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From: jrd@STONY-BROOK.SCRC.SYMBOLICS.COM (John R. Dunning)
Newsgroups: net.micro.atari8
Subject: 850 interface hacking.
Message-ID: <860825102154.4.JRD@GRACKLE.SCRC.Symbolics.COM>
Date: Mon, 25-Aug-86 10:21:00 EDT
Article-I.D.: GRACKLE.860825102154.4.JRD
Posted: Mon Aug 25 10:21:00 1986
Date-Received: Mon, 25-Aug-86 20:14:41 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
Lines: 9

Has anybody out there done anything along the lines of replacing the
stock driver for the 850 interface?  What I'm after is info about what
frames one has to send to the thing to control it, and how to set up the
DCB etc to make it all happen.  The ulterior motive is that I'm looking
to invent a pseudo device that (transparently to the upper level
application) uses some file protocol (say Kermit) over a serial line to
something on the other end.  I've poked around in the supplied driver
but it's not obvious what's going on or why.  Any info, or pointers to
it will be appreciated.