Int 21/AH=C0h

AH = C0h

Return:
AX = 0300h if "Slow"/"Zerotime" resident
AX = 1234h if "Solano" resident

See Also: AX=BE00h - AX=C000h"VIRUS" - AX=C301h"VIRUS"

Category: Viruses - Int 21h - V