#ifndef YMF278B_HH

#define YMF278B_HH

#include "YMF262.hh"

#include "YMF278.hh"

#include "serialize.hh"

#include <cstdint>

namespace openmsx {

// This combines the FM-part (YMF262) and the Wave-part (YMF278) into a single chip.

class YMF278B

{

public:

	YMF278B(const std::string& name, size_t ramSize, DeviceConfig& config,

	        YMF278::SetupMemPtrFunc setupMemPtrs, EmuTime time);

	void powerUp(EmuTime time);

	void reset(EmuTime time);

	[[nodiscard]] uint8_t readIO(uint16_t port, EmuTime time);

	[[nodiscard]] uint8_t peekIO(uint16_t port, EmuTime time) const;

	void writeIO(uint16_t port, uint8_t value, EmuTime time);

	void setupMemoryPointers();

	void serialize_bw_compat(XmlInputArchive& ar, unsigned version, EmuTime time);

	template<typename Archive>

	void serialize(Archive& ar, unsigned version);

private:

	[[nodiscard]] bool getNew2() const;

	[[nodiscard]] uint8_t readYMF278Status(EmuTime time) const;

private:

	YMF262 ymf262;

	YMF278 ymf278;

	/** Time at which instrument loading is finished. */

	EmuTime ymf278LoadTime;

	/** Time until which the YMF278 is busy. */

	EmuTime ymf278BusyTime;

	int opl3latch = 0;

	uint8_t opl4latch = 0;

};

} // namespace openmsx

#endif