_dataPtr;
+ _flags |= CHS_EOT;
+ _drv->_finishedChannelsFlag |= _idFlag;
+ keyOff();
+ return false;
+ }
+}
+
+TownsPC98_MusicChannelSSG::TownsPC98_MusicChannelSSG(TownsPC98_AudioDriver *driver, uint8 regOffs,
+ uint8 flgs, uint8 num, uint8 key, uint8 prt, uint8 id) :
+ TownsPC98_MusicChannel(driver, regOffs, flgs, num, key, prt, id), controlEvents(0) {
+}
+
+void TownsPC98_MusicChannelSSG::init() {
+ _algorithm = 0x80;
+
+#define Control(x) &TownsPC98_MusicChannelSSG::control_##x
+ static const ControlEventFunc ctrlEventsSSG[] = {
+ Control(f0_setPatch),
+ Control(f1_setTotalLevel),
+ Control(f2_setKeyOffTime),
+ Control(f3_setFreqLSB),
+ Control(f4_setAlgorithm),
+ Control(f5_setTempo),
+ Control(f6_repeatSection),
+ Control(f7_setupVibrato),
+ Control(f8_toggleVibrato),
+ Control(f9_loadCustomPatch),
+ Control(fa_writeReg),
+ Control(fb_incOutLevel),
+ Control(fc_decOutLevel),
+ Control(fd_jump),
+ Control(dummy),
+ Control(ff_endOfTrack)
+ };
+#undef Control
+
+ controlEvents = ctrlEventsSSG;
+}
+
+void TownsPC98_MusicChannelSSG::processEvents() {
+ if (_flags & CHS_EOT)
+ return;
+
+ _drv->toggleRegProtection(_flags & CHS_PROTECT ? true : false);
+
+ if (!_hold && _ticksLeft == _keyOffTime)
+ nextShape();
+
+ if (!--_ticksLeft) {
+
+ uint8 cmd = 0;
+ bool loop = true;
+
+ while (loop) {
+ cmd = *_dataPtr++;
+ if (cmd < 0xf0)
+ loop = false;
+ else if (!processControlEvent(cmd))
+ return;
+ }
+
+ uint8 para = *_dataPtr++;
+
+ if (cmd == 0x80) {
+ nextShape();
+ _hold = false;
+ } else {
+ if (!_hold) {
+ _instr &= 0xf0;
+ _ssgStep = _drv->_ssgPatches[_instr];
+ _ssgTicksLeft = _drv->_ssgPatches[_instr + 1] & 0x7f;
+ _ssgTargetLvl = _drv->_ssgPatches[_instr + 2];
+ _ssgStartLvl = _drv->_ssgPatches[_instr + 3];
+ _flags = (_flags & ~CHS_SSGOFF) | CHS_KEYOFF;
+ }
+
+ keyOn();
+
+ if (_hold == false || cmd != _frqBlockMSB)
+ _flags |= CHS_RECALCFREQ;
+
+ _hold = (para & 0x80) ? true : false;
+ _frqBlockMSB = cmd;
+ }
+
+ _ticksLeft = para & 0x7f;
+ }
+
+ if (!(_flags & CHS_SSGOFF)) {
+ if (--_ssgTicksLeft) {
+ if (!_drv->_fading)
+ setOutputLevel(_ssgStartLvl);
+ return;
+ }
+
+ _ssgTicksLeft = _drv->_ssgPatches[_instr + 1] & 0x7f;
+
+ if (_drv->_ssgPatches[_instr + 1] & 0x80) {
+ uint8 t = _ssgStartLvl - _ssgStep;
+
+ if (_ssgStep <= _ssgStartLvl && _ssgTargetLvl < t) {
+ if (!_drv->_fading)
+ setOutputLevel(t);
+ return;
+ }
+ } else {
+ int t = _ssgStartLvl + _ssgStep;
+ uint8 p = (uint8)(t & 0xff);
+
+ if (t < 256 && _ssgTargetLvl > p) {
+ if (!_drv->_fading)
+ setOutputLevel(p);
+ return;
+ }
+ }
+
+ setOutputLevel(_ssgTargetLvl);
+ if (_ssgStartLvl && !(_instr & 8)) {
+ _instr += 4;
+ _ssgStep = _drv->_ssgPatches[_instr];
+ _ssgTicksLeft = _drv->_ssgPatches[_instr + 1] & 0x7f;
+ _ssgTargetLvl = _drv->_ssgPatches[_instr + 2];
+ } else {
+ _flags |= CHS_SSGOFF;
+ setOutputLevel(0);
+ }
+ }
+}
+
+void TownsPC98_MusicChannelSSG::processFrequency() {
+ if (_algorithm & 0x40)
+ return;
+
+ if (_flags & CHS_RECALCFREQ) {
+ _block = _frqBlockMSB >> 4;
+ _frequency = READ_LE_UINT16(&_drv->_opnFreqTableSSG[(_frqBlockMSB & 0x0f) << 1]) + _frqLSB;
+
+ uint16 f = _frequency >> _block;
+ _drv->writeReg(_part, _regOffset << 1, f & 0xff);
+ _drv->writeReg(_part, (_regOffset << 1) + 1, f >> 8);
+
+ setupVibrato();
+ }
+
+ if (!(_flags & (CHS_EOT | CHS_VBROFF | CHS_SSGOFF))) {
+ if (!processVibrato())
+ return;
+
+ uint16 f = _frequency >> _block;
+ _drv->writeReg(_part, _regOffset << 1, f & 0xff);
+ _drv->writeReg(_part, (_regOffset << 1) + 1, f >> 8);
+ }
+}
+
+bool TownsPC98_MusicChannelSSG::processControlEvent(uint8 cmd) {
+ uint8 para = *_dataPtr++;
+ return (this->*controlEvents[cmd & 0x0f])(para);
+}
+
+void TownsPC98_MusicChannelSSG::nextShape() {
+ _instr = (_instr & 0xf0) + 0x0c;
+ _ssgStep = _drv->_ssgPatches[_instr];
+ _ssgTicksLeft = _drv->_ssgPatches[_instr + 1] & 0x7f;
+ _ssgTargetLvl = _drv->_ssgPatches[_instr + 2];
+}
+
+void TownsPC98_MusicChannelSSG::keyOn() {
+ uint8 c = 0x7b;
+ uint8 t = (_algorithm & 0xC0) << 1;
+ if (_algorithm & 0x80)
+ t |= 4;
+
+ c = (c << (_regOffset + 1)) | (c >> (7 - _regOffset));
+ t = (t << (_regOffset + 1)) | (t >> (7 - _regOffset));
+
+ if (!(_algorithm & 0x80))
+ _drv->writeReg(_part, 6, _algorithm & 0x7f);
+
+ uint8 e = (_drv->readSSGStatus() & c) | t;
+ _drv->writeReg(_part, 7, e);
+}
+
+void TownsPC98_MusicChannelSSG::protect() {
+ _flags |= CHS_PROTECT;
+}
+
+void TownsPC98_MusicChannelSSG::restore() {
+ _flags &= ~CHS_PROTECT;
+ keyOn();
+ _drv->writeReg(_part, 8 + _regOffset, _ssgTl);
+ uint16 f = _frequency >> _block;
+ _drv->writeReg(_part, _regOffset << 1, f & 0xff);
+ _drv->writeReg(_part, (_regOffset << 1) + 1, f >> 8);
+}
+
+void TownsPC98_MusicChannelSSG::loadData(uint8 *data) {
+ _drv->toggleRegProtection(_flags & CHS_PROTECT ? true : false);
+ TownsPC98_MusicChannel::loadData(data);
+ setOutputLevel(0);
+ _algorithm = 0x80;
+}
+
+void TownsPC98_MusicChannelSSG::setOutputLevel(uint8 lvl) {
+ _ssgStartLvl = lvl;
+ uint16 newTl = (((uint16)_totalLevel + 1) * (uint16)lvl) >> 8;
+ if (newTl == _ssgTl)
+ return;
+ _ssgTl = newTl;
+ _drv->writeReg(_part, 8 + _regOffset, _ssgTl);
+}
+
+void TownsPC98_MusicChannelSSG::reset() {
+ TownsPC98_MusicChannel::reset();
+
+ // Unlike the original we restore the default patch data. This fixes a bug
+ // where certain sound effects would bring each other out of tune (e.g. the
+ // dragon's fire in Darm's house in Kyra 1 would sound different each time
+ // you triggered another sfx by dropping an item etc.)
+ uint8 i = (10 + _regOffset) << 4;
+ const uint8 *src = &_drv->_drvTables[156];
+ _drv->_ssgPatches[i] = src[i];
+ _drv->_ssgPatches[i + 3] = src[i + 3];
+ _drv->_ssgPatches[i + 4] = src[i + 4];
+ _drv->_ssgPatches[i + 6] = src[i + 6];
+ _drv->_ssgPatches[i + 8] = src[i + 8];
+ _drv->_ssgPatches[i + 12] = src[i + 12];
+}
+
+void TownsPC98_MusicChannelSSG::fadeStep() {
+ _totalLevel--;
+ if ((int8)_totalLevel < 0)
+ _totalLevel = 0;
+ setOutputLevel(_ssgStartLvl);
+}
+
+bool TownsPC98_MusicChannelSSG::control_f0_setPatch(uint8 para) {
+ _instr = para << 4;
+ para = (para >> 3) & 0x1e;
+ if (para)
+ return control_f4_setAlgorithm(para | 0x40);
+ return true;
+}
+
+bool TownsPC98_MusicChannelSSG::control_f1_setTotalLevel(uint8 para) {
+ if (!_drv->_fading)
+ _totalLevel = para;
+ return true;
+}
+
+bool TownsPC98_MusicChannelSSG::control_f4_setAlgorithm(uint8 para) {
+ _algorithm = para;
+ return true;
+}
+
+bool TownsPC98_MusicChannelSSG::control_f9_loadCustomPatch(uint8 para) {
+ _instr = (_drv->_sfxOffs + 10 + _regOffset) << 4;
+ _drv->_ssgPatches[_instr] = *_dataPtr++;
+ _drv->_ssgPatches[_instr + 3] = para;
+ _drv->_ssgPatches[_instr + 4] = *_dataPtr++;
+ _drv->_ssgPatches[_instr + 6] = *_dataPtr++;
+ _drv->_ssgPatches[_instr + 8] = *_dataPtr++;
+ _drv->_ssgPatches[_instr + 12] = *_dataPtr++;
+ return true;
+}
+
+bool TownsPC98_MusicChannelSSG::control_fb_incOutLevel(uint8 para) {
+ _dataPtr--;
+ if (_drv->_fading)
+ return true;
+
+ _totalLevel--;
+ if ((int8)_totalLevel < 0)
+ _totalLevel = 0;
+
+ return true;
+}
+
+bool TownsPC98_MusicChannelSSG::control_fc_decOutLevel(uint8 para) {
+ _dataPtr--;
+ if (_drv->_fading)
+ return true;
+
+ if (_totalLevel + 1 < 0x10)
+ _totalLevel++;
+
+ return true;
+}
+
+bool TownsPC98_MusicChannelSSG::control_ff_endOfTrack(uint8 para) {
+ if (!_drv->_sfxOffs) {
+ uint16 val = READ_LE_UINT16(--_dataPtr);
+ if (val) {
+ // loop
+ _dataPtr = _drv->_trackPtr + val;
+ return true;
+ } else {
+ // stop parsing
+ if (!_drv->_fading)
+ setOutputLevel(0);
+ --_dataPtr;
+ _flags |= CHS_EOT;
+ _drv->_finishedSSGFlag |= _idFlag;
+ }
+ } else {
+ // end of sfx track - restore ssg music channel
+ _flags |= CHS_EOT;
+ _drv->_finishedSfxFlag |= _idFlag;
+ _drv->_ssgChannels[_chanNum]->restore();
+ }
+
+ return false;
+}
+
+void TownsPC98_SfxChannel::loadData(uint8 *data) {
+ _flags = CHS_ALLOFF;
+ _ticksLeft = 1;
+ _dataPtr = data;
+ _ssgTl = 0xff;
+ _algorithm = 0x80;
+
+ uint8 *tmp = _dataPtr;
+ for (bool loop = true; loop;) {
+ uint8 cmd = *tmp++;
+ if (cmd < 0xf0) {
+ tmp++;
+ } else if (cmd == 0xff) {
+ loop = false;
+ } else if (cmd == 0xf6) {
+ // reset repeat section countdown
+ tmp[0] = tmp[1];
+ tmp += 4;
+ } else {
+ tmp += _drv->_opnFxCmdLen[cmd - 240];
+ }
+ }
+}
+
+void TownsPC98_SfxChannel::reset() {
+ TownsPC98_MusicChannel::reset();
+
+ // Unlike the original we restore the default patch data. This fixes a bug
+ // where certain sound effects would bring each other out of tune (e.g. the
+ // dragon's fire in Darm's house in Kyra 1 would sound different each time
+ // you triggered another sfx by dropping an item etc.)
+ uint8 i = (13 + _regOffset) << 4;
+ const uint8 *src = &_drv->_drvTables[156];
+ _drv->_ssgPatches[i] = src[i];
+ _drv->_ssgPatches[i + 3] = src[i + 3];
+ _drv->_ssgPatches[i + 4] = src[i + 4];
+ _drv->_ssgPatches[i + 6] = src[i + 6];
+ _drv->_ssgPatches[i + 8] = src[i + 8];
+ _drv->_ssgPatches[i + 12] = src[i + 12];
+}
+
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+TownsPC98_MusicChannelPCM::TownsPC98_MusicChannelPCM(TownsPC98_AudioDriver *driver, uint8 regOffs,
+ uint8 flgs, uint8 num, uint8 key, uint8 prt, uint8 id) :
+ TownsPC98_MusicChannel(driver, regOffs, flgs, num, key, prt, id), controlEvents(0) {
+}
+
+void TownsPC98_MusicChannelPCM::init() {
+ _algorithm = 0x80;
+
+#define Control(x) &TownsPC98_MusicChannelPCM::control_##x
+ static const ControlEventFunc ctrlEventsPCM[] = {
+ Control(dummy),
+ Control(f1_prcStart),
+ Control(dummy),
+ Control(dummy),
+ Control(dummy),
+ Control(dummy),
+ Control(f6_repeatSection),
+ Control(dummy),
+ Control(dummy),
+ Control(dummy),
+ Control(fa_writeReg),
+ Control(dummy),
+ Control(dummy),
+ Control(dummy),
+ Control(dummy),
+ Control(ff_endOfTrack)
+ };
+#undef Control
+
+ controlEvents = ctrlEventsPCM;
+}
+
+void TownsPC98_MusicChannelPCM::loadData(uint8 *data) {
+ _flags = (_flags & ~CHS_EOT) | CHS_ALLOFF;
+ _ticksLeft = 1;
+ _dataPtr = data;
+ _totalLevel = 0x7F;
+}
+
+void TownsPC98_MusicChannelPCM::processEvents() {
+ if (_flags & CHS_EOT)
+ return;
+
+ if (--_ticksLeft)
+ return;
+
+ uint8 cmd = 0;
+ bool loop = true;
+
+ while (loop) {
+ cmd = *_dataPtr++;
+ if (cmd == 0x80) {
+ loop = false;
+ } else if (cmd < 0xf0) {
+ _drv->writeReg(_part, 0x10, cmd);
+ } else if (!processControlEvent(cmd)) {
+ return;
+ }
+ }
+
+ _ticksLeft = *_dataPtr++;
+}
+
+bool TownsPC98_MusicChannelPCM::processControlEvent(uint8 cmd) {
+ uint8 para = *_dataPtr++;
+ return (this->*controlEvents[cmd & 0x0f])(para);
+}
+
+bool TownsPC98_MusicChannelPCM::control_f1_prcStart(uint8 para) {
+ _totalLevel = para;
+ _drv->writeReg(_part, 0x11, para);
+ return true;
+}
+
+bool TownsPC98_MusicChannelPCM::control_ff_endOfTrack(uint8 para) {
+ uint16 val = READ_LE_UINT16(--_dataPtr);
+ if (val) {
+ // loop
+ _dataPtr = _drv->_trackPtr + val;
+ return true;
+ } else {
+ // quit parsing for active channel
+ --_dataPtr;
+ _flags |= CHS_EOT;
+ _drv->_finishedRhythmFlag |= _idFlag;
+ return false;
+ }
+}
+#endif // DISABLE_PC98_RHYTHM_CHANNEL
+
+TownsPC98_AudioDriver::TownsPC98_AudioDriver(Audio::Mixer *mixer, EmuType type) : TownsPC98_FmSynth(mixer, type),
+ _channels(0), _ssgChannels(0), _sfxChannels(0),
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ _rhythmChannel(0),
+#endif
+ _trackPtr(0), _sfxData(0), _sfxOffs(0), _ssgPatches(0),
+ _patches(0), _sfxBuffer(0), _musicBuffer(0),
+
+ _opnCarrier(_drvTables + 76), _opnFreqTable(_drvTables + 108), _opnFreqTableSSG(_drvTables + 132),
+ _opnFxCmdLen(_drvTables + 36), _opnLvlPresets(_drvTables + (type == kTypeTowns ? 52 : 84)),
+
+ _updateChannelsFlag(type == kType26 ? 0x07 : 0x3F), _finishedChannelsFlag(0),
+ _updateSSGFlag(type == kTypeTowns ? 0x00 : 0x07), _finishedSSGFlag(0),
+ _updateRhythmFlag(type == kType86 ?
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ 0x01
+#else
+ 0x00
+#endif
+ : 0x00), _finishedRhythmFlag(0),
+ _updateSfxFlag(0), _finishedSfxFlag(0),
+
+ _musicTickCounter(0),
+
+ _musicVolume(255), _sfxVolume(255),
+
+ _musicPlaying(false), _sfxPlaying(false), _fading(false), _looping(0), _ready(false) {
+
+ _sfxOffsets[0] = _sfxOffsets[1] = 0;
+}
+
+TownsPC98_AudioDriver::~TownsPC98_AudioDriver() {
+ _ready = false;
+ deinit();
+
+ if (_channels) {
+ for (int i = 0; i < _numChan; i++)
+ delete _channels[i];
+ delete[] _channels;
+ }
+
+ if (_ssgChannels) {
+ for (int i = 0; i < _numSSG; i++)
+ delete _ssgChannels[i];
+ delete[] _ssgChannels;
+ }
+
+ if (_sfxChannels) {
+ for (int i = 0; i < 2; i++)
+ delete _sfxChannels[i];
+ delete[] _sfxChannels;
+ }
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ delete _rhythmChannel;
+#endif
+
+ delete[] _ssgPatches;
+}
+
+bool TownsPC98_AudioDriver::init() {
+ if (_ready) {
+ reset();
+ return true;
+ }
+
+ TownsPC98_FmSynth::init();
+
+ setVolumeChannelMasks(-1, 0);
+
+ _channels = new TownsPC98_MusicChannel *[_numChan];
+ for (int i = 0; i < _numChan; i++) {
+ int ii = i * 6;
+ _channels[i] = new TownsPC98_MusicChannel(this, _drvTables[ii], _drvTables[ii + 1],
+ _drvTables[ii + 2], _drvTables[ii + 3], _drvTables[ii + 4], _drvTables[ii + 5]);
+ _channels[i]->init();
+ }
+
+ if (_numSSG) {
+ _ssgPatches = new uint8[256];
+ memcpy(_ssgPatches, _drvTables + 156, 256);
+
+ _ssgChannels = new TownsPC98_MusicChannelSSG *[_numSSG];
+ for (int i = 0; i < _numSSG; i++) {
+ int ii = i * 6;
+ _ssgChannels[i] = new TownsPC98_MusicChannelSSG(this, _drvTables[ii], _drvTables[ii + 1],
+ _drvTables[ii + 2], _drvTables[ii + 3], _drvTables[ii + 4], _drvTables[ii + 5]);
+ _ssgChannels[i]->init();
+ }
+
+ _sfxChannels = new TownsPC98_SfxChannel *[2];
+ for (int i = 0; i < 2; i++) {
+ int ii = (i + 1) * 6;
+ _sfxChannels[i] = new TownsPC98_SfxChannel(this, _drvTables[ii], _drvTables[ii + 1],
+ _drvTables[ii + 2], _drvTables[ii + 3], _drvTables[ii + 4], _drvTables[ii + 5]);
+ _sfxChannels[i]->init();
+ }
+ }
+
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ if (_hasPercussion) {
+ _rhythmChannel = new TownsPC98_MusicChannelPCM(this, 0, 0, 0, 0, 0, 1);
+ _rhythmChannel->init();
+ }
+#endif
+
+ setMusicTempo(84);
+ setSfxTempo(654);
+
+ _ready = true;
+
+ return true;
+}
+
+void TownsPC98_AudioDriver::loadMusicData(uint8 *data, bool loadPaused) {
+ if (!_ready) {
+ warning("TownsPC98_AudioDriver: Driver must be initialized before loading data");
+ return;
+ }
+
+ if (!data) {
+ warning("TownsPC98_AudioDriver: Invalid music file data");
+ return;
+ }
+
+ reset();
+
+ Common::StackLock lock(_mutex);
+ uint8 *src_a = _trackPtr = _musicBuffer = data;
+
+ for (uint8 i = 0; i < 3; i++) {
+ _channels[i]->loadData(data + READ_LE_UINT16(src_a));
+ src_a += 2;
+ }
+
+ for (int i = 0; i < _numSSG; i++) {
+ _ssgChannels[i]->loadData(data + READ_LE_UINT16(src_a));
+ src_a += 2;
+ }
+
+ for (uint8 i = 3; i < _numChan; i++) {
+ _channels[i]->loadData(data + READ_LE_UINT16(src_a));
+ src_a += 2;
+ }
+
+ if (_hasPercussion) {
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ _rhythmChannel->loadData(data + READ_LE_UINT16(src_a));
+#endif
+ src_a += 2;
+ }
+
+ toggleRegProtection(false);
+
+ _patches = src_a + 4;
+ _finishedChannelsFlag = _finishedSSGFlag = _finishedRhythmFlag = 0;
+
+ _musicPlaying = (loadPaused ? false : true);
+}
+
+void TownsPC98_AudioDriver::loadSoundEffectData(uint8 *data, uint8 trackNum) {
+ if (!_ready) {
+ warning("TownsPC98_AudioDriver: Driver must be initialized before loading data");
+ return;
+ }
+
+ if (!_sfxChannels) {
+ warning("TownsPC98_AudioDriver: Sound effects not supported by this configuration");
+ return;
+ }
+
+ if (!data) {
+ warning("TownsPC98_AudioDriver: Invalid sound effects file data");
+ return;
+ }
+
+ Common::StackLock lock(_mutex);
+ _sfxData = _sfxBuffer = data;
+ _sfxOffsets[0] = READ_LE_UINT16(&_sfxData[(trackNum << 2)]);
+ _sfxOffsets[1] = READ_LE_UINT16(&_sfxData[(trackNum << 2) + 2]);
+ _sfxPlaying = true;
+ _finishedSfxFlag = 0;
+}
+
+void TownsPC98_AudioDriver::reset() {
+ Common::StackLock lock(_mutex);
+
+ _musicPlaying = false;
+ _sfxPlaying = false;
+ _fading = false;
+ _looping = 0;
+ _musicTickCounter = 0;
+ _sfxData = 0;
+
+ TownsPC98_FmSynth::reset();
+
+ for (int i = 0; i < _numChan; i++)
+ _channels[i]->reset();
+ for (int i = 0; i < _numSSG; i++)
+ _ssgChannels[i]->reset();
+
+ if (_numSSG) {
+ for (int i = 0; i < 2; i++)
+ _sfxChannels[i]->reset();
+
+ memcpy(_ssgPatches, _drvTables + 156, 256);
+ }
+
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ if (_rhythmChannel)
+ _rhythmChannel->reset();
+#endif
+}
+
+void TownsPC98_AudioDriver::fadeStep() {
+ if (!_musicPlaying)
+ return;
+
+ Common::StackLock lock(_mutex);
+ for (int j = 0; j < _numChan; j++) {
+ if (_updateChannelsFlag & _channels[j]->_idFlag)
+ _channels[j]->fadeStep();
+ }
+
+ for (int j = 0; j < _numSSG; j++) {
+ if (_updateSSGFlag & _ssgChannels[j]->_idFlag)
+ _ssgChannels[j]->fadeStep();
+ }
+
+ if (!_fading) {
+ _fading = 19;
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ if (_hasPercussion) {
+ if (_updateRhythmFlag & _rhythmChannel->_idFlag)
+ _rhythmChannel->reset();
+ }
+#endif
+ } else {
+ if (!--_fading)
+ reset();
+ }
+}
+
+void TownsPC98_AudioDriver::timerCallbackB() {
+ _sfxOffs = 0;
+
+ if (_musicPlaying) {
+ _musicTickCounter++;
+
+ for (int i = 0; i < _numChan; i++) {
+ if (_updateChannelsFlag & _channels[i]->_idFlag) {
+ _channels[i]->processEvents();
+ _channels[i]->processFrequency();
+ }
+ }
+
+ for (int i = 0; i < _numSSG; i++) {
+ if (_updateSSGFlag & _ssgChannels[i]->_idFlag) {
+ _ssgChannels[i]->processEvents();
+ _ssgChannels[i]->processFrequency();
+ }
+ }
+
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ if (_hasPercussion)
+ if (_updateRhythmFlag & _rhythmChannel->_idFlag)
+ _rhythmChannel->processEvents();
+#endif
+ }
+
+ toggleRegProtection(false);
+
+ if (_finishedChannelsFlag == _updateChannelsFlag && _finishedSSGFlag == _updateSSGFlag && _finishedRhythmFlag == _updateRhythmFlag)
+ _musicPlaying = false;
+}
+
+void TownsPC98_AudioDriver::timerCallbackA() {
+ if (_sfxChannels && _sfxPlaying) {
+ if (_sfxData)
+ startSoundEffect();
+
+ _sfxOffs = 3;
+ _trackPtr = _sfxBuffer;
+
+ for (int i = 0; i < 2; i++) {
+ if (_updateSfxFlag & _sfxChannels[i]->_idFlag) {
+ _sfxChannels[i]->processEvents();
+ _sfxChannels[i]->processFrequency();
+ }
+ }
+
+ _trackPtr = _musicBuffer;
+ }
+
+ if (_updateSfxFlag && _finishedSfxFlag == _updateSfxFlag) {
+ _sfxPlaying = false;
+ _updateSfxFlag = 0;
+ setVolumeChannelMasks(-1, 0);
+ }
+}
+
+void TownsPC98_AudioDriver::setMusicTempo(uint8 tempo) {
+ writeReg(0, 0x26, tempo);
+ writeReg(0, 0x27, 0x33);
+}
+
+void TownsPC98_AudioDriver::setSfxTempo(uint16 tempo) {
+ writeReg(0, 0x24, tempo & 0xff);
+ writeReg(0, 0x25, tempo >> 8);
+ writeReg(0, 0x27, 0x33);
+}
+
+void TownsPC98_AudioDriver::startSoundEffect() {
+ int volFlags = 0;
+
+ for (int i = 0; i < 2; i++) {
+ if (_sfxOffsets[i]) {
+ _ssgChannels[i + 1]->protect();
+ _sfxChannels[i]->reset();
+ _sfxChannels[i]->loadData(_sfxData + _sfxOffsets[i]);
+ _updateSfxFlag |= _sfxChannels[i]->_idFlag;
+ volFlags |= (_sfxChannels[i]->_idFlag << _numChan);
+ } else {
+ _ssgChannels[i + 1]->restore();
+ _updateSfxFlag &= ~_sfxChannels[i]->_idFlag;
+ }
+ }
+
+ setVolumeChannelMasks(~volFlags, volFlags);
+ _sfxData = 0;
+}
+
+const uint8 TownsPC98_AudioDriver::_drvTables[] = {
+ // channel presets
+ 0x00, 0x80, 0x00, 0x00, 0x00, 0x01,
+ 0x01, 0x80, 0x01, 0x01, 0x00, 0x02,
+ 0x02, 0x80, 0x02, 0x02, 0x00, 0x04,
+ 0x00, 0x80, 0x03, 0x04, 0x01, 0x08,
+ 0x01, 0x80, 0x04, 0x05, 0x01, 0x10,
+ 0x02, 0x80, 0x05, 0x06, 0x01, 0x20,
+
+ // control event size
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x04, 0x05,
+ 0x02, 0x06, 0x02, 0x00, 0x00, 0x02, 0x00, 0x02,
+
+ // fmt level presets
+ 0x54, 0x50, 0x4C, 0x48, 0x44, 0x40, 0x3C, 0x38,
+ 0x34, 0x30, 0x2C, 0x28, 0x24, 0x20, 0x1C, 0x18,
+ 0x14, 0x10, 0x0C, 0x08, 0x04, 0x90, 0x90, 0x90,
+
+ // carriers
+ 0x08, 0x08, 0x08, 0x08, 0x0C, 0x0E, 0x0E, 0x0F,
+
+ // pc98 level presets
+ 0x40, 0x3B, 0x38, 0x34, 0x30, 0x2A, 0x28, 0x25,
+ 0x22, 0x20, 0x1D, 0x1A, 0x18, 0x15, 0x12, 0x10,
+ 0x0D, 0x0A, 0x08, 0x05, 0x02, 0x90, 0x90, 0x90,
+
+ // frequencies
+ 0x6A, 0x02, 0x8F, 0x02, 0xB6, 0x02, 0xDF, 0x02,
+ 0x0B, 0x03, 0x39, 0x03, 0x6A, 0x03, 0x9E, 0x03,
+ 0xD5, 0x03, 0x10, 0x04, 0x4E, 0x04, 0x8F, 0x04,
+
+ // ssg frequencies
+ 0xE8, 0x0E, 0x12, 0x0E, 0x48, 0x0D, 0x89, 0x0C,
+ 0xD5, 0x0B, 0x2B, 0x0B, 0x8A, 0x0A, 0xF3, 0x09,
+ 0x64, 0x09, 0xDD, 0x08, 0x5E, 0x08, 0xE6, 0x07,
+
+ // ssg patch data
+ 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x81, 0x00, 0x00,
+ 0x00, 0x81, 0x00, 0x00, 0xFF, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0xFF, 0x37, 0x81, 0xC8, 0x00,
+ 0x00, 0x81, 0x00, 0x00, 0x0A, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0xFF, 0x37, 0x81, 0xC8, 0x00,
+ 0x01, 0x81, 0x00, 0x00, 0x0A, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0x81, 0xBE, 0x00,
+ 0x00, 0x81, 0x00, 0x00, 0x0A, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0x81, 0xBE, 0x00,
+ 0x01, 0x81, 0x00, 0x00, 0x0A, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0x81, 0xBE, 0x00,
+ 0x04, 0x81, 0x00, 0x00, 0x0A, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0x81, 0xBE, 0x00,
+ 0x0A, 0x81, 0x00, 0x00, 0x0A, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0x81, 0x01, 0x00,
+ 0xFF, 0x81, 0x00, 0x00, 0xFF, 0x81, 0x00, 0x00,
+ 0xFF, 0x01, 0xFF, 0xFF, 0xFF, 0x81, 0xFF, 0x00,
+ 0x01, 0x81, 0x00, 0x00, 0x0A, 0x81, 0x00, 0x00,
+ 0x64, 0x01, 0xFF, 0x64, 0xFF, 0x81, 0xFF, 0x00,
+ 0x01, 0x81, 0x00, 0x00, 0x0A, 0x81, 0x00, 0x00,
+
+ 0x02, 0x01, 0xFF, 0x28, 0xFF, 0x81, 0xF0, 0x00,
+ 0x00, 0x81, 0x00, 0x00, 0x0A, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0x81, 0xC8, 0x00,
+ 0x01, 0x81, 0x00, 0x00, 0x28, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0x78, 0x5F, 0x81, 0xA0, 0x00,
+ 0x05, 0x81, 0x00, 0x00, 0x28, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0xFF, 0x00, 0x81, 0x00, 0x00,
+ 0x00, 0x81, 0x00, 0x00, 0xFF, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0xFF, 0x00, 0x81, 0x00, 0x00,
+ 0x00, 0x81, 0x00, 0x00, 0xFF, 0x81, 0x00, 0x00,
+ 0x00, 0x01, 0xFF, 0xFF, 0x00, 0x81, 0x00, 0x00,
+ 0x00, 0x81, 0x00, 0x00, 0xFF, 0x81, 0x00, 0x00
+};
+
+#undef EUPHONY_FADEOUT_TICKS
+
diff --git a/audio/softsynth/fmtowns_pc98/towns_pc98_driver.h b/audio/softsynth/fmtowns_pc98/towns_pc98_driver.h
new file mode 100644
index 0000000000..1227e2626a
--- /dev/null
+++ b/audio/softsynth/fmtowns_pc98/towns_pc98_driver.h
@@ -0,0 +1,135 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef TOWNS_PC98_AUDIODRIVER_H
+#define TOWNS_PC98_AUDIODRIVER_H
+
+#include "audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h"
+
+class TownsPC98_MusicChannel;
+class TownsPC98_MusicChannelSSG;
+class TownsPC98_SfxChannel;
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+class TownsPC98_MusicChannelPCM;
+#endif
+
+class TownsPC98_AudioDriver : public TownsPC98_FmSynth {
+friend class TownsPC98_MusicChannel;
+friend class TownsPC98_MusicChannelSSG;
+friend class TownsPC98_SfxChannel;
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+friend class TownsPC98_MusicChannelPCM;
+#endif
+public:
+ TownsPC98_AudioDriver(Audio::Mixer *mixer, EmuType type);
+ ~TownsPC98_AudioDriver();
+
+ void loadMusicData(uint8 *data, bool loadPaused = false);
+ void loadSoundEffectData(uint8 *data, uint8 trackNum);
+ bool init();
+ void reset();
+
+ void fadeStep();
+
+ void pause() {
+ _musicPlaying = false;
+ }
+ void cont() {
+ _musicPlaying = true;
+ }
+
+ void timerCallbackB();
+ void timerCallbackA();
+
+ bool looping() {
+ return _looping == _updateChannelsFlag ? true : false;
+ }
+ bool musicPlaying() {
+ return _musicPlaying;
+ }
+
+ void setMusicVolume(int volume) {
+ _musicVolume = volume;
+ setVolumeIntern(_musicVolume, _sfxVolume);
+ }
+ void setSoundEffectVolume(int volume) {
+ _sfxVolume = volume;
+ setVolumeIntern(_musicVolume, _sfxVolume);
+ }
+
+protected:
+ void startSoundEffect();
+
+ void setMusicTempo(uint8 tempo);
+ void setSfxTempo(uint16 tempo);
+
+ TownsPC98_MusicChannel **_channels;
+ TownsPC98_MusicChannelSSG **_ssgChannels;
+ TownsPC98_SfxChannel **_sfxChannels;
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ TownsPC98_MusicChannelPCM *_rhythmChannel;
+#endif
+
+ const uint8 *_opnCarrier;
+ const uint8 *_opnFreqTable;
+ const uint8 *_opnFreqTableSSG;
+ const uint8 *_opnFxCmdLen;
+ const uint8 *_opnLvlPresets;
+
+ uint8 *_musicBuffer;
+ uint8 *_sfxBuffer;
+ uint8 *_trackPtr;
+ uint8 *_patches;
+ uint8 *_ssgPatches;
+
+ uint8 _updateChannelsFlag;
+ uint8 _updateSSGFlag;
+ uint8 _updateRhythmFlag;
+ uint8 _updateSfxFlag;
+ uint8 _finishedChannelsFlag;
+ uint8 _finishedSSGFlag;
+ uint8 _finishedRhythmFlag;
+ uint8 _finishedSfxFlag;
+
+ bool _musicPlaying;
+ bool _sfxPlaying;
+ uint8 _fading;
+ uint8 _looping;
+ uint32 _musicTickCounter;
+
+ int _sfxOffs;
+ uint8 *_sfxData;
+ uint16 _sfxOffsets[2];
+
+ uint16 _musicVolume;
+ uint16 _sfxVolume;
+
+ static const uint8 _drvTables[];
+
+ bool _ready;
+};
+
+#endif
+
diff --git a/audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp b/audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp
new file mode 100644
index 0000000000..f84fd841a6
--- /dev/null
+++ b/audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp
@@ -0,0 +1,1548 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h"
+#include "common/endian.h"
+
+class TownsPC98_FmSynthOperator {
+public:
+ 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() {}
+
+ void keyOn();
+ void keyOff();
+ void frequency(int freq);
+ void updatePhaseIncrement();
+ void recalculateRates();
+ void generateOutput(int32 phasebuf, int32 *feedbuf, int32 &out);
+
+ void feedbackLevel(int32 level) {
+ _feedbackLevel = level ? level + 6 : 0;
+ }
+ void detune(int value) {
+ _detn = &_detnTbl[value << 5];
+ }
+ void multiple(uint32 value) {
+ _multiple = value ? (value << 1) : 1;
+ }
+ void attackRate(uint32 value) {
+ _specifiedAttackRate = value;
+ }
+ bool scaleRate(uint8 value);
+ void decayRate(uint32 value) {
+ _specifiedDecayRate = value;
+ recalculateRates();
+ }
+ void sustainRate(uint32 value) {
+ _specifiedSustainRate = value;
+ recalculateRates();
+ }
+ void sustainLevel(uint32 value) {
+ _sustainLevel = (value == 0x0f) ? 0x3e0 : value << 5;
+ }
+ void releaseRate(uint32 value) {
+ _specifiedReleaseRate = value;
+ recalculateRates();
+ }
+ void totalLevel(uint32 value) {
+ _totalLevel = value << 3;
+ }
+ void ampModulation(bool enable) {
+ _ampMod = enable;
+ }
+ void reset();
+
+protected:
+ EnvelopeState _state;
+ bool _playing;
+ uint32 _feedbackLevel;
+ uint32 _multiple;
+ uint32 _totalLevel;
+ uint8 _keyScale1;
+ uint8 _keyScale2;
+ uint32 _specifiedAttackRate;
+ uint32 _specifiedDecayRate;
+ uint32 _specifiedSustainRate;
+ uint32 _specifiedReleaseRate;
+ uint32 _tickCount;
+ uint32 _sustainLevel;
+
+ bool _ampMod;
+ uint32 _frequency;
+ uint8 _kcode;
+ uint32 _phase;
+ uint32 _phaseIncrement;
+ const int32 *_detn;
+
+ const uint8 *_rateTbl;
+ const uint8 *_rshiftTbl;
+ const uint8 *_adTbl;
+ const uint32 *_fTbl;
+ const uint32 *_sinTbl;
+ const int32 *_tLvlTbl;
+ const int32 *_detnTbl;
+
+ const uint32 _tickLength;
+ uint32 _timer;
+ const uint32 _rtt;
+ int32 _currentLevel;
+
+ struct EvpState {
+ uint8 rate;
+ uint8 shift;
+ } fs_a, fs_d, fs_s, fs_r;
+};
+
+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),
+ _keyScale2(0), _currentLevel(1023), _ampMod(false), _tickCount(0) {
+
+ fs_a.rate = fs_a.shift = fs_d.rate = fs_d.shift = fs_s.rate = fs_s.shift = fs_r.rate = fs_r.shift = 0;
+
+ reset();
+}
+
+void TownsPC98_FmSynthOperator::keyOn() {
+ if (_playing)
+ return;
+
+ _playing = true;
+ _state = kEnvAttacking;
+ _phase = 0;
+}
+
+void TownsPC98_FmSynthOperator::keyOff() {
+ if (!_playing)
+ return;
+
+ _playing = false;
+ if (_state != kEnvReady)
+ _state = kEnvReleasing;
+}
+
+void TownsPC98_FmSynthOperator::frequency(int freq) {
+ uint8 block = (freq >> 11);
+ uint16 pos = (freq & 0x7ff);
+ uint8 c = pos >> 7;
+
+ _kcode = (block << 2) | ((c < 7) ? 0 : ((c > 8) ? 3 : c - 6));
+ _frequency = _fTbl[pos << 1] >> (7 - block);
+}
+
+void TownsPC98_FmSynthOperator::updatePhaseIncrement() {
+ _phaseIncrement = ((_frequency + _detn[_kcode]) * _multiple) >> 1;
+ uint8 keyscale = _kcode >> _keyScale1;
+ if (_keyScale2 != keyscale) {
+ _keyScale2 = keyscale;
+ recalculateRates();
+ }
+}
+
+void TownsPC98_FmSynthOperator::recalculateRates() {
+ int k = _keyScale2;
+ int r = _specifiedAttackRate ? (_specifiedAttackRate << 1) + 0x20 : 0;
+ fs_a.rate = ((r + k) < 94) ? _rateTbl[r + k] : 136;
+ fs_a.shift = ((r + k) < 94) ? _rshiftTbl[r + k] : 0;
+
+ r = _specifiedDecayRate ? (_specifiedDecayRate << 1) + 0x20 : 0;
+ fs_d.rate = _rateTbl[r + k];
+ fs_d.shift = _rshiftTbl[r + k];
+
+ r = _specifiedSustainRate ? (_specifiedSustainRate << 1) + 0x20 : 0;
+ fs_s.rate = _rateTbl[r + k];
+ fs_s.shift = _rshiftTbl[r + k];
+
+ r = (_specifiedReleaseRate << 2) + 0x22;
+ fs_r.rate = _rateTbl[r + k];
+ fs_r.shift = _rshiftTbl[r + k];
+}
+
+void TownsPC98_FmSynthOperator::generateOutput(int32 phasebuf, int32 *feed, int32 &out) {
+ if (_state == kEnvReady)
+ return;
+
+ _timer += _tickLength;
+ while (_timer > _rtt) {
+ _timer -= _rtt;
+ ++_tickCount;
+
+ int32 levelIncrement = 0;
+ uint32 targetTime = 0;
+ int32 targetLevel = 0;
+ EnvelopeState nextState = kEnvReady;
+
+ switch (_state) {
+ case kEnvReady:
+ return;
+ case kEnvAttacking:
+ targetLevel = 0;
+ nextState = kEnvDecaying;
+ if ((_specifiedAttackRate << 1) + _keyScale2 < 64) {
+ targetTime = (1 << fs_a.shift) - 1;
+ levelIncrement = (~_currentLevel * _adTbl[fs_a.rate + ((_tickCount >> fs_a.shift) & 7)]) >> 4;
+ break;
+ } else {
+ _currentLevel = targetLevel;
+ _state = nextState;
+ }
+ // Fall through
+ case kEnvDecaying:
+ targetTime = (1 << fs_d.shift) - 1;
+ nextState = kEnvSustaining;
+ targetLevel = _sustainLevel;
+ levelIncrement = _adTbl[fs_d.rate + ((_tickCount >> fs_d.shift) & 7)];
+ break;
+ case kEnvSustaining:
+ targetTime = (1 << fs_s.shift) - 1;
+ nextState = kEnvSustaining;
+ targetLevel = 1023;
+ levelIncrement = _adTbl[fs_s.rate + ((_tickCount >> fs_s.shift) & 7)];
+ break;
+ case kEnvReleasing:
+ targetTime = (1 << fs_r.shift) - 1;
+ nextState = kEnvReady;
+ targetLevel = 1023;
+ levelIncrement = _adTbl[fs_r.rate + ((_tickCount >> fs_r.shift) & 7)];
+ break;
+ }
+
+ if (!(_tickCount & targetTime)) {
+ _currentLevel += levelIncrement;
+ if ((_state == kEnvAttacking && _currentLevel <= targetLevel) || (_state != kEnvAttacking && _currentLevel >= targetLevel)) {
+ if (_state != kEnvDecaying)
+ _currentLevel = targetLevel;
+ _state = nextState;
+ }
+ }
+ }
+
+ uint32 lvlout = _totalLevel + (uint32) _currentLevel;
+
+
+ int32 outp = 0;
+ int32 *i = &outp, *o = &outp;
+ int phaseShift = 0;
+
+ if (feed) {
+ o = &feed[0];
+ i = &feed[1];
+ phaseShift = _feedbackLevel ? ((*o + *i) << _feedbackLevel) : 0;
+ *o = *i;
+ } else {
+ phaseShift = phasebuf << 15;
+ }
+
+ if (lvlout < 832) {
+ uint32 index = (lvlout << 3) + _sinTbl[(((int32)((_phase & 0xffff0000)
+ + phaseShift)) >> 16) & 0x3ff];
+ *i = ((index < 6656) ? _tLvlTbl[index] : 0);
+ } else {
+ *i = 0;
+ }
+
+ _phase += _phaseIncrement;
+ out += *o;
+}
+
+void TownsPC98_FmSynthOperator::reset() {
+ keyOff();
+ _timer = 0;
+ _keyScale2 = 0;
+ _currentLevel = 1023;
+
+ frequency(0);
+ detune(0);
+ scaleRate(0);
+ multiple(0);
+ updatePhaseIncrement();
+ attackRate(0);
+ decayRate(0);
+ releaseRate(0);
+ sustainRate(0);
+ feedbackLevel(0);
+ totalLevel(127);
+ ampModulation(false);
+}
+
+bool TownsPC98_FmSynthOperator::scaleRate(uint8 value) {
+ value = 3 - value;
+ if (_keyScale1 != value) {
+ _keyScale1 = value;
+ return true;
+ }
+
+ int k = _keyScale2;
+ int r = _specifiedAttackRate ? (_specifiedAttackRate << 1) + 0x20 : 0;
+ fs_a.rate = ((r + k) < 94) ? _rateTbl[r + k] : 136;
+ fs_a.shift = ((r + k) < 94) ? _rshiftTbl[r + k] : 0;
+ return false;
+}
+
+class TownsPC98_FmSynthSquareSineSource {
+public:
+ TownsPC98_FmSynthSquareSineSource(const uint32 timerbase, const uint32 rtt);
+ ~TownsPC98_FmSynthSquareSineSource();
+
+ void init(const int *rsTable, const int *rseTable);
+ void reset();
+ void writeReg(uint8 address, uint8 value, bool force = false);
+
+ void nextTick(int32 *buffer, uint32 bufferSize);
+
+ void setVolumeIntern(int volA, int volB) {
+ _volumeA = volA;
+ _volumeB = volB;
+ }
+ void setVolumeChannelMasks(int channelMaskA, int channelMaskB) {
+ _volMaskA = channelMaskA;
+ _volMaskB = channelMaskB;
+ }
+
+ uint8 chanEnable() const {
+ return _chanEnable;
+ }
+private:
+ void updateRegs();
+
+ uint8 _updateRequestBuf[64];
+ int _updateRequest;
+ int _rand;
+
+ int8 _evpTimer;
+ uint32 _pReslt;
+ uint8 _attack;
+
+ bool _evpUpdate, _cont;
+
+ int _evpUpdateCnt;
+ uint8 _outN;
+ int _nTick;
+
+ int32 *_tlTable;
+ int32 *_tleTable;
+
+ const uint32 _tickLength;
+ uint32 _timer;
+ const uint32 _rtt;
+
+ struct Channel {
+ int tick;
+ uint8 smp;
+ uint8 out;
+
+ uint8 frqL;
+ uint8 frqH;
+ uint8 vol;
+ } _channels[3];
+
+ uint8 _noiseGenerator;
+ uint8 _chanEnable;
+
+ uint8 **_reg;
+
+ uint16 _volumeA;
+ uint16 _volumeB;
+ int _volMaskA;
+ int _volMaskB;
+
+ bool _ready;
+};
+
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+class TownsPC98_FmSynthPercussionSource {
+public:
+ TownsPC98_FmSynthPercussionSource(const uint32 timerbase, const uint32 rtt);
+ ~TownsPC98_FmSynthPercussionSource() {
+ delete[] _reg;
+ }
+
+ void init(const uint8 *instrData = 0);
+ void reset();
+ void writeReg(uint8 address, uint8 value);
+
+ void nextTick(int32 *buffer, uint32 bufferSize);
+
+ void setVolumeIntern(int volA, int volB) {
+ _volumeA = volA;
+ _volumeB = volB;
+ }
+ void setVolumeChannelMasks(int channelMaskA, int channelMaskB) {
+ _volMaskA = channelMaskA;
+ _volMaskB = channelMaskB;
+ }
+
+private:
+ struct RhtChannel {
+ const uint8 *data;
+
+ const uint8 *start;
+ const uint8 *end;
+ const uint8 *pos;
+ uint32 size;
+ bool active;
+ uint8 level;
+
+ int8 decState;
+ uint8 decStep;
+
+ int16 samples[2];
+ int out;
+
+ uint8 startPosH;
+ uint8 startPosL;
+ uint8 endPosH;
+ uint8 endPosL;
+ };
+
+ void recalcOuput(RhtChannel *ins);
+ void advanceInput(RhtChannel *ins);
+
+ RhtChannel _rhChan[6];
+
+ uint8 _totalLevel;
+
+ const uint32 _tickLength;
+ uint32 _timer;
+ const uint32 _rtt;
+
+ uint8 **_reg;
+
+ uint16 _volumeA;
+ uint16 _volumeB;
+ int _volMaskA;
+ int _volMaskB;
+
+ bool _ready;
+};
+#endif // DISABLE_PC98_RHYTHM_CHANNEL
+
+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) {
+
+ memset(_channels, 0, sizeof(_channels));
+ memset(_updateRequestBuf, 0, sizeof(_updateRequestBuf));
+ _reg = new uint8 *[11];
+
+ _reg[0] = &_channels[0].frqL;
+ _reg[1] = &_channels[0].frqH;
+ _reg[2] = &_channels[1].frqL;
+ _reg[3] = &_channels[1].frqH;
+ _reg[4] = &_channels[2].frqL;
+ _reg[5] = &_channels[2].frqH;
+ _reg[6] = &_noiseGenerator;
+ _reg[7] = &_chanEnable;
+ _reg[8] = &_channels[0].vol;
+ _reg[9] = &_channels[1].vol;
+ _reg[10] = &_channels[2].vol;
+
+ reset();
+}
+
+TownsPC98_FmSynthSquareSineSource::~TownsPC98_FmSynthSquareSineSource() {
+ delete[] _tlTable;
+ delete[] _tleTable;
+ delete[] _reg;
+}
+
+void TownsPC98_FmSynthSquareSineSource::init(const int *rsTable, const int *rseTable) {
+ if (_ready) {
+ reset();
+ return;
+ }
+
+ delete[] _tlTable;
+ delete[] _tleTable;
+ _tlTable = new int32[16];
+ _tleTable = new int32[32];
+ float a, b, d;
+ d = 801.0f;
+
+ for (int i = 0; i < 16; i++) {
+ b = 1.0f / rsTable[i];
+ a = 1.0f / d + b + 1.0f / 1000.0f;
+ float v = (b / a) * 32767.0f;
+ _tlTable[i] = (int32) v;
+
+ b = 1.0f / rseTable[i];
+ a = 1.0f / d + b + 1.0f / 1000.0f;
+ v = (b / a) * 32767.0f;
+ _tleTable[i] = (int32) v;
+ }
+
+ for (int i = 16; i < 32; i++) {
+ b = 1.0f / rseTable[i];
+ a = 1.0f / d + b + 1.0f / 1000.0f;
+ float v = (b / a) * 32767.0f;
+ _tleTable[i] = (int32) v;
+ }
+
+ _ready = true;
+}
+
+void TownsPC98_FmSynthSquareSineSource::reset() {
+ _rand = 1;
+ _outN = 1;
+ _updateRequest = -1;
+ _nTick = _evpUpdateCnt = 0;
+ _evpTimer = 0x1f;
+ _pReslt = 0x1f;
+ _attack = 0;
+ _cont = false;
+ _evpUpdate = true;
+ _timer = 0;
+
+ for (int i = 0; i < 3; i++) {
+ _channels[i].tick = 0;
+ _channels[i].smp = _channels[i].out = 0;
+ }
+
+ for (int i = 0; i < 14; i++)
+ writeReg(i, 0, true);
+
+ writeReg(7, 0xbf, true);
+}
+
+void TownsPC98_FmSynthSquareSineSource::writeReg(uint8 address, uint8 value, bool force) {
+ if (!_ready)
+ return;
+
+ if (address > 10 || *_reg[address] == value) {
+ if ((address == 11 || address == 12 || address == 13) && value)
+ warning("TownsPC98_FmSynthSquareSineSource: unsupported reg address: %d", address);
+ return;
+ }
+
+ if (!force) {
+ if (_updateRequest >= 63) {
+ warning("TownsPC98_FmSynthSquareSineSource: event buffer overflow");
+ _updateRequest = -1;
+ }
+ _updateRequestBuf[++_updateRequest] = value;
+ _updateRequestBuf[++_updateRequest] = address;
+ return;
+ }
+
+ *_reg[address] = value;
+}
+
+void TownsPC98_FmSynthSquareSineSource::nextTick(int32 *buffer, uint32 bufferSize) {
+ if (!_ready)
+ return;
+
+ for (uint32 i = 0; i < bufferSize; i++) {
+ _timer += _tickLength;
+ while (_timer > _rtt) {
+ _timer -= _rtt;
+
+ if (++_nTick >= (_noiseGenerator & 0x1f)) {
+ if ((_rand + 1) & 2)
+ _outN ^= 1;
+
+ _rand = (((_rand & 1) ^ ((_rand >> 3) & 1)) << 16) | (_rand >> 1);
+ _nTick = 0;
+ }
+
+ for (int ii = 0; ii < 3; ii++) {
+ if (++_channels[ii].tick >= (((_channels[ii].frqH & 0x0f) << 8) | _channels[ii].frqL)) {
+ _channels[ii].tick = 0;
+ _channels[ii].smp ^= 1;
+ }
+ _channels[ii].out = (_channels[ii].smp | ((_chanEnable >> ii) & 1)) & (_outN | ((_chanEnable >> (ii + 3)) & 1));
+ }
+
+ if (_evpUpdate) {
+ if (++_evpUpdateCnt >= 0) {
+ _evpUpdateCnt = 0;
+
+ if (--_evpTimer < 0) {
+ if (_cont) {
+ _evpTimer &= 0x1f;
+ } else {
+ _evpUpdate = false;
+ _evpTimer = 0;
+ }
+ }
+ }
+ }
+ _pReslt = _evpTimer ^ _attack;
+ updateRegs();
+ }
+
+ 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];
+
+ if ((1 << ii) & _volMaskA)
+ finOutTemp = (finOutTemp * _volumeA) / Audio::Mixer::kMaxMixerVolume;
+
+ if ((1 << ii) & _volMaskB)
+ finOutTemp = (finOutTemp * _volumeB) / Audio::Mixer::kMaxMixerVolume;
+
+ finOut += finOutTemp;
+ }
+
+ finOut /= 3;
+
+ buffer[i << 1] += finOut;
+ buffer[(i << 1) + 1] += finOut;
+ }
+}
+
+void TownsPC98_FmSynthSquareSineSource::updateRegs() {
+ for (int i = 0; i < _updateRequest;) {
+ uint8 b = _updateRequestBuf[i++];
+ uint8 a = _updateRequestBuf[i++];
+ writeReg(a, b, true);
+ }
+ _updateRequest = -1;
+}
+
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+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];
+
+ _reg[0] = _reg[1] = _reg[2] = _reg[3] = _reg[4] = _reg[5] = _reg[6] = _reg[7] = _reg[8] = _reg[9] = _reg[10] = _reg[11] = _reg[12] = _reg[13] = _reg[14] = _reg[15] = 0;
+ _reg[16] = &_rhChan[0].startPosL;
+ _reg[17] = &_rhChan[1].startPosL;
+ _reg[18] = &_rhChan[2].startPosL;
+ _reg[19] = &_rhChan[3].startPosL;
+ _reg[20] = &_rhChan[4].startPosL;
+ _reg[21] = &_rhChan[5].startPosL;
+ _reg[22] = &_rhChan[0].startPosH;
+ _reg[23] = &_rhChan[1].startPosH;
+ _reg[24] = &_rhChan[2].startPosH;
+ _reg[25] = &_rhChan[3].startPosH;
+ _reg[26] = &_rhChan[4].startPosH;
+ _reg[27] = &_rhChan[5].startPosH;
+ _reg[28] = &_rhChan[0].endPosL;
+ _reg[29] = &_rhChan[1].endPosL;
+ _reg[30] = &_rhChan[2].endPosL;
+ _reg[31] = &_rhChan[3].endPosL;
+ _reg[32] = &_rhChan[4].endPosL;
+ _reg[33] = &_rhChan[5].endPosL;
+ _reg[34] = &_rhChan[0].endPosH;
+ _reg[35] = &_rhChan[1].endPosH;
+ _reg[36] = &_rhChan[2].endPosH;
+ _reg[37] = &_rhChan[3].endPosH;
+ _reg[38] = &_rhChan[4].endPosH;
+ _reg[39] = &_rhChan[5].endPosH;
+}
+
+void TownsPC98_FmSynthPercussionSource::init(const uint8 *instrData) {
+ if (_ready) {
+ reset();
+ return;
+ }
+
+ const uint8 *start = instrData;
+ const uint8 *pos = start;
+
+ if (instrData) {
+ for (int i = 0; i < 6; i++) {
+ _rhChan[i].data = start + READ_BE_UINT16(pos);
+ pos += 2;
+ _rhChan[i].size = READ_BE_UINT16(pos);
+ pos += 2;
+ }
+ reset();
+ _ready = true;
+ } else {
+ memset(_rhChan, 0, sizeof(RhtChannel) * 6);
+ _ready = false;
+ }
+}
+
+void TownsPC98_FmSynthPercussionSource::reset() {
+ _timer = 0;
+ _totalLevel = 63;
+
+ for (int i = 0; i < 6; i++) {
+ RhtChannel *s = &_rhChan[i];
+ s->pos = s->start = s->data;
+ s->end = s->data + s->size;
+ s->active = false;
+ s->level = 0;
+ s->out = 0;
+ s->decStep = 1;
+ s->decState = 0;
+ s->samples[0] = s->samples[1] = 0;
+ s->startPosH = s->startPosL = s->endPosH = s->endPosL = 0;
+ }
+}
+
+void TownsPC98_FmSynthPercussionSource::writeReg(uint8 address, uint8 value) {
+ if (!_ready)
+ return;
+
+ uint8 h = address >> 4;
+ uint8 l = address & 15;
+
+ if (address > 15)
+ *_reg[address] = value;
+
+ if (address == 0) {
+ if (value & 0x80) {
+ //key off
+ for (int i = 0; i < 6; i++) {
+ if ((value >> i) & 1)
+ _rhChan[i].active = false;
+ }
+ } else {
+ //key on
+ for (int i = 0; i < 6; i++) {
+ if ((value >> i) & 1) {
+ RhtChannel *s = &_rhChan[i];
+ s->pos = s->start;
+ s->active = true;
+ s->out = 0;
+ s->samples[0] = s->samples[1] = 0;
+ s->decStep = 1;
+ s->decState = 0;
+ }
+ }
+ }
+ } else if (address == 1) {
+ // total level
+ _totalLevel = (value & 63) ^ 63;
+ for (int i = 0; i < 6; i++)
+ recalcOuput(&_rhChan[i]);
+ } else if (!h && l & 8) {
+ // instrument level
+ l &= 7;
+ _rhChan[l].level = (value & 0x1f) ^ 0x1f;
+ recalcOuput(&_rhChan[l]);
+ } else if (h & 3) {
+ l &= 7;
+ if (h == 1) {
+ // set start offset
+ _rhChan[l].start = _rhChan[l].data + ((_rhChan[l].startPosH << 8 | _rhChan[l].startPosL) << 8);
+ } else if (h == 2) {
+ // set end offset
+ _rhChan[l].end = _rhChan[l].data + ((_rhChan[l].endPosH << 8 | _rhChan[l].endPosL) << 8) + 255;
+ }
+ }
+}
+
+void TownsPC98_FmSynthPercussionSource::nextTick(int32 *buffer, uint32 bufferSize) {
+ if (!_ready)
+ return;
+
+ for (uint32 i = 0; i < bufferSize; i++) {
+ _timer += _tickLength;
+ while (_timer > _rtt) {
+ _timer -= _rtt;
+
+ for (int ii = 0; ii < 6; ii++) {
+ RhtChannel *s = &_rhChan[ii];
+ if (s->active) {
+ recalcOuput(s);
+ if (s->decStep) {
+ advanceInput(s);
+ if (s->pos == s->end)
+ s->active = false;
+ }
+ s->decStep ^= 1;
+ }
+ }
+ }
+
+ int32 finOut = 0;
+
+ for (int ii = 0; ii < 6; ii++) {
+ if (_rhChan[ii].active)
+ finOut += _rhChan[ii].out;
+ }
+
+ finOut <<= 1;
+
+ if (1 & _volMaskA)
+ finOut = (finOut * _volumeA) / Audio::Mixer::kMaxMixerVolume;
+
+ if (1 & _volMaskB)
+ finOut = (finOut * _volumeB) / Audio::Mixer::kMaxMixerVolume;
+
+ buffer[i << 1] += finOut;
+ buffer[(i << 1) + 1] += finOut;
+ }
+}
+
+void TownsPC98_FmSynthPercussionSource::recalcOuput(RhtChannel *ins) {
+ uint32 s = _totalLevel + ins->level;
+ uint32 x = s > 62 ? 0 : (1 + (s >> 3));
+ int32 y = s > 62 ? 0 : (15 - (s & 7));
+ ins->out = ((ins->samples[ins->decStep] * y) >> x) & ~3;
+}
+
+void TownsPC98_FmSynthPercussionSource::advanceInput(RhtChannel *ins) {
+ static const int8 adjustIndex[] = { -1, -1, -1, -1, 2, 5, 7, 9 };
+
+ static const int16 stepTable[] = {
+ 16, 17, 19, 21, 23, 25, 28, 31, 34, 37, 41, 45, 50, 55,
+ 60, 66, 73, 80, 88, 97, 107, 118, 130, 143, 157, 173, 190, 209, 230, 253, 279, 307, 337,
+ 371, 408, 449, 494, 544, 598, 658, 724, 796, 876, 963, 1060, 1166, 1282, 1411, 1552
+ };
+
+ uint8 cur = (int8)*ins->pos++;
+
+ for (int i = 0; i < 2; i++) {
+ int b = (2 * (cur & 7) + 1) * stepTable[ins->decState] / 8;
+ ins->samples[i] = CLIP<int16>(ins->samples[i ^ 1] + (cur & 8 ? b : -b), -2048, 2047);
+ ins->decState = CLIP<int8>(ins->decState + adjustIndex[cur & 7], 0, 48);
+ cur >>= 4;
+ }
+}
+#endif // DISABLE_PC98_RHYTHM_CHANNEL
+
+TownsPC98_FmSynth::TownsPC98_FmSynth(Audio::Mixer *mixer, EmuType type) :
+ _mixer(mixer),
+ _chanInternal(0), _ssg(0),
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ _prc(0),
+#endif
+ _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),
+ _rtt(type == kTypeTowns ? 0x514767 : 0x5B8D80), _baserate(55125.0f / (float)mixer->getOutputRate()),
+ _volMaskA(0), _volMaskB(0), _volumeA(255), _volumeB(255),
+ _regProtectionFlag(false), _ready(false) {
+
+ memset(&_timers[0], 0, sizeof(ChipTimer));
+ memset(&_timers[1], 0, sizeof(ChipTimer));
+
+ _timers[0].cb = _timers[1].cb = &TownsPC98_FmSynth::idleTimerCallback;
+ _timerbase = (uint32)(_baserate * 1000000.0f);
+}
+
+TownsPC98_FmSynth::~TownsPC98_FmSynth() {
+ if (_ready)
+ deinit();
+
+ delete _ssg;
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ delete _prc;
+#endif
+ delete[] _chanInternal;
+
+ delete[] _oprRates;
+ delete[] _oprRateshift;
+ delete[] _oprFrq;
+ delete[] _oprAttackDecay;
+ delete[] _oprSinTbl;
+ delete[] _oprLevelOut;
+ delete[] _oprDetune;
+}
+
+bool TownsPC98_FmSynth::init() {
+ if (_ready) {
+ reset();
+ return true;
+ }
+
+ generateTables();
+
+ _chanInternal = new ChanInternal[_numChan];
+ 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, _rtt, _oprRates, _oprRateshift, _oprAttackDecay, _oprFrq, _oprSinTbl, _oprLevelOut, _oprDetune);
+ }
+
+ if (_numSSG) {
+ _ssg = new TownsPC98_FmSynthSquareSineSource(_timerbase, _rtt);
+ _ssg->init(&_ssgTables[0], &_ssgTables[16]);
+ }
+
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ if (_hasPercussion) {
+ _prc = new TownsPC98_FmSynthPercussionSource(_timerbase, _rtt);
+ _prc->init(_percussionData);
+ }
+#endif
+
+ _timers[0].cb = &TownsPC98_FmSynth::timerCallbackA;
+ _timers[1].cb = &TownsPC98_FmSynth::timerCallbackB;
+
+ _mixer->playStream(Audio::Mixer::kPlainSoundType,
+ &_soundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
+
+ _ready = true;
+
+ return true;
+}
+
+void TownsPC98_FmSynth::reset() {
+ Common::StackLock lock(_mutex);
+ for (int i = 0; i < _numChan; i++) {
+ for (int ii = 0; ii < 4; ii++)
+ _chanInternal[i].opr[ii]->reset();
+ memset(_chanInternal[i].feedbuf, 0, 3);
+ _chanInternal[i].algorithm = 0;
+ _chanInternal[i].frqTemp = 0;
+ _chanInternal[i].enableLeft = _chanInternal[i].enableRight = true;
+ _chanInternal[i].updateEnvelopeParameters = false;
+ }
+
+ writeReg(0, 0x27, 0x33);
+
+ if (_ssg)
+ _ssg->reset();
+
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ if (_prc)
+ _prc->reset();
+#endif
+}
+
+void TownsPC98_FmSynth::writeReg(uint8 part, uint8 regAddress, uint8 value) {
+ if (_regProtectionFlag || !_ready)
+ return;
+
+ static const uint8 oprOrdr[] = { 0, 2, 1, 3 };
+
+ Common::StackLock lock(_mutex);
+
+ uint8 h = regAddress & 0xf0;
+ uint8 l = (regAddress & 0x0f);
+
+ ChanInternal *c = 0;
+ TownsPC98_FmSynthOperator **co = 0;
+ TownsPC98_FmSynthOperator *o = 0;
+
+ if (regAddress > 0x2F) {
+ c = &_chanInternal[(l & 3) + 3 * part];
+ co = c->opr;
+ o = c->opr[oprOrdr[(l - (l & 3)) >> 2]];
+ } else if (regAddress == 0x28) {
+ c = &_chanInternal[(value & 3) + ((value & 4) ? 3 : 0)];
+ co = c->opr;
+ }
+
+ switch (h) {
+ case 0x00:
+ // ssg
+ if (_ssg)
+ _ssg->writeReg(l, value);
+ break;
+ case 0x10:
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ // pcm rhythm channel
+ if (_prc)
+ _prc->writeReg(l, value);
+#endif
+ break;
+ case 0x20:
+ if (l == 8) {
+ // Key on/off
+ for (int i = 0; i < 4; i++) {
+ if ((value >> (4 + i)) & 1)
+ co[oprOrdr[i]]->keyOn();
+ else
+ co[oprOrdr[i]]->keyOff();
+ }
+ } else if (l == 4) {
+ // Timer A
+ _timers[0].value = (_timers[0].value & 3) | (value << 2);
+ } else if (l == 5) {
+ // Timer A
+ _timers[0].value = (_timers[0].value & 0x3fc) | (value & 3);
+ } else if (l == 6) {
+ // Timer B
+ _timers[1].value = value & 0xff;
+ } else if (l == 7) {
+ if (value & 1) {
+ float spc = (float)(0x400 - _timers[0].value) / _baserate;
+ if (spc < 1) {
+ warning("TownsPC98_FmSynth: Invalid Timer A setting: %d", _timers[0].value);
+ spc = 1;
+ }
+
+ _timers[0].smpPerCb = (int32) spc;
+ _timers[0].smpPerCbRem = (uint32)((spc - (float)_timers[0].smpPerCb) * 1000000.0f);
+ _timers[0].smpTillCb = _timers[0].smpPerCb;
+ _timers[0].smpTillCbRem = _timers[0].smpPerCbRem;
+ _timers[0].enabled = true;
+ } else {
+ _timers[0].enabled = false;
+ }
+
+ if (value & 2) {
+ float spc = (float)(0x100 - _timers[1].value) * 16.0f / _baserate;
+ if (spc < 1) {
+ warning("TownsPC98_FmSynth: Invalid Timer B setting: %d", _timers[1].value);
+ spc = 1;
+ }
+
+ _timers[1].smpPerCb = (int32) spc;
+ _timers[1].smpPerCbRem = (uint32)((spc - (float)_timers[1].smpPerCb) * 1000000.0f);
+ _timers[1].smpTillCb = _timers[1].smpPerCb;
+ _timers[1].smpTillCbRem = _timers[1].smpPerCbRem;
+ _timers[1].enabled = true;
+ } else {
+ _timers[1].enabled = false;
+ }
+
+ if (value & 0x10) {
+ _timers[0].smpTillCb = _timers[0].smpPerCb;
+ _timers[0].smpTillCbRem = _timers[0].smpTillCbRem;
+ }
+
+ if (value & 0x20) {
+ _timers[1].smpTillCb = _timers[1].smpPerCb;
+ _timers[1].smpTillCbRem = _timers[1].smpTillCbRem;
+ }
+ } else if (l == 2) {
+ // LFO
+ if (value & 8)
+ warning("TownsPC98_FmSynth: TRYING TO USE LFO (NOT SUPPORTED)");
+ } else if (l == 10 || l == 11) {
+ // DAC
+ if (l == 11 && (value & 0x80))
+ warning("TownsPC98_FmSynth: TRYING TO USE DAC (NOT SUPPORTED)");
+ }
+ break;
+
+ case 0x30:
+ // detune, multiple
+ o->detune((value >> 4) & 7);
+ o->multiple(value & 0x0f);
+ c->updateEnvelopeParameters = true;
+ break;
+
+ case 0x40:
+ // total level
+ o->totalLevel(value & 0x7f);
+ break;
+
+ case 0x50:
+ // rate scaling, attack rate
+ o->attackRate(value & 0x1f);
+ if (o->scaleRate(value >> 6))
+ c->updateEnvelopeParameters = true;
+ break;
+
+ case 0x60:
+ // first decay rate, amplitude modulation
+ o->decayRate(value & 0x1f);
+ o->ampModulation(value & 0x80 ? true : false);
+ break;
+
+ case 0x70:
+ // secondary decay rate
+ o->sustainRate(value & 0x1f);
+ break;
+
+ case 0x80:
+ // secondary amplitude, release rate;
+ o->sustainLevel(value >> 4);
+ o->releaseRate(value & 0x0f);
+ break;
+
+ case 0x90:
+ warning("TownsPC98_FmSynth: TRYING TO USE SSG ENVELOPE SHAPES (NOT SUPPORTED)");
+ break;
+
+ case 0xa0:
+ // frequency
+ l &= ~3;
+ if (l == 0) {
+ c->frqTemp = (c->frqTemp & 0xff00) | value;
+ c->updateEnvelopeParameters = true;
+ for (int i = 0; i < 4; i++)
+ co[i]->frequency(c->frqTemp);
+ } else if (l == 4) {
+ c->frqTemp = (c->frqTemp & 0xff) | (value << 8);
+ } else if (l == 8) {
+ // Ch 3/6 special mode frq
+ warning("TownsPC98_FmSynth: TRYING TO USE CH 3/6 SPECIAL MODE FREQ (NOT SUPPORTED)");
+ } else if (l == 12) {
+ // Ch 3/6 special mode frq
+ warning("TownsPC98_FmSynth: TRYING TO USE CH 3/6 SPECIAL MODE FREQ (NOT SUPPORTED)");
+ }
+ break;
+
+ case 0xb0:
+ l &= ~3;
+ if (l == 0) {
+ // feedback, _algorithm
+ co[0]->feedbackLevel((value >> 3) & 7);
+ c->algorithm = value & 7;
+ } else if (l == 4) {
+ // stereo, LFO sensitivity
+ c->enableLeft = value & 0x80 ? true : false;
+ c->enableRight = value & 0x40 ? true : false;
+ c->ampModSensitivity((value & 0x30) >> 4);
+ c->frqModSensitivity(value & 3);
+ }
+ break;
+
+ default:
+ warning("TownsPC98_FmSynth: UNKNOWN ADDRESS %d", regAddress);
+ }
+}
+
+int TownsPC98_FmSynth::readBuffer(int16 *buffer, const int numSamples) {
+ Common::StackLock lock(_mutex);
+
+ memset(buffer, 0, sizeof(int16) * numSamples);
+ int32 *tmp = new int32[numSamples];
+ int32 *tmpStart = tmp;
+ memset(tmp, 0, sizeof(int32) * numSamples);
+ int32 samplesLeft = numSamples >> 1;
+
+ while (_ready && samplesLeft) {
+ int32 render = samplesLeft;
+
+ for (int i = 0; i < 2; i++) {
+ if (_timers[i].enabled && _timers[i].cb) {
+ if (!_timers[i].smpTillCb) {
+ (this->*_timers[i].cb)();
+ _timers[i].smpTillCb = _timers[i].smpPerCb;
+
+ _timers[i].smpTillCbRem += _timers[i].smpPerCbRem;
+ if (_timers[i].smpTillCbRem >= _timerbase) {
+ _timers[i].smpTillCb++;
+ _timers[i].smpTillCbRem -= _timerbase;
+ }
+ }
+ render = MIN(render, _timers[i].smpTillCb);
+ }
+ }
+
+ samplesLeft -= render;
+
+ for (int i = 0; i < 2; i++) {
+ if (_timers[i].enabled && _timers[i].cb) {
+ _timers[i].smpTillCb -= render;
+ }
+ }
+
+ nextTick(tmp, render);
+
+ if (_ssg)
+ _ssg->nextTick(tmp, render);
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ if (_prc)
+ _prc->nextTick(tmp, render);
+#endif
+
+ nextTickEx(tmp, render);
+
+ for (int i = 0; i < render; ++i) {
+ int32 l = CLIP<int32>(tmp[i << 1], -32767, 32767);
+ buffer[i << 1] = (int16) l;
+ int32 r = CLIP<int32>(tmp[(i << 1) + 1], -32767, 32767);
+ buffer[(i << 1) + 1] = (int16) r;
+ }
+
+ buffer += (render << 1);
+ tmp += (render << 1);
+ }
+
+ delete[] tmpStart;
+ return numSamples;
+}
+
+void TownsPC98_FmSynth::deinit() {
+ _ready = false;
+ _mixer->stopHandle(_soundHandle);
+ _timers[0].cb = _timers[1].cb = &TownsPC98_FmSynth::idleTimerCallback;
+}
+
+uint8 TownsPC98_FmSynth::readSSGStatus() {
+ return _ssg->chanEnable();
+}
+
+void TownsPC98_FmSynth::setVolumeIntern(int volA, int volB) {
+ Common::StackLock lock(_mutex);
+ _volumeA = CLIP<uint16>(volA, 0, Audio::Mixer::kMaxMixerVolume);
+ _volumeB = CLIP<uint16>(volB, 0, Audio::Mixer::kMaxMixerVolume);
+ if (_ssg)
+ _ssg->setVolumeIntern(_volumeA, _volumeB);
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ if (_prc)
+ _prc->setVolumeIntern(_volumeA, _volumeB);
+#endif
+}
+
+void TownsPC98_FmSynth::setVolumeChannelMasks(int channelMaskA, int channelMaskB) {
+ Common::StackLock lock(_mutex);
+ _volMaskA = channelMaskA;
+ _volMaskB = channelMaskB;
+ if (_ssg)
+ _ssg->setVolumeChannelMasks(_volMaskA >> _numChan, _volMaskB >> _numChan);
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ if (_prc)
+ _prc->setVolumeChannelMasks(_volMaskA >> (_numChan + _numSSG), _volMaskB >> (_numChan + _numSSG));
+#endif
+}
+
+void TownsPC98_FmSynth::generateTables() {
+ delete[] _oprRates;
+ _oprRates = new uint8[128];
+
+ WRITE_BE_UINT32(_oprRates + 32, _numChan == 6 ? 0x90900000 : 0x00081018);
+ WRITE_BE_UINT32(_oprRates + 36, _numChan == 6 ? 0x00001010 : 0x00081018);
+ memset(_oprRates, 0x90, 32);
+ memset(_oprRates + 96, 0x80, 32);
+ uint8 *dst = (uint8 *)_oprRates + 40;
+ for (int i = 0; i < 40; i += 4)
+ WRITE_BE_UINT32(dst + i, 0x00081018);
+ for (int i = 0; i < 48; i += 4)
+ WRITE_BE_UINT32(dst + i, 0x00081018);
+ dst += 40;
+ for (uint8 i = 0; i < 16; i ++) {
+ uint8 v = (i < 12) ? i : 12;
+ *dst++ = ((4 + v) << 3);
+ }
+
+ delete[] _oprRateshift;
+ _oprRateshift = new uint8[128];
+ memset(_oprRateshift, 0, 128);
+ dst = (uint8 *)_oprRateshift + 32;
+ for (int i = 11; i; i--) {
+ memset(dst, i, 4);
+ dst += 4;
+ }
+
+ delete[] _oprFrq;
+ _oprFrq = new uint32[0x1000];
+ for (uint32 i = 0; i < 0x1000; i++)
+ _oprFrq[i] = (uint32)(_baserate * (float)(i << 11));
+
+ delete[] _oprAttackDecay;
+ _oprAttackDecay = new uint8[152];
+ memset(_oprAttackDecay, 0, 152);
+ for (int i = 0; i < 36; i++)
+ WRITE_BE_UINT32(_oprAttackDecay + (i << 2), _adtStat[i]);
+
+ delete[] _oprSinTbl;
+ _oprSinTbl = new uint32[1024];
+ for (int i = 0; i < 1024; i++) {
+ double val = sin((double)(((i << 1) + 1) * PI / 1024.0));
+ double d_dcb = log(1.0 / (double)ABS(val)) / log(2.0) * 256.0;
+ int32 i_dcb = (int32)(2.0 * d_dcb);
+ i_dcb = (i_dcb & 1) ? (i_dcb >> 1) + 1 : (i_dcb >> 1);
+ _oprSinTbl[i] = (i_dcb << 1) + (val >= 0.0 ? 0 : 1);
+ }
+
+ delete[] _oprLevelOut;
+ _oprLevelOut = new int32[0x1a00];
+ for (int i = 0; i < 256; i++) {
+ double val = floor(65536.0 / pow(2.0, 0.00390625 * (double)(1 + i)));
+ int32 val_int = ((int32) val) >> 4;
+ _oprLevelOut[i << 1] = (val_int & 1) ? ((val_int >> 1) + 1) << 2 : (val_int >> 1) << 2;
+ _oprLevelOut[(i << 1) + 1] = -_oprLevelOut[i << 1];
+ for (int ii = 1; ii < 13; ++ii) {
+ _oprLevelOut[(i << 1) + (ii << 9)] = _oprLevelOut[i << 1] >> ii;
+ _oprLevelOut[(i << 1) + (ii << 9) + 1] = -_oprLevelOut[(i << 1) + (ii << 9)];
+ }
+ }
+
+ uint8 *dtt = new uint8[128];
+ memset(dtt, 0, 36);
+ memset(dtt + 36, 1, 8);
+ memcpy(dtt + 44, _detSrc, 84);
+
+ delete[] _oprDetune;
+ _oprDetune = new int32[256];
+ for (int i = 0; i < 128; i++) {
+ _oprDetune[i] = (int32)((float)dtt[i] * _baserate * 64.0);
+ _oprDetune[i + 128] = -_oprDetune[i];
+ }
+
+ delete[] dtt;
+}
+
+void TownsPC98_FmSynth::nextTick(int32 *buffer, uint32 bufferSize) {
+ if (!_ready)
+ return;
+
+ for (int i = 0; i < _numChan; i++) {
+ TownsPC98_FmSynthOperator **o = _chanInternal[i].opr;
+
+ if (_chanInternal[i].updateEnvelopeParameters) {
+ _chanInternal[i].updateEnvelopeParameters = false;
+ for (int ii = 0; ii < 4 ; ii++)
+ o[ii]->updatePhaseIncrement();
+ }
+
+ for (uint32 ii = 0; ii < bufferSize ; ii++) {
+ int32 phbuf1, phbuf2, output;
+ phbuf1 = phbuf2 = output = 0;
+
+ int32 *leftSample = &buffer[ii * 2];
+ int32 *rightSample = &buffer[ii * 2 + 1];
+ int32 *del = &_chanInternal[i].feedbuf[2];
+ int32 *feed = _chanInternal[i].feedbuf;
+
+ switch (_chanInternal[i].algorithm) {
+ case 0:
+ o[0]->generateOutput(0, feed, phbuf1);
+ o[2]->generateOutput(*del, 0, phbuf2);
+ *del = 0;
+ o[1]->generateOutput(phbuf1, 0, *del);
+ o[3]->generateOutput(phbuf2, 0, output);
+ break;
+ case 1:
+ o[0]->generateOutput(0, feed, phbuf1);
+ o[2]->generateOutput(*del, 0, phbuf2);
+ o[1]->generateOutput(0, 0, phbuf1);
+ o[3]->generateOutput(phbuf2, 0, output);
+ *del = phbuf1;
+ break;
+ case 2:
+ o[0]->generateOutput(0, feed, phbuf2);
+ o[2]->generateOutput(*del, 0, phbuf2);
+ o[1]->generateOutput(0, 0, phbuf1);
+ o[3]->generateOutput(phbuf2, 0, output);
+ *del = phbuf1;
+ break;
+ case 3:
+ o[0]->generateOutput(0, feed, phbuf2);
+ o[2]->generateOutput(0, 0, *del);
+ o[1]->generateOutput(phbuf2, 0, phbuf1);
+ o[3]->generateOutput(*del, 0, output);
+ *del = phbuf1;
+ break;
+ case 4:
+ o[0]->generateOutput(0, feed, phbuf1);
+ o[2]->generateOutput(0, 0, phbuf2);
+ o[1]->generateOutput(phbuf1, 0, output);
+ o[3]->generateOutput(phbuf2, 0, output);
+ *del = 0;
+ break;
+ case 5:
+ o[0]->generateOutput(0, feed, phbuf1);
+ o[2]->generateOutput(*del, 0, output);
+ o[1]->generateOutput(phbuf1, 0, output);
+ o[3]->generateOutput(phbuf1, 0, output);
+ *del = phbuf1;
+ break;
+ case 6:
+ o[0]->generateOutput(0, feed, phbuf1);
+ o[2]->generateOutput(0, 0, output);
+ o[1]->generateOutput(phbuf1, 0, output);
+ o[3]->generateOutput(0, 0, output);
+ *del = 0;
+ break;
+ case 7:
+ o[0]->generateOutput(0, feed, output);
+ o[2]->generateOutput(0, 0, output);
+ o[1]->generateOutput(0, 0, output);
+ o[3]->generateOutput(0, 0, output);
+ *del = 0;
+ break;
+ };
+
+ int32 finOut = (output << 2) / ((_numChan + _numSSG - 3) / 3);
+
+ if ((1 << i) & _volMaskA)
+ finOut = (finOut * _volumeA) / Audio::Mixer::kMaxMixerVolume;
+
+ if ((1 << i) & _volMaskB)
+ finOut = (finOut * _volumeB) / Audio::Mixer::kMaxMixerVolume;
+
+ if (_chanInternal[i].enableLeft)
+ *leftSample += finOut;
+
+ if (_chanInternal[i].enableRight)
+ *rightSample += finOut;
+ }
+ }
+}
+
+const uint32 TownsPC98_FmSynth::_adtStat[] = {
+ 0x00010001, 0x00010001, 0x00010001, 0x01010001,
+ 0x00010101, 0x00010101, 0x00010101, 0x01010101,
+ 0x01010101, 0x01010101, 0x01010102, 0x01010102,
+ 0x01020102, 0x01020102, 0x01020202, 0x01020202,
+ 0x02020202, 0x02020202, 0x02020204, 0x02020204,
+ 0x02040204, 0x02040204, 0x02040404, 0x02040404,
+ 0x04040404, 0x04040404, 0x04040408, 0x04040408,
+ 0x04080408, 0x04080408, 0x04080808, 0x04080808,
+ 0x08080808, 0x08080808, 0x10101010, 0x10101010
+};
+
+const uint8 TownsPC98_FmSynth::_detSrc[] = {
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03,
+ 0x04, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07,
+ 0x08, 0x08, 0x08, 0x08, 0x01, 0x01, 0x01, 0x01,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03,
+ 0x04, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07,
+ 0x08, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
+ 0x10, 0x10, 0x10, 0x10, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x05,
+ 0x05, 0x06, 0x06, 0x07, 0x08, 0x08, 0x09, 0x0a,
+ 0x0b, 0x0c, 0x0d, 0x0e, 0x10, 0x11, 0x13, 0x14,
+ 0x16, 0x16, 0x16, 0x16
+};
+
+const int TownsPC98_FmSynth::_ssgTables[] = {
+ 0x01202A, 0x0092D2, 0x006B42, 0x0053CB, 0x003DF8, 0x003053, 0x0022DA, 0x001A8C,
+ 0x00129B, 0x000DC1, 0x000963, 0x0006C9, 0x000463, 0x0002FA, 0x0001B6, 0x0000FB,
+ 0x0193B6, 0x01202A, 0x00CDB1, 0x0092D2, 0x007D7D, 0x006B42, 0x005ECD, 0x0053CB,
+ 0x00480F, 0x003DF8, 0x0036B9, 0x003053, 0x00290A, 0x0022DA, 0x001E6B, 0x001A8C,
+ 0x001639, 0x00129B, 0x000FFF, 0x000DC1, 0x000B5D, 0x000963, 0x0007FB, 0x0006C9,
+ 0x000575, 0x000463, 0x00039D, 0x0002FA, 0x000242, 0x0001B6, 0x00014C, 0x0000FB
+};
+
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+const uint8 TownsPC98_FmSynth::_percussionData[] = {
+ 0, 24, 1, 192, 1, 216, 2, 128, 4, 88, 23, 64, 27, 152, 1, 128, 29, 24, 2, 128, 31, 152, 0, 128, 136, 128, 128, 128, 0, 136, 97, 103, 153, 139, 34, 163, 72, 195, 27, 69, 1, 154, 137, 35, 8, 51, 169, 122, 164, 75, 133, 203, 81, 146, 168, 121, 185, 68, 202, 8, 33, 237, 49, 177, 12, 133, 140, 17, 160, 42, 161, 10, 0, 137, 176, 57,
+ 233, 41, 160, 136, 235, 65, 177, 137, 128, 26, 164, 28, 3, 157, 51, 137, 1, 152, 113, 161, 40, 146, 115, 192, 56, 5, 169, 66, 161, 56, 1, 50, 145, 59, 39, 168, 97, 1, 160, 57, 7, 153, 50, 153, 32, 2, 25, 129, 32, 20, 186, 66, 129, 24, 153, 164, 142, 130, 169, 153, 26, 242, 138, 217, 9, 128, 204, 58, 209, 172, 40, 176, 141,
+ 128, 155, 144, 203, 139, 0, 235, 9, 177, 172, 0, 185, 168, 138, 25, 240, 59, 211, 139, 19, 176, 90, 160, 17, 26, 132, 41, 1, 5, 25, 3, 50, 144, 115, 147, 42, 39, 152, 41, 3, 56, 193, 105, 130, 155, 66, 200, 26, 19, 218, 154, 49, 201, 171, 138, 176, 251, 139, 185, 172, 136, 189, 139, 145, 207, 41, 160, 171, 152, 186, 139,
+ 186, 141, 128, 218, 171, 51, 217, 170, 56, 163, 12, 4, 155, 81, 147, 42, 37, 152, 32, 54, 136, 49, 50, 48, 37, 32, 69, 0, 17, 50, 50, 83, 2, 16, 68, 20, 8, 66, 4, 154, 84, 145, 24, 33, 24, 32, 17, 18, 145, 32, 22, 168, 49, 163, 1, 33, 50, 184, 115, 129, 25, 66, 1, 24, 67, 2, 80, 35, 40, 53, 2, 65, 51, 19, 67, 37, 0, 52, 35, 49, 37,
+ 34, 49, 37, 17, 52, 17, 35, 35, 35, 34, 32, 49, 33, 152, 34, 145, 24, 24, 128, 138, 128, 184, 9, 177, 171, 168, 185, 155, 152, 172, 155, 186, 172, 185, 172, 155, 186, 173, 153, 202, 187, 185, 202, 170, 171, 202, 186, 169, 170, 170, 171, 139, 154, 171, 153, 154, 169, 10, 168, 154, 128, 168, 154, 0, 153, 152, 136, 137,
+ 128, 153, 0, 152, 8, 128, 137, 0, 136, 136, 8, 9, 8, 9, 8, 24, 153, 128, 136, 153, 144, 0, 161, 138, 1, 169, 136, 128, 160, 168, 152, 153, 138, 137, 154, 153, 153, 154, 153, 170, 168, 170, 185, 168, 169, 154, 169, 171, 153, 169, 170, 153, 152, 154, 153, 137, 169, 137, 136, 144, 152, 144, 128, 128, 144, 129, 129, 0, 33,
+ 0, 17, 17, 17, 33, 33, 18, 18, 34, 34, 34, 34, 34, 34, 35, 19, 35, 19, 35, 35, 18, 19, 18, 35, 18, 33, 0, 8, 8, 8, 8, 8, 8, 8, 160, 205, 65, 176, 171, 203, 16, 240, 95, 242, 120, 145, 156, 66, 177, 26, 19, 153, 9, 35, 35, 239, 56, 132, 138, 154, 50, 145, 203, 25, 32, 20, 237, 24, 130, 138, 160, 27, 39, 173, 50, 203, 64, 145, 139,
+ 18, 168, 48, 146, 171, 65, 18, 176, 12, 52, 128, 25, 5, 57, 240, 104, 161, 25, 129, 18, 188, 114, 160, 26, 36, 200, 154, 18, 1, 128, 186, 73, 162, 173, 32, 184, 25, 144, 137, 234, 8, 154, 32, 160, 158, 18, 187, 81, 2, 235, 41, 36, 144, 154, 17, 67, 128, 33, 160, 114, 146, 26, 37, 33, 232, 41, 130, 41, 178, 29, 50, 251, 24,
+ 1, 153, 138, 160, 76, 179, 155, 11, 0, 38, 252, 41, 146, 41, 178, 27, 193, 43, 39, 170, 136, 17, 129, 8, 49, 233, 48, 129, 11, 6, 26, 130, 136, 128, 64, 1, 248, 105, 145, 9, 16, 144, 140, 5, 25, 168, 16, 186, 48, 5, 171, 217, 57, 134, 171, 8, 34, 188, 20, 203, 41, 6, 155, 161, 89, 164, 140, 2, 136, 51, 202, 41, 131, 56, 144,
+ 8, 97, 144, 146, 13, 69, 200, 42, 130, 25, 152, 57, 6, 220, 88, 177, 26, 148, 9, 168, 8, 67, 192, 156, 65, 145, 137, 10, 4, 154, 18, 157, 67, 160, 154, 1, 50, 188, 82, 170, 82, 185, 49, 220, 97, 144, 10, 8, 16, 145, 9, 136, 18, 202, 51, 184, 141, 114, 179, 139, 24, 19, 8, 250, 121, 160, 40, 160, 10, 18, 152, 168, 42, 35, 216,
+ 187, 120, 145, 18, 156, 203, 84, 144, 9, 144, 26, 66, 161, 13, 1, 128, 17, 154, 18, 142, 6, 154, 65, 192, 29, 35, 186, 64, 192, 24, 9, 146, 56, 185, 16, 248, 121, 176, 40, 129, 136, 171, 96, 147, 140, 50, 203, 64, 144, 41, 128, 161, 187, 71, 200, 24, 129, 24, 217, 56, 20, 220, 24, 4, 169, 9, 1, 33, 201, 26, 134, 141, 51, 201,
+ 25, 16, 33, 235, 32, 144, 33, 153, 169, 99, 160, 11, 3, 136, 58, 210, 33, 203, 48, 163, 17, 219, 128, 140, 38, 8, 184, 141, 50, 131, 159, 33, 128, 153, 25, 18, 153, 88, 242, 43, 3, 9, 136, 157, 53, 202, 40, 145, 25, 2, 204, 105, 146, 156, 66, 152, 8, 153, 33, 128, 129, 136, 153, 50, 186, 55, 188, 51, 249, 64, 178, 27, 128,
+ 48, 177, 156, 18, 35, 175, 51, 189, 32, 51, 234, 155, 69, 184, 26, 2, 152, 9, 17, 136, 144, 137, 50, 235, 115, 216, 24, 2, 170, 67, 187, 49, 129, 155, 4, 27, 129, 56, 232, 43, 39, 203, 40, 3, 154, 169, 66, 184, 114, 224, 25, 2, 9, 128, 11, 35, 155, 18, 11, 202, 84, 169, 26, 5, 154, 8, 160, 98, 185, 17, 187, 50, 23, 188, 33,
+ 1, 139, 4, 154, 90, 147, 12, 3, 43, 2, 170, 171, 103, 193, 28, 132, 137, 8, 129, 24, 170, 50, 201, 42, 35, 202, 169, 52, 201, 33, 218, 40, 39, 203, 0, 40, 147, 29, 163, 139, 83, 185, 1, 4, 159, 34, 160, 12, 21, 155, 40, 129, 137, 58, 151, 13, 2, 136, 144, 16, 153, 40, 17, 131, 207, 51, 144, 140, 4, 154, 17, 146, 170, 73, 163,
+ 44, 164, 12, 152, 37, 203, 17, 128, 144, 139, 23, 154, 128, 138, 38, 216, 41, 1, 0, 233, 73, 131, 171, 49, 136, 9, 164, 46, 3, 171, 32, 0, 145, 157, 38, 187, 64, 176, 58, 134, 155, 18, 136, 217, 64, 1, 200, 140, 38, 153, 170, 66, 161, 8, 169, 65, 185, 98, 200, 41, 3, 155, 144, 58, 23, 187, 1, 145, 40, 147, 189, 32, 68, 249,
+ 1, 112, 255, 199, 195, 19, 108, 76, 187, 247, 247, 183, 40, 168, 212, 245, 199, 227, 68, 45, 59, 10, 145, 177, 198, 24, 130, 76, 26, 193, 180, 129, 0, 162, 42, 160, 199, 162, 0, 16, 152, 137, 132, 168, 195, 130, 162, 181, 227, 163, 161, 179, 211, 180, 179, 164, 128, 162, 161, 194, 164, 179, 40, 153, 195, 213, 146, 178,
+ 147, 176, 50, 186, 161, 196, 151, 58, 16, 28, 162, 160, 131, 122, 155, 33, 241, 146, 128, 40, 26, 128, 154, 36, 170, 89, 59, 9, 24, 144, 77, 161, 8, 177, 112, 139, 33, 232, 148, 24, 41, 61, 9, 26, 162, 32, 30, 58, 153, 32, 59, 73, 59, 11, 79, 137, 57, 9, 49, 30, 24, 153, 131, 25, 106, 61, 153, 73, 28, 56, 27, 41, 137, 148,
+ 76, 43, 74, 58, 13, 161, 3, 171, 149, 32, 77, 10, 74, 42, 168, 16, 0, 123, 138, 129, 162, 178, 225, 50, 140, 161, 0, 147, 10, 129, 41, 244, 210, 165, 1, 152, 24, 162, 184, 166, 32, 144, 59, 216, 132, 177, 8, 145, 67, 143, 146, 160, 183, 162, 130, 24, 192, 32, 225, 146, 144, 33, 44, 73, 30, 129, 137, 32, 76, 152, 25, 161,
+ 2, 154, 32, 177, 132, 232, 2, 136, 210, 128, 149, 177, 32, 58, 27, 168, 225, 133, 8, 44, 107, 136, 25, 136, 17, 26, 58, 46, 16, 11, 145, 17, 144, 79, 136, 144, 136, 145, 152, 33, 31, 162, 130, 200, 82, 153, 74, 137, 147, 26, 0, 13, 133, 170, 149, 16, 192, 0, 178, 0, 128, 152, 182, 150, 9, 16, 9, 137, 33, 59, 63, 10, 152, 32,
+ 179, 192, 5, 154, 228, 182, 145, 130, 144, 42, 128, 242, 2, 136, 41, 168, 17, 76, 57, 31, 129, 136, 17, 47, 8, 41, 138, 32, 138, 123, 59, 58, 10, 136, 161, 4, 46, 25, 145, 136, 129, 25, 56, 28, 91, 41, 154, 108, 9, 16, 44, 24, 137, 48, 15, 0, 194, 162, 41, 194, 56, 241, 163, 146, 0, 139, 7, 186, 150, 129, 152, 1, 208, 33, 176,
+ 136, 164, 163, 185, 7, 138, 130, 242, 162, 163, 177, 88, 136, 184, 166, 146, 0, 25, 25, 177, 199, 146, 16, 136, 9, 145, 178, 178, 0, 147, 138, 229, 18, 152, 25, 144, 163, 246, 162, 129, 129, 184, 5, 152, 178, 145, 148, 136, 146, 95, 152, 128, 144, 33, 170, 81, 11, 40, 202, 131, 0, 243, 24, 1, 11, 148, 42, 24, 163, 140,
+ 120, 9, 76, 58, 153, 145, 56, 30, 72, 46, 42, 9, 8, 57, 91, 76, 59, 26, 160, 129, 41, 76, 10, 57, 192, 163, 129, 16, 225, 2, 27, 40, 200, 48, 91, 226, 40, 145, 43, 177, 177, 182, 196, 145, 33, 184, 165, 17, 192, 163, 194, 129, 211, 128, 162, 197, 129, 0, 136, 211, 146, 8, 162, 144, 0, 167, 160, 1, 176, 150, 137, 1, 24, 243,
+ 0, 129, 145, 25, 123, 169, 130, 168, 132, 41, 63, 42, 136, 137, 120, 26, 136, 8, 24, 89, 29, 58, 177, 193, 147, 1, 26, 162, 176, 167, 180, 8, 49, 28, 29, 178, 162, 88, 43, 42, 57, 43, 61, 8, 29, 129, 128, 128, 123, 137, 24, 243, 16, 136, 16, 46, 0, 169, 149, 128, 1, 60, 153, 72, 154, 90, 25, 25, 25, 8, 91, 73, 12, 16, 137, 144,
+ 72, 11, 8, 167, 128, 129, 9, 138, 166, 193, 147, 162, 123, 137, 145, 1, 162, 26, 1, 219, 147, 129, 210, 147, 243, 1, 243, 16, 144, 145, 160, 131, 200, 4, 59, 75, 57, 218, 2, 178, 77, 24, 60, 11, 147, 10, 50, 141, 64, 27, 185, 122, 161, 41, 128, 90, 136, 24, 46, 16, 139, 16, 24, 28, 124, 9, 41, 8, 26, 121, 10, 42, 40, 139, 129,
+ 0, 201, 135, 137, 56, 176, 176, 35, 215, 145, 1, 26, 145, 144, 160, 135, 138, 1, 177, 146, 146, 161, 65, 242, 136, 164, 177, 1, 1, 186, 151, 208, 148, 129, 10, 32, 241, 145, 163, 178, 17, 168, 136, 151, 168, 2, 148, 185, 133, 176, 130, 129, 154, 163, 215, 0, 146, 136, 40, 211, 161, 131, 171, 81, 144, 170, 21, 184, 56,
+ 195, 168, 133, 177, 91, 16, 187, 5, 145, 153, 66, 172, 18, 177, 42, 120, 138, 27, 134, 26, 106, 42, 138, 146, 184, 66, 75, 46, 41, 168, 0, 145, 57, 91, 75, 27, 24, 27, 48, 169, 40, 122, 9, 109, 10, 8, 177, 146, 16, 74, 30, 129, 160, 162, 146, 41, 124, 138, 24, 145, 152, 3, 1, 14, 3, 139, 1, 192, 161, 151, 177, 122, 8, 10, 0,
+ 176, 130, 129, 27, 88, 225, 0, 2, 154, 129, 129, 193, 49, 203, 81, 153, 226, 33, 0, 30, 0, 176, 179, 18, 9, 96, 156, 162, 148, 160, 129, 2, 29, 195, 128, 0, 56, 156, 20, 232, 129, 128, 32, 10, 144, 74, 183, 9, 145, 162, 1, 162, 138, 23, 171, 1, 164, 224, 34, 43, 43, 177, 200, 135, 161, 91, 57, 154, 177, 148, 145, 146, 58,
+ 108, 136, 170, 35, 208, 177, 34, 128, 44, 129, 155, 151, 243, 16, 1, 154, 72, 193, 144, 18, 11, 122, 160, 153, 5, 192, 24, 130, 184, 132, 226, 0, 128, 153, 131, 181, 136, 65, 154, 128, 17, 170, 39, 28, 59, 144, 168, 80, 25, 47, 24, 26, 144, 32, 47, 41, 153, 161, 148, 8, 92, 9, 9, 129, 144, 33, 26, 47, 24, 137, 108, 25, 10,
+ 17, 10, 73, 75, 47, 24, 184, 48, 8, 45, 57, 138, 136, 150, 10, 48, 139, 136, 35, 203, 121, 8, 27, 179, 161, 106, 0, 29, 16, 176, 179, 3, 185, 19, 227, 41, 145, 168, 61, 197, 177, 20, 10, 57, 42, 250, 147, 196, 16, 41, 138, 24, 195, 208, 135, 137, 0, 145, 160, 2, 210, 146, 195, 177, 132, 136, 153, 167, 210, 146, 162, 40, 8,
+ 138, 148, 227, 145, 17, 137, 40, 169, 179, 130, 242, 2, 196, 9, 146, 145, 169, 167, 146, 130, 137, 136, 51, 220, 17, 163, 28, 74, 10, 76, 40, 140, 5, 137, 43, 18, 12, 107, 137, 40, 8, 201, 50, 0, 143, 3, 138, 161, 134, 138, 104, 169, 16, 162, 160, 121, 25, 28, 129, 152, 32, 56, 14, 16, 184, 146, 3, 46, 25, 176, 129, 179,
+ 193, 17, 130, 202, 135, 8, 57, 25, 154, 148, 184, 120, 9, 153, 211, 165, 24, 128, 26, 17, 242, 161, 18, 185, 81, 42, 11, 17, 12, 25, 181, 137, 66, 42, 47, 41, 184, 166, 129, 24, 91, 27, 136, 196, 0, 0, 74, 28, 178, 161, 149, 160, 32, 8, 225, 32, 128, 59, 8, 169, 50, 139, 47, 72, 186, 16, 132, 9, 122, 9, 160, 146, 144, 89, 153,
+ 10, 149, 178, 0, 121, 11, 146, 152, 162, 48, 13, 123, 177, 24, 0, 106, 27, 9, 144, 132, 12, 17, 0, 168, 0, 181, 56, 169, 129, 242, 195, 129, 17, 154, 64, 161, 244, 16, 137, 24, 144, 144, 164, 129, 75, 42, 176, 149, 9, 179, 148, 203, 4, 166, 136, 163, 128, 227, 163, 8, 57, 11, 30, 165, 0, 74, 59, 62, 9, 208, 131, 144, 40, 76,
+ 26, 27, 196, 129, 1, 25, 43, 49, 174, 67, 153, 136, 106, 152, 41, 25, 28, 2, 43, 44, 104, 45, 59, 8, 43, 128, 144, 120, 25, 12, 17, 152, 9, 130, 155, 151, 145, 74, 40, 13, 48, 192, 58, 90, 43, 43, 177, 146, 49, 31, 75, 24, 217, 131, 0, 76, 26, 152, 149, 161, 24, 74, 154, 193, 166, 145, 32, 27, 161, 164, 176, 135, 152, 24, 193,
+ 162, 146, 164, 58, 227, 193, 148, 161, 128, 18, 234, 130, 180, 145, 2, 200, 1, 163, 186, 98, 184, 129, 149, 153, 49, 42, 186, 151, 242, 129, 1, 43, 8, 177, 212, 165, 8, 40, 137, 24, 8, 144, 90, 9, 25, 48, 44, 46, 24, 138, 40, 144, 108, 58, 27, 128, 181, 128, 80, 29, 42, 152, 162, 130, 25, 106, 136, 11, 148, 8, 144, 128, 136,
+ 112, 139, 80, 153, 24, 136, 129, 46, 0, 60, 129, 208, 1, 3, 13, 57, 168, 144, 1, 242, 17, 9, 26, 2, 185, 27, 55, 140, 73, 137, 179, 16, 192, 3, 145, 143, 33, 9, 171, 135, 160, 17, 137, 10, 151, 168, 3, 178, 44, 17, 208, 144, 167, 0, 40, 155, 16, 167, 152, 18, 144, 26, 160, 199, 1, 136, 91, 136, 160, 178, 150, 161, 1, 10, 181,
+ 145, 161, 1, 145, 161, 198, 2, 9, 90, 137, 177, 160, 150, 40, 29, 129, 144, 145, 162, 57, 77, 169, 16, 148, 42, 42, 40, 141, 34, 170, 121, 154, 210, 131, 162, 107, 8, 9, 160, 195, 40, 73, 139, 18, 224, 162, 34, 139, 0, 244, 178, 163, 24, 26, 146, 194, 166, 49, 29, 42, 137, 130, 192, 16, 93, 128, 154, 19, 59, 11, 122, 11,
+ 146, 177, 120, 42, 26, 43, 164, 152, 17, 60, 63, 137, 128, 48, 10, 58, 92, 9, 59, 91, 75, 139, 32, 25, 25, 61, 74, 28, 177, 40, 130, 74, 29, 73, 168, 130, 128, 48, 14, 8, 77, 9, 25, 26, 179, 211, 32, 78, 26, 41, 152, 161, 180, 89, 59, 9, 153, 166, 160, 3, 26, 57, 106, 154, 88, 184, 40, 1, 27, 58, 73, 143, 131, 169, 3, 161, 184,
+ 122, 152, 16, 181, 145, 129, 17, 15, 129, 193, 147, 145, 192, 33, 193, 162, 183, 163, 136, 178, 129, 178, 197, 2, 41, 216, 131, 168, 163, 181, 226, 163, 178, 1, 33, 187, 166, 212, 129, 1, 27, 24, 162, 184, 151, 8, 16, 160, 144, 181, 210, 72, 168, 128, 32, 42, 25, 40, 142, 5, 185, 88, 58, 11, 58, 177, 32, 129, 63, 42, 136,
+ 186, 53, 29, 75, 58, 144, 144, 129, 77, 128, 11, 144, 133, 29, 40, 152, 24, 161, 129, 80, 155, 60, 3, 12, 89, 8, 60, 152, 152, 49, 136, 47, 57, 224, 129, 16, 41, 90, 139, 162, 147, 170, 51, 169, 27, 17, 95, 26, 26, 160, 5, 139, 48, 76, 10, 228, 146, 1, 136, 44, 161, 147, 209, 130, 137, 73, 224, 1, 162, 195, 32, 210, 177, 180,
+ 179, 148, 145, 154, 132, 242, 146, 1, 152, 32, 192, 1, 144, 155, 7, 177, 168, 5, 138, 178, 148, 152, 150, 136, 89, 152, 9, 41, 196, 145, 40, 28, 16, 8, 10, 178, 167, 24, 1, 44, 123, 137, 136, 145, 194, 48, 27, 74, 26, 192, 179, 135, 136, 88, 27, 10, 177, 163, 164, 128, 73, 24, 31, 8, 0, 192, 149, 144, 129, 9, 106, 41, 200,
+ 161, 151, 41, 138, 0, 24, 226, 162, 49, 42, 11, 90, 136, 136, 152, 17, 145, 10, 63, 40, 11, 56, 245, 162, 16, 26, 73, 11, 144, 135, 137, 58, 106, 10, 25, 8, 57, 137, 28, 33, 129, 156, 113, 10, 10, 161, 18, 8, 153, 77, 3, 217, 0, 1, 242, 128, 193, 18, 128, 75, 60, 178, 154, 37, 45, 58, 29, 144, 1, 184, 66, 41, 29, 8, 145, 10,
+ 194, 33, 148, 170, 107, 89, 139, 128, 163, 178, 16, 63, 59, 176, 144, 151, 129, 42, 74, 10, 129, 192, 2, 128, 154, 97, 192, 0, 177, 128, 178, 183, 16, 16, 155, 149, 145, 184, 84, 138, 8, 192, 161, 20, 225, 0, 130, 138, 165, 0, 28, 148, 153, 18, 209, 128, 88, 153, 89, 152, 9, 17, 9, 29, 130, 43, 122, 153, 24, 32, 202, 49,
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+ 72, 136, 9, 129, 129, 61, 45, 59, 10, 161, 18, 122, 43, 59, 41, 169, 34, 155, 130, 131, 219, 120, 162, 27, 49, 208, 160, 131, 156, 66, 12, 145, 50, 240, 16, 136, 12, 162, 40, 129, 130, 15, 129, 162, 146, 180, 83, 139, 58, 217, 129, 177, 4, 0, 169, 197, 163, 144, 242, 131, 168, 179, 179, 17, 197, 145, 178, 164, 128, 160,
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+ 8, 73, 170, 2, 162, 25, 27, 147, 167, 131, 29, 1, 168, 200, 165, 16, 91, 137, 8, 162, 176, 35, 41, 31, 24, 169, 50, 168, 58, 123, 144, 48, 128, 13, 73, 169, 144, 16, 57, 123, 44, 200, 163, 56, 153, 80, 10, 176, 146, 57, 94, 8, 152, 131, 9, 168, 125, 26, 145, 177, 132, 137, 41, 60, 26, 144, 243, 32, 192, 34, 60, 43, 26, 16,
+ 249, 164, 16, 58, 61, 11, 130, 243, 146, 2, 42, 44, 27, 128, 165, 137, 49, 45, 28, 16, 43, 8, 211, 48, 28, 152, 105, 9, 9, 163, 161, 169, 35, 107, 42, 232, 164, 130, 168, 72, 42, 168, 210, 148, 144, 136, 129, 3, 217, 194, 50, 27, 192, 41, 210, 147, 40, 76, 226, 1, 161, 1, 155, 132, 145, 147, 171, 67, 173, 210, 132, 161, 106,
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+ 176, 8, 194, 24, 1, 176, 21, 154, 145, 80, 251, 130, 2, 30, 9, 8, 130, 145, 128, 98, 27, 26, 129, 136, 162, 15, 33, 168, 59, 65, 177, 77, 141, 1, 128, 168, 113, 10, 137, 178, 163, 146, 132, 74, 153, 224, 164, 33, 184, 19, 184, 228, 161, 17, 91, 152, 25, 146, 152, 44, 121, 9, 160, 145, 17, 25, 28, 93, 128, 152, 2, 25, 27, 161,
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+ 9, 29, 167, 2, 60, 42, 138, 136, 209, 130, 90, 42, 42, 176, 146, 178, 120, 28, 8, 160, 145, 16, 33, 31, 1, 8, 160, 129, 128, 242, 164, 32, 152, 177, 146, 213, 196, 128, 40, 26, 160, 163, 180, 146, 108, 60, 144, 144, 136, 147, 137, 40, 90, 161, 3, 17, 219, 243, 33, 184, 130, 60, 136, 243, 178, 179, 132, 26, 8, 168, 212, 147,
+ 16, 57, 42, 31, 145, 145, 160, 32, 43, 184, 66, 45, 180, 33, 140, 226, 1, 91, 152, 16, 144, 193, 162, 48, 77, 25, 137, 153, 17, 178, 78, 0, 0, 16, 14, 90, 152, 153, 19, 129, 13, 123, 137, 129, 160, 1, 73, 44, 9, 129, 0, 153, 120, 10, 9, 162, 195, 32, 139, 28, 151, 161, 2, 128, 26, 45, 193, 146, 48, 29, 146, 153, 194, 5, 59,
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+ 144, 1, 48, 13, 56, 154, 248, 1, 16, 9, 129, 8, 2, 178, 31, 130, 153, 162, 20, 15, 33, 170, 56, 40, 29, 28, 128, 152, 149, 144, 56, 120, 11, 162, 212, 129, 144, 145, 59, 180, 243, 147, 145, 144, 16, 152, 48, 241, 0, 161, 176, 1, 134, 10, 129, 200, 166, 144, 128, 121, 26, 24, 177, 178, 196, 48, 75, 138, 41, 180, 195, 26, 24,
+ 89, 138, 24, 33, 187, 41, 84, 155, 57, 79, 136, 160, 210, 130, 0, 58, 58, 168, 243, 132, 27, 41, 75, 138, 3, 8, 61, 8, 29, 145, 179, 76, 24, 28, 146, 208, 2, 49, 140, 75, 196, 144, 0, 40, 44, 179, 208, 3, 176, 33, 15, 177, 2, 160, 106, 8, 160, 164, 164, 8, 73, 27, 226, 179, 161, 1, 57, 1, 196, 211, 128, 40, 156, 145, 166, 178,
+ 131, 29, 128, 145, 162, 165, 40, 27, 216, 146, 135, 144, 40, 160, 194, 177, 145, 20, 139, 200, 151, 178, 17, 136, 40, 25, 205, 130, 17, 11, 17, 129, 156, 38, 26, 25, 137, 179, 163, 11, 79, 16, 12, 146, 147, 143, 89, 25, 136, 136, 25, 48, 26, 46, 129, 40, 29, 42, 29, 8, 145, 2, 56, 27, 62, 8, 25, 212, 161, 48, 43, 144, 129,
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+ 8, 210, 162, 1, 32, 78, 28, 152, 164, 144, 16, 48, 45, 137, 162, 147, 168, 152, 98, 27, 43, 33, 12, 160, 165, 129, 137, 63, 41, 153, 153, 151, 16, 91, 26, 8, 8, 9, 56, 10, 46, 24, 146, 57, 168, 160, 166, 241, 129, 32, 140, 16, 145, 179, 164, 137, 113, 138, 208, 131, 26, 25, 1, 42, 178, 196, 106, 24, 171, 18, 196, 8, 18, 29,
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+ 133, 162, 10, 196, 128, 3, 234, 40, 149, 152, 161, 1, 44, 129, 194, 4, 225, 16, 58, 168, 24, 194, 146, 146, 154, 49, 21, 218, 33, 152, 248, 129, 194, 147, 0, 28, 1, 195, 162, 20, 140, 42, 25, 160, 198, 1, 33, 136, 142, 3, 25, 24, 141, 16, 177, 208, 112, 0, 138, 41, 160, 130, 45, 60, 32, 170, 73, 24, 75, 59, 161, 176, 49, 159,
+ 97, 26, 168, 149, 145, 32, 28, 25, 184, 211, 129, 179, 74, 73, 8, 153, 136, 193, 151, 160, 32, 48, 143, 9, 147, 181, 145, 32, 60, 9, 187, 133, 166, 144, 32, 152, 25, 136, 161, 150, 168, 145, 81, 10, 42, 0, 169, 182, 148, 136, 58, 41, 187, 182, 211, 131, 16, 137, 25, 243, 144, 129, 2, 9, 8, 202, 7, 25, 185, 21, 144, 136, 153,
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+ 129, 128, 1, 88, 59, 75, 225, 136, 130, 168, 17, 144, 12, 151, 8, 25, 179, 8, 1, 240, 16, 8, 25, 145, 211, 41, 130, 138, 115, 169, 160, 163, 168, 84, 154, 74, 0, 170, 144, 211, 149, 2, 30, 128, 137, 9, 149, 1, 144, 58, 60, 57, 153, 178, 150, 17, 29, 27, 74, 25, 195, 152, 56, 15, 1, 25, 26, 152, 149, 80, 153, 57, 73, 140, 128,
+ 160, 144, 113, 27, 56, 28, 25, 4, 42, 44, 137, 60, 171, 130, 50, 240, 8, 5, 139, 145, 1, 105, 137, 200, 80, 137, 145, 146, 178, 179, 160, 46, 16, 240, 195, 131, 128, 144, 24, 164, 198, 128, 0, 136, 137, 131, 194, 165, 177, 2, 161, 147, 11, 144, 188, 181, 148, 144, 23, 0, 28, 224, 128, 131, 192, 32, 1, 224, 1, 168, 132, 145,
+ 9, 41, 208, 58, 137, 179, 151, 145, 16, 1, 30, 8, 145, 178, 1, 47, 32, 186, 72, 169, 146, 75, 8, 41, 48, 136, 89, 13, 48, 9, 10, 124, 26, 11, 42, 32, 129, 91, 77, 16, 12, 128, 42, 57, 138, 10, 60, 2, 63, 9, 0, 93, 128, 152, 90, 8, 10, 24, 40, 44, 144, 29, 49, 188, 48, 72, 25, 30, 177, 33, 128, 186, 120, 129, 186, 133, 152, 130,
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+ 73, 137, 57, 75, 0, 128, 12, 65, 137, 59, 75, 28, 144, 129, 122, 0, 58, 140, 160, 195, 145, 105, 56, 28, 153, 145, 164, 88, 8, 28, 25, 153, 9, 162, 113, 89, 153, 136, 33, 234, 147, 128, 41, 72, 11, 138, 151, 144, 145, 16, 43, 58, 248, 130, 178, 42, 4, 40, 10, 196, 154, 147, 216, 24, 7, 136, 10, 161, 148, 210, 161, 98, 138,
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+ 131, 144, 178, 65, 13, 48, 168, 162, 147, 155, 121, 9, 170, 5, 16, 153, 21, 29, 144, 161, 91, 0, 184, 57, 128, 137, 17, 159, 88, 178, 128, 105, 152, 9, 162, 33, 164, 141, 88, 178, 224, 1, 0, 16, 27, 185, 150, 161, 9, 4, 139, 16, 128, 160, 194, 144, 65, 180, 46, 40, 136, 27, 135, 160, 16, 44, 57, 145, 236, 2, 195, 40, 75, 177,
+ 2, 200, 179, 146, 186, 104, 50, 141, 24, 169, 165, 148, 11, 97, 10, 11, 130, 177, 49, 57, 78, 42, 154, 128, 165, 59, 33, 28, 30, 1, 136, 16, 192, 41, 128, 152, 123, 136, 24, 1, 169, 113, 10, 11, 49, 153, 14, 147, 19, 45, 43, 8, 176, 210, 148, 8, 16, 11, 96, 144, 192, 163, 150, 10, 128, 43, 26, 150, 178, 165, 24, 41, 171, 18,
+ 27, 215, 1, 8, 128, 136, 40, 35, 208, 11, 161, 193, 18, 73, 154, 133, 155, 165, 164, 10, 49, 154, 8, 199, 0, 2, 168, 64, 192, 0, 40, 162, 43, 202, 180, 150, 10, 106, 24, 185, 145, 131, 184, 113, 43, 24, 162, 187, 73, 146, 42, 81, 171, 121, 58, 155, 151, 16, 43, 32, 31, 9, 160, 146, 17, 136, 94, 10, 24, 145, 25, 9, 130, 59,
+ 65, 13, 91, 25, 169, 146, 176, 112, 42, 59, 16, 217, 130, 20, 13, 25, 9, 40, 161, 138, 68, 169, 154, 18, 62, 154, 180, 145, 135, 152, 56, 58, 155, 165, 211, 8, 40, 42, 10, 198, 1, 2, 184, 57, 184, 224, 51, 154, 27, 134, 168, 19, 202, 73, 75, 184, 35, 176, 75, 24, 25, 209, 51, 157, 19, 30, 184, 179, 3, 33, 148, 45, 232, 146,
+ 129, 168, 41, 32, 170, 149, 193, 35, 136, 16, 50, 191, 56, 146, 173, 149, 16, 24, 41, 30, 129, 168, 209, 3, 57, 31, 0, 16, 176, 147, 41, 152, 10, 17, 181, 14, 40, 144, 49, 170, 75, 97, 141, 25, 162, 146, 72, 177, 92, 137, 137, 19, 137, 153, 113, 154, 2, 41, 60, 129, 217, 2, 211, 152, 73, 42, 193, 197, 146, 147, 10, 59, 0,
+ 192, 196, 132, 41, 160, 25, 88, 169, 16, 40, 241, 1, 153, 81, 28, 10, 147, 161, 209, 88, 75, 9, 161, 162, 180, 16, 43, 57, 235, 33, 56, 156, 129, 144, 2, 135, 31, 128, 145, 136, 163, 56, 59, 154, 57, 167, 160, 105, 137, 0, 138, 163, 3, 41, 47, 185, 211, 131, 41, 41, 60, 139, 182, 146, 16, 16, 43, 242, 144, 145, 129, 16, 179,
+ 183, 1, 26, 9, 147, 240, 131, 160, 91, 74, 152, 184, 166, 178, 33, 140, 9, 4, 162, 233, 34, 136, 129, 144, 163, 60, 142, 144, 149, 128, 33, 73, 13, 161, 194, 131, 0, 26, 56, 142, 128, 163, 128, 1, 233, 56, 209, 41, 145, 194, 147, 179, 149, 64, 30, 8, 128, 216, 18, 24, 43, 43, 32, 153, 25, 74, 109, 137, 153, 48, 8, 137, 122,
+ 25, 144, 26, 43, 59, 30, 33, 41, 27, 24, 96, 153, 160, 50, 76, 27, 47, 152, 145, 163, 73, 40, 14, 152, 131, 176, 74, 90, 8, 8, 200, 67, 155, 154, 50, 49, 155, 28, 124, 177, 152, 1, 2, 17, 62, 138, 180, 176, 4, 25, 9, 177, 245, 162, 129, 40, 25, 176, 164, 130, 172, 4, 8, 181, 194, 49, 11, 168, 154, 165, 133, 152, 40, 136, 226,
+ 179, 19, 26, 185, 16, 167, 194, 16, 25, 57, 243, 136, 147, 1, 31, 25, 184, 132, 160, 33, 62, 138, 129, 130, 41, 121, 137, 153, 145, 26, 17, 107, 136, 179, 1, 61, 60, 26, 162, 168, 148, 64, 31, 25, 32, 168, 152, 64, 31, 137, 8, 129, 33, 62, 24, 137, 8, 16, 59, 47, 153, 33, 162, 91, 59, 41, 170, 145, 5, 43, 60, 41, 13, 178, 134,
+ 57, 153, 12, 194, 227, 8, 2, 128, 57, 208, 162, 19, 216, 32, 178, 25, 128, 160, 48, 194, 195, 37, 155, 10, 33, 251, 163, 146, 16, 136, 12, 166, 195, 160, 148, 129, 176, 147, 178, 150, 160, 72, 162, 162, 193, 162, 60, 200, 145, 5, 144, 25, 122, 216, 129, 161, 130, 0, 10, 73, 1, 241, 2, 9, 168, 33, 13, 161, 165, 24, 64, 203,
+ 50, 1, 14, 9, 9, 129, 161, 106, 33, 27, 13, 164, 128, 40, 41, 107, 169, 160, 33, 136, 60, 92, 168, 152, 2, 91, 57, 176, 129, 0, 144, 47, 136, 162, 164, 128, 80, 43, 154, 179, 213, 130, 74, 27, 0, 145, 145, 167, 58, 59, 160, 9, 26, 76, 8, 171, 5, 49, 28, 44, 169, 162, 183, 130, 72, 28, 144, 179, 228, 2, 25, 26, 129, 186, 151,
+ 1, 75, 128, 169, 17, 178, 15, 57, 170, 16, 166, 16, 57, 8, 139, 162, 181, 1, 8, 152, 164, 181, 41, 81, 43, 10, 242, 145, 57, 139, 89, 8, 193, 18, 154, 32, 176, 10, 165, 129, 137, 147, 177, 134, 0, 25, 25, 201, 147, 227, 129, 72, 59, 185, 167, 128, 129, 160, 91, 25, 176, 130, 147, 145, 9, 160, 5, 202, 17, 16, 186, 136, 37,
+ 177, 56, 76, 42, 169, 186, 48, 9, 145, 57, 24, 128, 41, 169, 134, 137, 145, 147, 28, 41, 168, 131, 228, 32, 27, 9, 60, 129, 178, 64, 60, 45, 25, 9, 24, 152, 49, 31, 136, 57, 42, 0, 25, 12, 181, 18, 153, 57, 96, 169, 177, 132, 153, 123, 9, 152, 129, 177, 17, 74, 43, 24, 169, 128, 121, 137, 25, 1, 139, 96, 42, 10, 146, 178, 18,
+ 44, 29, 1, 161, 164, 146, 31, 137, 146, 177, 19, 1, 10, 26, 209, 165, 146, 43, 40, 138, 240, 130, 18, 144, 25, 40, 212, 1, 58, 11, 152, 196, 147, 10, 74, 26, 152, 225, 130, 146, 58, 60, 210, 145, 16, 148, 16, 185, 192, 18, 44, 42, 57, 199, 162, 1, 9, 87, 47, 186, 215, 231, 197, 179, 180, 195, 212, 164, 32, 59, 92, 126, 62,
+ 41, 59, 76, 59, 60, 168, 179, 213, 197, 163, 72, 44, 25, 74, 126, 127, 127, 79, 26, 177, 148, 90, 27, 225, 247, 165, 0, 152, 147, 123, 138, 211, 164, 72, 126, 127, 46, 210, 196, 163, 228, 215, 64, 11, 210, 180, 1, 8, 58, 153, 1, 224, 149, 57, 76, 27, 24, 76, 42, 43, 136, 128, 243, 179, 130, 106, 60, 42, 42, 92, 28, 243, 231,
+ 147, 24, 57, 44, 58, 94, 45, 8, 57, 139, 214, 148, 40, 77, 26, 9, 16, 10, 144, 64, 62, 43, 25, 123, 59, 138, 162, 48, 63, 26, 41, 92, 60, 43, 176, 3, 59, 232, 214, 164, 16, 75, 75, 76, 60, 153, 179, 33, 62, 26, 136, 40, 75, 169, 197, 163, 129, 57, 60, 59, 75, 138, 145, 64, 63, 138, 179, 1, 42, 136, 90, 43, 176, 214, 180, 1, 25,
+ 152, 195, 129, 129, 106, 76, 60, 137, 145, 178, 2, 25, 10, 228, 130, 57, 59, 44, 41, 154, 165, 105, 76, 44, 144, 16, 76, 26, 41, 76, 26, 152, 1, 58, 26, 9, 193, 165, 16, 92, 26, 41, 77, 59, 76, 76, 60, 26, 136, 161, 130, 152, 195, 163, 211, 146, 0, 57, 11, 211, 130, 8, 25, 40, 62, 153, 162, 17, 109, 60, 153, 146, 40, 76, 60,
+ 26, 160, 179, 211, 163, 32, 60, 42, 153, 179, 194, 199, 130, 24, 58, 43, 58, 27, 128, 161, 195, 129, 226, 196, 147, 90, 59, 75, 44, 136, 128, 145, 160, 148, 123, 59, 42, 26, 41, 26, 57, 27, 192, 215, 147, 57, 59, 27, 161, 145, 213, 130, 106, 76, 43, 9, 144, 162, 129, 177, 181, 130, 136, 194, 146, 40, 10, 129, 25, 210, 146,
+ 178, 197, 196, 179, 196, 130, 8, 41, 9, 144, 178, 130, 209, 182, 17, 92, 43, 176, 147, 144, 212, 130, 136, 0, 177, 130, 73, 62, 10, 161, 130, 91, 75, 59, 43, 57, 46, 25, 41, 77, 10, 177, 164, 16, 26, 136, 210, 197, 179, 130, 128, 57, 77, 43, 25, 75, 10, 227, 179, 180, 179, 146, 128, 57, 185, 183, 163, 145, 0, 8, 8, 10, 119,
+ 114, 120, 16, 210, 244, 60, 28, 41, 25, 152, 149, 56, 161, 35, 44, 89, 27, 24, 136, 24, 164, 211, 17, 233, 176, 136, 192, 129, 179, 17, 17, 25, 0, 10, 46, 160, 132, 49, 66, 24, 132, 177, 147, 193, 56, 72, 26, 29, 232, 168, 176, 12, 137, 41, 139, 147, 9, 1, 41, 15, 91, 136, 35, 148, 21, 18, 48, 40, 1, 168, 167, 144, 0, 42, 172,
+ 177, 204, 193, 155, 232, 152, 152, 26, 152, 41, 146, 17, 6, 4, 65, 34, 35, 135, 4, 16, 32, 9, 24, 186, 176, 0, 250, 153, 204, 186, 173, 154, 153, 177, 3, 65, 41, 34, 145, 134, 35, 65, 98, 49, 50, 50, 2, 33, 169, 138, 155, 175, 170, 172, 204, 192, 138, 234, 136, 155, 136, 10, 32, 18, 5, 52, 48, 24, 162, 17, 67, 54, 66, 51, 34,
+ 131, 184, 174, 234, 153, 10, 9, 40, 0, 152, 251, 168, 142, 154, 9, 16, 33, 49, 33, 128, 154, 170, 156, 34, 54, 54, 33, 68, 0, 1, 136, 201, 137, 26, 88, 48, 35, 99, 8, 152, 189, 189, 187, 155, 171, 16, 24, 130, 145, 188, 175, 203, 144, 49, 115, 67, 67, 50, 19, 2, 1, 0, 0, 130, 131, 1, 136, 206, 216, 188, 203, 204, 187, 187,
+ 156, 153, 0, 0, 51, 17, 34, 24, 112, 20, 69, 67, 67, 34, 19, 0, 136, 169, 185, 137, 186, 232, 185, 219, 201, 203, 187, 173, 170, 154, 153, 129, 131, 6, 2, 19, 49, 49, 21, 65, 19, 53, 51, 83, 34, 16, 168, 201, 154, 172, 156, 138, 0, 1, 24, 201, 233, 186, 204, 186, 171, 137, 3, 37, 48, 24, 128, 201, 202, 202, 129, 17, 48, 21,
+ 22, 20, 19, 19, 32, 16, 2, 66, 52, 68, 4, 3, 1, 203, 235, 188, 189, 186, 171, 153, 137, 153, 170, 219, 170, 140, 9, 17, 53, 115, 50, 52, 67, 51, 51, 51, 17, 130, 0, 145, 154, 169, 188, 236, 187, 190, 203, 187, 172, 171, 138, 136, 17, 33, 18, 2, 34, 98, 98, 50, 50, 52, 66, 34, 35, 2, 19, 24, 169, 203, 203, 188, 219, 169, 154,
+ 9, 137, 171, 204, 188, 203, 184, 136, 34, 83, 50, 33, 153, 184, 170, 170, 152, 40, 57, 19, 36, 50, 50, 18, 35, 17, 2, 49, 49, 66, 66, 66, 34, 17, 168, 233, 202, 202, 170, 171, 170, 186, 219, 203, 188, 188, 154, 138, 25, 33, 68, 52, 68, 67, 67, 36, 51, 36, 18, 17, 17, 136, 8, 170, 176, 202, 188, 206, 202, 171, 172, 186, 169,
+ 153, 8, 25, 144, 128, 1, 34, 68, 52, 68, 51, 52, 34, 49, 18, 34, 2, 144, 136, 155, 140, 187, 186, 186, 154, 154, 185, 185, 153, 9, 9, 0, 24, 0, 128, 144, 168, 169, 170, 154, 154, 153, 9, 8, 16, 8, 0, 144, 19, 35, 68, 51, 52, 67, 51, 66, 34, 50, 33, 1, 144, 185, 186, 172, 204, 187, 188, 173, 172, 186, 172, 186, 154, 138, 41,
+ 33, 52, 53, 83, 50, 51, 52, 52, 37, 34, 34, 18, 16, 144, 152, 154, 187, 219, 203, 188, 173, 186, 186, 186, 170, 154, 153, 138, 144, 16, 17, 67, 82, 50, 51, 21, 34, 19, 33, 2, 18, 33, 1, 8, 153, 169, 153, 153, 136, 128, 0, 136, 154, 153, 153, 8, 8, 1, 16, 0, 169, 170, 187, 171, 171, 154, 153, 153, 152, 153, 153, 0, 16, 51, 83,
+ 66, 50, 67, 50, 51, 67, 51, 52, 35, 18, 136, 186, 219, 187, 189, 186, 171, 187, 173, 187, 188, 187, 203, 138, 9, 16, 33, 50, 52, 53, 67, 67, 147, 8, 128, 128, 128, 128, 128, 128, 128, 128, 0, 240, 255, 55, 232, 23, 220, 0, 148, 1, 9, 18, 148, 10, 189, 32, 163, 62, 160, 5, 137, 12, 149, 42, 153, 144, 34, 42, 8, 1, 138, 181,
+ 45, 136, 18, 144, 105, 138, 1, 160, 14, 128, 132, 145, 186, 37, 138, 41, 192, 48, 145, 46, 160, 33, 44, 24, 225, 16, 13, 132, 136, 137, 16, 148, 25, 170, 194, 82, 152, 136, 91, 24, 42, 169, 33, 233, 131, 179, 24, 185, 149, 16, 57, 172, 164, 18, 10, 211, 160, 147, 211, 33, 138, 243, 129, 16, 41, 193, 0, 43, 132, 155, 73,
+ 58, 145, 244, 145, 43, 35, 9, 171, 16, 110, 25, 8, 28, 74, 162, 128, 26, 27, 82, 45, 136, 153, 18, 8, 136, 8
+};
+#endif // DISABLE_PC98_RHYTHM_CHANNEL
+
+TownsPC98_FmSynth::ChanInternal::ChanInternal() {
+ memset(this, 0, sizeof(ChanInternal));
+}
+
+TownsPC98_FmSynth::ChanInternal::~ChanInternal() {
+ for (uint i = 0; i < ARRAYSIZE(opr); ++i)
+ delete opr[i];
+}
diff --git a/audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h b/audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h
new file mode 100644
index 0000000000..18cca56e29
--- /dev/null
+++ b/audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h
@@ -0,0 +1,196 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef TOWNS_PC98_FMSYNTH_H
+#define TOWNS_PC98_FMSYNTH_H
+
+#include "audio/audiostream.h"
+#include "audio/mixer.h"
+#include "common/list.h"
+
+#ifdef __DS__
+/* This disables the rhythm channel when emulating the PC-98 type 86 sound card.
+ * The only purpose is code size reduction for certain backends.
+ * At the moment the only games which make use of the rhythm channel are the
+ * (very rare) PC-98 versions of Legend of Kyrandia 2 and Lands of Lore. Music will
+ * still be okay, just missing a couple of rhythm instruments.
+ */
+#define DISABLE_PC98_RHYTHM_CHANNEL
+#endif
+
+class TownsPC98_FmSynthOperator;
+class TownsPC98_FmSynthSquareSineSource;
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+class TownsPC98_FmSynthPercussionSource;
+#endif
+
+enum EnvelopeState {
+ kEnvReady,
+ kEnvAttacking,
+ kEnvDecaying,
+ kEnvSustaining,
+ kEnvReleasing
+};
+
+class TownsPC98_FmSynth : public Audio::AudioStream {
+public:
+ enum EmuType {
+ kTypeTowns,
+ kType26,
+ kType86
+ };
+
+ TownsPC98_FmSynth(Audio::Mixer *mixer, EmuType type);
+ virtual ~TownsPC98_FmSynth();
+
+ virtual bool init();
+ virtual void reset();
+
+ void writeReg(uint8 part, uint8 regAddress, uint8 value);
+
+ // AudioStream interface
+ int readBuffer(int16 *buffer, const int numSamples);
+ bool isStereo() const {
+ return true;
+ }
+ bool endOfData() const {
+ return false;
+ }
+ int getRate() const {
+ return _mixer->getOutputRate();
+ }
+
+protected:
+ void deinit();
+
+ // Implement this in your inherited class if your driver generates
+ // additional output that has to be inserted into the buffer.
+ virtual void nextTickEx(int32 *buffer, uint32 bufferSize) {}
+
+ void toggleRegProtection(bool prot) {
+ _regProtectionFlag = prot;
+ }
+ uint8 readSSGStatus();
+
+ virtual void timerCallbackA() = 0;
+ virtual void timerCallbackB() = 0;
+
+ // The audio driver can store and apply two different audio settings
+ // (usually for music and sound effects). The channel mask will determine
+ // which channels get effected by the setting. The first bits will be
+ // the normal fm channels, the next bits the ssg channels and the final
+ // bit the rhythm channel.
+ void setVolumeIntern(int volA, int volB);
+ void setVolumeChannelMasks(int channelMaskA, int channelMaskB);
+
+ const int _numChan;
+ const int _numSSG;
+ const bool _hasPercussion;
+
+ Common::Mutex _mutex;
+private:
+ void generateTables();
+ void nextTick(int32 *buffer, uint32 bufferSize);
+ void generateOutput(int32 &leftSample, int32 &rightSample, int32 *del, int32 *feed);
+
+ struct ChanInternal {
+ ChanInternal();
+ ~ChanInternal();
+
+ void ampModSensitivity(uint32 value) {
+ ampModSvty = (1 << (3 - value)) - (((value >> 1) & 1) | (value & 1));
+ }
+ void frqModSensitivity(uint32 value) {
+ frqModSvty = value << 5;
+ }
+
+ uint16 frqTemp;
+ bool enableLeft;
+ bool enableRight;
+ bool updateEnvelopeParameters;
+ int32 feedbuf[3];
+ uint8 algorithm;
+
+ uint32 ampModSvty;
+ uint32 frqModSvty;
+
+ TownsPC98_FmSynthOperator *opr[4];
+ };
+
+ TownsPC98_FmSynthSquareSineSource *_ssg;
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ TownsPC98_FmSynthPercussionSource *_prc;
+#endif
+ ChanInternal *_chanInternal;
+
+ uint8 *_oprRates;
+ uint8 *_oprRateshift;
+ uint8 *_oprAttackDecay;
+ uint32 *_oprFrq;
+ uint32 *_oprSinTbl;
+ int32 *_oprLevelOut;
+ int32 *_oprDetune;
+
+ bool _regProtectionFlag;
+
+ typedef void (TownsPC98_FmSynth::*ChipTimerProc)();
+ void idleTimerCallback() {}
+
+ struct ChipTimer {
+ bool enabled;
+ uint16 value;
+
+ int32 smpTillCb;
+ uint32 smpTillCbRem;
+ int32 smpPerCb;
+ uint32 smpPerCbRem;
+
+ ChipTimerProc cb;
+ };
+
+ ChipTimer _timers[2];
+
+ int _volMaskA, _volMaskB;
+ uint16 _volumeA, _volumeB;
+
+ const float _baserate;
+ uint32 _timerbase;
+ uint32 _rtt;
+
+ Audio::Mixer *_mixer;
+ Audio::SoundHandle _soundHandle;
+
+#ifndef DISABLE_PC98_RHYTHM_CHANNEL
+ static const uint8 _percussionData[];
+#endif
+ static const uint32 _adtStat[];
+ static const uint8 _detSrc[];
+ static const int _ssgTables[];
+
+ bool _ready;
+};
+
+#endif
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 23:39:32 +0000