Re: co processor board for a2's

["Roger Johnstone" <rojaws@es.co.nz>]

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In article <38EC3ABF.98201785@dcnet2000.com>, Phoenyx <quazar@dcnet2000.com>
wrote:


>Hi Jeff,
>
>What exactly in the GS is capable of taking advantage of the
>benefits of a co-processor? Most programs I know of would have to
>be re-written to take advantage of it. I know this was considered
>for the 65816 cpu, but AFAIK it was never developed properly.
>
>Unlike the current crop of PC compilers which supply routines to
>use in the case that no co-processor exists, the Apple II series
>never had that luxury, thus by itself the co-processor is useless
>except for new projects.
>
>-- 
>
>Cheers and best wishes,
>Phoenyx

The coprocessors that were released for the Apple II had software to patch
the math routines in the IIgs toolbox, as a result most software worked with
no modification. There was also software which patched AppleWorks and extra
routines which could be used from Applesoft BASIC.


Roger Johnstone, Invercargill, New Zealand
http://homepages.ihug.co.nz/~rojaws
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