Apple ][ disk controller state machine

From: Sellam Ismail <>
Date: Thu Sep 6 13:18:58 2001

On Thu, 6 Sep 2001, Tony Duell wrote:

> > > I've just pulled out my copy of 'Beneath Apple DOS', and the
> > > information you need doesn't seem to be in there. There's very little
> > > about the disk hardware at all -- it assumes you'll at least use the
> > > standard routines to read/write bytes on the disk.
> >
> > The info that Sean is looking for is in the Apple ][ DOS manual. I have a
> Is it? Where? I've just had a quick look, and apart from the schematics,
> again there's no hardware info. And you can't work out the function of Q6
> from just a schematic (or at least I can't).

Dang. I must've been mistaken then. I know I have a manual or something
that explains the operation of the state machine. It's been years since I
saw it though.

Sellam Ismail Vintage Computer Festival
International Man of Intrigue and Danger
Received on Thu Sep 06 2001 - 13:18:58 BST

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