Display-less computing
Dave Wade
dave.g4ugm at gmail.com
Tue Dec 15 09:33:07 CST 2015
> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Chuck
> Guzis
> Sent: 15 December 2015 05:37
> To: General Discussion: On-Topic and Off-Topic Posts
> <cctalk at classiccmp.org>
> Subject: Re: Display-less computing
>
> On 12/14/2015 06:05 PM, Paul Koning wrote:
>
> > I've only ever seen them called "12" and "11" for the top and next
> > rows respectively. For example, the card code listing on the IBM 360
> > "green card" shows them that way (e.g., A is 12-1).
>
> Same here. But it's not outside the range of possibility that *someone*
> called them X and Y, although I don't know who did. Doug Jones doesn't
> mention it.
>
I have seen ICT punches labelled this way. There is one here where "X" and
"Y" have been manually added.
https://en.wikipedia.org/wiki/Keypunch#/media/File:Hand-operated_Card_Punch-
2.jpg
I think the one I own is labelled....
> Let's not forget the System/3 96-column cards. BA8421 (sort of like
7-track
> mag tape), with a really wacky way to combine the columns to make 8-bit
> bytes.
>
> Univac, of course, had their own system with their double-45 column
system,
> round holes and all.
>
> --Chuck
Dave
G4UGM
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