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class spbactn_state : public driver_device
{
public:
spbactn_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_bgvideoram(*this, "bgvideoram"),
m_fgvideoram(*this, "fgvideoram"),
m_spvideoram(*this, "spvideoram"){ }
required_shared_ptr<UINT16> m_bgvideoram;
required_shared_ptr<UINT16> m_fgvideoram;
required_shared_ptr<UINT16> m_spvideoram;
bitmap_ind16 m_tile_bitmap_bg;
bitmap_ind16 m_tile_bitmap_fg;
DECLARE_WRITE16_MEMBER(soundcommand_w);
virtual void video_start();
UINT32 screen_update_spbactn(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
};
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