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Re: [Qemu-devel] [PATCH] PC speaker emulation (fixed)


From: Johannes Schindelin
Subject: Re: [Qemu-devel] [PATCH] PC speaker emulation (fixed)
Date: Fri, 20 Jan 2006 14:03:56 +0100 (CET)

Hi,

On Fri, 20 Jan 2006, Joachim Henke wrote:

> Thanks for the hint! I assume, the reason, why floating point calculations
> should be avoided, is to be compatible with processors like ARM, that don't
> necessarily have an FPU.
> 
> Yes, I'll rewrite the waveform generation stuff to fit in fixed point. It
> should also be faster then.

FWIW, I tried to "fix" some float usage once upon a time, and some 
documentation of this can be found here:

http://libvncserver.sourceforge.net/qemu/qemu-fixed-point.txt

Hth,
Dscho





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