INT 17 U - Emulaser ELTSR - PRINT CAPTURE FILE???                               
	AH = 09h
	BX = ???
	CX = ???
	DX = printer port (01h COM1, 02h COM2, 05h LPT1, 06h LPT2)
Return: AX = status
	    00h successful
	    FFh failed
Program: ELTSR is the resident portion of the Emulaser PostScript emulator by
	  Vertisoft Systems, Inc.
Note:	this function calls through to INT 1A/AX=E401h, and thus requires
	  that either ELSPL or Disk Spool II be installed
SeeAlso: AH=0Ah,INT 1A/AX=E401h,INT 1A/AH=E5h