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Re: python 3.3 repr

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Subject Re: python 3.3 repr
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From Roy Smith <roy@panix.com>
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Date Fri, 15 Nov 2013 10:32:54 -0500
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On Nov 15, 2013, at 10:18 AM, Robin Becker wrote:

> The pdp 10/15 had 18 bit words and could be organized as 3*6 or 2*9

I don't know about the 15, but the 10 had 36 bit words (18-bit halfwords).  One common character packing was 5 7-bit characters per 36 bit word (with the sign bit left over).

Anybody remember RAD-50?  It let you represent a 6-character filename (plus a 3-character extension) in a 16 bit word.  RT-11 used it, not sure if it showed up anywhere else.

---
Roy Smith
roy@panix.com

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python 3.3 repr Robin Becker <robin@reportlab.com> - 2013-11-15 11:28 +0000
  Re: python 3.3 repr Ned Batchelder <ned@nedbatchelder.com> - 2013-11-15 03:38 -0800
    Re: python 3.3 repr Robin Becker <robin@reportlab.com> - 2013-11-15 12:16 +0000
      Re: python 3.3 repr Ned Batchelder <ned@nedbatchelder.com> - 2013-11-15 05:54 -0800
        Re: python 3.3 repr Robin Becker <robin@reportlab.com> - 2013-11-15 14:29 +0000
        Re: python 3.3 repr Serhiy Storchaka <storchaka@gmail.com> - 2013-11-15 16:40 +0200
        Re: python 3.3 repr Robin Becker <robin@reportlab.com> - 2013-11-15 14:52 +0000
    Re: python 3.3 repr Roy Smith <roy@panix.com> - 2013-11-15 09:25 -0500
    Re: python 3.3 repr Robin Becker <robin@reportlab.com> - 2013-11-15 14:43 +0000
      Re: python 3.3 repr Ned Batchelder <ned@nedbatchelder.com> - 2013-11-15 07:08 -0800
        Re: python 3.3 repr Robin Becker <robin@reportlab.com> - 2013-11-15 15:39 +0000
        Re: python 3.3 repr Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2013-11-15 16:49 +0100
        Re: python 3.3 repr Chris Angelico <rosuav@gmail.com> - 2013-11-16 03:01 +1100
          Re: python 3.3 repr Neil Cerutti <neilc@norwich.edu> - 2013-11-15 17:47 +0000
            Re: python 3.3 repr Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-11-16 01:09 +0000
      Re: python 3.3 repr Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-11-15 17:10 +0000
        Re: python 3.3 repr Chris Angelico <rosuav@gmail.com> - 2013-11-16 04:29 +1100
        Re: python 3.3 repr Cousin Stanley <cousinstanley@gmail.com> - 2013-11-15 10:45 -0700
    Re: python 3.3 repr Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-15 09:50 -0500
    Re: python 3.3 repr Robin Becker <robin@reportlab.com> - 2013-11-15 15:03 +0000
    Re: python 3.3 repr Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-15 10:07 -0500
    Re: python 3.3 repr Chris Angelico <rosuav@gmail.com> - 2013-11-16 02:08 +1100
    Re: python 3.3 repr Robin Becker <robin@reportlab.com> - 2013-11-15 15:18 +0000
    Re: python 3.3 repr Roy Smith <roy@panix.com> - 2013-11-15 10:32 -0500
    Re: python 3.3 repr William Ray Wing <wrw@mac.com> - 2013-11-15 11:30 -0500
    Re: python 3.3 repr Zero Piraeus <z@etiol.net> - 2013-11-15 14:06 -0300
    Re: python 3.3 repr Chris Angelico <rosuav@gmail.com> - 2013-11-16 04:11 +1100
    Re: python 3.3 repr Serhiy Storchaka <storchaka@gmail.com> - 2013-11-15 19:37 +0200
  Re: python 3.3 repr Gene Heskett <gheskett@wdtv.com> - 2013-11-15 11:36 -0500
  Re: python 3.3 repr Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-15 17:58 +0000
  Re: python 3.3 repr Gene Heskett <gheskett@wdtv.com> - 2013-11-15 14:23 -0500

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