Re: TU-58 support under Unix

2019-02-03 Thread Jerry Weiss via cctalk
none of the available PDP-11 Unixes support the TU-58? I have looked at Ultrix-11, V7M and BSD 2.11 (didn't try 2.9 but I suspect if it isn't in 2.11 it wasn't in 2.9) and none of them had support for the TU-58. Seems to me it would have been a rather simple device to handle as it ran over

Re: TU-58 support under Unix

2019-02-03 Thread Bill Gunshannon via cctalk
On 2/3/19 5:13 PM, GREEN wrote: > I built support under V6 all in user space. That would be in the early 1980s > and I don’t recall it being very difficult. I suspect others did that as > well. Have you tried looking in the USENIX tapes? > I will probably look at writing a driver once I have

Re: TU-58 support under Unix

2019-02-03 Thread GREEN via cctalk
wrote: > >> On 2/3/19 3:41 PM, Aaron Jackson wrote: >> TU-58 support wouldn't need to be in the kernel, it could easily run in >> user space. Perhaps someone had written an application in user-space to >> dump TU-58 tapes. > > I was looking for a device driver and wh

Re: TU-58 support under Unix

2019-02-03 Thread Bill Gunshannon via cctalk
On 2/3/19 3:41 PM, Aaron Jackson wrote: > TU-58 support wouldn't need to be in the kernel, it could easily run in > user space. Perhaps someone had written an application in user-space to > dump TU-58 tapes. I was looking for a device driver and when I didn't find it I looked at SPD's an

Re: TU-58 support under Unix

2019-02-03 Thread Aaron Jackson via cctalk
TU-58 support wouldn't need to be in the kernel, it could easily run in user space. Perhaps someone had written an application in user-space to dump TU-58 tapes. Aaron. Bill Gunshannon via cctalk writes: > Here's a question for someone who has been around long enough to > remember. >

Re: TU-58 support under Unix

2019-02-03 Thread Noel Chiappa via cctalk
> From: Bill Gunshannon > Why did none of the available PDP-11 Unixes support the TU-58? > I have looked at Ultrix-11, V7M and BSD 2.11 The 'TUHS' list might be more likely turn up the reasoning? Noel

TU-58 support under Unix

2019-02-03 Thread Bill Gunshannon via cctalk
Here's a question for someone who has been around long enough to remember. Why did none of the available PDP-11 Unixes support the TU-58? I have looked at Ultrix-11, V7M and BSD 2.11 (didn't try 2.9 but I suspect if it isn't in 2.11 it wasn't in 2.9) and none of them had support for the TU-58

Re: TU-58 in simh

2017-04-22 Thread allison via cctalk
on >>>> PDP-11s. However, I'm not seeing it in a show dev and my >>>> google-fu is failing me to find any info on how to use it. Any >>>> pointers on how to boot from a TU-58 image? >>>> >>>> TIA, >>>> BLS >>>>

RE: TU-58 in simh

2017-04-22 Thread Bill Gunshannon via cctalk
From: cctalk [cctalk-boun...@classiccmp.org] on behalf of Don North via cctalk [cctalk@classiccmp.org] Sent: Friday, April 21, 2017 10:13 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: TU-58 in simh On 4/21/2017 6:55 PM, allison

Re: TU-58 in simh

2017-04-21 Thread allison via cctalk
n how to use it. Any >> pointers on how to boot from a TU-58 image? >> >> TIA, >> BLS >> > Using simh v4.0 from github, in the PDP11 simh ini file: > > *set tdc enable** > **attach tdc0 tu58.dsk* > > then assuming tu58.dsk is a bootable image: > &

Re: TU-58 in simh

2017-04-21 Thread Brian L. Stuart via cctalk
me to find any info on how to use it.  Any >> pointers on how to boot from a TU-58 image? > > Using simh v4.0 from github, in the PDP11 simh ini file: Thanks much. I was using v3.9 which is why I couldn't find it. Not everything is working yet, but at least it's loading and running the boot block. BLS

Re: TU-58 in simh

2017-04-21 Thread Don North via cctalk
any info on how to use it. Any pointers on how to boot from a TU-58 image? TIA, BLS Using simh v4.0 from github, in the PDP11 simh ini file: *set tdc enable** **attach tdc0 tu58.dsk* then assuming tu58.dsk is a bootable image: *boot tdc0* Only two units 0,1 are supported (just like a real dual

Re: TU-58 in simh

2017-04-21 Thread Don North via cctalk
on how to boot from a TU-58 image? TIA, BLS Using simh v4.0 from github, in the PDP11 simh ini file: set tdc enable attach tdc0 tu58.dsk then assuming tu58.dsk is a bootable image: boot tdc0 Only two units 0,1 are supported (just like a real dual drive) and the images must be 262,144

Re: TU-58 in simh

2017-04-21 Thread Don North via cctalk
On 4/21/2017 4:25 PM, Brian L. Stuart via cctalk wrote: I've seen suggestion that TU-58s are emulated in simh on PDP-11s. However, I'm not seeing it in a show dev and my google-fu is failing me to find any info on how to use it. Any pointers on how to boot from a TU-58 image? TIA, BLS Using

TU-58 in simh

2017-04-21 Thread Brian L. Stuart via cctalk
I've seen suggestion that TU-58s are emulated in simh on PDP-11s. However, I'm not seeing it in a show dev and my google-fu is failing me to find any info on how to use it. Any pointers on how to boot from a TU-58 image? TIA, BLS

Re: TU-58

2015-12-07 Thread rod
ace of the nasty black mess. So I put everything back and turned on. Lo and Behold LED on the board flashed once and stayed on. I had been told (Tony D I think) thats what its supposed to do. Anybody know whats the quickest way to test a TU-58? As expected, my approach will always be ba

Re: TU-58

2015-12-07 Thread Pete Turnbull
On 06/12/2015 17:27, Jerome H. Fine wrote: In addition, even before that, you must match the CSR and VECTOR with the DL port you are using. On a Qbus system with a DLV11-J, usually the first DL port is: SET DD CSR=176500 SET DD VECTOR=300 On a PDP-11/23, there is an extra port at: SET DD

Re: TU-58

2015-12-07 Thread Johnny Billquist
On 2015-12-07 10:24, Pete Turnbull wrote: On 06/12/2015 17:27, Jerome H. Fine wrote: In addition, even before that, you must match the CSR and VECTOR with the DL port you are using. On a Qbus system with a DLV11-J, usually the first DL port is: SET DD CSR=176500 SET DD VECTOR=300 On a

Re: TU-58

2015-12-07 Thread rod
yed on. I had been told (Tony D I think) thats what its supposed to do. Anybody know whats the quickest way to test a TU-58? As expected, my approach will always be based on using RT-11. There are DD(X).SYS device drivers available up to V05.04G of RT-11. If you are able to boot one of th

Re: TU-58

2015-12-06 Thread Jerome H. Fine
nce and stayed on. I had been told (Tony D I think) thats what its supposed to do. Anybody know whats the quickest way to test a TU-58? As expected, my approach will always be based on using RT-11. There are DD(X).SYS device drivers available up to V05.04G of RT-11. If you are able to boot

RE: TU-58

2015-12-05 Thread tony duell
> > TU58 's is ready to test. I tried it in a spare serial port on a VS 3100. > Result nothing. I suspect the port is 423 and the tu58 232. Actually the TU58 serial port has the differential driver and receivers used on the later serial ports. It should talk to DECs version of RS423 with no

Re: TU-58

2015-12-05 Thread Johnny Billquist
On 2015-12-05 13:29, tony duell wrote: TU58 's is ready to test. I tried it in a spare serial port on a VS 3100. Result nothing. I suspect the port is 423 and the tu58 232. Actually the TU58 serial port has the differential driver and receivers used on the later serial ports. It should talk

Re: TU-58

2015-12-05 Thread rod
And we have a runner.. it was set for 19.2k A quick change of config.sys and off we go. I have only one cartridge so no tape to tape Pc to tape works. So now to find one of my systems with a spare serial port R On 05/12/15 16:15, Johnny Billquist wrote: On 2015-12-05 13:29, tony duell wrote:

RE: TU-58

2015-12-05 Thread tony duell
rial ports. It should talk to DECs version of RS423 with no > > problems at all. > > Not only that, but you can normally go between 232 and 423 with no > problem. I suspect there is something else wrong with the port, or the > software... So do I Firstly, what are the j

Re: TU-58

2015-12-05 Thread rod
Hi At the moment I have it connected to an old laptop running msdos and gizmos driver for same. Its showing signs of life at 38400. I have BOB in circuit and can see the commands going to it. Some times it responds and sometimes it does not. Rod On 05/12/15 12:29, tony duell wrote:

TU-58

2015-12-04 Thread Rod Smallwood
. Anybody know whats the quickest way to test a TU-58? Rod

Re: TU-58

2015-12-04 Thread Al Kossow
On 12/4/15 6:40 AM, Pontus Pihlgren wrote: I seem to recall that the "roller" in the cartridge also turns to goo, might want to check that out also. Nope, it's hard plastic. They have been known to have crescents worn into them if the tape jams and it can't spin against the pinch roller

Re: TU-58

2015-12-04 Thread Pontus Pihlgren
it in place of the nasty black mess. > >So I put everything back and turned on. Lo and Behold LED on the board > >flashed once and stayed on. > > > >I had been told (Tony D I think) thats what its supposed to do. > > > >Anybody know whats the quickest way to test

Re: TU-58

2015-12-04 Thread Chris Elmquist
d LED on the board >flashed once and stayed on. > >I had been told (Tony D I think) thats what its supposed to do. > >Anybody know whats the quickest way to test a TU-58? Put a cartridge in and if the belt in the cartridge breaks, it's working ;-) Chris -- Chris Elmquist

Re: TU-58

2015-12-04 Thread Rod Smallwood
Yes thats right nothing soft inside the case. On 04/12/2015 15:28, Al Kossow wrote: On 12/4/15 6:40 AM, Pontus Pihlgren wrote: I seem to recall that the "roller" in the cartridge also turns to goo, might want to check that out also. Nope, it's hard plastic. They have been known to have

Re: TU-58 (TU-10)

2015-12-04 Thread David Gesswein
On Wed, Dec 02, 2015 at 12:31:42PM -0600, Paul Anderson wrote: > > Any one have ideas for a TU10 or other tape drive capstans? > I went with http://www.terrysrubberrollers.com/. Since the TU10 just wraps the tape around the capstan it needs to be pretty high friction. The material used was a

RE: TU-58

2015-12-04 Thread tony duell
> > Hi Tony > Thats interesting I had thought about a model makers lathe. > I have a pillar drill and the usual set of tools. I am darn glad I asked for a lathe instead of a car (and driving lessons) when my late father offered to buy me the latter. I still can't drive, but I don't

Re: TU-58

2015-12-04 Thread rod
Hi My late uncle had a Myford in a shed at my Grandmothers house in Norfolk. By the time I was tall enough to use it he had moved it to his house down the road TU58 's is ready to test. I tried it in a spare serial port on a VS 3100. Result nothing. I suspect the port is 423 and the tu58

Re: TU-58

2015-12-03 Thread Rod Smallwood
23:20 Aan: General Discussion: On-Topic and Off-Topic Posts Onderwerp: Re: TU-58 Hi Well it certainly works for you Rik. I dont speak Dutch and its not clear exactly which of the products you refer to. The end of hub appears to have been turned on a lathe. So if you speak Dutch and have

RE: TU-58

2015-12-03 Thread Rik Bos
> -Oorspronkelijk bericht- > Van: cctalk [mailto:cctalk-boun...@classiccmp.org] Namens Chuck Guzis > Verzonden: woensdag 2 december 2015 23:24 > Aan: General Discussion: On-Topic Posts > Onderwerp: Re: TU-58 > > On 12/02/2015 01:51 PM, Rik Bos wrote: > >

RE: TU-58

2015-12-03 Thread Rik Bos
> -Oorspronkelijk bericht- > Van: cctalk [mailto:cctalk-boun...@classiccmp.org] Namens Rod Smallwood > Verzonden: woensdag 2 december 2015 23:20 > Aan: General Discussion: On-Topic and Off-Topic Posts > Onderwerp: Re: TU-58 > > Hi > Well it certainly wor

RE: TU-58

2015-12-03 Thread Rik Bos
> Thanks .. > That helps. > > 1. The hub measures about 11mm so I should be able to get a 10mm >bore hose on (warm it up a bit might help) . Yep. > 2. What type of glue is best? I use 2k but in the past I used PU-glue, both works fine. > 3. You can see how thick the old

Pi (was: Re: TU-58)

2015-12-03 Thread Tapley, Mark
On Dec 2, 2015, at 5:27 PM, Johnny Billquist wrote: > You need to measure more of them! You've just been unlucky. > > Johnny Unfair advantage! Johnny might actually have driven through Hagfors or Uddeholm! (Also 60° N)

Pi (was: Re: TU-58)

2015-12-03 Thread Tapley, Mark
On Dec 2, 2015, at 5:22 PM, Fred Cisin wrote: > I tried measuring a whole bunch of circles, and I can't find any rational > reason why dividing the circumference by the diameter never came out even! :-) Howzabout: go to Fort Smith, NT, Canada (or thereabouts, 60° N) Walk or

RE: TU-58

2015-12-03 Thread tony duell
> > I tried measuring a whole bunch of circles, and I can't find any rational > reason why dividing the circumference by the diameter never came out even! > :-) Groan! -tony

RE: TU-58

2015-12-03 Thread tony duell
> Hi > Well it certainly works for you Rik. > I dont speak Dutch and its not clear exactly which of the products you > refer to. > The end of hub appears to have been turned on a lathe. > So if you speak Dutch and have a nice big lathe in your shed you can fix > your TU58 Surely you don't

Re: TU-58

2015-12-03 Thread Anders Sandahl
Great! We take it off list from here. Very nice work on the HP by the way! /Anders > Date: Wed, 2 Dec 2015 21:04:55 +0100 > From: Rik Bos <hp-...@xs4all.nl> > To: "General Discussion: On-Topic Posts" <cct...@classiccmp.org> > Subject: RE: TU-58 > Messa

Re: Pi (was: Re: TU-58)

2015-12-03 Thread Fred Cisin
I tried measuring a whole bunch of circles, and I can't find any rational reason why dividing the circumference by the diameter never came out even! :-) On Thu, 3 Dec 2015, Tapley, Mark wrote: Howzabout: go to Fort Smith, NT, Canada (or thereabouts, 60? N) Walk or swim as appropriate,

Re: TU-58

2015-12-03 Thread rod
Hi Tony Thats interesting I had thought about a model makers lathe. I have a pillar drill and the usual set of tools. I did start out as a mechanical engineer and my top subjects at school were metalwork and technical drawing. My metalwork master put me in for those subjects in GCE

Re: TU-58

2015-12-02 Thread Rod Smallwood
Hi Guys Circumference and Diameter are linked by the constant Pi and therefore are an entity. Its a little more complex with a rubber wheel and its indented path. However as we are using closed loop control when the measured term equals the target term there you are. You can get into loop

Re: TU-58

2015-12-02 Thread Ethan Dicks
On Wed, Dec 2, 2015 at 7:40 AM, Rod Smallwood <rodsmallwoo...@btinternet.com> wrote: > I have a TU-58 and yes it had gooey drive wheels. > Now it no longer has that problem but I have black and gooey fingers.!!! Yep. > I know this issue has been addressed before. Yep. > S

Re: TU-58

2015-12-02 Thread Rod Smallwood
the panels I have a couple of days for a little project I have a TU-58 and yes it had gooey drive wheels. Now it no longer has that problem but I have black and gooey fingers.!!! I know this issue has been addressed before. So I think somebody must know where I can get the right tubing to replace

Re: TU-58

2015-12-02 Thread Tony
Mathematically, circumference is PI times diameter or 3.14159. times the diameter. On 12/2/2015 11:06 AM, Fred Cisin wrote: On Wed, 2 Dec 2015, Paul Koning wrote: Actually, it's the circumference that matters, not the diameter. I always thought that there was a relatively stable

Re: TU-58

2015-12-02 Thread Paul Koning
> On Dec 2, 2015, at 10:50 AM, Rod Smallwood > wrote: > > Thanks Jay >Yes there's an optical encoder on the other end of the motor. > Depending on the pressure of the roller on the cassette drive wheel it will > deform more or less. > That

Re: TU-58

2015-12-02 Thread Jay Jaeger
:40 AM, Rod Smallwood wrote: > Dear List > While the silk screeners process the panels I have a > couple of days for a little project > I have a TU-58 and yes it had gooey drive wheels. > Now it no longer has that problem but I have black and gooey fingers.!!! > &

Re: TU-58

2015-12-02 Thread Rod Smallwood
I say.. come on chaps.. this is not math 101. Any more suggestions for sources of a bit of rubber tube? Rod Smallwood On 02/12/2015 16:13, Tony wrote: Mathematically, circumference is PI times diameter or 3.14159. times the diameter. On 12/2/2015 11:06 AM, Fred Cisin wrote: On Wed, 2

Re: TU-58

2015-12-02 Thread Paul Koning
I'm sorry for stirring up this hornet's nest. I actually meant to ask a real question, and the way I phrased it made a mess of things. The real question: for rubber rollers in this sort of application, does the distortion that occurs significantly affect the circumference? Or is the nature

Re: TU-58

2015-12-02 Thread Fred Cisin
On Wed, 2 Dec 2015, Paul Koning wrote: I'm sorry for stirring up this hornet's nest. Well, I put "emoticons" in, in a futile attempt to indicate that I was joking. ("emoticon captioned for the humo[u]r impaired") I also hoped that the "in some states" would give a further hint to that. I

RE: TU-58

2015-12-02 Thread tony duell
> > Circumference and Diameter are linked by the constant Pi and therefore > are an entity. > Its a little more complex with a rubber wheel and its indented path. Indeed. And that may even depend on the type of 'rubber' used and how it deforms when pressed against the cartridge drive wheel.

Re: TU-58

2015-12-02 Thread Rod Smallwood
I'd rarther get a bit of tube for my TU58. Hint The key is to understand the nature of elasticity in particular the rate change with respect to time. On 02/12/2015 16:48, Paul Koning wrote: I'm sorry for stirring up this hornet's nest. I actually meant to ask a real question, and the way I

Re: TU-58

2015-12-02 Thread Jay Jaeger
o a >> reasonable O.D. size (IIRC). Worked great. >> >> I don't know that the diameter is absolutely critical - I think it has >> some kind of speed encoding. >> >> On 12/2/2015 6:40 AM, Rod Smallwood wrote: >>> Dear List >>> While the

Re: TU-58

2015-12-02 Thread Jay Jaeger
In my case the roller does not distort noticeably - it was pretty stiff material. JRJ On 12/2/2015 10:48 AM, Paul Koning wrote: > I'm sorry for stirring up this hornet's nest. > > I actually meant to ask a real question, and the way I phrased it made a mess > of things. The real question:

Re: TU-58

2015-12-02 Thread Paul Anderson
hile the silk screeners process the panels I have a > > couple of days for a little project > > I have a TU-58 and yes it had gooey drive wheels. > > Now it no longer has that problem but I have black and gooey fingers.!!! > > > > I know this issue has been addressed be

Re: TU-58

2015-12-02 Thread Rod Smallwood
Sorry forgot to use feed back from the tape. Usually a timing track or a phase locked loop clock drived from the data stream. Don't worry On 02/12/2015 17:50, tony duell wrote: Circumference and Diameter are linked by the constant Pi and therefore are an entity. Its a little more complex

RE: TU-58

2015-12-02 Thread Rik Bos
20:51 Aan: "cct...@classiccmp.org" <cct...@classiccmp.org> Onderwerp: Re: TU-58 > Date: Wed, 2 Dec 2015 12:40:08 + > From: Rod Smallwood <rodsmallwoo...@btinternet.com> > To: "General Discussion: On-Topic and Off-Topic Posts" > <cctal

Re: TU-58

2015-12-02 Thread Chuck Guzis
On 12/02/2015 01:51 PM, Rik Bos wrote: It's not the first time this discussion comes around.. Poly Urethane rubber, it's called in dutch 'precisie buis/slang' and you can get it in several sizes from 6mm to . large http://www.deboerit.nl/ is my supplier it's a local firm. That's curious--when

Re: TU-58

2015-12-02 Thread Jay Jaeger
I don't know that the diameter is absolutely critical - I think it has >> some kind of speed encoding. >> >> On 12/2/2015 6:40 AM, Rod Smallwood wrote: >>> Dear List >>> While the silk screeners process the panels I have a >>> coupl

Re: TU-58

2015-12-02 Thread Rod Smallwood
the search goes on. Rod On 02/12/2015 21:51, Rik Bos wrote: -Oorspronkelijk bericht- Van: cctech [mailto:cctech-boun...@classiccmp.org] Namens tony duell Verzonden: woensdag 2 december 2015 22:29 Aan: General Discussion: On-Topic Posts Onderwerp: RE: TU-58 This is the picture.. https

RE: TU-58

2015-12-02 Thread Rik Bos
> -Oorspronkelijk bericht- > Van: cctech [mailto:cctech-boun...@classiccmp.org] Namens tony duell > Verzonden: woensdag 2 december 2015 22:29 > Aan: General Discussion: On-Topic Posts > Onderwerp: RE: TU-58 > > > > > This is the picture.. > >

Re: TU-58

2015-12-02 Thread Anders Sandahl
> Date: Wed, 2 Dec 2015 12:40:08 + > From: Rod Smallwood <rodsmallwoo...@btinternet.com> > To: "General Discussion: On-Topic and Off-Topic Posts" > <cctalk@classiccmp.org> > Subject: TU-58 > Message-ID: <565ee6a8.2030...@btinternet.com> >

RE: TU-58

2015-12-02 Thread tony duell
> > This is the picture.. > https://www.flickr.com/photos/hp-fix/9452805294/in/album-72157634959418702/ > I'm using a special kind of hose, which is precisely made. OK, what is it called, who makes it, and where can you buy it? -tony

Re: TU-58

2015-12-02 Thread Fred Cisin
I tried measuring a whole bunch of circles, and I can't find any rational reason why dividing the circumference by the diameter never came out even! :-) On Thu, 3 Dec 2015, Johnny Billquist wrote: You need to measure more of them! You've just been unlucky. OK! I started to wonder whether I

Re: TU-58

2015-12-02 Thread Johnny Billquist
On 2015-12-03 00:22, Fred Cisin wrote: On Wed, 2 Dec 2015, Tony wrote: Mathematically, circumference is PI times diameter or 3.14159. times the diameter. That's of a CIRCLE, and once you deform it, it ceases to be a circle. I tried measuring a whole bunch of circles, and I can't find

TU-58

2015-12-02 Thread Rod Smallwood
Dear List While the silk screeners process the panels I have a couple of days for a little project I have a TU-58 and yes it had gooey drive wheels. Now it no longer has that problem but I have black and gooey fingers.!!! I know this issue has been addressed before. So I think