#ifndef MEGAFLASHROMSCCPLUS_HH

#define MEGAFLASHROMSCCPLUS_HH

#include "AmdFlash.hh"

#include "MSXRom.hh"

#include "AY8910.hh"

#include "SCC.hh"

#include <array>

#include <cstdint>

namespace openmsx {

class MegaFlashRomSCCPlus final : public MSXRom

{

public:

	MegaFlashRomSCCPlus(DeviceConfig& config, Rom&& rom);

	~MegaFlashRomSCCPlus() override;

	void powerUp(EmuTime time) override;

	void reset(EmuTime time) override;

	[[nodiscard]] byte peekMem(uint16_t address, EmuTime time) const override;

	[[nodiscard]] byte readMem(uint16_t address, EmuTime time) override;

	[[nodiscard]] const byte* getReadCacheLine(uint16_t address) const override;

	void writeMem(uint16_t address, byte value, EmuTime time) override;

	[[nodiscard]] byte* getWriteCacheLine(uint16_t address) override;

	void writeIO(uint16_t port, byte value, EmuTime time) override;

	template<typename Archive>

	void serialize(Archive& ar, unsigned version);

private:

	[[nodiscard]] byte readMem2(uint16_t addr, EmuTime time);

	enum class SCCMode { NONE, SCC, SCCPLUS };

	[[nodiscard]] SCCMode getSCCMode() const;

	[[nodiscard]] unsigned getSubslot(unsigned address) const;

	[[nodiscard]] unsigned getFlashAddr(unsigned addr) const;

	[[nodiscard]] bool isSCCAccessEnabled() const;

private:

	SCC scc;

	AY8910 psg;

	AmdFlash flash;

	byte configReg;

	byte offsetReg;

	byte subslotReg;

	std::array<std::array<byte, 4>, 4> bankRegs;

	byte psgLatch;

	byte sccModeReg;

	std::array<byte, 4> sccBanks;

};

} // namespace openmsx

#endif