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Re: First disk image of PLATO courseware for Apple II now available

Subject: Re: First disk image of PLATO courseware for Apple II now available
From: A2CPM <a2@wilserv.com>
Date: Sun, 10 Jul 2011 09:15:24 -0700 (PDT)
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Hi!

On Jul 10, 11:08 am, N.N. Thayer wrote:
<--- snip --->
> The disk uses a modified DOS 3.3 where:
> - header markers were D5 AA 96 / FF FF instead of D5 AA 96 / DE AA
> - data markers were D5 AA AD / FF FF instead of D5 AA AD / FF FF
> - sync bits were changed from FF to AB
> - nibble translation table was also changed: first entry value $96 was
> changed to $AA
<--- snip --->

    Do we have a typo here?  The before and after data markers appear
to be the same...

Willi

Follow-Ups:
- Re: First disk image of PLATO courseware for Apple II now available
  - From: Toinet <antoine.vignau@laposte.net>

References:
- First disk image of PLATO courseware for Apple II now available
  - From: "N.N. Thayer" <nnthayer@hotmail.com>

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