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class seicross_state : public driver_device
{
public:
seicross_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_spriteram(*this, "spriteram"),
m_videoram(*this, "videoram"),
m_row_scroll(*this, "row_scroll"),
m_spriteram2(*this, "spriteram2"),
m_colorram(*this, "colorram"),
m_nvram(*this, "nvram"){ }
required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_row_scroll;
required_shared_ptr<UINT8> m_spriteram2;
required_shared_ptr<UINT8> m_colorram;
optional_shared_ptr<UINT8> m_nvram;
UINT8 m_portb;
tilemap_t *m_bg_tilemap;
UINT8 m_irq_mask;
DECLARE_WRITE8_MEMBER(seicross_videoram_w);
DECLARE_WRITE8_MEMBER(seicross_colorram_w);
DECLARE_READ8_MEMBER(friskyt_portB_r);
DECLARE_WRITE8_MEMBER(friskyt_portB_w);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
virtual void machine_reset();
virtual void video_start();
virtual void palette_init();
UINT32 screen_update_seicross(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
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