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

From: Sebastian Kaliszewski
Subject: Re: [Qemu-devel] [PATCH] PC speaker emulation (fixed)
Date: Fri, 20 Jan 2006 13:03:48 +0100
User-agent: Mozilla Thunderbird 1.0.2 (X11/20050322)

malc wrote:
I'd like to not one thing, namely, you are using FPU to generate the
samples. This is something Fabrice expressed dissatisfaction with. In
the case of speaker it might be feasible to switch to fixed-point

One more note about that. PC-speaker generates just plain square wave not sine wave, so this would be more realistic. Then fixed point calculation (16 bit integer part and 16 bit fractional) is easy without all those sin calculation.

Sebastian Kaliszewski

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