From: Groman <groman AT tfz DOT net>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: usleep/delay/sleep ?
Date: Sat, 14 Aug 1999 22:26:37 -0700
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

to achieve best results, program the timers yourself in assembly

Simon Redwood wrote:

> I am new to using djgpp under dos, being a unix programmer.  I am having
> trouble with delays.
>
> Can I rely on usleep to give me accurate timings.
>
> Giving usleep a value of 10000-12500 produces the same delay, whereas 13000
> gives the same as 20000, where I am going wrong.
>
> I would like to put a delay into a loop of about 1/100 sec. how is the best
> way to acheive this
>
> I am also looking to work with microprocessors where I will need accurate
> timings of nanoseconds, how can this be best acheived.
>
> TIA
>
> Simon