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Mail Archives: djgpp/2000/04/15/03:45:41

From: Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: THE -O2 PROBLEM - PART II
Organization: Pin Eight Software http://pineight.8m.com/
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NNTP-Posting-Date: Sat, 15 Apr 2000 00:43:46 GMT
Distribution: world
Date: Sat, 15 Apr 2000 00:43:46 GMT
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

On Sat, 15 Apr 2000 03:17:18 +0400, "Alexei A. Frounze"
<alex DOT fru AT mtu-net DOT ru> wrote:

>My keyborad IRQ0 ISR puts 1 to an array, if a key is pressed and puts 0, if it
>is released.
>
>But with optimizations enabled, I simply get faulty code, since compiler
>eliminates checking of the array. How to prevent this from optimizations?

Try comparing your keyboard handler against the Allegro library's.
If you wonder how to code something low-level on the DJGPP system,
the Allegro sources are often a good place to start.

-- 
Damian Yerrick
"I refuse to listen to those who refuse to listen to reason."
See the whole sig: http://www.rose-hulman.edu/~yerricde/sig.html

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