Date: Thu, 12 Oct 2000 17:55:08 +0200
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Sender: halo1 AT zahav DOT net DOT il
To: gdemont AT my-deja DOT com
Message-Id: <7458-Thu12Oct2000175507+0300-eliz@is.elta.co.il>
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CC: djgpp AT delorie DOT com
In-reply-to: <8s4ini$g3i$1@nnrp1.deja.com> (gdemont@my-deja.com)
Subject: Re: Fine timing
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> From: gdemont AT my-deja DOT com
> Newsgroups: comp.os.msdos.djgpp
> Date: Thu, 12 Oct 2000 14:44:05 GMT
> 
> A small question: is a "middle" frequency timer
> available from djgpp run-time (say ~1Khz, i.e. a bit
> more than the 18.2 Hz of DOS)

Did you consider the CMOS real-time-clock timer?  It runs at 1024Hz by
default and triggers Int 70h on IRQ8 (IIRC).  By default, this clock's
interrupt is disabled, but you can enable it by writing appropriate
values into port 70h.