Date: Tue, 4 Apr 2000 05:39:14 +0600 (LKT) From: Kalum Somaratna aka Grendel X-Sender: root AT darkstar DOT grendel DOT net To: djgpp AT delorie DOT com Subject: Re: Allegro and interrupts In-Reply-To: <38E8DDE0.58645519@americasm01.nt.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Reply-To: djgpp AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk On Mon, 3 Apr 2000, Campbell, Rolf [SKY:1U32:EXCH] 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. > > > > FWIW Even the allegro game programming library comes with a integer based > > floating point emulation rountines. > > > > 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... I agree Rolf..I too have a athlon and It's FPU handling is awesome... Grendel Hi, I'm a signature virus. plz set me as your signature and help me spread :)