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// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic
/*****************************************************************************
 *
 * includes/bk.h
 *
 ****************************************************************************/

#ifndef BK_H_
#define BK_H_
#include "imagedev/cassette.h"

class bk_state : public driver_device
{
public:
	bk_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_bk0010_video_ram(*this, "video_ram"),
		m_maincpu(*this, "maincpu"),
		m_cassette(*this, "cassette") { }

	UINT16 m_scrool;
	required_shared_ptr<UINT16> m_bk0010_video_ram;
	UINT16 m_kbd_state;
	UINT16 m_key_code;
	UINT16 m_key_pressed;
	UINT16 m_key_irq_vector;
	UINT16 m_drive;
	DECLARE_READ16_MEMBER(bk_key_state_r);
	DECLARE_READ16_MEMBER(bk_key_code_r);
	DECLARE_READ16_MEMBER(bk_vid_scrool_r);
	DECLARE_READ16_MEMBER(bk_key_press_r);
	DECLARE_WRITE16_MEMBER(bk_key_state_w);
	DECLARE_WRITE16_MEMBER(bk_vid_scrool_w);
	DECLARE_WRITE16_MEMBER(bk_key_press_w);
	DECLARE_READ16_MEMBER(bk_floppy_cmd_r);
	DECLARE_WRITE16_MEMBER(bk_floppy_cmd_w);
	DECLARE_READ16_MEMBER(bk_floppy_data_r);
	DECLARE_WRITE16_MEMBER(bk_floppy_data_w);
	virtual void machine_start() override;
	virtual void machine_reset() override;
	virtual void video_start() override;
	UINT32 screen_update_bk0010(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	TIMER_CALLBACK_MEMBER(keyboard_callback);
	IRQ_CALLBACK_MEMBER(bk0010_irq_callback);
	required_device<cpu_device> m_maincpu;
	required_device<cassette_image_device> m_cassette;
};

#endif /* BK_H_ */