Message-ID:	<3E48F219.8FB9B40B@yahoo.com>
From:	CBFalconer <cbfalconer AT yahoo DOT com>
Organization:	Ched Research
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Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: how to make a Timer
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Date:	Tue, 11 Feb 2003 13:28:37 GMT
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Ben Peddell wrote:
> 
> Why not make use of RDTSC? Just divide it by 84 for every 100MHz of CPU
> speed. (i.e. for a 1GHz [100MHz x 10] processor, divide by 840; for a
> processor with a 13.5x multiplier on a 143MHz FSB [1933MHz], divide by
> 1620.)

Please do not toppost.  RDTSC will cause a bad opcode trap on a
486, or a 386, both of which are suitable processors for the DJGPP
system.  Bad idea.

-- 
Chuck F (cbfalconer AT yahoo DOT com) (cbfalconer AT worldnet DOT att DOT net)
   Available for consulting/temporary embedded and systems.
   <http://cbfalconer.home.att.net>  USE worldnet address!

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