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From: Charles Sandmann <sandmann AT clio DOT rice DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Mouse code - What am I doing wrong?
Date: Wed, 10 Jan 1996 21:11:44 CST
Organization: Rice University, Houston, Texas
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Message-ID: <30f47ff0.sandmann@clio.rice.edu>
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> I'm trying to use int 33 function C to set up an interrupt handler for
> the mouse. The following code causes a GPF when int86x is called.
> What an I doing wrong?

Calling int86x.  Don't do that.  You're passing a real mode segement.
Use one of the dpmi simulate interrupt subroutines instead.
And don't forget to lock the memory.