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class bbusters_state : public driver_data_t
{
public:
static driver_data_t *alloc(running_machine &machine) { return auto_alloc_clear(&machine, bbusters_state(machine)); }
bbusters_state(running_machine &machine)
: driver_data_t(machine) { }
UINT16 *videoram;
UINT16 *ram;
UINT16 *eprom_data;
int sound_status;
int gun_select;
tilemap_t *fix_tilemap;
tilemap_t *pf1_tilemap;
tilemap_t *pf2_tilemap;
const UINT8 *scale_table_ptr;
UINT8 scale_line_count;
UINT16 *pf1_data;
UINT16 *pf2_data;
UINT16 *pf1_scroll_data;
UINT16 *pf2_scroll_data;
};
/*----------- defined in video/bbusters.c -----------*/
VIDEO_START( bbuster );
VIDEO_START( mechatt );
VIDEO_UPDATE( bbuster );
VIDEO_UPDATE( mechatt );
WRITE16_HANDLER( bbusters_pf1_w );
WRITE16_HANDLER( bbusters_pf2_w );
WRITE16_HANDLER( bbusters_video_w );
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