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class wwfsstar_state : public driver_device
{
public:
wwfsstar_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_spriteram(*this, "spriteram"),
m_fg0_videoram(*this, "fg0_videoram"),
m_bg0_videoram(*this, "bg0_videoram"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_gfxdecode(*this, "gfxdecode") { }
int m_vblank;
int m_scrollx;
int m_scrolly;
required_shared_ptr<UINT16> m_spriteram;
required_shared_ptr<UINT16> m_fg0_videoram;
required_shared_ptr<UINT16> m_bg0_videoram;
tilemap_t *m_fg0_tilemap;
tilemap_t *m_bg0_tilemap;
DECLARE_WRITE16_MEMBER(wwfsstar_scrollwrite);
DECLARE_WRITE16_MEMBER(wwfsstar_soundwrite);
DECLARE_WRITE16_MEMBER(wwfsstar_flipscreen_w);
DECLARE_WRITE16_MEMBER(wwfsstar_irqack_w);
DECLARE_WRITE16_MEMBER(wwfsstar_fg0_videoram_w);
DECLARE_WRITE16_MEMBER(wwfsstar_bg0_videoram_w);
DECLARE_CUSTOM_INPUT_MEMBER(wwfsstar_vblank_r);
TILE_GET_INFO_MEMBER(get_fg0_tile_info);
TILEMAP_MAPPER_MEMBER(bg0_scan);
TILE_GET_INFO_MEMBER(get_bg0_tile_info);
virtual void video_start();
UINT32 screen_update_wwfsstar(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(wwfsstar_scanline);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect );
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<gfxdecode_device> m_gfxdecode;
};
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