INT 17 - Alloy NTNX, MW386 - SET NUMBER OF COPIES                               
	AH = 83h
	AL = mode
	    00h NTNX compatibility
		CL = number of copies (max 99, default 1)
	    02h MW386 v2+
		BX = logical device number
		    00h-03h = LPT1-LPT4
		    04h-07h = COM1-COM4
		CX = number of copies
Return: AL = status (see #00642)
Note:	in NTNX compatibility mode, this function only affects LPT1