INT 17 - Alloy MW386 - SPOOL(Simultaneous Peripheral Operation OnLine)  The process of performing output to a slow peripheral such as a printer while other tasks continue running on the CPU.  This term dates back to mainframe days before the invention of timesharing. COPY OF FILE
	AH = A0h
	AL = mode
	    00h NTNX compatibility
		DX = ??? (NTNX, MW386 v1.x only)
	    02h MW386 v2+
		BX = logical device number
		    00h-03h = LPT1-LPT4
		    04h-07h = COM1-COM4
	CX:SI -> ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. pathname
Return: AL = status (see #00642)
Notes:	makes a copy of the specified file in the spooler's directory, allowing
	  the original file to be modified or deleted while the copy is printed
	in mode 00h, the file is printed on logical LPT1
SeeAlso: AH=90h