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◆ main openmsx / src / memory / RomFSA1FM.hh
1.6 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#ifndef ROMFSA1FM1_HH
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#define ROMFSA1FM1_HH
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#include "MSXRom.hh"
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#include "RomBlocks.hh"
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#include "FirmwareSwitch.hh"
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#include <array>
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namespace openmsx {
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class SRAM;
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class RomFSA1FM1 final : public MSXRom
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{
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public:
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	RomFSA1FM1(const DeviceConfig& config, Rom&& rom);
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	void reset(EmuTime time) override;
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	[[nodiscard]] byte peekMem(uint16_t address, EmuTime time) const override;
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	[[nodiscard]] byte readMem(uint16_t address, EmuTime time) override;
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	[[nodiscard]] const byte* getReadCacheLine(uint16_t address) const override;
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	void writeMem(uint16_t address, byte value, EmuTime time) override;
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	[[nodiscard]] byte* getWriteCacheLine(uint16_t address) override;
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	template<typename Archive>
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	void serialize(Archive& ar, unsigned version);
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private:
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	std::shared_ptr<SRAM> fsSram;
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	FirmwareSwitch firmwareSwitch;
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};
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class RomFSA1FM2 final : public Rom8kBBlocks
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{
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public:
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	RomFSA1FM2(const DeviceConfig& config, Rom&& rom);
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	void reset(EmuTime time) override;
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	[[nodiscard]] byte peekMem(uint16_t address, EmuTime time) const override;
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	[[nodiscard]] byte readMem(uint16_t address, EmuTime time) override;
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	[[nodiscard]] const byte* getReadCacheLine(uint16_t address) const override;
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	void writeMem(uint16_t address, byte value, EmuTime time) override;
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	[[nodiscard]] byte* getWriteCacheLine(uint16_t address) override;
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	template<typename Archive>
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	void serialize(Archive& ar, unsigned version);
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private:
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	void changeBank(unsigned region, byte bank);
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private:
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	std::shared_ptr<SRAM> fsSram;
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	std::array<byte, 8> bankSelect;
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	std::array<bool, 8> isRam;
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	std::array<bool, 8> isEmpty;
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	byte control;
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};
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} // namespace openmsx
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#endif