/*
	YAMAHA YIS Emulator 'eYIS'

	Author : Takeda.Toshiya
	Date   : 2017.04.20-

	[ keyboard ]
*/

#ifndef _KEYBOARD_H_
#define _KEYBOARD_H_

#include "../vm.h"
#include "../../emu.h"
#include "../device.h"

class MEMORY;

class KEYBOARD : public DEVICE
{
private:
	DEVICE *d_cpu;
	const uint8_t *key_stat;
	uint8_t column;
	bool caps_locked;
	bool kana_locked;
	
public:
	KEYBOARD(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
	{
		set_device_name(_T("Keyboard"));
	}
	~KEYBOARD() {}
	
	// common functions
	void initialize();
	void reset();
	void write_io8(uint32_t addr, uint32_t data);
	uint32_t read_io8(uint32_t addr);
	void save_state(FILEIO* state_fio);
	bool load_state(FILEIO* state_fio);
	
	// unique functions
	void set_context_cpu(DEVICE* device)
	{
		d_cpu = device;
	}
	void key_down(int code);
	bool get_caps_locked()
	{
		return caps_locked;
	}
	bool get_kana_locked()
	{
		return kana_locked;
	}
};

#endif
