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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) ,
m_bg_videoram(*this, "bg_videoram"),
m_fg_videoram(*this, "fg_videoram"),
m_spriteram(*this, "spriteram"){ }
/* memory pointers */
required_shared_ptr<UINT16> m_bg_videoram;
required_shared_ptr<UINT16> m_fg_videoram;
required_shared_ptr<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;
DECLARE_WRITE16_MEMBER(ddragon3_io_w);
DECLARE_WRITE16_MEMBER(ddragon3_scroll_w);
DECLARE_READ16_MEMBER(ddragon3_scroll_r);
DECLARE_WRITE16_MEMBER(ddragon3_bg_videoram_w);
DECLARE_WRITE16_MEMBER(ddragon3_fg_videoram_w);
DECLARE_WRITE8_MEMBER(oki_bankswitch_w);
};
/*----------- defined in video/ddragon3.c -----------*/
extern VIDEO_START( ddragon3 );
extern SCREEN_UPDATE_IND16( ddragon3 );
extern SCREEN_UPDATE_IND16( ctribe );
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