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/*************************************************************************
Double Dragon 3 & The Combatribes
*************************************************************************/
class ddragon3_state : public driver_device
{
public:
ddragon3_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
/* memory pointers */
UINT16 * m_bg_videoram;
UINT16 * m_fg_videoram;
UINT16 * m_spriteram;
// UINT16 * m_paletteram; // currently this uses generic palette handling
/* video-related */
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg_tilemap;
UINT16 m_vreg;
UINT16 m_bg_scrollx;
UINT16 m_bg_scrolly;
UINT16 m_fg_scrollx;
UINT16 m_fg_scrolly;
UINT16 m_bg_tilebase;
/* misc */
UINT16 m_io_reg[8];
/* devices */
device_t *m_maincpu;
device_t *m_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 SCREEN_UPDATE( ddragon3 );
extern SCREEN_UPDATE( ctribe );
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