AUDIO: Rename sound/ dir to audio/

svn-id: r55850

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,
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+	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
+