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Re: CF for Vulcan??



"Michael J. Mahon" <mjmahon@aol.com> wrote in message 
i7ednZYlNteNtqnbnZ2dnUVZ_o-knZ2d@comcast.com">news:i7ednZYlNteNtqnbnZ2dnUVZ_o-knZ2d@comcast.com...
> Henry wrote:
>>>I am willing to lend one of my Vulcan set-ups for
>>>this endeavor, plus pay for the firmware, and then make the updated
>>>firmware freely available to the Apple retro community.  Are there any
>>>takers/suggestions on this idea?
>>
>>
>> David Wilson?  As far as a Firmware guy, he's pretty good.  Probably just 
>> needs the tables changed.  A few bytes here and there would probably be 
>> enough to let 32, 64, 128 and 256 MB CF Cards work.
>>
>> Any comments David?  I have a Controller, CF Adapter and CF Card to loan 
>> if you'd like to take a look?
>>
>> I know there'd be a few people who'd like that upgrade.
>
> Good luck with the Vulcan firmware...  It was written by none other than
> Bob Sander-Cederlof, and is quite interesting, IIRC.  It did programmed
> I/O relatively quickly by aggressive loop unrolling.
>
> I took a look at it in the 1980s, and was surprised at its complexity
> and bank switching.

Maybe it would be easier to write all-new firmware from scratch?

-Greg


> -michael
>
> NadaNet file server for Apple II computers!
> Home page:  http://members.aol.com/MJMahon/
>
> "The wastebasket is our most important design
> tool--and it's seriously underused."