diff options
Diffstat (limited to 'sound/softsynth/fmtowns_pc98')
| -rw-r--r-- | sound/softsynth/fmtowns_pc98/towns_audio.cpp | 1583 | ||||
| -rw-r--r-- | sound/softsynth/fmtowns_pc98/towns_audio.h | 179 | ||||
| -rw-r--r-- | sound/softsynth/fmtowns_pc98/towns_euphony.cpp | 905 | ||||
| -rw-r--r-- | sound/softsynth/fmtowns_pc98/towns_euphony.h | 187 | ||||
| -rw-r--r-- | sound/softsynth/fmtowns_pc98/towns_pc98_driver.cpp | 1428 | ||||
| -rw-r--r-- | sound/softsynth/fmtowns_pc98/towns_pc98_driver.h | 135 | ||||
| -rw-r--r-- | sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp | 1548 | ||||
| -rw-r--r-- | sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h | 196 |
8 files changed, 0 insertions, 6161 deletions
diff --git a/sound/softsynth/fmtowns_pc98/towns_audio.cpp b/sound/softsynth/fmtowns_pc98/towns_audio.cpp deleted file mode 100644 index 14bc840326..0000000000 --- a/sound/softsynth/fmtowns_pc98/towns_audio.cpp +++ /dev/null @@ -1,1583 +0,0 @@ -/* 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 "sound/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/sound/softsynth/fmtowns_pc98/towns_audio.h b/sound/softsynth/fmtowns_pc98/towns_audio.h deleted file mode 100644 index 95fb1ded59..0000000000 --- a/sound/softsynth/fmtowns_pc98/towns_audio.h +++ /dev/null @@ -1,179 +0,0 @@ -/* 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 "sound/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/sound/softsynth/fmtowns_pc98/towns_euphony.cpp b/sound/softsynth/fmtowns_pc98/towns_euphony.cpp deleted file mode 100644 index 3a691c407d..0000000000 --- a/sound/softsynth/fmtowns_pc98/towns_euphony.cpp +++ /dev/null @@ -1,905 +0,0 @@ -/* 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 "sound/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/sound/softsynth/fmtowns_pc98/towns_euphony.h b/sound/softsynth/fmtowns_pc98/towns_euphony.h deleted file mode 100644 index fa1f8ba496..0000000000 --- a/sound/softsynth/fmtowns_pc98/towns_euphony.h +++ /dev/null @@ -1,187 +0,0 @@ -/* 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 "sound/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/sound/softsynth/fmtowns_pc98/towns_pc98_driver.cpp b/sound/softsynth/fmtowns_pc98/towns_pc98_driver.cpp deleted file mode 100644 index 303f08e6b1..0000000000 --- a/sound/softsynth/fmtowns_pc98/towns_pc98_driver.cpp +++ /dev/null @@ -1,1428 +0,0 @@ -/* 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 "sound/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/sound/softsynth/fmtowns_pc98/towns_pc98_driver.h b/sound/softsynth/fmtowns_pc98/towns_pc98_driver.h deleted file mode 100644 index 00fcf7c5d5..0000000000 --- a/sound/softsynth/fmtowns_pc98/towns_pc98_driver.h +++ /dev/null @@ -1,135 +0,0 @@ -/* 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 "sound/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/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp b/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp deleted file mode 100644 index 62f7d39771..0000000000 --- a/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.cpp +++ /dev/null @@ -1,1548 +0,0 @@ -/* 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 "sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h" -#include "common/endian.h" - -class TownsPC98_FmSynthOperator { -public: - TownsPC98_FmSynthOperator(const uint32 timerbase, const uint32 rtt, const uint8 *rateTable, - const uint8 *shiftTable, const uint8 *attackDecayTable, const uint32 *frqTable, - const uint32 *sineTable, const int32 *tlevelOut, const int32 *detuneTable); - ~TownsPC98_FmSynthOperator() {} - - void keyOn(); - void keyOff(); - void frequency(int freq); - void updatePhaseIncrement(); - void recalculateRates(); - void generateOutput(int32 phasebuf, int32 *feedbuf, int32 &out); - - void feedbackLevel(int32 level) { - _feedbackLevel = level ? level + 6 : 0; - } - void detune(int value) { - _detn = &_detnTbl[value << 5]; - } - void multiple(uint32 value) { - _multiple = value ? (value << 1) : 1; - } - void attackRate(uint32 value) { - _specifiedAttackRate = value; - } - bool scaleRate(uint8 value); - void decayRate(uint32 value) { - _specifiedDecayRate = value; - recalculateRates(); - } - void sustainRate(uint32 value) { - _specifiedSustainRate = value; - recalculateRates(); - } - void sustainLevel(uint32 value) { - _sustainLevel = (value == 0x0f) ? 0x3e0 : value << 5; - } - void releaseRate(uint32 value) { - _specifiedReleaseRate = value; - recalculateRates(); - } - void totalLevel(uint32 value) { - _totalLevel = value << 3; - } - void ampModulation(bool enable) { - _ampMod = enable; - } - void reset(); - -protected: - EnvelopeState _state; - bool _playing; - uint32 _feedbackLevel; - uint32 _multiple; - uint32 _totalLevel; - uint8 _keyScale1; - uint8 _keyScale2; - uint32 _specifiedAttackRate; - uint32 _specifiedDecayRate; - uint32 _specifiedSustainRate; - uint32 _specifiedReleaseRate; - uint32 _tickCount; - uint32 _sustainLevel; - - bool _ampMod; - uint32 _frequency; - uint8 _kcode; - uint32 _phase; - uint32 _phaseIncrement; - const int32 *_detn; - - const uint8 *_rateTbl; - const uint8 *_rshiftTbl; - const uint8 *_adTbl; - const uint32 *_fTbl; - const uint32 *_sinTbl; - const int32 *_tLvlTbl; - const int32 *_detnTbl; - - const uint32 _tickLength; - uint32 _timer; - const uint32 _rtt; - int32 _currentLevel; - - struct EvpState { - uint8 rate; - uint8 shift; - } fs_a, fs_d, fs_s, fs_r; -}; - -TownsPC98_FmSynthOperator::TownsPC98_FmSynthOperator(const uint32 timerbase, const uint32 rtt, - const uint8 *rateTable, const uint8 *shiftTable, const uint8 *attackDecayTable, - const uint32 *frqTable, const uint32 *sineTable, const int32 *tlevelOut, const int32 *detuneTable) : - _rtt(rtt), _rateTbl(rateTable), _rshiftTbl(shiftTable), _adTbl(attackDecayTable), _fTbl(frqTable), - _sinTbl(sineTable), _tLvlTbl(tlevelOut), _detnTbl(detuneTable), _tickLength(timerbase * 2), - _specifiedAttackRate(0), _specifiedDecayRate(0), _specifiedReleaseRate(0), _specifiedSustainRate(0), - _phase(0), _state(kEnvReady), _playing(false), _timer(0), _keyScale1(0), - _keyScale2(0), _currentLevel(1023), _ampMod(false), _tickCount(0) { - - fs_a.rate = fs_a.shift = fs_d.rate = fs_d.shift = fs_s.rate = fs_s.shift = fs_r.rate = fs_r.shift = 0; - - reset(); -} - -void TownsPC98_FmSynthOperator::keyOn() { - if (_playing) - return; - - _playing = true; - _state = kEnvAttacking; - _phase = 0; -} - -void TownsPC98_FmSynthOperator::keyOff() { - if (!_playing) - return; - - _playing = false; - if (_state != kEnvReady) - _state = kEnvReleasing; -} - -void TownsPC98_FmSynthOperator::frequency(int freq) { - uint8 block = (freq >> 11); - uint16 pos = (freq & 0x7ff); - uint8 c = pos >> 7; - - _kcode = (block << 2) | ((c < 7) ? 0 : ((c > 8) ? 3 : c - 6)); - _frequency = _fTbl[pos << 1] >> (7 - block); -} - -void TownsPC98_FmSynthOperator::updatePhaseIncrement() { - _phaseIncrement = ((_frequency + _detn[_kcode]) * _multiple) >> 1; - uint8 keyscale = _kcode >> _keyScale1; - if (_keyScale2 != keyscale) { - _keyScale2 = keyscale; - recalculateRates(); - } -} - -void TownsPC98_FmSynthOperator::recalculateRates() { - int k = _keyScale2; - int r = _specifiedAttackRate ? (_specifiedAttackRate << 1) + 0x20 : 0; - fs_a.rate = ((r + k) < 94) ? _rateTbl[r + k] : 136; - fs_a.shift = ((r + k) < 94) ? _rshiftTbl[r + k] : 0; - - r = _specifiedDecayRate ? (_specifiedDecayRate << 1) + 0x20 : 0; - fs_d.rate = _rateTbl[r + k]; - fs_d.shift = _rshiftTbl[r + k]; - - r = _specifiedSustainRate ? (_specifiedSustainRate << 1) + 0x20 : 0; - fs_s.rate = _rateTbl[r + k]; - fs_s.shift = _rshiftTbl[r + k]; - - r = (_specifiedReleaseRate << 2) + 0x22; - fs_r.rate = _rateTbl[r + k]; - fs_r.shift = _rshiftTbl[r + k]; -} - -void TownsPC98_FmSynthOperator::generateOutput(int32 phasebuf, int32 *feed, int32 &out) { - if (_state == kEnvReady) - return; - - _timer += _tickLength; - while (_timer > _rtt) { - _timer -= _rtt; - ++_tickCount; - - int32 levelIncrement = 0; - uint32 targetTime = 0; - int32 targetLevel = 0; - EnvelopeState nextState = kEnvReady; - - switch (_state) { - case kEnvReady: - return; - case kEnvAttacking: - targetLevel = 0; - nextState = kEnvDecaying; - if ((_specifiedAttackRate << 1) + _keyScale2 < 64) { - targetTime = (1 << fs_a.shift) - 1; - levelIncrement = (~_currentLevel * _adTbl[fs_a.rate + ((_tickCount >> fs_a.shift) & 7)]) >> 4; - break; - } else { - _currentLevel = targetLevel; - _state = nextState; - } - // Fall through - case kEnvDecaying: - targetTime = (1 << fs_d.shift) - 1; - nextState = kEnvSustaining; - targetLevel = _sustainLevel; - levelIncrement = _adTbl[fs_d.rate + ((_tickCount >> fs_d.shift) & 7)]; - break; - case kEnvSustaining: - targetTime = (1 << fs_s.shift) - 1; - nextState = kEnvSustaining; - targetLevel = 1023; - levelIncrement = _adTbl[fs_s.rate + ((_tickCount >> fs_s.shift) & 7)]; - break; - case kEnvReleasing: - targetTime = (1 << fs_r.shift) - 1; - nextState = kEnvReady; - targetLevel = 1023; - levelIncrement = _adTbl[fs_r.rate + ((_tickCount >> fs_r.shift) & 7)]; - break; - } - - if (!(_tickCount & targetTime)) { - _currentLevel += levelIncrement; - if ((_state == kEnvAttacking && _currentLevel <= targetLevel) || (_state != kEnvAttacking && _currentLevel >= targetLevel)) { - if (_state != kEnvDecaying) - _currentLevel = targetLevel; - _state = nextState; - } - } - } - - uint32 lvlout = _totalLevel + (uint32) _currentLevel; - - - int32 outp = 0; - int32 *i = &outp, *o = &outp; - int phaseShift = 0; - - if (feed) { - o = &feed[0]; - i = &feed[1]; - phaseShift = _feedbackLevel ? ((*o + *i) << _feedbackLevel) : 0; - *o = *i; - } else { - phaseShift = phasebuf << 15; - } - - if (lvlout < 832) { - uint32 index = (lvlout << 3) + _sinTbl[(((int32)((_phase & 0xffff0000) - + phaseShift)) >> 16) & 0x3ff]; - *i = ((index < 6656) ? _tLvlTbl[index] : 0); - } else { - *i = 0; - } - - _phase += _phaseIncrement; - out += *o; -} - -void TownsPC98_FmSynthOperator::reset() { - keyOff(); - _timer = 0; - _keyScale2 = 0; - _currentLevel = 1023; - - frequency(0); - detune(0); - scaleRate(0); - multiple(0); - updatePhaseIncrement(); - attackRate(0); - decayRate(0); - releaseRate(0); - sustainRate(0); - feedbackLevel(0); - totalLevel(127); - ampModulation(false); -} - -bool TownsPC98_FmSynthOperator::scaleRate(uint8 value) { - value = 3 - value; - if (_keyScale1 != value) { - _keyScale1 = value; - return true; - } - - int k = _keyScale2; - int r = _specifiedAttackRate ? (_specifiedAttackRate << 1) + 0x20 : 0; - fs_a.rate = ((r + k) < 94) ? _rateTbl[r + k] : 136; - fs_a.shift = ((r + k) < 94) ? _rshiftTbl[r + k] : 0; - return false; -} - -class TownsPC98_FmSynthSquareSineSource { -public: - TownsPC98_FmSynthSquareSineSource(const uint32 timerbase, const uint32 rtt); - ~TownsPC98_FmSynthSquareSineSource(); - - void init(const int *rsTable, const int *rseTable); - void reset(); - void writeReg(uint8 address, uint8 value, bool force = false); - - void nextTick(int32 *buffer, uint32 bufferSize); - - void setVolumeIntern(int volA, int volB) { - _volumeA = volA; - _volumeB = volB; - } - void setVolumeChannelMasks(int channelMaskA, int channelMaskB) { - _volMaskA = channelMaskA; - _volMaskB = channelMaskB; - } - - uint8 chanEnable() const { - return _chanEnable; - } -private: - void updateRegs(); - - uint8 _updateRequestBuf[64]; - int _updateRequest; - int _rand; - - int8 _evpTimer; - uint32 _pReslt; - uint8 _attack; - - bool _evpUpdate, _cont; - - int _evpUpdateCnt; - uint8 _outN; - int _nTick; - - int32 *_tlTable; - int32 *_tleTable; - - const uint32 _tickLength; - uint32 _timer; - const uint32 _rtt; - - struct Channel { - int tick; - uint8 smp; - uint8 out; - - uint8 frqL; - uint8 frqH; - uint8 vol; - } _channels[3]; - - uint8 _noiseGenerator; - uint8 _chanEnable; - - uint8 **_reg; - - uint16 _volumeA; - uint16 _volumeB; - int _volMaskA; - int _volMaskB; - - bool _ready; -}; - -#ifndef DISABLE_PC98_RHYTHM_CHANNEL -class TownsPC98_FmSynthPercussionSource { -public: - TownsPC98_FmSynthPercussionSource(const uint32 timerbase, const uint32 rtt); - ~TownsPC98_FmSynthPercussionSource() { - delete[] _reg; - } - - void init(const uint8 *instrData = 0); - void reset(); - void writeReg(uint8 address, uint8 value); - - void nextTick(int32 *buffer, uint32 bufferSize); - - void setVolumeIntern(int volA, int volB) { - _volumeA = volA; - _volumeB = volB; - } - void setVolumeChannelMasks(int channelMaskA, int channelMaskB) { - _volMaskA = channelMaskA; - _volMaskB = channelMaskB; - } - -private: - struct RhtChannel { - const uint8 *data; - - const uint8 *start; - const uint8 *end; - const uint8 *pos; - uint32 size; - bool active; - uint8 level; - - int8 decState; - uint8 decStep; - - int16 samples[2]; - int out; - - uint8 startPosH; - uint8 startPosL; - uint8 endPosH; - uint8 endPosL; - }; - - void recalcOuput(RhtChannel *ins); - void advanceInput(RhtChannel *ins); - - RhtChannel _rhChan[6]; - - uint8 _totalLevel; - - const uint32 _tickLength; - uint32 _timer; - const uint32 _rtt; - - uint8 **_reg; - - uint16 _volumeA; - uint16 _volumeB; - int _volMaskA; - int _volMaskB; - - bool _ready; -}; -#endif // DISABLE_PC98_RHYTHM_CHANNEL - -TownsPC98_FmSynthSquareSineSource::TownsPC98_FmSynthSquareSineSource(const uint32 timerbase, const uint32 rtt) : _tlTable(0), - _rtt(rtt), _tleTable(0), _updateRequest(-1), _tickLength(timerbase * 27), _ready(0), _reg(0), _rand(1), _outN(1), - _nTick(0), _evpUpdateCnt(0), _evpTimer(0x1f), _pReslt(0x1f), _attack(0), _cont(false), _evpUpdate(true), - _timer(0), _noiseGenerator(0), _chanEnable(0), - _volMaskA(0), _volMaskB(0), _volumeA(Audio::Mixer::kMaxMixerVolume), _volumeB(Audio::Mixer::kMaxMixerVolume) { - - memset(_channels, 0, sizeof(_channels)); - memset(_updateRequestBuf, 0, sizeof(_updateRequestBuf)); - _reg = new uint8 *[11]; - - _reg[0] = &_channels[0].frqL; - _reg[1] = &_channels[0].frqH; - _reg[2] = &_channels[1].frqL; - _reg[3] = &_channels[1].frqH; - _reg[4] = &_channels[2].frqL; - _reg[5] = &_channels[2].frqH; - _reg[6] = &_noiseGenerator; - _reg[7] = &_chanEnable; - _reg[8] = &_channels[0].vol; - _reg[9] = &_channels[1].vol; - _reg[10] = &_channels[2].vol; - - reset(); -} - -TownsPC98_FmSynthSquareSineSource::~TownsPC98_FmSynthSquareSineSource() { - delete[] _tlTable; - delete[] _tleTable; - delete[] _reg; -} - -void TownsPC98_FmSynthSquareSineSource::init(const int *rsTable, const int *rseTable) { - if (_ready) { - reset(); - return; - } - - delete[] _tlTable; - delete[] _tleTable; - _tlTable = new int32[16]; - _tleTable = new int32[32]; - float a, b, d; - d = 801.0f; - - for (int i = 0; i < 16; i++) { - b = 1.0f / rsTable[i]; - a = 1.0f / d + b + 1.0f / 1000.0f; - float v = (b / a) * 32767.0f; - _tlTable[i] = (int32) v; - - b = 1.0f / rseTable[i]; - a = 1.0f / d + b + 1.0f / 1000.0f; - v = (b / a) * 32767.0f; - _tleTable[i] = (int32) v; - } - - for (int i = 16; i < 32; i++) { - b = 1.0f / rseTable[i]; - a = 1.0f / d + b + 1.0f / 1000.0f; - float v = (b / a) * 32767.0f; - _tleTable[i] = (int32) v; - } - - _ready = true; -} - -void TownsPC98_FmSynthSquareSineSource::reset() { - _rand = 1; - _outN = 1; - _updateRequest = -1; - _nTick = _evpUpdateCnt = 0; - _evpTimer = 0x1f; - _pReslt = 0x1f; - _attack = 0; - _cont = false; - _evpUpdate = true; - _timer = 0; - - for (int i = 0; i < 3; i++) { - _channels[i].tick = 0; - _channels[i].smp = _channels[i].out = 0; - } - - for (int i = 0; i < 14; i++) - writeReg(i, 0, true); - - writeReg(7, 0xbf, true); -} - -void TownsPC98_FmSynthSquareSineSource::writeReg(uint8 address, uint8 value, bool force) { - if (!_ready) - return; - - if (address > 10 || *_reg[address] == value) { - if ((address == 11 || address == 12 || address == 13) && value) - warning("TownsPC98_FmSynthSquareSineSource: unsupported reg address: %d", address); - return; - } - - if (!force) { - if (_updateRequest >= 63) { - warning("TownsPC98_FmSynthSquareSineSource: event buffer overflow"); - _updateRequest = -1; - } - _updateRequestBuf[++_updateRequest] = value; - _updateRequestBuf[++_updateRequest] = address; - return; - } - - *_reg[address] = value; -} - -void TownsPC98_FmSynthSquareSineSource::nextTick(int32 *buffer, uint32 bufferSize) { - if (!_ready) - return; - - for (uint32 i = 0; i < bufferSize; i++) { - _timer += _tickLength; - while (_timer > _rtt) { - _timer -= _rtt; - - if (++_nTick >= (_noiseGenerator & 0x1f)) { - if ((_rand + 1) & 2) - _outN ^= 1; - - _rand = (((_rand & 1) ^ ((_rand >> 3) & 1)) << 16) | (_rand >> 1); - _nTick = 0; - } - - for (int ii = 0; ii < 3; ii++) { - if (++_channels[ii].tick >= (((_channels[ii].frqH & 0x0f) << 8) | _channels[ii].frqL)) { - _channels[ii].tick = 0; - _channels[ii].smp ^= 1; - } - _channels[ii].out = (_channels[ii].smp | ((_chanEnable >> ii) & 1)) & (_outN | ((_chanEnable >> (ii + 3)) & 1)); - } - - if (_evpUpdate) { - if (++_evpUpdateCnt >= 0) { - _evpUpdateCnt = 0; - - if (--_evpTimer < 0) { - if (_cont) { - _evpTimer &= 0x1f; - } else { - _evpUpdate = false; - _evpTimer = 0; - } - } - } - } - _pReslt = _evpTimer ^ _attack; - updateRegs(); - } - - int32 finOut = 0; - for (int ii = 0; ii < 3; ii++) { - int32 finOutTemp = ((_channels[ii].vol >> 4) & 1) ? _tleTable[_channels[ii].out ? _pReslt : 0] : _tlTable[_channels[ii].out ? (_channels[ii].vol & 0x0f) : 0]; - - if ((1 << ii) & _volMaskA) - finOutTemp = (finOutTemp * _volumeA) / Audio::Mixer::kMaxMixerVolume; - - if ((1 << ii) & _volMaskB) - finOutTemp = (finOutTemp * _volumeB) / Audio::Mixer::kMaxMixerVolume; - - finOut += finOutTemp; - } - - finOut /= 3; - - buffer[i << 1] += finOut; - buffer[(i << 1) + 1] += finOut; - } -} - -void TownsPC98_FmSynthSquareSineSource::updateRegs() { - for (int i = 0; i < _updateRequest;) { - uint8 b = _updateRequestBuf[i++]; - uint8 a = _updateRequestBuf[i++]; - writeReg(a, b, true); - } - _updateRequest = -1; -} - -#ifndef DISABLE_PC98_RHYTHM_CHANNEL -TownsPC98_FmSynthPercussionSource::TownsPC98_FmSynthPercussionSource(const uint32 timerbase, const uint32 rtt) : - _rtt(rtt), _tickLength(timerbase * 2), _timer(0), _ready(false), _volMaskA(0), _volMaskB(0), _volumeA(Audio::Mixer::kMaxMixerVolume), _volumeB(Audio::Mixer::kMaxMixerVolume) { - - memset(_rhChan, 0, sizeof(RhtChannel) * 6); - _reg = new uint8 *[40]; - - _reg[0] = _reg[1] = _reg[2] = _reg[3] = _reg[4] = _reg[5] = _reg[6] = _reg[7] = _reg[8] = _reg[9] = _reg[10] = _reg[11] = _reg[12] = _reg[13] = _reg[14] = _reg[15] = 0; - _reg[16] = &_rhChan[0].startPosL; - _reg[17] = &_rhChan[1].startPosL; - _reg[18] = &_rhChan[2].startPosL; - _reg[19] = &_rhChan[3].startPosL; - _reg[20] = &_rhChan[4].startPosL; - _reg[21] = &_rhChan[5].startPosL; - _reg[22] = &_rhChan[0].startPosH; - _reg[23] = &_rhChan[1].startPosH; - _reg[24] = &_rhChan[2].startPosH; - _reg[25] = &_rhChan[3].startPosH; - _reg[26] = &_rhChan[4].startPosH; - _reg[27] = &_rhChan[5].startPosH; - _reg[28] = &_rhChan[0].endPosL; - _reg[29] = &_rhChan[1].endPosL; - _reg[30] = &_rhChan[2].endPosL; - _reg[31] = &_rhChan[3].endPosL; - _reg[32] = &_rhChan[4].endPosL; - _reg[33] = &_rhChan[5].endPosL; - _reg[34] = &_rhChan[0].endPosH; - _reg[35] = &_rhChan[1].endPosH; - _reg[36] = &_rhChan[2].endPosH; - _reg[37] = &_rhChan[3].endPosH; - _reg[38] = &_rhChan[4].endPosH; - _reg[39] = &_rhChan[5].endPosH; -} - -void TownsPC98_FmSynthPercussionSource::init(const uint8 *instrData) { - if (_ready) { - reset(); - return; - } - - const uint8 *start = instrData; - const uint8 *pos = start; - - if (instrData) { - for (int i = 0; i < 6; i++) { - _rhChan[i].data = start + READ_BE_UINT16(pos); - pos += 2; - _rhChan[i].size = READ_BE_UINT16(pos); - pos += 2; - } - reset(); - _ready = true; - } else { - memset(_rhChan, 0, sizeof(RhtChannel) * 6); - _ready = false; - } -} - -void TownsPC98_FmSynthPercussionSource::reset() { - _timer = 0; - _totalLevel = 63; - - for (int i = 0; i < 6; i++) { - RhtChannel *s = &_rhChan[i]; - s->pos = s->start = s->data; - s->end = s->data + s->size; - s->active = false; - s->level = 0; - s->out = 0; - s->decStep = 1; - s->decState = 0; - s->samples[0] = s->samples[1] = 0; - s->startPosH = s->startPosL = s->endPosH = s->endPosL = 0; - } -} - -void TownsPC98_FmSynthPercussionSource::writeReg(uint8 address, uint8 value) { - if (!_ready) - return; - - uint8 h = address >> 4; - uint8 l = address & 15; - - if (address > 15) - *_reg[address] = value; - - if (address == 0) { - if (value & 0x80) { - //key off - for (int i = 0; i < 6; i++) { - if ((value >> i) & 1) - _rhChan[i].active = false; - } - } else { - //key on - for (int i = 0; i < 6; i++) { - if ((value >> i) & 1) { - RhtChannel *s = &_rhChan[i]; - s->pos = s->start; - s->active = true; - s->out = 0; - s->samples[0] = s->samples[1] = 0; - s->decStep = 1; - s->decState = 0; - } - } - } - } else if (address == 1) { - // total level - _totalLevel = (value & 63) ^ 63; - for (int i = 0; i < 6; i++) - recalcOuput(&_rhChan[i]); - } else if (!h && l & 8) { - // instrument level - l &= 7; - _rhChan[l].level = (value & 0x1f) ^ 0x1f; - recalcOuput(&_rhChan[l]); - } else if (h & 3) { - l &= 7; - if (h == 1) { - // set start offset - _rhChan[l].start = _rhChan[l].data + ((_rhChan[l].startPosH << 8 | _rhChan[l].startPosL) << 8); - } else if (h == 2) { - // set end offset - _rhChan[l].end = _rhChan[l].data + ((_rhChan[l].endPosH << 8 | _rhChan[l].endPosL) << 8) + 255; - } - } -} - -void TownsPC98_FmSynthPercussionSource::nextTick(int32 *buffer, uint32 bufferSize) { - if (!_ready) - return; - - for (uint32 i = 0; i < bufferSize; i++) { - _timer += _tickLength; - while (_timer > _rtt) { - _timer -= _rtt; - - for (int ii = 0; ii < 6; ii++) { - RhtChannel *s = &_rhChan[ii]; - if (s->active) { - recalcOuput(s); - if (s->decStep) { - advanceInput(s); - if (s->pos == s->end) - s->active = false; - } - s->decStep ^= 1; - } - } - } - - int32 finOut = 0; - - for (int ii = 0; ii < 6; ii++) { - if (_rhChan[ii].active) - finOut += _rhChan[ii].out; - } - - finOut <<= 1; - - if (1 & _volMaskA) - finOut = (finOut * _volumeA) / Audio::Mixer::kMaxMixerVolume; - - if (1 & _volMaskB) - finOut = (finOut * _volumeB) / Audio::Mixer::kMaxMixerVolume; - - buffer[i << 1] += finOut; - buffer[(i << 1) + 1] += finOut; - } -} - -void TownsPC98_FmSynthPercussionSource::recalcOuput(RhtChannel *ins) { - uint32 s = _totalLevel + ins->level; - uint32 x = s > 62 ? 0 : (1 + (s >> 3)); - int32 y = s > 62 ? 0 : (15 - (s & 7)); - ins->out = ((ins->samples[ins->decStep] * y) >> x) & ~3; -} - -void TownsPC98_FmSynthPercussionSource::advanceInput(RhtChannel *ins) { - static const int8 adjustIndex[] = { -1, -1, -1, -1, 2, 5, 7, 9 }; - - static const int16 stepTable[] = { - 16, 17, 19, 21, 23, 25, 28, 31, 34, 37, 41, 45, 50, 55, - 60, 66, 73, 80, 88, 97, 107, 118, 130, 143, 157, 173, 190, 209, 230, 253, 279, 307, 337, - 371, 408, 449, 494, 544, 598, 658, 724, 796, 876, 963, 1060, 1166, 1282, 1411, 1552 - }; - - uint8 cur = (int8)*ins->pos++; - - for (int i = 0; i < 2; i++) { - int b = (2 * (cur & 7) + 1) * stepTable[ins->decState] / 8; - ins->samples[i] = CLIP<int16>(ins->samples[i ^ 1] + (cur & 8 ? b : -b), -2048, 2047); - ins->decState = CLIP<int8>(ins->decState + adjustIndex[cur & 7], 0, 48); - cur >>= 4; - } -} -#endif // DISABLE_PC98_RHYTHM_CHANNEL - -TownsPC98_FmSynth::TownsPC98_FmSynth(Audio::Mixer *mixer, EmuType type) : - _mixer(mixer), - _chanInternal(0), _ssg(0), -#ifndef DISABLE_PC98_RHYTHM_CHANNEL - _prc(0), -#endif - _numChan(type == kType26 ? 3 : 6), _numSSG(type == kTypeTowns ? 0 : 3), - _hasPercussion(type == kType86 ? true : false), - _oprRates(0), _oprRateshift(0), _oprAttackDecay(0), _oprFrq(0), _oprSinTbl(0), _oprLevelOut(0), _oprDetune(0), - _rtt(type == kTypeTowns ? 0x514767 : 0x5B8D80), _baserate(55125.0f / (float)mixer->getOutputRate()), - _volMaskA(0), _volMaskB(0), _volumeA(255), _volumeB(255), - _regProtectionFlag(false), _ready(false) { - - memset(&_timers[0], 0, sizeof(ChipTimer)); - memset(&_timers[1], 0, sizeof(ChipTimer)); - - _timers[0].cb = _timers[1].cb = &TownsPC98_FmSynth::idleTimerCallback; - _timerbase = (uint32)(_baserate * 1000000.0f); -} - -TownsPC98_FmSynth::~TownsPC98_FmSynth() { - if (_ready) - deinit(); - - delete _ssg; -#ifndef DISABLE_PC98_RHYTHM_CHANNEL - delete _prc; -#endif - delete[] _chanInternal; - - delete[] _oprRates; - delete[] _oprRateshift; - delete[] _oprFrq; - delete[] _oprAttackDecay; - delete[] _oprSinTbl; - delete[] _oprLevelOut; - delete[] _oprDetune; -} - -bool TownsPC98_FmSynth::init() { - if (_ready) { - reset(); - return true; - } - - generateTables(); - - _chanInternal = new ChanInternal[_numChan]; - for (int i = 0; i < _numChan; i++) { - memset(&_chanInternal[i], 0, sizeof(ChanInternal)); - for (int j = 0; j < 4; ++j) - _chanInternal[i].opr[j] = new TownsPC98_FmSynthOperator(_timerbase, _rtt, _oprRates, _oprRateshift, _oprAttackDecay, _oprFrq, _oprSinTbl, _oprLevelOut, _oprDetune); - } - - if (_numSSG) { - _ssg = new TownsPC98_FmSynthSquareSineSource(_timerbase, _rtt); - _ssg->init(&_ssgTables[0], &_ssgTables[16]); - } - -#ifndef DISABLE_PC98_RHYTHM_CHANNEL - if (_hasPercussion) { - _prc = new TownsPC98_FmSynthPercussionSource(_timerbase, _rtt); - _prc->init(_percussionData); - } -#endif - - _timers[0].cb = &TownsPC98_FmSynth::timerCallbackA; - _timers[1].cb = &TownsPC98_FmSynth::timerCallbackB; - - _mixer->playStream(Audio::Mixer::kPlainSoundType, - &_soundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true); - - _ready = true; - - return true; -} - -void TownsPC98_FmSynth::reset() { - Common::StackLock lock(_mutex); - for (int i = 0; i < _numChan; i++) { - for (int ii = 0; ii < 4; ii++) - _chanInternal[i].opr[ii]->reset(); - memset(_chanInternal[i].feedbuf, 0, 3); - _chanInternal[i].algorithm = 0; - _chanInternal[i].frqTemp = 0; - _chanInternal[i].enableLeft = _chanInternal[i].enableRight = true; - _chanInternal[i].updateEnvelopeParameters = false; - } - - writeReg(0, 0x27, 0x33); - - if (_ssg) - _ssg->reset(); - -#ifndef DISABLE_PC98_RHYTHM_CHANNEL - if (_prc) - _prc->reset(); -#endif -} - -void TownsPC98_FmSynth::writeReg(uint8 part, uint8 regAddress, uint8 value) { - if (_regProtectionFlag || !_ready) - return; - - static const uint8 oprOrdr[] = { 0, 2, 1, 3 }; - - Common::StackLock lock(_mutex); - - uint8 h = regAddress & 0xf0; - uint8 l = (regAddress & 0x0f); - - ChanInternal *c = 0; - TownsPC98_FmSynthOperator **co = 0; - TownsPC98_FmSynthOperator *o = 0; - - if (regAddress > 0x2F) { - c = &_chanInternal[(l & 3) + 3 * part]; - co = c->opr; - o = c->opr[oprOrdr[(l - (l & 3)) >> 2]]; - } else if (regAddress == 0x28) { - c = &_chanInternal[(value & 3) + ((value & 4) ? 3 : 0)]; - co = c->opr; - } - - switch (h) { - case 0x00: - // ssg - if (_ssg) - _ssg->writeReg(l, value); - break; - case 0x10: -#ifndef DISABLE_PC98_RHYTHM_CHANNEL - // pcm rhythm channel - if (_prc) - _prc->writeReg(l, value); -#endif - break; - case 0x20: - if (l == 8) { - // Key on/off - for (int i = 0; i < 4; i++) { - if ((value >> (4 + i)) & 1) - co[oprOrdr[i]]->keyOn(); - else - co[oprOrdr[i]]->keyOff(); - } - } else if (l == 4) { - // Timer A - _timers[0].value = (_timers[0].value & 3) | (value << 2); - } else if (l == 5) { - // Timer A - _timers[0].value = (_timers[0].value & 0x3fc) | (value & 3); - } else if (l == 6) { - // Timer B - _timers[1].value = value & 0xff; - } else if (l == 7) { - if (value & 1) { - float spc = (float)(0x400 - _timers[0].value) / _baserate; - if (spc < 1) { - warning("TownsPC98_FmSynth: Invalid Timer A setting: %d", _timers[0].value); - spc = 1; - } - - _timers[0].smpPerCb = (int32) spc; - _timers[0].smpPerCbRem = (uint32)((spc - (float)_timers[0].smpPerCb) * 1000000.0f); - _timers[0].smpTillCb = _timers[0].smpPerCb; - _timers[0].smpTillCbRem = _timers[0].smpPerCbRem; - _timers[0].enabled = true; - } else { - _timers[0].enabled = false; - } - - if (value & 2) { - float spc = (float)(0x100 - _timers[1].value) * 16.0f / _baserate; - if (spc < 1) { - warning("TownsPC98_FmSynth: Invalid Timer B setting: %d", _timers[1].value); - spc = 1; - } - - _timers[1].smpPerCb = (int32) spc; - _timers[1].smpPerCbRem = (uint32)((spc - (float)_timers[1].smpPerCb) * 1000000.0f); - _timers[1].smpTillCb = _timers[1].smpPerCb; - _timers[1].smpTillCbRem = _timers[1].smpPerCbRem; - _timers[1].enabled = true; - } else { - _timers[1].enabled = false; - } - - if (value & 0x10) { - _timers[0].smpTillCb = _timers[0].smpPerCb; - _timers[0].smpTillCbRem = _timers[0].smpTillCbRem; - } - - if (value & 0x20) { - _timers[1].smpTillCb = _timers[1].smpPerCb; - _timers[1].smpTillCbRem = _timers[1].smpTillCbRem; - } - } else if (l == 2) { - // LFO - if (value & 8) - warning("TownsPC98_FmSynth: TRYING TO USE LFO (NOT SUPPORTED)"); - } else if (l == 10 || l == 11) { - // DAC - if (l == 11 && (value & 0x80)) - warning("TownsPC98_FmSynth: TRYING TO USE DAC (NOT SUPPORTED)"); - } - break; - - case 0x30: - // detune, multiple - o->detune((value >> 4) & 7); - o->multiple(value & 0x0f); - c->updateEnvelopeParameters = true; - break; - - case 0x40: - // total level - o->totalLevel(value & 0x7f); - break; - - case 0x50: - // rate scaling, attack rate - o->attackRate(value & 0x1f); - if (o->scaleRate(value >> 6)) - c->updateEnvelopeParameters = true; - break; - - case 0x60: - // first decay rate, amplitude modulation - o->decayRate(value & 0x1f); - o->ampModulation(value & 0x80 ? true : false); - break; - - case 0x70: - // secondary decay rate - o->sustainRate(value & 0x1f); - break; - - case 0x80: - // secondary amplitude, release rate; - o->sustainLevel(value >> 4); - o->releaseRate(value & 0x0f); - break; - - case 0x90: - warning("TownsPC98_FmSynth: TRYING TO USE SSG ENVELOPE SHAPES (NOT SUPPORTED)"); - break; - - case 0xa0: - // frequency - l &= ~3; - if (l == 0) { - c->frqTemp = (c->frqTemp & 0xff00) | value; - c->updateEnvelopeParameters = true; - for (int i = 0; i < 4; i++) - co[i]->frequency(c->frqTemp); - } else if (l == 4) { - c->frqTemp = (c->frqTemp & 0xff) | (value << 8); - } else if (l == 8) { - // Ch 3/6 special mode frq - warning("TownsPC98_FmSynth: TRYING TO USE CH 3/6 SPECIAL MODE FREQ (NOT SUPPORTED)"); - } else if (l == 12) { - // Ch 3/6 special mode frq - warning("TownsPC98_FmSynth: TRYING TO USE CH 3/6 SPECIAL MODE FREQ (NOT SUPPORTED)"); - } - break; - - case 0xb0: - l &= ~3; - if (l == 0) { - // feedback, _algorithm - co[0]->feedbackLevel((value >> 3) & 7); - c->algorithm = value & 7; - } else if (l == 4) { - // stereo, LFO sensitivity - c->enableLeft = value & 0x80 ? true : false; - c->enableRight = value & 0x40 ? true : false; - c->ampModSensitivity((value & 0x30) >> 4); - c->frqModSensitivity(value & 3); - } - break; - - default: - warning("TownsPC98_FmSynth: UNKNOWN ADDRESS %d", regAddress); - } -} - -int TownsPC98_FmSynth::readBuffer(int16 *buffer, const int numSamples) { - Common::StackLock lock(_mutex); - - memset(buffer, 0, sizeof(int16) * numSamples); - int32 *tmp = new int32[numSamples]; - int32 *tmpStart = tmp; - memset(tmp, 0, sizeof(int32) * numSamples); - int32 samplesLeft = numSamples >> 1; - - while (_ready && samplesLeft) { - int32 render = samplesLeft; - - for (int i = 0; i < 2; i++) { - if (_timers[i].enabled && _timers[i].cb) { - if (!_timers[i].smpTillCb) { - (this->*_timers[i].cb)(); - _timers[i].smpTillCb = _timers[i].smpPerCb; - - _timers[i].smpTillCbRem += _timers[i].smpPerCbRem; - if (_timers[i].smpTillCbRem >= _timerbase) { - _timers[i].smpTillCb++; - _timers[i].smpTillCbRem -= _timerbase; - } - } - render = MIN(render, _timers[i].smpTillCb); - } - } - - samplesLeft -= render; - - for (int i = 0; i < 2; i++) { - if (_timers[i].enabled && _timers[i].cb) { - _timers[i].smpTillCb -= render; - } - } - - nextTick(tmp, render); - - if (_ssg) - _ssg->nextTick(tmp, render); -#ifndef DISABLE_PC98_RHYTHM_CHANNEL - if (_prc) - _prc->nextTick(tmp, render); -#endif - - nextTickEx(tmp, render); - - for (int i = 0; i < render; ++i) { - int32 l = CLIP<int32>(tmp[i << 1], -32767, 32767); - buffer[i << 1] = (int16) l; - int32 r = CLIP<int32>(tmp[(i << 1) + 1], -32767, 32767); - buffer[(i << 1) + 1] = (int16) r; - } - - buffer += (render << 1); - tmp += (render << 1); - } - - delete[] tmpStart; - return numSamples; -} - -void TownsPC98_FmSynth::deinit() { - _ready = false; - _mixer->stopHandle(_soundHandle); - _timers[0].cb = _timers[1].cb = &TownsPC98_FmSynth::idleTimerCallback; -} - -uint8 TownsPC98_FmSynth::readSSGStatus() { - return _ssg->chanEnable(); -} - -void TownsPC98_FmSynth::setVolumeIntern(int volA, int volB) { - Common::StackLock lock(_mutex); - _volumeA = CLIP<uint16>(volA, 0, Audio::Mixer::kMaxMixerVolume); - _volumeB = CLIP<uint16>(volB, 0, Audio::Mixer::kMaxMixerVolume); - if (_ssg) - _ssg->setVolumeIntern(_volumeA, _volumeB); -#ifndef DISABLE_PC98_RHYTHM_CHANNEL - if (_prc) - _prc->setVolumeIntern(_volumeA, _volumeB); -#endif -} - -void TownsPC98_FmSynth::setVolumeChannelMasks(int channelMaskA, int channelMaskB) { - Common::StackLock lock(_mutex); - _volMaskA = channelMaskA; - _volMaskB = channelMaskB; - if (_ssg) - _ssg->setVolumeChannelMasks(_volMaskA >> _numChan, _volMaskB >> _numChan); -#ifndef DISABLE_PC98_RHYTHM_CHANNEL - if (_prc) - _prc->setVolumeChannelMasks(_volMaskA >> (_numChan + _numSSG), _volMaskB >> (_numChan + _numSSG)); -#endif -} - -void TownsPC98_FmSynth::generateTables() { - delete[] _oprRates; - _oprRates = new uint8[128]; - - WRITE_BE_UINT32(_oprRates + 32, _numChan == 6 ? 0x90900000 : 0x00081018); - WRITE_BE_UINT32(_oprRates + 36, _numChan == 6 ? 0x00001010 : 0x00081018); - memset(_oprRates, 0x90, 32); - memset(_oprRates + 96, 0x80, 32); - uint8 *dst = (uint8 *)_oprRates + 40; - for (int i = 0; i < 40; i += 4) - WRITE_BE_UINT32(dst + i, 0x00081018); - for (int i = 0; i < 48; i += 4) - WRITE_BE_UINT32(dst + i, 0x00081018); - dst += 40; - for (uint8 i = 0; i < 16; i ++) { - uint8 v = (i < 12) ? i : 12; - *dst++ = ((4 + v) << 3); - } - - delete[] _oprRateshift; - _oprRateshift = new uint8[128]; - memset(_oprRateshift, 0, 128); - dst = (uint8 *)_oprRateshift + 32; - for (int i = 11; i; i--) { - memset(dst, i, 4); - dst += 4; - } - - delete[] _oprFrq; - _oprFrq = new uint32[0x1000]; - for (uint32 i = 0; i < 0x1000; i++) - _oprFrq[i] = (uint32)(_baserate * (float)(i << 11)); - - delete[] _oprAttackDecay; - _oprAttackDecay = new uint8[152]; - memset(_oprAttackDecay, 0, 152); - for (int i = 0; i < 36; i++) - WRITE_BE_UINT32(_oprAttackDecay + (i << 2), _adtStat[i]); - - delete[] _oprSinTbl; - _oprSinTbl = new uint32[1024]; - for (int i = 0; i < 1024; i++) { - double val = sin((double)(((i << 1) + 1) * PI / 1024.0)); - double d_dcb = log(1.0 / (double)ABS(val)) / log(2.0) * 256.0; - int32 i_dcb = (int32)(2.0 * d_dcb); - i_dcb = (i_dcb & 1) ? (i_dcb >> 1) + 1 : (i_dcb >> 1); - _oprSinTbl[i] = (i_dcb << 1) + (val >= 0.0 ? 0 : 1); - } - - delete[] _oprLevelOut; - _oprLevelOut = new int32[0x1a00]; - for (int i = 0; i < 256; i++) { - double val = floor(65536.0 / pow(2.0, 0.00390625 * (double)(1 + i))); - int32 val_int = ((int32) val) >> 4; - _oprLevelOut[i << 1] = (val_int & 1) ? ((val_int >> 1) + 1) << 2 : (val_int >> 1) << 2; - _oprLevelOut[(i << 1) + 1] = -_oprLevelOut[i << 1]; - for (int ii = 1; ii < 13; ++ii) { - _oprLevelOut[(i << 1) + (ii << 9)] = _oprLevelOut[i << 1] >> ii; - _oprLevelOut[(i << 1) + (ii << 9) + 1] = -_oprLevelOut[(i << 1) + (ii << 9)]; - } - } - - uint8 *dtt = new uint8[128]; - memset(dtt, 0, 36); - memset(dtt + 36, 1, 8); - memcpy(dtt + 44, _detSrc, 84); - - delete[] _oprDetune; - _oprDetune = new int32[256]; - for (int i = 0; i < 128; i++) { - _oprDetune[i] = (int32)((float)dtt[i] * _baserate * 64.0); - _oprDetune[i + 128] = -_oprDetune[i]; - } - - delete[] dtt; -} - -void TownsPC98_FmSynth::nextTick(int32 *buffer, uint32 bufferSize) { - if (!_ready) - return; - - for (int i = 0; i < _numChan; i++) { - TownsPC98_FmSynthOperator **o = _chanInternal[i].opr; - - if (_chanInternal[i].updateEnvelopeParameters) { - _chanInternal[i].updateEnvelopeParameters = false; - for (int ii = 0; ii < 4 ; ii++) - o[ii]->updatePhaseIncrement(); - } - - for (uint32 ii = 0; ii < bufferSize ; ii++) { - int32 phbuf1, phbuf2, output; - phbuf1 = phbuf2 = output = 0; - - int32 *leftSample = &buffer[ii * 2]; - int32 *rightSample = &buffer[ii * 2 + 1]; - int32 *del = &_chanInternal[i].feedbuf[2]; - int32 *feed = _chanInternal[i].feedbuf; - - switch (_chanInternal[i].algorithm) { - case 0: - o[0]->generateOutput(0, feed, phbuf1); - o[2]->generateOutput(*del, 0, phbuf2); - *del = 0; - o[1]->generateOutput(phbuf1, 0, *del); - o[3]->generateOutput(phbuf2, 0, output); - break; - case 1: - o[0]->generateOutput(0, feed, phbuf1); - o[2]->generateOutput(*del, 0, phbuf2); - o[1]->generateOutput(0, 0, phbuf1); - o[3]->generateOutput(phbuf2, 0, output); - *del = phbuf1; - break; - case 2: - o[0]->generateOutput(0, feed, phbuf2); - o[2]->generateOutput(*del, 0, phbuf2); - o[1]->generateOutput(0, 0, phbuf1); - o[3]->generateOutput(phbuf2, 0, output); - *del = phbuf1; - break; - case 3: - o[0]->generateOutput(0, feed, phbuf2); - o[2]->generateOutput(0, 0, *del); - o[1]->generateOutput(phbuf2, 0, phbuf1); - o[3]->generateOutput(*del, 0, output); - *del = phbuf1; - break; - case 4: - o[0]->generateOutput(0, feed, phbuf1); - o[2]->generateOutput(0, 0, phbuf2); - o[1]->generateOutput(phbuf1, 0, output); - o[3]->generateOutput(phbuf2, 0, output); - *del = 0; - break; - case 5: - o[0]->generateOutput(0, feed, phbuf1); - o[2]->generateOutput(*del, 0, output); - o[1]->generateOutput(phbuf1, 0, output); - o[3]->generateOutput(phbuf1, 0, output); - *del = phbuf1; - break; - case 6: - o[0]->generateOutput(0, feed, phbuf1); - o[2]->generateOutput(0, 0, output); - o[1]->generateOutput(phbuf1, 0, output); - o[3]->generateOutput(0, 0, output); - *del = 0; - break; - case 7: - o[0]->generateOutput(0, feed, output); - o[2]->generateOutput(0, 0, output); - o[1]->generateOutput(0, 0, output); - o[3]->generateOutput(0, 0, output); - *del = 0; - break; - }; - - int32 finOut = (output << 2) / ((_numChan + _numSSG - 3) / 3); - - if ((1 << i) & _volMaskA) - finOut = (finOut * _volumeA) / Audio::Mixer::kMaxMixerVolume; - - if ((1 << i) & _volMaskB) - finOut = (finOut * _volumeB) / Audio::Mixer::kMaxMixerVolume; - - if (_chanInternal[i].enableLeft) - *leftSample += finOut; - - if (_chanInternal[i].enableRight) - *rightSample += finOut; - } - } -} - -const uint32 TownsPC98_FmSynth::_adtStat[] = { - 0x00010001, 0x00010001, 0x00010001, 0x01010001, - 0x00010101, 0x00010101, 0x00010101, 0x01010101, - 0x01010101, 0x01010101, 0x01010102, 0x01010102, - 0x01020102, 0x01020102, 0x01020202, 0x01020202, - 0x02020202, 0x02020202, 0x02020204, 0x02020204, - 0x02040204, 0x02040204, 0x02040404, 0x02040404, - 0x04040404, 0x04040404, 0x04040408, 0x04040408, - 0x04080408, 0x04080408, 0x04080808, 0x04080808, - 0x08080808, 0x08080808, 0x10101010, 0x10101010 -}; - -const uint8 TownsPC98_FmSynth::_detSrc[] = { - 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03, - 0x04, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07, - 0x08, 0x08, 0x08, 0x08, 0x01, 0x01, 0x01, 0x01, - 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03, - 0x04, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07, - 0x08, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, - 0x10, 0x10, 0x10, 0x10, 0x02, 0x02, 0x02, 0x02, - 0x02, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x05, - 0x05, 0x06, 0x06, 0x07, 0x08, 0x08, 0x09, 0x0a, - 0x0b, 0x0c, 0x0d, 0x0e, 0x10, 0x11, 0x13, 0x14, - 0x16, 0x16, 0x16, 0x16 -}; - -const int TownsPC98_FmSynth::_ssgTables[] = { - 0x01202A, 0x0092D2, 0x006B42, 0x0053CB, 0x003DF8, 0x003053, 0x0022DA, 0x001A8C, - 0x00129B, 0x000DC1, 0x000963, 0x0006C9, 0x000463, 0x0002FA, 0x0001B6, 0x0000FB, - 0x0193B6, 0x01202A, 0x00CDB1, 0x0092D2, 0x007D7D, 0x006B42, 0x005ECD, 0x0053CB, - 0x00480F, 0x003DF8, 0x0036B9, 0x003053, 0x00290A, 0x0022DA, 0x001E6B, 0x001A8C, - 0x001639, 0x00129B, 0x000FFF, 0x000DC1, 0x000B5D, 0x000963, 0x0007FB, 0x0006C9, - 0x000575, 0x000463, 0x00039D, 0x0002FA, 0x000242, 0x0001B6, 0x00014C, 0x0000FB -}; - -#ifndef DISABLE_PC98_RHYTHM_CHANNEL -const uint8 TownsPC98_FmSynth::_percussionData[] = { - 0, 24, 1, 192, 1, 216, 2, 128, 4, 88, 23, 64, 27, 152, 1, 128, 29, 24, 2, 128, 31, 152, 0, 128, 136, 128, 128, 128, 0, 136, 97, 103, 153, 139, 34, 163, 72, 195, 27, 69, 1, 154, 137, 35, 8, 51, 169, 122, 164, 75, 133, 203, 81, 146, 168, 121, 185, 68, 202, 8, 33, 237, 49, 177, 12, 133, 140, 17, 160, 42, 161, 10, 0, 137, 176, 57, - 233, 41, 160, 136, 235, 65, 177, 137, 128, 26, 164, 28, 3, 157, 51, 137, 1, 152, 113, 161, 40, 146, 115, 192, 56, 5, 169, 66, 161, 56, 1, 50, 145, 59, 39, 168, 97, 1, 160, 57, 7, 153, 50, 153, 32, 2, 25, 129, 32, 20, 186, 66, 129, 24, 153, 164, 142, 130, 169, 153, 26, 242, 138, 217, 9, 128, 204, 58, 209, 172, 40, 176, 141, - 128, 155, 144, 203, 139, 0, 235, 9, 177, 172, 0, 185, 168, 138, 25, 240, 59, 211, 139, 19, 176, 90, 160, 17, 26, 132, 41, 1, 5, 25, 3, 50, 144, 115, 147, 42, 39, 152, 41, 3, 56, 193, 105, 130, 155, 66, 200, 26, 19, 218, 154, 49, 201, 171, 138, 176, 251, 139, 185, 172, 136, 189, 139, 145, 207, 41, 160, 171, 152, 186, 139, - 186, 141, 128, 218, 171, 51, 217, 170, 56, 163, 12, 4, 155, 81, 147, 42, 37, 152, 32, 54, 136, 49, 50, 48, 37, 32, 69, 0, 17, 50, 50, 83, 2, 16, 68, 20, 8, 66, 4, 154, 84, 145, 24, 33, 24, 32, 17, 18, 145, 32, 22, 168, 49, 163, 1, 33, 50, 184, 115, 129, 25, 66, 1, 24, 67, 2, 80, 35, 40, 53, 2, 65, 51, 19, 67, 37, 0, 52, 35, 49, 37, - 34, 49, 37, 17, 52, 17, 35, 35, 35, 34, 32, 49, 33, 152, 34, 145, 24, 24, 128, 138, 128, 184, 9, 177, 171, 168, 185, 155, 152, 172, 155, 186, 172, 185, 172, 155, 186, 173, 153, 202, 187, 185, 202, 170, 171, 202, 186, 169, 170, 170, 171, 139, 154, 171, 153, 154, 169, 10, 168, 154, 128, 168, 154, 0, 153, 152, 136, 137, - 128, 153, 0, 152, 8, 128, 137, 0, 136, 136, 8, 9, 8, 9, 8, 24, 153, 128, 136, 153, 144, 0, 161, 138, 1, 169, 136, 128, 160, 168, 152, 153, 138, 137, 154, 153, 153, 154, 153, 170, 168, 170, 185, 168, 169, 154, 169, 171, 153, 169, 170, 153, 152, 154, 153, 137, 169, 137, 136, 144, 152, 144, 128, 128, 144, 129, 129, 0, 33, - 0, 17, 17, 17, 33, 33, 18, 18, 34, 34, 34, 34, 34, 34, 35, 19, 35, 19, 35, 35, 18, 19, 18, 35, 18, 33, 0, 8, 8, 8, 8, 8, 8, 8, 160, 205, 65, 176, 171, 203, 16, 240, 95, 242, 120, 145, 156, 66, 177, 26, 19, 153, 9, 35, 35, 239, 56, 132, 138, 154, 50, 145, 203, 25, 32, 20, 237, 24, 130, 138, 160, 27, 39, 173, 50, 203, 64, 145, 139, - 18, 168, 48, 146, 171, 65, 18, 176, 12, 52, 128, 25, 5, 57, 240, 104, 161, 25, 129, 18, 188, 114, 160, 26, 36, 200, 154, 18, 1, 128, 186, 73, 162, 173, 32, 184, 25, 144, 137, 234, 8, 154, 32, 160, 158, 18, 187, 81, 2, 235, 41, 36, 144, 154, 17, 67, 128, 33, 160, 114, 146, 26, 37, 33, 232, 41, 130, 41, 178, 29, 50, 251, 24, - 1, 153, 138, 160, 76, 179, 155, 11, 0, 38, 252, 41, 146, 41, 178, 27, 193, 43, 39, 170, 136, 17, 129, 8, 49, 233, 48, 129, 11, 6, 26, 130, 136, 128, 64, 1, 248, 105, 145, 9, 16, 144, 140, 5, 25, 168, 16, 186, 48, 5, 171, 217, 57, 134, 171, 8, 34, 188, 20, 203, 41, 6, 155, 161, 89, 164, 140, 2, 136, 51, 202, 41, 131, 56, 144, - 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22, 20, 19, 19, 32, 16, 2, 66, 52, 68, 4, 3, 1, 203, 235, 188, 189, 186, 171, 153, 137, 153, 170, 219, 170, 140, 9, 17, 53, 115, 50, 52, 67, 51, 51, 51, 17, 130, 0, 145, 154, 169, 188, 236, 187, 190, 203, 187, 172, 171, 138, 136, 17, 33, 18, 2, 34, 98, 98, 50, 50, 52, 66, 34, 35, 2, 19, 24, 169, 203, 203, 188, 219, 169, 154, - 9, 137, 171, 204, 188, 203, 184, 136, 34, 83, 50, 33, 153, 184, 170, 170, 152, 40, 57, 19, 36, 50, 50, 18, 35, 17, 2, 49, 49, 66, 66, 66, 34, 17, 168, 233, 202, 202, 170, 171, 170, 186, 219, 203, 188, 188, 154, 138, 25, 33, 68, 52, 68, 67, 67, 36, 51, 36, 18, 17, 17, 136, 8, 170, 176, 202, 188, 206, 202, 171, 172, 186, 169, - 153, 8, 25, 144, 128, 1, 34, 68, 52, 68, 51, 52, 34, 49, 18, 34, 2, 144, 136, 155, 140, 187, 186, 186, 154, 154, 185, 185, 153, 9, 9, 0, 24, 0, 128, 144, 168, 169, 170, 154, 154, 153, 9, 8, 16, 8, 0, 144, 19, 35, 68, 51, 52, 67, 51, 66, 34, 50, 33, 1, 144, 185, 186, 172, 204, 187, 188, 173, 172, 186, 172, 186, 154, 138, 41, - 33, 52, 53, 83, 50, 51, 52, 52, 37, 34, 34, 18, 16, 144, 152, 154, 187, 219, 203, 188, 173, 186, 186, 186, 170, 154, 153, 138, 144, 16, 17, 67, 82, 50, 51, 21, 34, 19, 33, 2, 18, 33, 1, 8, 153, 169, 153, 153, 136, 128, 0, 136, 154, 153, 153, 8, 8, 1, 16, 0, 169, 170, 187, 171, 171, 154, 153, 153, 152, 153, 153, 0, 16, 51, 83, - 66, 50, 67, 50, 51, 67, 51, 52, 35, 18, 136, 186, 219, 187, 189, 186, 171, 187, 173, 187, 188, 187, 203, 138, 9, 16, 33, 50, 52, 53, 67, 67, 147, 8, 128, 128, 128, 128, 128, 128, 128, 128, 0, 240, 255, 55, 232, 23, 220, 0, 148, 1, 9, 18, 148, 10, 189, 32, 163, 62, 160, 5, 137, 12, 149, 42, 153, 144, 34, 42, 8, 1, 138, 181, - 45, 136, 18, 144, 105, 138, 1, 160, 14, 128, 132, 145, 186, 37, 138, 41, 192, 48, 145, 46, 160, 33, 44, 24, 225, 16, 13, 132, 136, 137, 16, 148, 25, 170, 194, 82, 152, 136, 91, 24, 42, 169, 33, 233, 131, 179, 24, 185, 149, 16, 57, 172, 164, 18, 10, 211, 160, 147, 211, 33, 138, 243, 129, 16, 41, 193, 0, 43, 132, 155, 73, - 58, 145, 244, 145, 43, 35, 9, 171, 16, 110, 25, 8, 28, 74, 162, 128, 26, 27, 82, 45, 136, 153, 18, 8, 136, 8 -}; -#endif // DISABLE_PC98_RHYTHM_CHANNEL - -TownsPC98_FmSynth::ChanInternal::ChanInternal() { - memset(this, 0, sizeof(ChanInternal)); -} - -TownsPC98_FmSynth::ChanInternal::~ChanInternal() { - for (uint i = 0; i < ARRAYSIZE(opr); ++i) - delete opr[i]; -} diff --git a/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h b/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h deleted file mode 100644 index ddd249b1b8..0000000000 --- a/sound/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h +++ /dev/null @@ -1,196 +0,0 @@ -/* 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 "sound/audiostream.h" -#include "sound/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 - |