www.delorie.com/djgpp/doc/rbinter/33.html   search  
21C603

Category: virus/antivirus

INT 21 - VIRUS - "Yankee Doodle" or "MLTI" - INSTALLATION CHECK

	AX = C603h
	BX = version number (002Ch or 002Dh)
	CF set
Return: CF clear if resident
	ZF set if resident and input BX matches version
SeeAlso: AX=C500h"VIRUS",AX=C700h"VIRUS"

  webmaster   donations   bookstore     delorie software   privacy  
  Copyright 2000   by Ralf Brown     Updated Jul 2000