Paper tape standard
robert.jarratt at ntlworld.com
Fri Jan 16 14:50:59 CST 2015
Perhaps not quite the same, but when I bring my Teletype Model 33, connected to a DECSYSTEM-20 emulation, to DEC Legacy in April you can save a program on paper tape if you like.
> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Mark
> Sent: 16 January 2015 20:13
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: Paper tape standard
> I had a dream of creating a paper tape with a program I wrote on it for the
> Pegasus computer at the Science Museum. If they ever turn it on again, or
> another one crops up, I might not have any excuses left...
> On 16 January 2015 at 20:09, tony duell <ard at p850ug1.demon.co.uk> wrote:
> > > OBA! I'm crazy for creating a paper reader/perfurator! :D This
> > > is an
> > old
> > > dream of mine, although I have no specific computers who use it, nor
> > > any specimen of perfored tape around. But I find it to be just
> > > beautiful :)
> > The reader is relatively easy to make at home, at least if you are
> > happy with a photoelectric one. If you trigger off the feed holes, you
> > don't need a sprocket drive, a capstan and pnch roller is fine. This
> > is the sort of thing you can make in a good home workshop.
> > The punch is a lot harder. Making the punch pins and die block, and
> > then correctly grinding and hardening the former is not going to be easy.
> > Mechanically the rest may not look too hard (the Facit 4070 used a set
> > of rotary solenoids and linkages, one per pin), but it is still a
> > major project.
> > -tony
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