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21FFFF

Category: virus/antivirus

INT 21 - VIRUS - "Ontario", "Year 1992"/"B1M92" - INSTALLATION CHECK

	AX = FFFFh
Return: AX = 0000h if "Ontario" resident
	AX = 1992h if "Year 1992"/"B1M92" resident
SeeAlso: AX=FF0Fh,AX=FFFFh/CX=0000h,INT 6B"VIRUS"

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