format  void SPR_GetStatus (SprSpStatus * spStatus)
 Input  None
 Output  SprSpStatus: Status return area pointer
 Function value  None
 Function  Acquires sprite control information. 

  format  void SPR_SetEraseData (Uint16 eraseData, Uint16 leftX, Uint16 topY,
  (Uint16 rightX, Uint16 botY)
 Input  eraseData: RGB erase data
  leftX: Erase area left edge X coordinate
  topY: Top Y coordinate of the erase area
:  rightX: Erase area right edge X coordinate
  botY: Erase area bottom Y coordinate
 Output  None
 Function value  None
 Function  Specify what color and what range to fill when the erase process is executed. 

  format  void SPR_WaitDrawEnd (void)
 Input  None
 Output  None
 Function value  None
 Function  Wait for VDP1 to finish drawing in the frame buffer. This routine is V-
 Called from the BLANKVDP interrupt processing routine.