INT 21 - VIRUS - Major BBS - INSTALLATION CHECK AX = ABCDh Return: AX = 1234h if installed SeeAlso: AH=ABh"VIRUS",AX=ABCDh"SuperVirus"
INT 21 - VIRUS - "SuperVirus 2" - INSTALLATION CHECK AX = ABCDh Return: AX = DCBAh if resident SeeAlso: AX=ABCDh"VIRUS",AX=BBBBh"VIRUS"