MSXMusic.hh

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#ifndef MSXMUSIC_HH
#define MSXMUSIC_HH
 
#include "MSXDevice.hh"
#include "Rom.hh"
#include "YM2413.hh"
#include "serialize_meta.hh"
 
namespace openmsx {
 
class MSXMusicBase : public MSXDevice
{
public:
        void reset(EmuTime::param time) override;
        void writeIO(word port, byte value, EmuTime::param time) override;
        [[nodiscard]] byte peekMem(word address, EmuTime::param time) const override;
        [[nodiscard]] byte readMem(word address, EmuTime::param time) override;
        [[nodiscard]] const byte* getReadCacheLine(word start) const override;
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
 
protected:
        explicit MSXMusicBase(const DeviceConfig& config);
        ~MSXMusicBase() override = default;
 
        void writePort(bool port, byte value, EmuTime::param time);
 
protected:
        Rom rom;
        YM2413 ym2413;
};
SERIALIZE_CLASS_VERSION(MSXMusicBase, 3);
 
 
class MSXMusic final : public MSXMusicBase
{
public:
        explicit MSXMusic(const DeviceConfig& config);
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
};
SERIALIZE_CLASS_VERSION(MSXMusic, 3); // must be same as MSXMusicBase
 
 
// Variant used in Panasonic_FS-A1WX and Panasonic_FS-A1WSX
class MSXMusicWX final : public MSXMusicBase
{
public:
        explicit MSXMusicWX(const DeviceConfig& config);
 
        void reset(EmuTime::param time) override;
        [[nodiscard]] byte peekMem(word address, EmuTime::param time) const override;
        [[nodiscard]] byte readMem(word address, EmuTime::param time) override;
        [[nodiscard]] const byte* getReadCacheLine(word start) const override;
        void writeMem(word address, byte value, EmuTime::param time) override;
        [[nodiscard]] byte* getWriteCacheLine(word start) override;
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
 
private:
        byte control;
};
SERIALIZE_CLASS_VERSION(MSXMusicWX, 3); // must be same as MSXMusicBase
 
} // namespace openmsx
 
#endif