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class shadfrce_state : public driver_device
{
public:
shadfrce_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_fgvideoram(*this, "fgvideoram"),
m_bg0videoram(*this, "bg0videoram"),
m_bg1videoram(*this, "bg1videoram"),
m_spvideoram(*this, "spvideoram"){ }
tilemap_t *m_fgtilemap;
tilemap_t *m_bg0tilemap;
tilemap_t *m_bg1tilemap;
required_shared_ptr<UINT16> m_fgvideoram;
required_shared_ptr<UINT16> m_bg0videoram;
required_shared_ptr<UINT16> m_bg1videoram;
required_shared_ptr<UINT16> m_spvideoram;
UINT16 *m_spvideoram_old;
int m_video_enable;
int m_irqs_enable;
int m_raster_scanline;
int m_raster_irq_enable;
int m_vblank;
int m_prev_value;
DECLARE_WRITE16_MEMBER(shadfrce_flip_screen);
DECLARE_READ16_MEMBER(shadfrce_input_ports_r);
DECLARE_WRITE16_MEMBER(shadfrce_sound_brt_w);
DECLARE_WRITE16_MEMBER(shadfrce_irq_ack_w);
DECLARE_WRITE16_MEMBER(shadfrce_irq_w);
DECLARE_WRITE16_MEMBER(shadfrce_scanline_w);
DECLARE_WRITE16_MEMBER(shadfrce_fgvideoram_w);
DECLARE_WRITE16_MEMBER(shadfrce_bg0videoram_w);
DECLARE_WRITE16_MEMBER(shadfrce_bg1videoram_w);
DECLARE_WRITE16_MEMBER(shadfrce_bg0scrollx_w);
DECLARE_WRITE16_MEMBER(shadfrce_bg0scrolly_w);
DECLARE_WRITE16_MEMBER(shadfrce_bg1scrollx_w);
DECLARE_WRITE16_MEMBER(shadfrce_bg1scrolly_w);
DECLARE_WRITE8_MEMBER(oki_bankswitch_w);
TILE_GET_INFO_MEMBER(get_shadfrce_fgtile_info);
TILE_GET_INFO_MEMBER(get_shadfrce_bg0tile_info);
TILE_GET_INFO_MEMBER(get_shadfrce_bg1tile_info);
virtual void video_start();
UINT32 screen_update_shadfrce(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void screen_eof_shadfrce(screen_device &screen, bool state);
};
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