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From: wayne@bambi.UUCP (Wayne Wilner)
Newsgroups: net.arch
Subject: Re: Arbitrary byte alignment
Message-ID: <48@bambi.UUCP>
Date: Fri, 12-Oct-84 17:13:34 EDT
Article-I.D.: bambi.48
Posted: Fri Oct 12 17:13:34 1984
Date-Received: Sat, 13-Oct-84 08:00:29 EDT
References: , <1433@bmcg.UUCP>
Organization: Bell Communications Research, Inc.
Lines: 15

Thanks to Bill Price for explaining the B1700...B1900
bit-addressibility.  The one feature that seems to always
escape everyone's attention is that variable-length strings
were addressed by a triple:
    starting address
    length
    direction
not just the usual address-length pair.  By having the
"direction" parameter, one could fetch toward higher or
toward lower addresses from the starting address.  So add to
Bill's description that if bank A were given address N, then
bank B might be given N, N+1, or N-1.

--mhuxl!thumper!wayne Wilner
  Bell Communications Research