// Note: this device is actually called SCC-I. But this would take a lot of

// renaming, which isn't worth it right now. TODO rename this :)

#ifndef MSXSCCPLUSCART_HH

#define MSXSCCPLUSCART_HH

#include "SCC.hh"

#include "MSXDevice.hh"

#include "Ram.hh"

#include "RomBlockDebuggable.hh"

#include <array>

#include <cstdint>

namespace openmsx {

class MSXSCCPlusCart final : public MSXDevice

{

public:

	struct MapperConfig {

		unsigned numBlocks;  // number of 8kB blocks

		byte registerMask;   // mapper selection bits to ignore

		byte registerOffset; // first mapped block

	};

public:

	explicit MSXSCCPlusCart(const DeviceConfig& config);

	void powerUp(EmuTime time) override;

	void reset(EmuTime time) override;

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

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

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

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

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

	template<typename Archive>

	void serialize(Archive& ar, unsigned version);

private:

	void setMapper(int region, byte value);

	void setModeRegister(byte value);

	void checkEnable();

private:

	const MapperConfig mapperConfig;

	Ram ram;

	SCC scc;

	RomBlockDebuggable romBlockDebug;

	std::array<byte*, 4> internalMemoryBank; // 4 blocks of 8kB starting at #4000

	enum SCCEnable : uint8_t {EN_NONE, EN_SCC, EN_SCCPLUS} enable;

	byte modeRegister;

	std::array<bool, 4> isRamSegment;

	std::array<bool, 4> isMapped;

	std::array<byte, 4> mapper;

};

} // namespace openmsx

#endif