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8b8b964aad
Until specific information regarding the benefits of migrating to the new emulator can be made available, the "old" code will remain in effect for the benefit of slower hardware platforms such as some WinCE-based devices. svn-id: r8903
105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2003 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#ifndef ADLIBCHANNEL_H
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#define ADLIBCHANNEL_H
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#include "stdafx.h"
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#include "common/engine.h"
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#include "sky/sky.h"
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#include "sky/music/musicbase.h"
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#include "sound/fmopl.h"
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typedef struct {
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uint8 ad_Op1, ad_Op2;
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uint8 sr_Op1, sr_Op2;
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uint8 ampMod_Op1, ampMod_Op2;
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uint8 waveSelect_Op1, waveSelect_Op2;
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uint8 bindedEffect;
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uint8 feedBack;
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uint8 totOutLev_Op1, totOutLev_Op2;
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uint8 scalingLevel;
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uint8 pad1, pad2, pad3;
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} InstrumentStruct;
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typedef struct {
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uint16 eventDataPtr;
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int32 nextEventTime;
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uint16 startOfData;
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uint8 adlibChannelNumber;
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uint8 lastCommand;
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uint8 channelActive;
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uint8 note;
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uint8 adlibReg1, adlibReg2;
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InstrumentStruct *instrumentData;
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uint8 assignedInstrument;
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uint8 channelVolume;
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uint8 padding; // field_12 / not used by original driver
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uint8 tremoVibro;
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uint8 freqDataSize;
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uint8 freqOffset;
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uint16 frequency;
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} AdlibChannelType;
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class SkyAdlibChannel : public SkyChannelBase {
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public:
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SkyAdlibChannel (FM_OPL *opl, uint8 *pMusicData, uint16 startOfData);
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virtual void stopNote(void);
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virtual uint8 process(uint16 aktTime);
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virtual void updateVolume(uint16 pVolume);
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virtual bool isActive(void);
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private:
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FM_OPL *_opl;
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uint8 *_musicData;
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uint16 _musicVolume;
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AdlibChannelType _channelData;
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//-
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InstrumentStruct *_instruments;
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uint16 *_frequenceTable;
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uint8 *_instrumentMap;
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uint8 *_registerTable, *_opOutputTable;
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uint8 *_adlibRegMirror;
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//- normal subs
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void setRegister(uint8 regNum, uint8 value);
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int32 getNextEventTime(void);
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uint16 getNextNote(uint8 param);
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void adlibSetupInstrument(void);
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void setupInstrument(uint8 opcode);
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void setupChannelVolume(uint8 volume);
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//- Streamfunctions from Command90hTable
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void com90_caseNoteOff(void); // 0
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void com90_stopChannel(void); // 1
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void com90_setupInstrument(void); // 2
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uint8 com90_updateTempo(void); // 3
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//void com90_dummy(void); // 4
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void com90_getFreqOffset(void); // 5
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void com90_getChannelVolume(void); // 6
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void com90_getTremoVibro(void); // 7
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void com90_rewindMusic(void); // 8
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void com90_keyOff(void); // 9
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//void com90_error(void); // 10
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//void com90_doLodsb(void); // 11
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void com90_setStartOfData(void); // 12
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//void com90_do_two_Lodsb(void); // 13
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};
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#endif //ADLIBCHANNEL_H
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