MSXAudio.hh

Go to the documentation of this file.

#ifndef MSXAUDIO_HH
#define MSXAUDIO_HH

#include "MSXDevice.hh"
#include <memory>
#include <string>

namespace openmsx {

class Y8950;
class Y8950Periphery;
class DACSound8U;

class MSXAudio : public MSXDevice
{
public:
        explicit MSXAudio(const DeviceConfig& config);
        virtual ~MSXAudio();

        Y8950Periphery& createPeriphery(const std::string& soundDeviceName);

        virtual void powerUp(EmuTime::param time);
        virtual void reset(EmuTime::param time);
        virtual byte readIO(word port, EmuTime::param time);
        virtual byte peekIO(word port, EmuTime::param time) const;
        virtual void writeIO(word port, byte value, EmuTime::param time);
        virtual byte readMem(word address, EmuTime::param time);
        virtual byte peekMem(word address, EmuTime::param time) const;
        virtual void writeMem(word address, byte value, EmuTime::param time);
        virtual const byte* getReadCacheLine(word start) const;
        virtual byte* getWriteCacheLine(word start) const;

        template<typename Archive>
        void serialize(Archive& ar, unsigned version);

private:
        void enableDAC(bool enable, EmuTime::param time);

        std::unique_ptr<Y8950Periphery> periphery;
        std::unique_ptr<Y8950> y8950;
        std::unique_ptr<DACSound8U> dac;
        int registerLatch;
        byte dacValue;
        bool dacEnabled;

        friend class MusicModulePeriphery;
        friend class PanasonicAudioPeriphery;
        friend class ToshibaAudioPeriphery;
};

} // namespace openmsx

#endif