INT 10 - VIDEO - Hercules GRAFIX - "TEXT" - DISPLAY CHARACTER

	AH = 4Bh
	AL = character to display
	DI = x (0-719)
	BP = y (0-347)
Return: nothing
Notes:	unlike the other BIOS character functions character position is
	  specified in pixels rather than rows and columns
	the character is writting using the drawing function last specified by
	  AH=44h
SeeAlso: AH=09h,AH=0Ah,AH=44h