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Diffstat (limited to 'sky/music/adlibchannel.h')
-rw-r--r-- | sky/music/adlibchannel.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/sky/music/adlibchannel.h b/sky/music/adlibchannel.h new file mode 100644 index 0000000000..a9b43c3f9b --- /dev/null +++ b/sky/music/adlibchannel.h @@ -0,0 +1,101 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2003 The ScummVM project + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Header$ + * + */ + +#ifndef ADLIBCHANNEL_H +#define ADLIBCHANNEL_H + +#include "stdafx.h" +#include "common/engine.h" +#include "sky/music/musicbase.h" + +typedef struct { + uint8 ad_Op1, ad_Op2; + uint8 sr_Op1, sr_Op2; + uint8 ampMod_Op1, ampMod_Op2; + uint8 waveSelect_Op1, waveSelect_Op2; + uint8 bindedEffect; + uint8 feedBack; + uint8 totOutLev_Op1, totOutLev_Op2; + uint8 scalingLevel; + uint8 pad1, pad2, pad3; +} InstrumentStruct; + +typedef struct { + uint16 eventDataPtr; + int32 nextEventTime; + uint16 startOfData; + uint8 adlibChannelNumber; + uint8 lastCommand; + uint8 channelActive; + uint8 note; + uint8 adlibReg1, adlibReg2; + InstrumentStruct *instrumentData; + uint8 assignedInstrument; + uint8 channelVolume; + uint8 padding; // field_12 / not used by original driver + uint8 tremoVibro; + uint8 freqDataSize; + uint8 freqOffset; + uint16 frequency; +} AdlibChannelType; + +class SkyAdlibChannel : public SkyChannelBase { +public: + SkyAdlibChannel(uint8 *pMusicData, uint16 startOfData, uint32 version); + virtual void stopNote(void); + virtual uint8 process(uint16 aktTime); + virtual void updateVolume(uint16 pVolume); +private: + uint32 _gameVersion; + uint8 *_musicData; + uint16 _musicVolume; + AdlibChannelType _channelData; + //- + InstrumentStruct *_instruments; + uint16 *_frequenceTable; + uint8 *_instrumentMap; + uint8 *_registerTable, *_opOutputTable; + uint8 *_adlibRegMirror; + //- normal subs + void setRegister(uint8 regNum, uint8 value); + int32 getNextEventTime(void); + uint16 getNextNote(uint8 param); + void adlibSetupInstrument(void); + void setupInstrument(uint8 opcode); + void setupChannelVolume(uint8 volume); + //- Streamfunctions from Command90hTable + void com90_caseNoteOff(void); // 0 + void com90_stopChannel(void); // 1 + void com90_setupInstrument(void); // 2 + uint8 com90_updateTempo(void); // 3 + //void com90_dummy(void); // 4 + void com90_getFreqOffset(void); // 5 + void com90_getChannelVolume(void); // 6 + void com90_getTremoVibro(void); // 7 + void com90_rewindMusic(void); // 8 + void com90_keyOff(void); // 9 + //void com90_error(void); // 10 + //void com90_doLodsb(void); // 11 + void com90_setStartOfData(void); // 12 + //void com90_do_two_Lodsb(void); // 13 +}; + +#endif //ADLIBCHANNEL_H |