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class welltris_state : public driver_device
{
public:
welltris_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
int m_pending_command;
UINT16 *m_spriteram;
UINT16 *m_pixelram;
UINT16 *m_charvideoram;
tilemap_t *m_char_tilemap;
UINT8 m_gfxbank[8];
UINT16 m_charpalettebank;
UINT16 m_spritepalettebank;
UINT16 m_pixelpalettebank;
int m_scrollx;
int m_scrolly;
};
/*----------- defined in video/welltris.c -----------*/
//READ16_HANDLER( welltris_spriteram_r );
WRITE16_HANDLER( welltris_spriteram_w );
WRITE16_HANDLER( welltris_palette_bank_w );
WRITE16_HANDLER( welltris_gfxbank_w );
WRITE16_HANDLER( welltris_charvideoram_w );
WRITE16_HANDLER( welltris_scrollreg_w );
VIDEO_START( welltris );
SCREEN_UPDATE( welltris );
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