INT 17 - PC-MOS/386 v5.01 - PRINT SPOOLER - PRINT STRING                        
	AH = 03h
	DX = printer port number
	CX = number of characters to print
	DS:SI -> string
Return: AH = printer status (see #00631)
	CX = number of characters actually printed
Desc:	send an entire string of chars to the print spooler with a single call
Program: PC-MOS/386 v5.01 is a multitasking, multiuser MS-DOS 5.0-compatible
	  operating system by The Software Link, Inc.
SeeAlso: AH=00h,AH=01h,AH=02h,AH=FFh"PC-MOS"