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path: root/src/mame/includes/m52.h
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class m52_state : public driver_device
{
public:
	m52_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) ,
		m_videoram(*this, "videoram"),
		m_colorram(*this, "colorram"),
		m_spriteram(*this, "spriteram"){ }

	/* memory pointers */
	required_shared_ptr<UINT8> m_videoram;
	required_shared_ptr<UINT8> m_colorram;
	optional_shared_ptr<UINT8> m_spriteram;

	/* video-related */
	tilemap_t*             m_bg_tilemap;
	UINT8                m_bg1xpos;
	UINT8                m_bg1ypos;
	UINT8                m_bg2xpos;
	UINT8                m_bg2ypos;
	UINT8                m_bgcontrol;
	DECLARE_WRITE8_MEMBER(m52_scroll_w);
	DECLARE_WRITE8_MEMBER(m52_videoram_w);
	DECLARE_WRITE8_MEMBER(m52_colorram_w);
	DECLARE_READ8_MEMBER(m52_protection_r);
	DECLARE_WRITE8_MEMBER(m52_bg1ypos_w);
	DECLARE_WRITE8_MEMBER(m52_bg1xpos_w);
	DECLARE_WRITE8_MEMBER(m52_bg2xpos_w);
	DECLARE_WRITE8_MEMBER(m52_bg2ypos_w);
	DECLARE_WRITE8_MEMBER(m52_bgcontrol_w);
	DECLARE_WRITE8_MEMBER(m52_flipscreen_w);
	DECLARE_WRITE8_MEMBER(alpha1v_flipscreen_w);
	TILE_GET_INFO_MEMBER(get_tile_info);
	virtual void machine_reset();
	virtual void video_start();
	virtual void palette_init();
	UINT32 screen_update_m52(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};

/*----------- defined in video/m52.c -----------*/