ESE_SCC.hh

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#ifndef ESE_SCC_HH
#define ESE_SCC_HH
 
#include "MSXDevice.hh"
#include "SRAM.hh"
#include "SCC.hh"
#include "RomBlockDebuggable.hh"
 
namespace openmsx {
 
class MB89352;
 
class ESE_SCC final : public MSXDevice
{
public:
        ESE_SCC(const DeviceConfig& config, bool withSCSI);
 
        void powerUp(EmuTime::param time) override;
        void reset(EmuTime::param time) override;
 
        [[nodiscard]] byte readMem(word address, EmuTime::param time) override;
        [[nodiscard]] byte peekMem(word address, EmuTime::param time) const override;
        void writeMem(word address, byte value, EmuTime::param time) override;
        [[nodiscard]] const byte* getReadCacheLine(word address) const override;
        [[nodiscard]] byte* getWriteCacheLine(word address) const override;
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
 
private:
        [[nodiscard]] unsigned getSramSize(bool withSCSI) const;
        void setMapperLow(unsigned page, byte value);
        void setMapperHigh(byte value);
 
private:
        SRAM sram;
        SCC scc;
        const std::unique_ptr<MB89352> spc; // can be nullptr
        RomBlockDebuggable romBlockDebug;
 
        const byte mapperMask;
        byte mapper[4];
        bool spcEnable;
        bool sccEnable;
        bool writeEnable;
};
 
} // namespace openmsx
 
#endif