125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
/* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#ifndef SCUMM_PLAYERS_PLAYER_PCE_H
|
|
#define SCUMM_PLAYERS_PLAYER_PCE_H
|
|
|
|
#include "common/scummsys.h"
|
|
#include "common/mutex.h"
|
|
#include "scumm/music.h"
|
|
#include "audio/audiostream.h"
|
|
#include "audio/mixer.h"
|
|
|
|
// PCE sound engine is only used by Loom, which requires 16bit color support
|
|
#ifdef USE_RGB_COLOR
|
|
|
|
namespace Scumm {
|
|
|
|
class ScummEngine;
|
|
class PSG_HuC6280;
|
|
|
|
class Player_PCE : public Audio::AudioStream, public MusicEngine {
|
|
private:
|
|
struct channel_t {
|
|
int id;
|
|
|
|
byte controlVec0;
|
|
byte controlVec1;
|
|
byte controlVec2;
|
|
byte controlVec5;
|
|
byte balance;
|
|
byte balance2;
|
|
byte controlVec8;
|
|
byte controlVec9;
|
|
byte controlVec10;
|
|
byte controlVec11;
|
|
int16 soundUpdateCounter;
|
|
byte controlVec18;
|
|
byte controlVec19;
|
|
byte waveformCtrl;
|
|
byte controlVec21;
|
|
bool controlVec23;
|
|
bool controlVec24;
|
|
|
|
uint16 controlVecShort02;
|
|
uint16 controlVecShort03;
|
|
int16 controlVecShort06;
|
|
uint16 freq;
|
|
uint16 controlVecShort09;
|
|
uint16 controlVecShort10;
|
|
|
|
const byte* soundDataPtr;
|
|
const byte* controlBufferPos;
|
|
};
|
|
|
|
public:
|
|
Player_PCE(ScummEngine *scumm, Audio::Mixer *mixer);
|
|
~Player_PCE() override;
|
|
|
|
void setMusicVolume(int vol) override { _maxvol = vol; }
|
|
void startSound(int sound) override;
|
|
void stopSound(int sound) override;
|
|
void stopAllSounds() override;
|
|
int getSoundStatus(int sound) const override;
|
|
int getMusicTimer() override;
|
|
|
|
// AudioStream API
|
|
int readBuffer(int16 *buffer, const int numSamples) override;
|
|
bool isStereo() const override { return true; }
|
|
bool endOfData() const override { return false; }
|
|
int getRate() const override { return _sampleRate; }
|
|
|
|
private:
|
|
ScummEngine *_vm;
|
|
Audio::Mixer *_mixer;
|
|
Audio::SoundHandle _soundHandle;
|
|
int _sampleRate;
|
|
int _maxvol;
|
|
|
|
private:
|
|
PSG_HuC6280 *_psg;
|
|
channel_t channels[12];
|
|
Common::Mutex _mutex;
|
|
|
|
// number of samples per timer period
|
|
int _samplesPerPeriod;
|
|
int16* _sampleBuffer;
|
|
int _sampleBufferCnt;
|
|
|
|
void PSG_Write(int reg, byte data);
|
|
|
|
void setupWaveform(byte bank);
|
|
void procA541(channel_t *channel);
|
|
void updateSound();
|
|
void procA731(channel_t *channel);
|
|
void processSoundData(channel_t *channel);
|
|
void procAA62(channel_t *channel, int a);
|
|
void procAB7F(channel_t *channel);
|
|
void procAC24(channel_t *channel);
|
|
void procACEA(channel_t *channel, int a);
|
|
};
|
|
|
|
} // End of namespace Scumm
|
|
|
|
#endif // USE_RGB_COLOR
|
|
|
|
#endif
|