Category: <b>virus/antivirus</b>
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<pre><b>INT 21 - VIRUS - "Yankee Doodle" or "MLTI" - INSTALLATION CHECK</b>

	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"
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