INT 4B - TI Professional PC - PARALLEL PORT - OUTPUT CHARACTER

	AH = 00h
	DL = printer number (00h)
	AL = character to print
Return: AH = printer status (see #03216)
Note:	on the TI Pro, the BIOS only supports DL=00h; MS-DOS versions for the
	  TI hook INT 4B and handle requests for DL<>00h
SeeAlso: AH=01h,AH=02h,INT 17/AH=00h
SeeAlso: INT 40"TI Professional",INT 48/AH=00h"TI Professional"
SeeAlso: INT 49/AH=01h"TI",INT 4C"TI Professional",INT 4D/AH=00h