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330070BXABCD

Category: mouse/pointing device

INT 33 - Mouse Systems MOUSE DRIVER - POPUP.COM - INSTALLATION CHECK

	AX = 0070h
	BX = ABCDh
Return: AX = ABCDh if installed
	    BX:CX -> data structure (see #03188)
Notes:	this function is also supported by the Genius Mouse 9.06 driver
	the v7.01 POPUP.COM and menu drivers also check for the signature
	  CDh ABh BAh DCh at offset -2Ch from the interrupt handler
	if POPUP is not loaded, the returned data structure contains the proper
	  signature at offset 00h, but not at offset 08h


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