From: Charles Sandmann <sandmann AT clio DOT rice DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re:   Jump from timer interrupt?
Date: Wed, 30 Apr 2003 22:14:19 CDT
Organization: Rice University, Houston, TX
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> problem: Because I use my own timer interrupt, 
> the PC clock will not be updated during the time I run
> the sequencer. Is it possible to jump from my interrupt routine
> to the PC timer interrupt once in a while, to update the PC clock
> at 18.2 Hz? 

You can not jump out of your interrupt routine - but you can chain to 
the original interrupt routine ocassionally to keep the clock up
to date.  I don't know if the c wrappers allow this (you would have
to study them closely) - you might need to write your own wrapper.