Int 21 Fn 4BFE - Virus - "hitchcock", "dark Avenger-1028", "1193" - Inst [v] AX = 4BFEh Return: AX = 1234h if "Hitchcock" resident AX = ABCDh if "1193"/"Copyright" resident DI = 55BBh if "Dark Avenger-1028" resident See Also: AX=4BDDh,AX=4BFFh"Justice"