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class portrait_state : public driver_device
{
public:
portrait_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_spriteram(*this, "spriteram"){ }
required_shared_ptr<UINT8> m_bgvideoram;
required_shared_ptr<UINT8> m_fgvideoram;
int m_scroll;
tilemap_t *m_foreground;
tilemap_t *m_background;
required_shared_ptr<UINT8> m_spriteram;
DECLARE_WRITE8_MEMBER(portrait_ctrl_w);
DECLARE_WRITE8_MEMBER(portrait_positive_scroll_w);
DECLARE_WRITE8_MEMBER(portrait_negative_scroll_w);
DECLARE_WRITE8_MEMBER(portrait_bgvideo_write);
DECLARE_WRITE8_MEMBER(portrait_fgvideo_write);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
virtual void video_start();
virtual void palette_init();
UINT32 screen_update_portrait(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
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