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Diffstat (limited to 'sound/softsynth/fmtowns_pc98/towns_euphony.h')
| -rw-r--r-- | sound/softsynth/fmtowns_pc98/towns_euphony.h | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/sound/softsynth/fmtowns_pc98/towns_euphony.h b/sound/softsynth/fmtowns_pc98/towns_euphony.h new file mode 100644 index 0000000000..315e4ab4f0 --- /dev/null +++ b/sound/softsynth/fmtowns_pc98/towns_euphony.h @@ -0,0 +1,178 @@ +/* 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 reserveSfxChannels(int num); + + int setMusicTempo(int tempo); + int startMusicTrack(const uint8 *data, int trackSize, int startTick); + void setMusicLoop(bool loop); + void stopParser(); + + void playSoundEffect(int chan, int note, int velo, const uint8 *data); + void stopSoundEffect(int chan); + bool soundEffectIsPlaying(int chan); + + void chanStereo(int chan, int mode); + void chanPitch(int chan, int pitch); + void chanVolume(int chan, int vol); + + void cdaSetVolume(int a, int vol1, int vol2); + + int chanEnable(int tableEntry, int val); + int chanMode(int tableEntry, int val); + int chanOrdr(int tableEntry, int val); + int chanLevel(int tableEntry, int val); + int chanTranspose(int tableEntry, int val); + + int assignChannel(int chan, int tableEntry); + + void timerCallback(int timerId); + + 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 prepTranspose(uint8 in); + uint8 prepVelo(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 + |