ChakkariCopy.hh

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#ifndef CHAKKARICOPY_HH
#define CHAKKARICOPY_HH
 
#include "MSXDevice.hh"
#include "EnumSetting.hh"
#include "BooleanSetting.hh"
#include "Ram.hh"
#include "Rom.hh"
 
namespace openmsx {
 
class ChakkariCopy final : public MSXDevice, private Observer<Setting>
{
public:
        enum Mode { COPY, RAM };
 
        explicit ChakkariCopy(const DeviceConfig& config);
        ~ChakkariCopy() override;
 
        void reset(EmuTime::param time) override;
        void writeIO(word port, byte value, EmuTime::param time) override;
        [[nodiscard]] byte readIO(word port, EmuTime::param time) override;
        [[nodiscard]] byte peekIO(word port, EmuTime::param time) const override;
        [[nodiscard]] byte readMem(word address, EmuTime::param time) override;
        [[nodiscard]] byte peekMem(word address, EmuTime::param time) const override;
        [[nodiscard]] const byte* getReadCacheLine(word address) const override;
        void writeMem(word address, byte value, EmuTime::param time) override;
        [[nodiscard]] byte* getWriteCacheLine(word address) const override;
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
 
private:
        // Observer<Setting>
        void update(const Setting& setting) noexcept override;
 
private:
        Ram biosRam;
        Ram workRam;
        Rom rom;
 
        BooleanSetting pauseButtonPressedSetting;
        BooleanSetting copyButtonPressedSetting;
        EnumSetting<Mode> modeSetting;
 
        byte reg = 0xFF; // avoid UMR in initial writeIO()
};
 
} // namespace openmsx
 
#endif