On Mon, 21 Mar 2005, Mark Firestone wrote:
I've got the DOS Manual, and I used to have
Beneath Apple DOS... If you
want more detail than that, you might have to email Woz... I mean, he
designed the whole thing... He may be the only one who knows...
And, being Woz, he might even answer you.
It might be interesting to ask him someday as I might get some insight
not available anywhere else, but this assumes he still remembers all the
fine details.
I did finally find a good description in _Understanding the Apple II_ by
Jim Sather from Quality Software (with a forward by Steve Wozniak). 45
pages alone on the disk controller circuitry and software. Woohoo!
--
Sellam Ismail Vintage Computer Festival
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