INT 14 - DimVGA v3.4 - SET LOCKING STATUS                                       
	AX = AA0Fh
	BX = locking status
	    0000h disabled
	    0001h enabled
Return: AX = FFFFh
SeeAlso: AX=AA01h,AX=AA0Dh,AX=AA10h
Index:	screen saver;DimVGA