Re: Line printer art: (was Re: tape baking)

On Mon, Jul 10, 2017 at 4:19 AM, Martin Hepperle via cctalk < cctalk@classiccmp.org> wrote: > For those interested in viewing those line printer files but without a > suitable printer I have hacked together a small Java program for viewing > and > exporting the files. Nothing great, but it does

Re: Line printer art: (was Re: tape baking)

iccmp.org> To: <cctalk@classiccmp.org> Sent: Mon 10 Jul 2017 05:19 AM Subject: Re: Line printer art: (was Re: tape baking) For those interested in viewing those line printer files but without a suitable printer I have hacked together a small Java program for viewing and exporting the f

Re: Line printer art: (was Re: tape baking)

For those interested in viewing those line printer files but without a suitable printer I have hacked together a small Java program for viewing and exporting the files. Nothing great, but it does the job. Try SMALLCAT first. I understood that the first column contains FORTRANish line advance

Re: Line printer art: (was Re: tape baking)

You know, I have about four different tapes with those Harbison posters on them. Different formats, too. They're probably ubiquitous by now. For those of you without printers who still want to see the posters, asciitopgm from the netpbm package can be coaxed to do this. See

Re: Line printer art: (was Re: tape baking)

Al Kossow wrote: > Need to update my reader anyway soon, so I'm going > to append something similar to what you did the new > images I create, probably just a ascii text record > and a label picture. For the many hundreds of 9-track tapes I'm turning into image files, I am

RE: Line printer art: (was Re: tape baking)

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Peter > Coghlan via cctalk > Sent: 07 July 2017 23:32 > To: General Discussion: On-Topic and Off-Topic Posts > <cctalk@classiccmp.org> > Subject: RE: Line printe

RE: Line printer art: (was Re: tape baking)

> > > > > If anyone's running Hercules or some other uses-EBCDIC emulator, here's > > the link to the .tap image file. > > > > https://app.box.com/s/8rxbihjjnw5zdkesym4cjwqswekufagh > > > > --Chuck > > Sadly I don't think that's much use on Hercules as it needs an AWS or HET > file. Is there a

Re: Line printer art: (was Re: tape baking)

On 07/07/2017 12:46 PM, Al Kossow via cctalk wrote: > It is literally "you can't save everything, where would you put it?" > > You can be completely buried by piles of unknown data on magnetic > media. And yet, I'll venture that it's a pretty safe bet that all of the data recorded between

Re: Line printer art: (was Re: tape baking)

yup On 7/7/17 12:33 PM, Chuck Guzis via cctalk wrote: > On 07/07/2017 12:04 PM, Al Kossow via cctalk wrote: > >> >> The way JBI did it was to digitize the capstan encoder as a clock >> reference for tape motion obliquely referenced in >>

Re: Line printer art: (was Re: tape baking)

On 7/7/17 12:28 PM, Chuck Guzis via cctalk wrote: > It brings up another aspect. I've done a batch of tapes that had > nothing more that the originator's name and an inventory number. Upon > recovering data, the customer had no idea what it meant or how it was > created or even the system

Re: Line printer art: (was Re: tape baking)

On 07/07/2017 12:04 PM, Al Kossow via cctalk wrote: > > The way JBI did it was to digitize the capstan encoder as a clock > reference for tape motion obliquely referenced in > http://storageconference.us/2008/presentations/3.Wednesday/5.Bordynuik.pdf They mention a 36-track tape head. Were

Re: Line printer art: (was Re: tape baking)

On 07/07/2017 12:17 PM, Al Kossow via cctalk wrote: > I'm much less hopeful on any other parallel tape formats, since there > are so few and the desire to recover any of that has been low. It brings up another aspect. I've done a batch of tapes that had nothing more that the originator's name

Re: Line printer art: (was Re: tape baking)

On 7/7/17 12:08 PM, Paul Koning wrote: >> And I'm moving towards flux-level archiving and away from using >> stock tape transports. >> >> But then, I've been saying that for 15+ years now and haven't done it. > > It would be great to have that capability, after the company that had it >

Re: Line printer art: (was Re: tape baking)

> On Jul 7, 2017, at 1:29 PM, Al Kossow via cctalk > wrote: > > > > On 7/7/17 10:26 AM, Al Kossow via cctalk wrote: > >> I stopped beating that horse years ago. > > And I'm moving towards flux-level archiving and away from using > stock tape transports. > > But

Re: Line printer art: (was Re: tape baking)

On 7/7/17 11:10 AM, Chuck Guzis via cctalk wrote: > I've puzzled over how to do tape flux-transition recording in any > meaningful way. The way JBI did it was to digitize the capstan encoder as a clock reference for tape motion obliquely referenced in

Re: Line printer art: (was Re: tape baking)

On 07/07/2017 10:26 AM, Al Kossow via cctalk wrote: > I stopped beating that horse years ago. They also assume that all of the data > blocks read correctly, they don't save the error correction data if the block > had it, etc etc. > > Need to update my reader anyway soon, so I'm going to append

Re: Line printer art: (was Re: tape baking)

On 7/7/17 10:26 AM, Al Kossow via cctalk wrote: > I stopped beating that horse years ago. And I'm moving towards flux-level archiving and away from using stock tape transports. But then, I've been saying that for 15+ years now and haven't done it.

Re: Line printer art: (was Re: tape baking)

On 7/7/17 9:35 AM, Chuck Guzis via cctalk wrote: > I've voiced my opinion before of being a bit surprised that neither AWS > nor TAP makes any provision for metadata. The tape data bits don't > tell the whole story. I stopped beating that horse years ago. They also assume that all of the

Re: Line printer art: (was Re: tape baking)

On 07/07/2017 08:25 AM, Dave Wade wrote: > The header is six bytes long. Two are the length of the current > block. Two of the bytes are the length of the previous block, so you > can do read backwards, two of the bytes contain flag bits. One of the > flags says this chunk is the first part of a

RE: Line printer art: (was Re: tape baking)

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck > Guzis via cctalk > Sent: 07 July 2017 08:11 > To: CCtalk <cctalk@classiccmp.org> > Subject: Re: Line printer art: (was Re: tape baking) > > On 07/06/2017 10:42 PM,

Re: Line printer art: (was Re: tape baking)

On 07/06/2017 10:42 PM, Dave Wade wrote: > Sadly I don't think that’s much use on Hercules as it needs an AWS or HET > file. Is there a format converter any where? Dunno, but it should be pretty simple. TAP is discussed with the SIMH documentation and the AWS format is discussed here:

RE: Line printer art: (was Re: tape baking)

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck > Guzis via cctalk > Sent: 06 July 2017 21:03 > To: General Discussion: On-Topic and Off-Topic Posts > <cctalk@classiccmp.org> > Subject: Re: Line printer art: (was

RE: Line printer art: (was Re: tape baking)

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Ethan > Dicks via cctalk > Sent: 06 July 2017 20:02 > To: Chuck Guzis <ccl...@sydex.com>; General Discussion: On-Topic and Off- > Topic Posts <cctalk@classiccmp.org> > S

Re: Line printer art: (was Re: tape baking)

On Thu, Jul 6, 2017 at 3:18 PM, Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > You know, I do a fair amount of this stuff. The confidential/secret > stuff I keep that way (e.g. 100 tapes that I'm doing for NASA this > summer), but there's also a fair amount of public stuff that I do

Re: Line printer art: (was Re: tape baking)

cmp.org] On Behalf Of Chuck > Guzis > > via cctalk > > Sent: 06 July 2017 23:19 > > To: General Discussion: On-Topic and Off-Topic Posts < > cctalk@classiccmp.org> > > Subject: Re: Line printer art: (was Re: tape baking) > > > > You know, I do a

RE: Line printer art: (was Re: tape baking)

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck Guzis > via cctalk > Sent: 06 July 2017 23:19 > To: General Discussion: On-Topic and Off-Topic Posts <cctalk@classiccmp.org> > Subject: Re: Line printer art: (was Re: tape

Re: Line printer art: (was Re: tape baking)

You know, I do a fair amount of this stuff. The confidential/secret stuff I keep that way (e.g. 100 tapes that I'm doing for NASA this summer), but there's also a fair amount of public stuff that I do have permission to share. I've done the hard work in translating the data to something

Re: Line printer art: (was Re: tape baking)

On Thu, Jul 6, 2017 at 3:01 PM, Ethan Dicks wrote: > On Thu, Jul 6, 2017 at 1:59 PM, Chuck Guzis via cctalk > wrote: >> It worked--I retrieved a tape of line printer art from Princeton quite >> successfully. I reviewed the ASCII copy. Several of

Re: Line printer art: (was Re: tape baking)

On 07/06/2017 12:41 PM, Ethan Dicks wrote: > I got it from the Box link. Thanks! If anyone's running Hercules or some other uses-EBCDIC emulator, here's the link to the .tap image file. https://app.box.com/s/8rxbihjjnw5zdkesym4cjwqswekufagh --Chuck

Re: Line printer art: (was Re: tape baking)

On Thu, Jul 6, 2017 at 3:01 PM, Ethan Dicks wrote: > Feel free to PM me a link to where I could get a copy of these art > files or reply here with it. I got it from the Box link. Thanks! -ethan