Category: <b>virus/antivirus</b>
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<pre><b>INT 21 - VIRUS - "Mabuhay"/"June 12th" - INSTALLATION CHECK</b>

	AH = EFh
Return: AX = 025Bh if resident
SeeAlso: AX=EC27h"VIRUS",AH=EEh"VIRUS",AH=F0h"VIRUS"
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