INT 13 - FAST! v4.02+ - UNHOOK INTERRUPTS

	AX = 8007h
	CX = 6572h
	DX = 1970h
	ES:BX -> request packet (see #00296)
Return: AX = 1965h if installed
SeeAlso: AH=80h,AX=8006h
Index:	uninstall;FAST!