INT 2F U - Explosiv 2.00 - INSTALLATION CHECK AX = C050h Return: AL = 51h if installed Program: Explosiv is a shareware animated screen blanker for DOS and Windows 3 by Reidar Gresseth and Chris Hook Note: AH=C0h is the default multiplex number, but may be reconfigured to any value from C0h to C9h SeeAlso: AX=C052h Index: screen saver;Explosiv .