Re: Controlling A5000 printer port for I/O

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#432

From: Nicko van Someren
Date: Sun, 27 Sep 1992 21:28

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In article <Bv5o01.BwE@comp.vuw.ac.nz> Philip.Banks@comp.vuw.ac.nz (Philip Richard Banks) writes:
>In article <drushall.717329957@cs.man.ac.uk> drushall@cs.man.ac.uk (David Rushall) writes:
>>The sampler  was built from a design from ST/Amiga Format a few years ago,
>>and was supposed to be compatible with any machine with a PC-like,
>>bidirectional printer port. To use it one has to toggle the Centronics
>>strobe line (I think) and then read the byte on the data lines.
>
>   I too would be highly interested in this kind of information. Also useful
>would be someway of detecting if their is a device attached to the parallel
>port other than a printer...
>

There is a SWI in the module called parallel that gives you the address
of the parallel port registers in the 82710/711.  DUmp the module to find out
the SWI name, I can't remember it at the moment.  Then all you need is either
an 82711 data sheet or a book on PC hardware.

	Nicko
+-----------------------------------------------------------------------------+
| Nicko van Someren, nbvs@cl.cam.ac.uk, (44) 223 358707 or (44) 860 498903    |
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References: <drushall.717329957@cs.man.ac.uk> <Bv5o01.BwE@comp.vuw.ac.nz>

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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!cam-cl!cl.cam.ac.uk!nbvs
From: nbvs@cl.cam.ac.uk (Nicko van Someren)
Newsgroups: comp.sys.acorn.tech
Subject: Re: Controlling A5000 printer port for I/O
Message-ID: <1992Sep27.212837.24722@cl.cam.ac.uk>
Date: 27 Sep 92 21:28:37 GMT
References: <drushall.717329957@cs.man.ac.uk> <Bv5o01.BwE@comp.vuw.ac.nz>
Sender: pb@cl.cam.ac.uk (Piete Brooks)
Reply-To: nbvs@cl.cam.ac.uk (Nicko van Someren)
Organization: U of Cambridge Comp Lab, UK
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