INT 17 - Emulaser ELTSR - GET TRUE ScrlLk STATE AH = 0Dh Return: AX = state (0000h off, 0010h on) Desc: determine the actual state of ScrlLk even when Emulaser is controlling the ScrlLk light as its activity indicator SeeAlso: AH=0Ch,INT 16/AH=02h,INT 1A/AH=E5h