www.delorie.com/archives/browse.cgi | search |
X-Authentication-Warning: | delorie.com: mail set sender to djgpp-bounces using -f |
Date: | Thu, 1 Nov 2007 20:46:59 -0400 |
Message-Id: | <200711020046.lA20kxob017037@envy.delorie.com> |
From: | DJ Delorie <dj AT delorie DOT com> |
To: | djgpp AT delorie DOT com |
In-reply-to: | <1193963270.088377.101010@22g2000hsm.googlegroups.com> (message |
from RayeR on Thu, 01 Nov 2007 17:27:50 -0700) | |
Subject: | Re: PM interrupt handling - how to call old old ISR with slower rate than my new ISR |
References: | <1193963270 DOT 088377 DOT 101010 AT 22g2000hsm DOT googlegroups DOT com> |
Errors-To: | nobody AT delorie DOT com |
X-Mailing-List: | djgpp AT delorie DOT com |
X-Unsubscribes-To: | listserv AT delorie DOT com |
You need to use the non-chained hook, and call the old one via one of the other DPMI functions... "call real mode procedure with IRET frame" For best performance, also hook the real-mode timer interrupt, else there'll be lots of mode switching.
webmaster | delorie software privacy |
Copyright © 2019 by DJ Delorie | Updated Jul 2019 |