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Re: TORTIS (Not quite Logo)

Newsgroups comp.lang.logo
Date 2019-05-07 05:03 -0700
References <7wef5cw1hl.fsf@junk.nocrew.org>
Message-ID <f8d2daab-65cc-4d65-b1a1-7a2d4639e223@googlegroups.com> (permalink)
Subject Re: TORTIS (Not quite Logo)
From michaelt@media.mit.edu

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MIT Logo Memo 9, written by Radia Perlman i1974 is about TORTIS. It's linked from http://web.sonoma.edu/users/l/luvisi/logo/logo.memos.html


On Monday, May 6, 2019 at 2:17:27 AM UTC-4, Lars Brinkhoff wrote:
> Hello,
> 
> This is not quite Logo, but closely related.  Do you remember how there
> were experiments teaching programming to children too small to use Logo?
> It was done by Radia Perlman, who would later go on to become a
> networking guru.  She called her program TORTIS, "toddler's own
> recursive turtle interpreter system".  It's described in two memos from
> the MIT AI lab.
> 
> I found a copy, and got permission from Perlman to publish it:
> https://github.com/PDP-10/its-vault/blob/master/files/radia/tortis.31
> 
> It talks to teletype port number 16.  Input is from a button box and is
> decoded to send commands, also to port 16.  The output is to a physical
> floor turtle.
> 
> I would be happy to work with someone to emulate this in software.  The
> TORTIS program would be running on a PDP-10 emulator, and port 16 is
> available as a network TCP port.  I suggest there could be a GUI with
> the buttons, and a turtle to draw lines on the screen.

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TORTIS (Not quite Logo) Lars Brinkhoff <lars.spam@nocrew.org> - 2019-05-06 06:17 +0000
  Re: TORTIS (Not quite Logo) michaelt@media.mit.edu - 2019-05-07 05:03 -0700

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