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class m58_state : public driver_device
{
public:
m58_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_yard_scroll_x_low(*this, "scroll_x_low"),
m_yard_scroll_x_high(*this, "scroll_x_high"),
m_yard_scroll_y_low(*this, "scroll_y_low"),
m_yard_score_panel_disabled(*this, "score_disable"){ }
/* memory pointers */
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_spriteram;
/* video-related */
tilemap_t* m_bg_tilemap;
required_shared_ptr<UINT8> m_yard_scroll_x_low;
required_shared_ptr<UINT8> m_yard_scroll_x_high;
required_shared_ptr<UINT8> m_yard_scroll_y_low;
required_shared_ptr<UINT8> m_yard_score_panel_disabled;
bitmap_ind16 *m_scroll_panel_bitmap;
DECLARE_WRITE8_MEMBER(yard_videoram_w);
DECLARE_WRITE8_MEMBER(yard_scroll_panel_w);
DECLARE_WRITE8_MEMBER(yard_flipscreen_w);
DECLARE_DRIVER_INIT(yard85);
TILE_GET_INFO_MEMBER(yard_get_bg_tile_info);
TILEMAP_MAPPER_MEMBER(yard_tilemap_scan_rows);
};
/*----------- defined in video/m58.c -----------*/
PALETTE_INIT( yard );
VIDEO_START( yard );
SCREEN_UPDATE_IND16( yard );
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