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/***************************************************************************
B-Wings
***************************************************************************/
#define BW_DEBUG 0
class bwing_state : public driver_device
{
public:
bwing_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_bwp1_sharedram1(*this, "bwp1_sharedram1"),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_paletteram(*this, "paletteram"),
m_bwp2_sharedram1(*this, "bwp2_sharedram1"),
m_bwp3_rombase(*this, "bwp3_rombase"){ }
/* memory pointers */
required_shared_ptr<UINT8> m_bwp1_sharedram1;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_paletteram;
required_shared_ptr<UINT8> m_bwp2_sharedram1;
required_shared_ptr<UINT8> m_bwp3_rombase;
/* video-related */
tilemap_t *m_charmap;
tilemap_t *m_fgmap;
tilemap_t *m_bgmap;
UINT8 *m_srbase[4];
UINT8 *m_fgdata;
UINT8 *m_bgdata;
int *m_srxlat;
unsigned m_sreg[8];
unsigned m_palatch;
unsigned m_srbank;
unsigned m_mapmask;
unsigned m_mapflip;
/* sound-related */
int m_bwp3_nmimask;
int m_bwp3_u8F_d;
/* misc */
UINT8 *m_bwp123_membase[3];
/* device */
cpu_device *m_maincpu;
cpu_device *m_subcpu;
cpu_device *m_audiocpu;
DECLARE_WRITE8_MEMBER(bwp12_sharedram1_w);
DECLARE_WRITE8_MEMBER(bwp3_u8F_w);
DECLARE_WRITE8_MEMBER(bwp3_nmimask_w);
DECLARE_WRITE8_MEMBER(bwp3_nmiack_w);
DECLARE_READ8_MEMBER(bwp1_io_r);
DECLARE_WRITE8_MEMBER(bwp1_ctrl_w);
DECLARE_WRITE8_MEMBER(bwp2_ctrl_w);
DECLARE_WRITE8_MEMBER(bwing_spriteram_w);
DECLARE_WRITE8_MEMBER(bwing_videoram_w);
DECLARE_READ8_MEMBER(bwing_scrollram_r);
DECLARE_WRITE8_MEMBER(bwing_scrollram_w);
DECLARE_WRITE8_MEMBER(bwing_scrollreg_w);
DECLARE_WRITE8_MEMBER(bwing_paletteram_w);
DECLARE_INPUT_CHANGED_MEMBER(coin_inserted);
DECLARE_INPUT_CHANGED_MEMBER(tilt_pressed);
DECLARE_DRIVER_INIT(bwing);
TILE_GET_INFO_MEMBER(get_fgtileinfo);
TILE_GET_INFO_MEMBER(get_bgtileinfo);
TILE_GET_INFO_MEMBER(get_charinfo);
TILEMAP_MAPPER_MEMBER(bwing_scan_cols);
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
};
/*----------- defined in video/bwing.c -----------*/
extern const gfx_layout bwing_tilelayout;
SCREEN_UPDATE_IND16( bwing );
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