INT 2F - AD-DOS - GET BLANKER STATUS                                            
	AX = C006h
Return: AL = 00h if successful
	    BX = current state of screen blanker (0000h inactive, 0001h active)
Program: AD-DOS is the DOS version of the After Dark screen blanker for
	  MS Windows
Range:	AH=C0h to AH=FFh, selected by scanning for first free multiplex number
SeeAlso: AX=C000h"AD-DOS",AX=C005h"AD-DOS"
Index:	screen saver;AD-DOS