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class wc90b_state : public driver_device
{
public:
wc90b_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_fgvideoram(*this, "fgvideoram"),
m_bgvideoram(*this, "bgvideoram"),
m_txvideoram(*this, "txvideoram"),
m_scroll1x(*this, "scroll1x"),
m_scroll2x(*this, "scroll2x"),
m_scroll1y(*this, "scroll1y"),
m_scroll2y(*this, "scroll2y"),
m_scroll_x_lo(*this, "scroll_x_lo"),
m_spriteram(*this, "spriteram"){ }
int m_msm5205next;
int m_toggle;
required_shared_ptr<UINT8> m_fgvideoram;
required_shared_ptr<UINT8> m_bgvideoram;
required_shared_ptr<UINT8> m_txvideoram;
required_shared_ptr<UINT8> m_scroll1x;
required_shared_ptr<UINT8> m_scroll2x;
required_shared_ptr<UINT8> m_scroll1y;
required_shared_ptr<UINT8> m_scroll2y;
required_shared_ptr<UINT8> m_scroll_x_lo;
tilemap_t *m_tx_tilemap;
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg_tilemap;
required_shared_ptr<UINT8> m_spriteram;
DECLARE_WRITE8_MEMBER(wc90b_bankswitch_w);
DECLARE_WRITE8_MEMBER(wc90b_bankswitch1_w);
DECLARE_WRITE8_MEMBER(wc90b_sound_command_w);
DECLARE_WRITE8_MEMBER(adpcm_data_w);
DECLARE_WRITE8_MEMBER(wc90b_bgvideoram_w);
DECLARE_WRITE8_MEMBER(wc90b_fgvideoram_w);
DECLARE_WRITE8_MEMBER(wc90b_txvideoram_w);
DECLARE_WRITE8_MEMBER(adpcm_control_w);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
TILE_GET_INFO_MEMBER(get_tx_tile_info);
virtual void video_start();
UINT32 screen_update_wc90b(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
/*----------- defined in video/wc90b.c -----------*/
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