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Re: DSP
- Subject: Re: DSP
- From: fmlin@netcom.com (Fist of Fury)
- Date: Mon, 15 Nov 1993 17:04:29 GMT
- Newsgroups: comp.sys.apple2
- Organization: EMG
- References: <2brien$c41@cnn.sim.es.com> <2c15mj$2qc@ionews.io.org>
>> The DSP processor board will have a Motorola DSP56002 40Mhz processor
> ^^^^^^^^
> Isn't this the expensive 32-bit model? I thought you had decided to
>use the 24-bit 56001 to keep costs down?
002 is just a faster version of 001 (which was like 33 mHz or so).
>> For those who want to use the DSP as a fast math coprocessor, it is
>> very good for integer math but is about 8 times slower than the 68882
>> floating point coprocessors at doing floating point math.
>
> Can you integrate a 68882 socket in the design, or as an add-on
>module where the FP operations could be re-routed? Or is that way too
>expensive?
That would be too expansive, a 68882 costs atleast $100 a piece. If the
DSP comes with software patch to use DSP as a FPU, that's be lot of
improvement already.
--
frank m. lin
fmlin@netcom.com
- References:
- Re: DSP
- From: kpopple@imp.sim.es.com (Ken Poppleton)
- Re: DSP
- From: taob@ionews.io.org (Brian Tao)