scummvm/audio/rwopl3.h
NMIError 221fa4c841
AUDIO: Add support for RetroWave OPL3
This commit adds support for the SudoMaker RetroWave OPL3 sound card. Requires
the retrowave library.

Add the following settings to scummvm.ini:
retrowaveopl3_bus=serial
retrowaveopl3_port=<port> f.e. COM3 or ttyACM0
2022-01-29 17:33:29 +01:00

76 lines
1.8 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/>.
*
*/
/*
* Based on RetroWave OPL3 integration code of DOSBox-X
*/
#ifndef AUDIO_SOFTSYNTH_OPL_RWOPL3_H
#define AUDIO_SOFTSYNTH_OPL_RWOPL3_H
#include "audio/fmopl.h"
#include "common/mutex.h"
#include <RetroWaveLib/RetroWave.h>
namespace OPL {
namespace RetroWaveOPL3 {
class OPL : public ::OPL::RealOPL {
private:
enum RWConnType {
RWCONNTYPE_POSIX_SERIAL,
RWCONNTYPE_WIN32_SERIAL,
RWCONNTYPE_LINUX_SPI
};
Config::OplType _type;
int _activeReg;
bool _initialized;
RWConnType _connType;
bool _useBuffer;
RetroWaveContext _retrowaveGlobalContext;
Common::Mutex *_rwMutex;
public:
explicit OPL(Config::OplType type);
~OPL();
bool init() override;
void reset() override;
void write(int portAddress, int value) override;
byte read(int portAddress) override;
void writeReg(int reg, int value) override;
protected:
void writeReg(int reg, int value, bool forcePort);
void onTimer() override;
};
} // End of namespace RetroWaveOPL3
} // End of namespace OPL
#endif