text: /*************************************************************************
  
      Rollergames
  
  *************************************************************************/
  
  class rollerg_state : public driver_data_t
  {
  public:
  	static driver_data_t *alloc(running_machine &machine) { return auto_alloc_clear(&machine, rollerg_state(machine)); }
  
  	rollerg_state(running_machine &machine)
  		: driver_data_t(machine) { }
  
  	/* memory pointers */
  //  UINT8 *    paletteram;    // currently this uses generic palette handling
  
  	/* video-related */
  	int        sprite_colorbase, zoom_colorbase;
  
  	/* misc */
  	int        readzoomroms;
  
  	/* devices */
  	running_device *maincpu;
  	running_device *audiocpu;
  	running_device *k053260;
  	running_device *k053244;
  	running_device *k051316;
  };
  
  /*----------- defined in video/rollerg.c -----------*/
  
  extern void rollerg_sprite_callback(running_machine *machine, int *code,int *color,int *priority_mask);
  extern void rollerg_zoom_callback(running_machine *machine, int *code,int *color,int *flags);
  
  VIDEO_START( rollerg );
  VIDEO_UPDATE( rollerg );
  