Category: <b>virus/antivirus</b>
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<pre><b>INT 2F - TBSCANX - INSTALLATION CHECK</b>

	AX = CA00h
	BX = 5442h ('TB')
Return: AL = state
	    00h not installed
	    FFh installed
		BX = 7462h ('tb') if BX was 5442h on entry
Program: TBSCANX is a resident virus scanning module by Frans Veldman.
Notes:	programs may perform virus checks on themselves, other program files,
	  or their data files by invoking the TBSCANX API.
	current versions of TBScanX don't actually check the value of BX
SeeAlso: AX=4653h/CX=0002h,AX=4653h/CX=0007h,AX=C900h
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