YamahaSKW01.hh

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#ifndef YAMAHASKW01_HH
#define YAMAHASKW01_HH
 
#include "MSXDevice.hh"
#include "Connector.hh"
#include "SRAM.hh"
#include "Rom.hh"
#include <array>
#include <optional>
 
namespace openmsx {
 
class PrinterPortDevice;
 
class YamahaSKW01PrinterPort final : public Connector
{
public:
        YamahaSKW01PrinterPort(PluggingController& pluggingController, const std::string& name);
 
        // printer port functionality
        void reset(EmuTime::param time);
        [[nodiscard]] bool getStatus(EmuTime::param time) const;
        void setStrobe(bool newStrobe, EmuTime::param time);
        void writeData(uint8_t newData, EmuTime::param time);
 
        // Connector
        [[nodiscard]] std::string_view getDescription() const override;
        [[nodiscard]] std::string_view getClass() const override;
        void plug(Pluggable& dev, EmuTime::param time) override;
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
 
private:
        [[nodiscard]] PrinterPortDevice& getPluggedPrintDev() const;
 
 
private:
        bool strobe = false; // != true
        uint8_t data = 255;  // != 0
};
 
class YamahaSKW01 final : public MSXDevice
{
public:
        explicit YamahaSKW01(const DeviceConfig& config);
 
        // MSXDevice
        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 start) const override;
        [[nodiscard]] byte* getWriteCacheLine(word start) override;
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
 
private:
        Rom mainRom;
        Rom fontRom;
        Rom dataRom;
        SRAM sram;
        std::array<uint16_t, 4> fontAddress;
        uint16_t dataAddress;
 
        std::optional<YamahaSKW01PrinterPort> printerPort;
};
 
} // namespace openmsx
 
#endif