From: Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Allegro and interrupts
Organization: Pin Eight Software  http://pineight.8m.com/
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References: <Pine DOT LNX DOT 4 DOT 10 DOT 10004021749430 DOT 916-100000 AT darkstar DOT grendel DOT net> <38E8DDE0 DOT 58645519 AT americasm01 DOT nt DOT com>
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NNTP-Posting-Date: Wed, 05 Apr 2000 04:19:39 GMT
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Date: Wed, 05 Apr 2000 04:19:39 GMT
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

On Mon, 03 Apr 2000 14:07:28 -0400, "Campbell, Rolf [SKY:1U32:EXCH]"
<moscoop AT americasm01 DOT nt DOT com> wrote:

>Kalum Somaratna aka Grendel wrote:
>
>> I must confess that my panic at using FPU insns in game programming comes
>> from the fact that I learnt game programming in the time when using the
>> FPU was slooow, and everyone wrote code using sin and cos lookup tables
>> etc.

Same here.

>> FWIW Even the allegro game programming library comes with a integer based
>> floating point emulation rountines.

yup.  And I use them.

>> I certainly agree that speed of FPU rountines vs integer rountines are
>> norrowing. I once read that on a certain processor the fmul was faster
>> than the imul...
>
>You should see the timings on the Athlon's.  FPU stuff is amazingly fast, but
>even an imul is 1-2 clocks...

/me drools...

How much does a good Athlon box cost?  I want to dual-boot Linux and
DOS/Windows 98.

-- 
Damian Yerrick
"I refuse to listen to those who refuse to listen to reason."
See the whole sig: http://www.rose-hulman.edu/~yerricde/sig.html

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