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/*****************************************************************************
 *
 * includes/mikro80.h
 *
 ****************************************************************************/

#ifndef MIKRO80_H_
#define MIKRO80_H_

#include "machine/i8255.h"
#include "imagedev/cassette.h"

class mikro80_state : public driver_device
{
public:
	mikro80_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_cursor_ram(*this, "cursor_ram")
		, m_video_ram(*this, "video_ram")
		, m_ppi8255(*this, "ppi8255")
		, m_cassette(*this, CASSETTE_TAG)
		, m_region_maincpu(*this, "maincpu")
		, m_region_gfx1(*this, "gfx1")
		, m_bank1(*this, "bank1")
		, m_io_line0(*this, "LINE0")
		, m_io_line1(*this, "LINE1")
		, m_io_line2(*this, "LINE2")
		, m_io_line3(*this, "LINE3")
		, m_io_line4(*this, "LINE4")
		, m_io_line5(*this, "LINE5")
		, m_io_line6(*this, "LINE6")
		, m_io_line7(*this, "LINE7")
		, m_io_line8(*this, "LINE8")
	{ }

	required_shared_ptr<UINT8> m_cursor_ram;
	required_shared_ptr<UINT8> m_video_ram;
	int m_keyboard_mask;
	int m_key_mask;
	DECLARE_READ8_MEMBER(mikro80_8255_portb_r);
	DECLARE_READ8_MEMBER(mikro80_8255_portc_r);
	DECLARE_WRITE8_MEMBER(mikro80_8255_porta_w);
	DECLARE_WRITE8_MEMBER(mikro80_8255_portc_w);
	DECLARE_READ8_MEMBER(mikro80_keyboard_r);
	DECLARE_WRITE8_MEMBER(mikro80_keyboard_w);
	DECLARE_WRITE8_MEMBER(mikro80_tape_w);
	DECLARE_READ8_MEMBER(mikro80_tape_r);
	DECLARE_DRIVER_INIT(radio99);
	DECLARE_DRIVER_INIT(mikro80);
	virtual void machine_reset();
	virtual void video_start();
	UINT32 screen_update_mikro80(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	TIMER_CALLBACK_MEMBER(mikro80_reset);

protected:
	required_device<i8255_device> m_ppi8255;
	required_device<cassette_image_device> m_cassette;
	required_memory_region m_region_maincpu;
	required_memory_region m_region_gfx1;
	required_memory_bank m_bank1;
	required_ioport m_io_line0;
	required_ioport m_io_line1;
	required_ioport m_io_line2;
	required_ioport m_io_line3;
	required_ioport m_io_line4;
	required_ioport m_io_line5;
	required_ioport m_io_line6;
	required_ioport m_io_line7;
	required_ioport m_io_line8;
};


/*----------- defined in machine/mikro80.c -----------*/

extern const i8255_interface mikro80_ppi8255_interface;

#endif /* UT88_H_ */