mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-13 21:31:53 +00:00
106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
/* ScummVM - Scumm Interpreter
|
|
* Copyright (C) 2003-2004 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 "sky/music/musicbase.h"
|
|
#include "sound/fmopl.h"
|
|
|
|
namespace Sky {
|
|
|
|
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 AdlibChannel : public ChannelBase {
|
|
public:
|
|
AdlibChannel (FM_OPL *opl, uint8 *pMusicData, uint16 startOfData);
|
|
virtual void stopNote(void);
|
|
virtual uint8 process(uint16 aktTime);
|
|
virtual void updateVolume(uint16 pVolume);
|
|
virtual bool isActive(void);
|
|
private:
|
|
FM_OPL *_opl;
|
|
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
|
|
};
|
|
|
|
} // End of namespace Sky
|
|
|
|
#endif //ADLIBCHANNEL_H
|