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audio/rwopl3.h

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+/* 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