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From: Charles Sandmann <sandmann AT clio DOT rice DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: [HELP] New int handler messes up fprintf
Date: Tue, 06 Jun 1995 14:47:59 CDT
Organization: Rice University, Houston, Texas
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References: <gantose DOT 22 DOT 000B7026 AT lerc DOT nasa DOT gov>
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To: djgpp AT sun DOT soe DOT clarkson DOT edu
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> In my program, I install a new interrupt handler for the system timer (int 8) 
> so that I can get 64 ticks per second. After a while, I put the old interrupt 
> handler back. Later in the program, when I try to fprintf some values, the 

If you do this you must run under DPMI.  GO32 does not support restoring the
original timer, keyboard or mouse interrupt handlers.  A known bug, but GO32
is going away with V2.