Re: Apple II ProDos filesystem:---Could it be accessed from Linux??

[salfter@salfter.dyndns.org (Scott Alfter)]

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In article <xllvgn93g3h.fsf@phadfa.ph.adfa.edu.au>,
Stephen Harker  <sjh@phadfa.ph.adfa.edu.au> wrote:
>"kellyboy" <kellyboy@nospanner> writes:
>
>> where can I find more info (apple related group) that do that kind of
>> stuff??
>
>Try comp.sys.apple2, there are quite a few posts still in the news
>group and there were a number of people there use linux in addition to
>their old apple //'s.

FWIW, half of the messages in comp.sys.apple2 these days tend to revolve
around the proper handling of abandonware, with one group treating
downloading Lode Runner from the Asimov archive no differently than snagging
Office XP off of alt.binaries.warez.ibm-pc and the other group having more
of a live-and-let-live attitude.  Some gems pop up once in a while (like the
IDE controller for which the schematic and source code were provided
recently), but make sure you have a somewhat thick skin before wandering in.

FWIW, if you know how to get Linux to talk to any arbitrary filesystem, I
would think that adding ProDOS support wouldn't be too difficult.  The
partition-table format used by the Apple II is identical to what's used by
the Macintosh, and Mac partition-table support is already included, so
that's one less thing to worry about.  The filesystem data structures are
described in books such as the _ProDOS_8_Technical_Reference_Manual_ (Apple
Computer, Inc., ISBN 0-201-17757-9) and _Beneath_Apple_ProDOS_ (Don Worth
and Pieter Lechner, ISBN 0-912985-05-4).  Note that forked files (as used by
the IIGS) aren't described in those books; IIRC, a previously-unused storage
type was used to point to a block which had directory-like data for file
structures containing the data and resource forks.  Since I've mainly stuck
with 8-bit stuff, I'm not too familiar with the nature of the data
structures involved.

Further discussion has been directed to comp.sys.apple2, as it's likely to
be of greater relevance there than in comp.os.linux.misc.

  _/_
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(IIGS(  Scott Alfter (remove Voyager's hull number for email address)
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