INT 21 - VIRUS - "Diamond-A", "Diamond-B" - INSTALLATION CHECK
	AX = D5AAh
Return: AX = 2A55h if "Diamond-A" resident
	AX = 2A03h if "Diamond-B"-family virusA program which attaches itself to other programs for the purpose of duplicating itself.	Viruses often (but not always) contain harmful code which is triggered by some event, after a certain number of reproductions, or on a specific date.  See also worm. resident
SeeAlso: AX=D000h,AH=D5h"VIRUS",AX=D5AAh/BP=DEAAh