Category: <b>DESQview/TopView and Quarterdeck programs</b>
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<pre><b>INT 2F - Quarterdeck RPCI - INSTALLATION CHECK</b>

	AX = D200h
	BX = 5144h ("QD")
	CX = 4D45h ("ME")
	DX = 4D30h ("M0")
Return: AL = FFh installed
	if BX,CX,DX registers were as specified on entry:
	    BX = 4D45h ("ME")
	    CX = 4D44h ("MD")
	    DX = 5652h ("VR")
Range:	AH=C0h to AH=FFh, selected by scanning AH=D2h-FFh, then AH=C0h-D1h
Notes:	the Quarterdeck RPCI (Resident Program Communication Interface) is
	  supported by QEMM v5.0+, QRAM, MANIFEST, VIDRAM, etc.
	for AL &lt;&gt; 0, if the BX/CX/DX values don't match the identifier of a
	  Quarterdeck product, it just chains to the previous INT 2F handler
SeeAlso: AX=D201h/BX=4849h,AX=D201h/BX=4D41h,AX=D201h/BX=4D45h
SeeAlso: AX=D201h/BX=5145h,AX=D201h/BX=5649h
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