rwopl3.h

/* 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::OPL, public Audio::RealChip {
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;

    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