#ifndef PIONEERLDCONTROL_HH

#define PIONEERLDCONTROL_HH

#include "LaserdiscPlayer.hh"

#include "Clock.hh"

#include "IRQHelper.hh"

#include "MSXDevice.hh"

#include "Rom.hh"

#include <optional>

namespace openmsx {

class MSXPPI;

class VDP;

class PioneerLDControl final : public MSXDevice

{

public:

	explicit PioneerLDControl(DeviceConfig& config);

	~PioneerLDControl() 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 address) const override;

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

	void init() override;

	void videoIn(bool enabled);

	template<typename Archive>

	void serialize(Archive& ar, unsigned version);

private:

	void updateVideoSource();

private:

	Rom rom;

	std::optional<LaserdiscPlayer> laserdisc; // can be nullopt

	MSXPPI* ppi;

	VDP* vdp;

	/**

	 * The reference clock for the pulse is 500kHz / 128, which

	 * alternates after each period. We double the frequency

	 * and use modulo 2 for whether it will be high or low.

	 *

	 * See page 88 of the PX-7 Service Manual.

	 */

	Clock<2 * 500000, 128> clock{EmuTime::zero()}; // 2*500kHz / 128 = 7812.5Hz

	/**

	 * When video output stops, generate an IRQ

	 */

	IRQHelper irq;

	bool extInt;

	bool muteL, muteR;

	bool videoEnabled = false;

	bool superimposing;

};

} // namespace openmsx

#endif