riscy
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Re: ease of implementation, optional features, etc.

To: riscy@pyramid.com
Subject: Re: ease of implementation, optional features, etc.
From: Andreas Busse <andy@resi.waldorf-gmbh.de>
Date: Mon, 5 Jul 93 09:16:12 +0200
Reply-to: riscy@pyramid.com
Sender: riscy-request@pyramid.com
> As far as design :
> 
> People are forgetting one thing : application notes.  Most vendors 
> have application notes that give a working sample implementation using
> their chip.  For instance, National Semi's AN-479 has full schematics,
> a materials list, and a PAL program (for the PAL that does shared memory
> arbiting and address decode) for an ISA 8390 board (AUI / thinnet, 
> jumper selectable).  If you were to go with a shared memory 8390 
> implementation you could take this design, and write a new PAL program....

Right. We should go this way. Why invest the wheel again and again ?

> In any case, the analog side (what scares the non-EE's among us)
> with the pulse transformers, etc would allready be done for you.

Otherwise this would be the most complicated part :-)

Andy

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