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/*************************************************************************
Double Dragon 3 & The Combatribes
*************************************************************************/
typedef struct _ddragon3_state ddragon3_state;
struct _ddragon3_state
{
/* memory pointers */
UINT16 * bg_videoram;
UINT16 * fg_videoram;
UINT16 * spriteram;
// UINT16 * paletteram; // currently this uses generic palette handling
/* video-related */
tilemap *fg_tilemap, *bg_tilemap;
UINT16 vreg;
UINT16 bg_scrollx;
UINT16 bg_scrolly;
UINT16 fg_scrollx;
UINT16 fg_scrolly;
UINT16 bg_tilebase;
/* misc */
UINT16 io_reg[8];
/* devices */
const device_config *maincpu;
const device_config *audiocpu;
};
/*----------- defined in video/ddragon3.c -----------*/
extern WRITE16_HANDLER( ddragon3_bg_videoram_w );
extern WRITE16_HANDLER( ddragon3_fg_videoram_w );
extern WRITE16_HANDLER( ddragon3_scroll_w );
extern READ16_HANDLER( ddragon3_scroll_r );
extern VIDEO_START( ddragon3 );
extern VIDEO_UPDATE( ddragon3 );
extern VIDEO_UPDATE( ctribe );
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