From: carty AT lerc DOT nasa DOT gov (Clark Carty) Newsgroups: comp.os.msdos.djgpp Subject: IRQ0, INT8, TimerCounter0, and LIBHW Date: Wed, 05 Mar 1997 17:05:50 GMT Organization: ADF, Inc. Lines: 12 Message-ID: <331da716.4515351@newsread.lerc.nasa.gov> NNTP-Posting-Host: carty.lerc.nasa.gov Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Hello, I need to write some code that replaces the ISR for the 18.2 ticks per second ISR with my own ISR that generates and INT every 1ms, but also keeps track of how many times its called (about 55) and then calls the old ISR. Anybody have any sample code either from DJGPP _dpmi or _do32 calls or from the LibHW functions? Thanks Clark