INT 7F - G8BPQ v4.07+ - HOST MODE - ALLOCATE/DEALLOCATE STREAM                  
	AH = 0Dh
	AL = stream number (01h-FFh)
	CL = function
	    01h allocate stream
		Return: CX = status (0000h successful, else already in use)
	    02h deallocate stream
SeeAlso: AX=0D00h