[GreenKeys] UGC-136 print sample

[Paul Newland, ad7i]

We had lots of Model 43 TTYs at Bell Labs in Holmdel.  The print was
beautiful, the keyboards had a terrific feel, and could be hefted and moved
by a single person.

And then glass terminals with Emacs came into prominence and the 43s (most
often used with Unix ed, a line oriented text editing program) were put in
a bin that the porters wheeled away, likely to the mechanical graveyard.
And I didn't even rescue one of them.  I had moved on to Emacs.

I still cry myself to sleep some nights when I think about that, 40+ years
later.

Paul, ad7i

On Thu, Jul 10, 2025 at 8:01 PM Harold Hallikainen via GreenKeys <
greenkeys at mailman.qth.net> wrote:

>
>
> On Thu, July 10, 2025 4:44 pm, Nick England wrote:
> > 7x9
> > https://www.navy-radio.com/tty/ugc136/ugc136-ad-1.jpg
>
> That looks pretty good! I assume there is no lower case (as I recall,
> these can do ASCII or Baudot). I think the Teletype model 43 looked a bit
> better (and included lower case with descenders). Some model 43 output is
> at https://bh.hallikainen.org/uploads/HfDrc190.pdf#page=14 .
>
>  I've done a lot of projects using Unifont (
> https://en.wikipedia.org/wiki/GNU_Unifont ) that uses either an 8x16 or a
> 16x16 bitmap for each glyph. In products I designed (before retiring a
> few years ago), I included the first 65,535 Unix code points. That covers
> upper and lower case ASCII plus a lot of glyphs for Japanese, Chinese,
> Korean, Arabic, etc. In thos products, I wrote code that converted UTF-8
> to 16 bit characters which then indexed into a 1 MB SPI flash to get the
> bitmap. In the DSP TU, I used just the ASCII range (all glyphs 8x16) to
> drive the display for the menus.
>
> All fun stuff!
>
> Harold
>
>
>
> --
> Not sent from an iPhone.
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