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From: culberts@hplwbc.hpl.hp.com (Bruce Culbertson)
Newsgroups: comp.sys.nsc.32k
Subject: Re:  PC532 Expansion & other questions
Message-ID: <9011291830.AA23215@hplwbc.hpl.hp.com>
Date: 29 Nov 90 18:30:45 GMT
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rhyde@ucrmath.ucr.edu (randy hyde) writes:

> 1) I note that the DUARTs live at ports 2800020, ...40, ...60, etc.  Yet the
>    address lines going into the 74138 imply that they should be at base
>    addresses ...10, ...20, ...30, etc.  Is the documentation correct?  If so,
>    is this an artifact of the decoding for the ICU?

You are right.  That was to see if you were paying attention.

> 4) Where do I get documentation for the monitor program?

This is my fault.  I wrote it and should document it.  Until I do, send
e-mail if you have questions.  Most people seem to have figured out
how to use it by reading its ROM-squandering on-line help.

> 5) Are the source listings available for the monitor?  I'd like
>    to see some code for initializing all the chips.

Yes, I can mail them to you.  If you order pc532-Minix, they will be
included.

Have fun,
Bruce
culberts@hplabs.hp.com