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/*****************************************************************************
 *
 * includes/vtech2.h
 *
 ****************************************************************************/

#ifndef VTECH2_H_
#define VTECH2_H_


#define TRKSIZE_FM	3172	/* size of a standard FM mode track */

class vtech2_state : public driver_device
{
public:
	vtech2_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) { }

	UINT8 *m_videoram;
	int m_laser_latch;
	char m_laser_frame_message[64+1];
	int m_laser_frame_time;
	UINT8 *m_mem;
	int m_laser_bank_mask;
	int m_laser_bank[4];
	int m_laser_video_bank;
	UINT8 m_laser_track_x2[2];
	UINT8 m_laser_fdc_status;
	UINT8 m_laser_fdc_data[TRKSIZE_FM];
	int m_laser_data;
	int m_laser_fdc_edge;
	int m_laser_fdc_bits;
	int m_laser_drive;
	int m_laser_fdc_start;
	int m_laser_fdc_write;
	int m_laser_fdc_offs;
	int m_laser_fdc_latch;
	int m_level_old;
	int m_cassette_bit;
	int m_row_a;
	int m_row_b;
	int m_row_c;
	int m_row_d;
	int m_laser_bg_mode;
	int m_laser_two_color;
	DECLARE_WRITE8_MEMBER(laser_bank_select_w);
	DECLARE_WRITE8_MEMBER(laser_fdc_w);
	DECLARE_WRITE8_MEMBER(laser_bg_mode_w);
	DECLARE_WRITE8_MEMBER(laser_two_color_w);
	DECLARE_READ8_MEMBER(laser_fdc_r);
	DECLARE_DRIVER_INIT(laser);
};


/*----------- defined in machine/vtech2.c -----------*/

MACHINE_RESET( laser350 );
MACHINE_RESET( laser500 );
MACHINE_RESET( laser700 );

DEVICE_IMAGE_LOAD( laser_cart );
DEVICE_IMAGE_UNLOAD( laser_cart );



/*----------- defined in video/vtech2.c -----------*/

extern VIDEO_START( laser );
extern SCREEN_UPDATE_IND16( laser );


#endif /* VTECH2_H_ */