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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=clemc@ccc.com href="mailto:clemc@ccc.com">Clem Cole</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=billcun@suddenlink.net
href="mailto:billcun@suddenlink.net">Bill Cunningham</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Cc:</B> <A title=simh@trailing-edge.com
href="mailto:simh@trailing-edge.com">SIMH</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, February 25, 2016 9:22
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [Simh] pdp11 and unix</DIV>
<DIV><BR></DIV>
<DIV dir=ltr>
<DIV class=gmail_extra><BR></DIV>
<DIV class=gmail_quote>On Thu, Feb 25, 2016 at 7:50 PM, Bill Cunningham <SPAN
dir=ltr><<A href="mailto:billcun@suddenlink.net"
target=_blank>billcun@suddenlink.net</A>></SPAN> wrote:<BR>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">When
Ken Thompson coded UNIX it was in assembly.</BLOCKQUOTE>
<DIV>
<DIV class=gmail_default
style="FONT-FAMILY: arial,helvetica,sans-serif">Correct...</DIV><BR></DIV>
<DIV><BR></DIV>
<DIV> </DIV>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">The
first versions anyway before B/NB/C</BLOCKQUOTE></DIV>
<DIV class=gmail_default style="FONT-FAMILY: arial,helvetica,sans-serif">I do
not think that is 100% correct. B and early UNIX sort of come about at
the same time. B (and its pseudo model - BCPL) has only one data type
(a word) and that works because UNIX was originally implemented on a word
addressed machine.</DIV>
<DIV class=gmail_default
style="FONT-FAMILY: arial,helvetica,sans-serif"><BR></DIV>
<DIV class=gmail_default style="FONT-FAMILY: arial,helvetica,sans-serif">NB/C
comes out when the Ken starts moving to the 11 which was byte addressed, as
opposed to word addresses of it's predecessors. </DIV>
<DIV class=gmail_extra><BR><FONT face=Arial size=2>What model PDP was the
first UNIX written on. All I know of s the PDP11.</FONT></DIV>
<DIV class=gmail_extra><FONT face=Arial size=2></FONT> </DIV>
<DIV class=gmail_extra><FONT face=Arial size=2>Bill</FONT></DIV>
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