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"
 
#if defined(__clang__) && defined(__has_warning)
#  if __has_warning("-Wnewline-eof")
#    define COMPILER_HAS_NEWLINE_EOF_WARNING
#  endif
#endif
 
#ifdef COMPILER_HAS_NEWLINE_EOF_WARNING
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnewline-eof"
#endif
 
#include <RetroWaveLib/RetroWave.h>
 
#ifdef COMPILER_HAS_NEWLINE_EOF_WARNING
#pragma GCC diagnostic pop
#endif
 
namespace OPL {
namespace RetroWaveOPL3 {
 
class OPL : public ::OPL::OPL, public Audio::RealChip {
private:
    enum RWConnType {
        RWCONNTYPE_POSIX_SERIAL,
        RWCONNTYPE_WIN32_SERIAL,
        RWCONNTYPE_LINUX_SPI,
        RWCONNTYPE_WEB_SERIAL
    };
 
    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