From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lyndon Nerenberg <lyndon@orthanc.ca>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Date: Thu, 11 Oct 2018 11:10:54 -0700
Message-Id: <7aa20b2c724f78c2@orthanc.ca>
Cc: Lyndon Nerenberg <lyndon@orthanc.ca>
Subject: Re: [9fans] PDP11 (Was: Re: what heavy negativity!)
Topicbox-Message-UUID: ec02c564-ead9-11e9-9d60-3106f5b1d025

Digby R.S. Tarvin writes:

> Agreed, but the PDP11/70 was not constrained to 64KB memory either.

> I do recall the MS-DOS small/large/medium etc models that used the
> segmentation in various ways to mitigate the limitations of being a 16 bit
> computer. Similar techniques were possible on the PDP11, for example

Coincidental to this conversation, I'm currently reading "The Apollo
Guidance Computer: Architecture and Operation" by _Framk O'Brien_.
(ISBN 978-1-4419-0876-6)  Very interesting to see what you can do with
a 15 bit architecture when sufficiently motivated.

--lyndon