AX = 2080h Return:AH = 00h if resident (normal DOS return would be AX = 2000h)
Return:AH = 00h if resident (normal DOS return would be AX = 2000h)
See Also: INT 21/AX=18FFh"VIRUS" - INT 21/AX=2C2Ch"VIRUS"
Category: Viruses - Int 21h - V
