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#include "includes/nb1413m3.h"

class nbmj8891_state : public driver_device
{
public:
	enum
	{
		TIMER_BLITTER
	};

	nbmj8891_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) ,
		m_maincpu(*this, "maincpu"),
		m_nb1413m3(*this, "nb1413m3")	{ }

	required_device<cpu_device> m_maincpu;
	required_device<nb1413m3_device> m_nb1413m3;
	
	int m_scrolly;
	int m_blitter_destx;
	int m_blitter_desty;
	int m_blitter_sizex;
	int m_blitter_sizey;
	int m_blitter_src_addr;
	int m_blitter_direction_x;
	int m_blitter_direction_y;
	int m_vram;
	int m_gfxrom;
	int m_dispflag;
	int m_flipscreen;
	int m_clutsel;
	int m_screen_refresh;
	int m_gfxdraw_mode;
	bitmap_ind16 m_tmpbitmap0;
	bitmap_ind16 m_tmpbitmap1;
	UINT8 *m_videoram0;
	UINT8 *m_videoram1;
	UINT8 *m_palette;
	UINT8 *m_clut;
	int m_param_old[0x10];
	int m_param_cnt;
	int m_flipscreen_old;
	DECLARE_READ8_MEMBER(taiwanmb_unk_r);
	DECLARE_READ8_MEMBER(nbmj8891_palette_type1_r);
	DECLARE_WRITE8_MEMBER(nbmj8891_palette_type1_w);
	DECLARE_READ8_MEMBER(nbmj8891_palette_type2_r);
	DECLARE_WRITE8_MEMBER(nbmj8891_palette_type2_w);
	DECLARE_READ8_MEMBER(nbmj8891_palette_type3_r);
	DECLARE_WRITE8_MEMBER(nbmj8891_palette_type3_w);
	DECLARE_WRITE8_MEMBER(nbmj8891_clutsel_w);
	DECLARE_READ8_MEMBER(nbmj8891_clut_r);
	DECLARE_WRITE8_MEMBER(nbmj8891_clut_w);
	DECLARE_WRITE8_MEMBER(nbmj8891_blitter_w);
	DECLARE_WRITE8_MEMBER(nbmj8891_taiwanmb_blitter_w);
	DECLARE_WRITE8_MEMBER(nbmj8891_taiwanmb_gfxdraw_w);
	DECLARE_WRITE8_MEMBER(nbmj8891_taiwanmb_gfxflag_w);
	DECLARE_WRITE8_MEMBER(nbmj8891_taiwanmb_mcu_w);
	DECLARE_WRITE8_MEMBER(nbmj8891_scrolly_w);
	DECLARE_WRITE8_MEMBER(nbmj8891_vramsel_w);
	DECLARE_WRITE8_MEMBER(nbmj8891_romsel_w);
	DECLARE_CUSTOM_INPUT_MEMBER(nb1413m3_busyflag_r);
	DECLARE_CUSTOM_INPUT_MEMBER(nb1413m3_outcoin_flag_r);
	DECLARE_DRIVER_INIT(pairsten);
	DECLARE_DRIVER_INIT(telmahjn);
	DECLARE_DRIVER_INIT(gionbana);
	DECLARE_DRIVER_INIT(omotesnd);
	DECLARE_DRIVER_INIT(scandal);
	DECLARE_DRIVER_INIT(mgmen89);
	DECLARE_DRIVER_INIT(mjfocusm);
	DECLARE_DRIVER_INIT(mjfocus);
	DECLARE_DRIVER_INIT(pairsnb);
	DECLARE_DRIVER_INIT(mjnanpas);
	virtual void video_start();
	DECLARE_VIDEO_START(nbmj8891_1layer);
	UINT32 screen_update_nbmj8891(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	void nbmj8891_vramflip(int vram);
	void update_pixel0(int x, int y);
	void update_pixel1(int x, int y);
	void nbmj8891_gfxdraw();

protected:
	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
};