[ale] Connecting to r-pi

Charles Shapiro hooterpincher at gmail.com
Thu Oct 25 10:44:25 EDT 2018


I Am Enlightened!

Nonetheless, I question Mr. Gates's decision to include the LF in a machine
primarily connected to a video monitor.

-- CHS


On Wed, Oct 24, 2018 at 8:39 PM Raj Wurttemberg via Ale <ale at ale.org> wrote:

> You guys talking about teletypes brings back some memories.   These are
> the computers (AN/UYK-7) I worked on when I was in the Navy and you'll
> notice the teletype to the far left. It's a combined teletype, dual
> mag-tape, and paper-tape reader.  I absolutely hated that teletype. Can't
> say that I liked the computer that much more. HAHA!
>
>
> https://ru.wikipedia.org/wiki/AN/UYK-7#/media/File:%D0%9A%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80_UYK-7.jpg
>
> Kinda funny that this picture is on the Russian Wiki page. Doh!
>
> /Raj
>
> -----Original Message-----
> From: Ale <ale-bounces at ale.org> On Behalf Of Alex Carver via Ale
> Sent: Wednesday, October 24, 2018 6:54 PM
> To: Scott Plante <splante at insightsys.com>; Atlanta Linux Enthusiasts <
> ale at ale.org>
> Subject: Re: [ale] Connecting to r-pi
>
> The CR also permitted the return so a row could be double struck for
> bolding or multipart forms that required double striking to ensure
> print-through. Not all teletypes were so slow but yes sliding back along
> the row would be slightly slower than just rolling the paper up one line.
>
> Additionally the independent LF allowed typing vertically (with a
> backspace after the LF) as well as staggered lines. The two independent
> control characters were quite valuable for basic typesetting.
>
> On 2018-10-24 13:03, Scott Plante wrote:
> > If you're inclined to believe Wikipedia, the early teletypes would
> > actually perform a carriage return to the left and line feed the paper
> > up one row on a LF, but the CR was necessary because of timing--it
> > took longer than the gap between characters to physically return the
> > print head so they added the CR to allow enough time. Apparently they
> > sometimes had to add NULs as well. Even some CRT terminals took too
> > long to scroll all the text up. Apparently they didn't have flow
> > control back then.
> >
> > I used to have a TRS-80 and a "Gorilla Banana" printer. I could never
> > get the flow control to work with it, and had to write a program to
> > print stuff. It would manually pause a fraction of a second after each
> > line before sending the next one to the port. Those were the days! ha
> > ha
> >
> > https://en.wikipedia.org/wiki/Newline
> > http://mrweese.blogspot.com/2007/06/gorilla-banana.html
> >
> > --
> > Scott Plante
> >
> > ----------------------------------------------------------------------
> > --
> > *From: *"Alex Carver via Ale" <ale at ale.org>
> > *To: *ale at ale.org
> > *Sent: *Wednesday, October 24, 2018 3:34:26 PM
> > *Subject: *Re: [ale] Connecting to r-pi
> >
> > You do realize CRLF is older than Gates having come from the exact way
> > a teletype machine works, right? CR and LF are distinct functions and
> > *nix took a lazy approach to combine the two into a single character.
>
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