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From: | Schuster <Schuster AT eev DOT e-technik DOT uni-erlangen DOT de> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: Interrupts (Hardware) |
Date: | Tue, 08 Apr 1997 08:04:07 -0700 |
Organization: | Lehrstuhl fuer Elektrische Energieversorgung |
Lines: | 17 |
Message-ID: | <334A5E67.2E34@eev.e-technik.uni-erlangen.de> |
References: | <Pine DOT SUN DOT 3 DOT 95 DOT 970406144445 DOT 11066A-100000 AT rainbow> <Pine DOT SGI DOT 3 DOT 91 DOT 970407142951 DOT 17332A-100000 AT atmosp DOT physics DOT utoronto DOT ca> |
NNTP-Posting-Host: | eev6.e-technik.uni-erlangen.de |
Mime-Version: | 1.0 |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Peter Berdeklis wrote: > If you have a high interrupt frequency the time for the protected mode > switch may be too costly. In that case you need to install a second, > real mode handler to deal with the interrupt, when the machine is in real > mode, without a mode switch. I'm reading 12 input-values with the ISA Bus via Hadware interrupts at a frequency of ~12khz and a simple PM Handler, also I do some graphics (with Allegro) on the screen- works fine with a P90... ********************************************** Michael Schuster E-mail: Schuster AT eev DOT e-technik DOT uni-erlangen DOT de Lehrstuhl fuer Elektrische Energieversorgung http://www.eev.e-technik.uni-erlangen.de/
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