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class vastar_state : public driver_device
{
public:
vastar_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_bg1videoram(*this, "bg1videoram"),
m_bg2videoram(*this, "bg2videoram"),
m_fgvideoram(*this, "fgvideoram"),
m_bg1_scroll(*this, "bg1_scroll"),
m_bg2_scroll(*this, "bg2_scroll"),
m_sprite_priority(*this, "sprite_priority"),
m_sharedram(*this, "sharedram"),
m_spriteram1(*this, "spriteram1"),
m_spriteram2(*this, "spriteram2"),
m_spriteram3(*this, "spriteram3"){ }
required_shared_ptr<UINT8> m_bg1videoram;
required_shared_ptr<UINT8> m_bg2videoram;
required_shared_ptr<UINT8> m_fgvideoram;
required_shared_ptr<UINT8> m_bg1_scroll;
required_shared_ptr<UINT8> m_bg2_scroll;
required_shared_ptr<UINT8> m_sprite_priority;
required_shared_ptr<UINT8> m_sharedram;
required_shared_ptr<UINT8> m_spriteram1;
required_shared_ptr<UINT8> m_spriteram2;
required_shared_ptr<UINT8> m_spriteram3;
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg1_tilemap;
tilemap_t *m_bg2_tilemap;
UINT8 m_nmi_mask;
DECLARE_WRITE8_MEMBER(vastar_hold_cpu2_w);
DECLARE_READ8_MEMBER(vastar_sharedram_r);
DECLARE_WRITE8_MEMBER(vastar_sharedram_w);
DECLARE_WRITE8_MEMBER(flip_screen_w);
DECLARE_WRITE8_MEMBER(nmi_mask_w);
DECLARE_WRITE8_MEMBER(vastar_fgvideoram_w);
DECLARE_WRITE8_MEMBER(vastar_bg1videoram_w);
DECLARE_WRITE8_MEMBER(vastar_bg2videoram_w);
DECLARE_READ8_MEMBER(vastar_bg1videoram_r);
DECLARE_READ8_MEMBER(vastar_bg2videoram_r);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
TILE_GET_INFO_MEMBER(get_bg1_tile_info);
TILE_GET_INFO_MEMBER(get_bg2_tile_info);
};
/*----------- defined in video/vastar.c -----------*/
VIDEO_START( vastar );
SCREEN_UPDATE_IND16( vastar );
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