[cctalk] Re: Scada computers and remote terminal units

Two quick comments on this thread. We have all heard of PDP_11's being used in nuclear power stations which is SCADA when you come tight down to it but I had the opportunity to run in to another use. Many (about 40!) years ago I worked for Martin Marietta (now Lockheed Martin). I used to mak

[cctalk] PDP-11/93 memory question

I have an 11/93 with 2MB of memory onboard. I would like to kick it up to 4MB. I got some memory a while ago that was supposed to be PMI for it but it turned out to be UNIBUS and thus no help. I have some old fashioned QBUS memory module floating around. Will these work to add the missing 2MB

[cctalk] Re: 9-Track Tape Extraction

On 7/17/2025 10:36 AM, Jonathan Katz via cctalk wrote: This is something Dave McGuire could assist with at the LSSM, too, I wager. Even I still have a 9-track tape. Doesn't everybody? :-) Mine is SCSI so I can use it on any of a number of different systems although I have to admit I haven'

[cctalk] Re: VAX 86x0 schematics

On 7/6/2025 2:21 PM, Gary Grebus via cctalk wrote: On 7/4/25 11:07, Jon Elson via cctalk wrote: We had a TU77 on a VAX 11/780.  (Should have waited for the TU78.) Maybe not.  IIRC, the TU78 had a bunch of teething problems.  I definitely remember many 2 AM phone calls from the night shif

[cctalk] Re: Databook Library to be scrapped

On 7/2/2025 7:35 PM, Mike Stein via cctalk wrote: We cleaned out a similar collection a couple of years ago; we piled them all on a pallet, shrink-wrapped them, and donated them to a local college who were delighted to receive them. Based on my experience (25 years in the CS Department of a

[cctalk] Re: eBay strikes again!!

On 6/20/2025 4:41 PM, Henry Bent via cctalk wrote: Sadly, the cost of shipping it freight probably outweighs the money you would get back by parting it out on eBay. You mean like this one? :-) ULTRA RARE PDP-11 DIGITAL DEC 1970's PC05 PR11 HIGH SPEED Tape Reader ONLY $2.00 $580.00 shipping

[cctalk] eBay strikes again!!

Just when I thought eBay couldn't get much stupider... I went out to see if I could find a current going price for PDP-11 Pedestal Boxes as I have a couple I would like to cull from my collection. I came upon this: DEC PDP 11/23 - BC needs Power Supply Repair, NO cards, Vintage DEC History $900

[cctalk] Re: eBay strikes again!!

On 6/20/2025 1:15 PM, Tom Uban via cctalk wrote: On 6/20/25 11:56, Bill Gunshannon via cctalk wrote: Just when I thought eBay couldn't get much stupider... I went out to see if I could find a current going price for PDP-11 Pedestal Boxes as I have a couple I would like to cull fr

[cctalk] Re: What was this AT&T SCSI enclosure for?

On 6/2/2025 2:26 PM, Andrew B via cctalk wrote: Richard Schauer via cctalk writes: On 2025-06-02 06:08, Ken Seefried via cctalk wrote: On Sun, Jun 1, 2025 at 11:08 PM Andrew B via cctalk wrote: Here's a pic: https://jumpshare.com/s/lsa1xlnzYYOwUgUfkphK Seems like the 6300 aesthetic

[cctalk] Re: What was this AT&T SCSI enclosure for?

On 6/1/2025 10:04 AM, Christopher Zach via cctalk wrote: Sounds like a box for a 7300. Pics? Pics might be nice. Based on the color description I was thinking 3B2. I had a half dozen 7300's but I never saw a SCSI card for the 7300 and I don't remember brown in the color scheme other than

[cctalk] Re: TRS-80 BASIC oddity

On 5/29/2025 11:03 AM, Bill Degnan via cctalk wrote: Now you're tempting me to get out a Model III to try this! Just grab an emulator. The problem is in the software, not the hardware. bill

[cctalk] Re: TRS-80 BASIC oddity

On 5/29/2025 9:20 AM, Tony Duell wrote: On Thu, May 29, 2025 at 2:04 PM Bill Gunshannon via cctalk wrote: On 5/28/2025 4:32 AM, Sean Conner via cctalk wrote: Nope. ECB supports hexadecimal constants. It sounds like the BASIC you have doesn't. I know Microsoft's 8-bit B

[cctalk] Re: TRS-80 BASIC oddity

On 5/28/2025 4:32 AM, Sean Conner via cctalk wrote: Nope. ECB supports hexadecimal constants. It sounds like the BASIC you have doesn't. I know Microsoft's 8-bit BASICs were all compiled from a common code base, so it may be that the Model III BASIC didn't opt for hexadecimal support, b

[cctalk] Re: TRS-80 BASIC oddity

On 5/28/2025 11:09 AM, Gavin Scott via cctalk wrote: On Tue, May 27, 2025 at 7:08 PM Bill Gunshannon via cctalk wrote: So, I copied the example program from page 115 of the Model III Disk System Owner's Manual and, guess what, it didn't work either. 150 DEFUSR1 = &H7D00 re

[cctalk] Re: TRS-80 BASIC oddity

On 5/28/2025 9:37 PM, Doug Jackson wrote: They are different representations of 9C Hexadecimal  (10011100). But they are not the form used by TRS-80 BASIC. It uses the format "&H7D00" (and &O1777 for OCTAL) as depicted not only in the example I tried to use from Page 115 of the manual but

[cctalk] Re: TRS-80 BASIC oddity

On 5/27/2025 8:32 PM, Bill Degnan via cctalk wrote: $9C or 9Ch. Try these? What are the supposed to mean? bill

[cctalk] TRS-80 BASIC oddity

I am going to assume there are other TRS-80 people hanging out here and go ahead and ask this: Has anyone here used the DEFUSRx command? I tried to use it for something I am working on and it didn't work. So, I copied the example program from page 115 of the Model III Disk System Owner's Manu

[cctalk] Re: IBM 5155

Well, I did it. I obviously haven't been there in at least 10 years and in all likelihood won;t be there again for another 10 years (if I even live that long). Why did it make a difference? bill On 5/21/2025 11:59 AM, Phill Kennedy via cctalk wrote: Bill, Please update your email on QRZ.com

[cctalk] Re: IBM 5155

On 5/21/2025 11:59 AM, Phill Kennedy via cctalk wrote: Bill, Please update your email on QRZ.com to a working email address. Thanks Phill, a fellow ham. Huh? I am not aware of having anything at all to do with QRZ.com so I have no idea what address they might have for me or where it cam

[cctalk] IBM 5155

I just managed to score a 5155. Well, soon, it is waiting for me to pick it up at the University where I used to work. It looks to be in really good shape and has been in storage for probably two decades or more. A couple quick question for anyone familiar with this system. Is it likely ther

[cctalk] Re: Summer house keeping.

On 5/10/2025 8:15 PM, Chris Hanson via cctalk wrote: On May 10, 2025, at 3:38 PM, Van Snyder via cctalk wrote: Does the Computer History Museum want any of this? Why would you ask this? Do you want it to wind up in a warehouse or behind a velvet rope to never be used again? Or in a d

[cctalk] Re: PDP-11 hardware clock

On 5/4/2025 1:10 PM, Glen Slick via cctalk wrote: One option for a QBus time of day clock calendar card is the DIGITAL PATHWAYS INC TCU-50, for example: https://www.ebay.com/itm/177058714800 https://bitsavers.org/pdf/digitalPathways/tcu-50.pdf If you have a free serial port there is always

[cctalk] Converting raw images to floppy images

Can anyone here tell me what tool I can use to create DSK, DMK or IMD files from files with the extensions "raw" and VOL? I am once again trying to get the CPM Adaptable System for UCSD Pascal to work on an emulator. I would also like to try and get the PDP-11 version of UCSD Pascal running aga

[cctalk] Re: Why I am not worried about AI taking over the world!

On 4/8/2025 7:19 PM, Ethan O'Toole via cctalk wrote: Nay-saying is always easy.  I'd rather hear from smart people who can tell me whether or how a tool is useful now, as well as how it might enhance projects in the future. Why couldn't a present or future AI help you translate from one BASIC

[cctalk] Re: Why I am not worried about AI taking over the world!

On 4/5/2025 8:23 PM, Fred Cisin via cctalk wrote: In those days, FORTRAN IV was handy as a "portable" language just because it was the one language (other than COBOL) available *everywhere*.  It could be used as a sort of "high level assembler" too. "FORTRAN --"the infantile disorder"--, by

[cctalk] Re: Why I am not worried about AI taking over the world!

On 4/4/2025 11:15 PM, ben via cctalk wrote: On 2025-04-04 8:37 p.m., Michael Huff via cctalk wrote: I've played with using ChatGPT to write code for older things (quickbasic, 1990's C++, stuff like that). In my experience it gets confused and gives you snippets that has features from later,

[cctalk] Re: Altair BASIC Source Code released

On 4/4/2025 2:00 PM, Alan Frisbie via cctalk wrote: Bob Grabau write: > As my memory serves, there was a class given by the Southern > California Computer Society (SCCS) in which the disassembled the > Altair Basic (not sure if it was the 4k or 8k version) and used the > output of that d

[cctalk] Re: Why I am not worried about AI taking over the world!

On 4/1/2025 11:59 PM, b...@tds.net wrote: I did some programming on the TRS-80 Model 4 back in the 80's so it has been a long time. I did add some functionality using machine code. I had a screen that displayed options to the user but took a long time to print it. So the first time it prin

[cctalk] Re: Why I am not worried about AI taking over the world!

On 4/2/2025 9:31 PM, ben via cctalk wrote: On 2025-04-02 6:10 p.m., Bill Gunshannon via cctalk wrote: Except that no one ever wrote code like it offered me cause it was just plain wrong and wouldn't work. I write code like that all the time:) What would you write code like tha

[cctalk] Re: Why I am not worried about AI taking over the world!

On 4/2/2025 2:37 PM, Johan Helsingius via cctalk wrote: On 02/04/2025 19:44, John Foust via cctalk wrote: Think of it like old-school "pair programming" that gives you a friend in your cube to talk to. As long as you remember that the "AI" (really not AI, just a generative large language mo

[cctalk] Re: Why I am not worried about AI taking over the world!

On 4/2/2025 12:46 PM, Tony Duell wrote: On Wed, Apr 2, 2025 at 3:01 AM Bill Gunshannon via cctalk wrote: So, I am working on another fun project on my trusty old TRS-80's. I need the ability to do multi-line functions which TRS-80 BASIC does not support. Actually there was an of

[cctalk] Re: Why I am not worried about AI taking over the world!

On 4/2/2025 10:06 AM, Jonathan Chapman via cctalk wrote: On Tuesday, April 1st, 2025 at 21:32, Fred Cisin via cctalk wrote: One shortcoming, that has come up before, is that it is taught to NOT say, "I don't know" Heh, I worked with a guy like that once. Unfortunately, he was in sales, s

[cctalk] Re: Why I am not worried about AI taking over the world!

And now I have to clean the coffee out of my keyboard I asked the question with slightly different wording and got a totally different explanation with even more absurd examples. I think I'll ask it to write me a PL/M Compiler in TRS-80 BASIC. :-) bill

[cctalk] Why I am not worried about AI taking over the world!

So, I am working on another fun project on my trusty old TRS-80's. I need the ability to do multi-line functions which TRS-80 BASIC does not support. But in hopes of finding something where someone added that capability in the distant past (there were lots of features added by various people ov

[cctalk] Re: AI? Really?

On 1/25/2025 1:04 AM, Fred Cisin via cctalk wrote: On Fri, 24 Jan 2025, Frank Leonhardt via cctalk wrote: The theory that the earth is flat is clearly disproven. Aristotle worked it it was basically spherical, yet crackpots believe it's flat to this day - often because their scripture said o

[cctalk] AI? Really?

A little humor for the group. Among my other "legacy" systems I also have and still fool around with a bunch of TRS-80's. Believe it or not, the Z80 based TRS-80's were among the systems for which a version of STVOS was available. Thought I would look to see if any of it was still floating ar

[cctalk] Re: Try Algol 68 on Windows

On 1/13/2025 4:31 PM, Wayne S via cctalk wrote: Re: “Algol seemed to vanish off the face of the earth. “ I think the popularity of languages is due to how trendy they are to teach in Colleges. Witness the popularity of Python. That’s being taught in school these days. Thus the reason I am

[cctalk] Re: Try Algol 68 on Windows

On 1/13/2025 3:57 PM, ben via cctalk wrote: On 2025-01-13 12:18 p.m., Brent Hilpert via cctalk wrote: Funny when the 8 and 16 bit micros hit the market, Algol seemed to vanish off the face of the earth. Was 64KB too small a address space? ALGOL ran just fine on the PDP-11. bill

[cctalk] Re: VT-100 Text Windows library

On 12/5/2024 9:19 PM, Jon Elson via cctalk wrote: On 12/5/2024 5:51 PM, Wayne S wrote: Oh. You didn’t specify the host type, although an esp MAY be fast enough. The Vax wasn’t that fast to begin with and ran in less than 4 MB memory so maybe… The first VAX 11/780 I used came with 512 KB

[cctalk] Re: VT-100 Text Windows library

On 12/5/2024 6:16 PM, Wayne S via cctalk wrote: Under VMS i think the smg$ routines did that. I was going to mention something from the old comp.source.xxx newsgroup but it would have been for Unix and he specifically said bare metal. bill

[cctalk] Re: Passing of T. Kurtz

On 11/15/2024 8:49 PM, Mike Katz wrote: Which "The Book" are you talking about. BASIC PROGRAMMING Second Edition By John G. Kemeny and Thomas E. Kurtz Is there any other authority on BASIC? bill

[cctalk] Re: Passing of T. Kurtz

On 11/15/2024 9:29 AM, Murray McCullough via cctalk wrote: Today another giant in the ‘microcomputer’ industry has passed: Thomas Eugene Kurtz a computer scientist, co-creator/inventor with John Kemeny of the BASIC language that I grew up with. Somewhat dates me! I still have my copy of T

[cctalk] Re: Running DOS executables on other versions of DOSRe: Looking for Sharp PC-5000 disk drive (CE-510F or possibly MZ-80B)

On 11/4/2024 1:38 PM, Fred Cisin via cctalk wrote: Non-descript 5.25  DS/DD  (they don't format as 1.2M disk using a 1.2 5.25" drive, so I'm pretty sure they are actual 360KB disks).   That said, I On Mon, 4 Nov 2024, osi.superboard via cctalk wrote: from my experience, these "Non-descript"

[cctalk] Re: Ward Christensen NY Times Obituary

On 11/2/2024 5:26 AM, Johan Helsingius via cctalk wrote: On 11/2/24 01:15, Bill Degnan via cctalk wrote: For a few year VMS was the OS of the "internet".  I remember wondering in 1991 or 1992 if UNIX would still be around by 2000 From what I can recall, there were a lot of VAXen on the net

[cctalk] Re: Ward Christensen NY Times Obituary

On 10/24/2024 10:04 PM, ben via cctalk wrote: On 2024-10-24 4:35 p.m., Bill Gunshannon via cctalk wrote: And yet, Minix ran on the 8088. NO the PC, and even then it was developed under a UNIX emulator. Some where I read, wen ported to the PC it would randomly crash. This was later found

[cctalk] Re: Ward Christensen NY Times Obituary

On 10/23/2024 10:46 PM, Fred Cisin via cctalk wrote: On Thu, 24 Oct 2024, Doug Jackson via cctalk wrote: Yes, UUCP was literally a thing, but UNIX was unobtanium in the early computing eral - The world of the University Minicomputer. It certainly wasn't even vaguely accessible by a hobbyist

[cctalk] Re: Ward Christensen NY Times Obituary

On 10/23/2024 3:22 PM, Fred Cisin via cctalk wrote: On Wed, 23 Oct 2024, Robert Feldman via cctalk wrote: Ward Christensen, Early Visionary of Social Media, Dies at 78 https://www.nytimes.com/2024/10/21/technology/ward-christensen-dead.html?unlocked_article_code=1.UU4.nswM.540OUXuySX84&smid

[cctalk] Re: NTE is dead

On 10/1/2024 1:31 PM, Jon Elson via cctalk wrote: And, you are very lucky!  We used to have two electronic stores, and now both have closed up. When I was a kid we had a dozen. 8 Retail and 4 wholesale (but sold singles and small quantities to the public). Today, we also have none. R

[cctalk] Re: auction starting in 50 minutes

On 9/12/2024 10:44 PM, Bill Degnan via cctalk wrote: Yes, but a Christies certificate of authentication is a gold standard. Only that you got it from Christies. bill

[cctalk] Re: auction starting in 50 minutes

Buyer can forever say this was Paul Allen's [item name].  The providence On Thu, 12 Sep 2024, Bill Gunshannon via cctalk wrote: How do you prove it?  Kinda like Babe Ruth baseballs. The closest that you can get is records of the serial number. And statements of experts. A signed st

[cctalk] Re: auction starting in 50 minutes

On 9/12/2024 9:01 PM, Bill Degnan via cctalk wrote: I wonder if anyone has done a study of high-profile auction sale prices vs apples to apples contemporary sales prices (ebay, etc) of the same item. Paul Allen's [item name] will always sell for more that Joe Schmo's [item name]. Buyer can fo

[cctalk] Re: auction starting in 50 minutes

On 9/12/2024 8:29 PM, Brent Hilpert via cctalk wrote: This lot-group is closed. Sale prices were insane. https://onlineonly.christies.com/s/firsts-history-computing-paul-g-allen-collection/lots/3726

[cctalk] Re: Antonio's call for donations (was LCM auction)

On 8/30/2024 1:45 PM, Norman Jaffe via cctalk wrote: You do realize that 'Pureblood' is a phrase most definitely associated with the Aryan Nations and other neo-Nazi, white supremacist hate groups? And Wizards and Witches. Don't forget them. bill

[cctalk] Re: LCM auction

On 8/29/2024 2:46 PM, Wayne S via cctalk wrote: Speaking of Bill Gates, does anyone know if he collects? He might collect something but I doubt it has anything to do with computers. I don't think he ever had any interest in computers other than as a means to get rich. And at the time he s

[cctalk] Re: LCM auction

On 8/29/2024 8:11 AM, cz via cctalk wrote: Unfortunately, museums are no longer a safe place for donated and rare artifacts. Paul Allen's heirs just want to keep their $17 billion for themselves. Never have been. If there is one thing in life I have learned it's that the purpose of a museu

[cctalk] Re: LCM auction

On 8/27/2024 10:10 AM, Sellam Abraham via cctalk wrote: On Fri, Aug 23, 2024, 5:33 AM Bill Degnan via cctalk wrote: $3400 for the premier issue of Mac World? Who would pay that much for this? Bill That's pretty much what I'm thinking for the vast majority of this stuff. The Altair 8800

[cctalk] Re: MS-DOS

On 8/6/2024 2:31 PM, maddox--- via cctalk wrote: On 01.08.2024 16:28, Royce Taft via cctalk wrote: Wasn’t Vista “Mojave”? As others noted, "Mojave" was the name of a MacOS release.  There was, however, an ad campaign that Microsoft ran in an attempt to counter the bad press that Windows V

[cctalk] Re: Estate Planning was: Re: Auction houses vs ebay

On 7/18/2024 8:56 AM, mark audacity romberg via cctalk wrote: Why not arrange for a reseller or auction house to buy it wholesale, rather than having it all destroyed? It’s rare stuff that someone else could enjoy, and it doesn’t have to be sold piecemeal or involve her dealing with any of t

[cctalk] Re: LCM auction pre-notice

On 7/14/2024 7:14 PM, Wayne S via cctalk wrote: Trying to compare a billionaire’s estate collection with people like us is futile. Most of us collectors will die and our collection wont be of interest to the IRS because it won’t amount to much. Pauls collection, on the other hand, will be o

[cctalk] Re: LCM auction pre-notice

On 7/14/2024 12:27 PM, cz via cctalk wrote: Thanks for the notice. Not that any of us will be high bidders but good to at least follow along with the community that cares. I'd be happy if a rich person bought the stuff, at least it would not be scrapped. What makes you think that? Some

[cctalk] Re: what to do with our "treasures"

On 6/27/2024 11:46 AM, Mark Linimon wrote: On 06/27/2024 9:36 AM CDT Bill Gunshannon via cctalk To date, I have sold nothing. I once went back to the list that suggested I use ebay to report my failure only to be greeted with, "Well, what did you expect. You are not an established s

[cctalk] Re: Revocable Living Trust for Computer Collectors

On 6/27/2024 1:29 AM, Sellam Abraham via cctalk wrote: On Wed, Jun 26, 2024 at 9:17 PM Doc Shipley via cctalk < cctalk@classiccmp.org> wrote: Much, much more important than the money, though, is the impact leaving a large collection would have on my descendants. News Flash: THESE TREASURES

[cctalk] Re: Revocable Living Trust for Computer Collectors

On 6/26/2024 9:47 PM, Wayne S via cctalk wrote: Everyone have their collections appraised and see what their worth. Might be eye-opening. You are right. Especially when the number comes in around $0.00. I have attempted to sell off parts of my collection at various times when situations

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

On 6/5/2024 9:33 AM, Bill Degnan via cctalk wrote: On Wed, Jun 5, 2024 at 9:03 AM Will Cooke via cctalk wrote: On 06/05/2024 7:17 AM CDT Liam Proven via cctalk wrote: It isn't personal if an ordinary person can't afford it. That isn't _the people_. The People means hoi polloi. It

[cctalk] Re: Experience using an Altair 8800 ("Personal computer" from 70s)

On 5/28/2024 2:28 PM, Jon Elson via cctalk wrote: On 5/28/24 10:00, CAREY SCHUG via cctalk wrote: Au crontraire, I belive the first mobile phones were mostly purchased by corporations for their executives to use, if the executive left, the phone stayed with the corporation.  Early mobile pho

[cctalk] Re: Help? Programming SCM90448 EPROMs

On 5/28/2024 9:01 AM, emanuel stiebler wrote: On 2024-05-28 08:46, Bill Gunshannon via cctalk wrote: I would love to have copies of the image HEX files so I could get some of mine running again. What do you have, an 11/23+ or BDV? I have both available. But mostly I would like to find

[cctalk] Re: terminology [was: First Personal Computer]

On 5/26/2024 2:11 PM, ben via cctalk wrote: how many people here still use the 16Kb (favorite machine) with tape IO? I can, and have recently. TRS-80 Model I. In order to do some stuff with Tiny Pascal. But not so much any more as the machine also has 48K available if I hook up the EI

[cctalk] Re: terminology [was: First Personal Computer]

On 5/26/2024 2:50 AM, ben via cctalk wrote: I think the most important thing for a Personal Computer, is the average Joe, can afford and use it. The second thing is to have ample memory and IO to run useful programs. The  basic Apple I,II does not count as many others as it had BASIC in ROM

[cctalk] Re: First Personal Computer

On 5/25/2024 12:09 PM, Chuck Guzis via cctalk wrote: On 5/25/24 08:14, Jon Elson via cctalk wrote: Yes, the Bendix G-15 was said to be the first personal computer. It was as big as a refrigerator, and weighed a LOT more, and drew much more power.  (300 vacuum tubes, 3000 Germanium diodes,  d

[cctalk] Re: Help? Programming SCM90448 EPROMs

On 5/27/2024 5:47 AM, emanuel stiebler via cctalk wrote: On 2024-05-26 12:30, Glen Slick via cctalk wrote: On Sun, May 26, 2024 at 4:26 AM Glen Slick wrote: Anyway, if the SCM90448 EPROMs for your M8189 KDF11-B are actually Motorola MC68764 / MC68766 EPROMs, I have one board with MCM68

[cctalk] Re: Thirties techies and computing history

On 5/19/2024 11:14 AM, Tarek Hoteit via cctalk wrote: A friend of a friend had a birthday gathering. Everyone there was in their thirties, except for myself, my wife, and our friend. Anyway, I met a Google engineer, a Microsoft data scientist, an Amazon AWS recruiter (I think she was a recru

[cctalk] ANSI-M (Mumps) and the VA

With the VA dropping Vista what happens to that army of Mumps programmers they had? Can't see much call for them in the IT world today. Seems like a worse fate than COBOL Programmers. bill

[cctalk] Re: APL (Was: BASIC

On 5/8/2024 10:30 AM, Paul Koning via cctalk wrote: On May 8, 2024, at 10:25 AM, Harald Arnesen via cctalk wrote: Paul Koning via cctalk [07/05/2024 19.31]: (Then again, I had a classmate who was taking a double major: math and music composition...) Mathemathics and music is not a r

[cctalk] Re: Double Density 3.5" Floppy Disks

On 5/6/2024 2:28 PM, Wayne S via cctalk wrote: > You do need a very strong magnet. I’ve put 3.5 floppies on top of > a mag tape demagnitizer ( not technically called that, but you know > what i mean) and it had no effect at all. I could still read them fine > in my pc. I surmised that the magnetic

[cctalk] Re: BASIC

On 5/3/2024 10:13 AM, KenUnix via cctalk wrote: Steve, Where would you fit the Tandy Model 100 in here? Ultimately it supported a disk drive, ran basic and also sported an expansion box that included video support and a floppy. Ultimately, so did the TRS-80. At least Model I, III and 4. a

[cctalk] Re: MS-DOS source code

On 5/2/2024 9:27 AM, geneb via cctalk wrote: On Thu, 2 May 2024, Will Cooke via cctalk wrote: Some may find this interesting.  Microsoft has released the source for MS-DOS versions 1.25, 2, and 4. https://github.com/microsoft/MS-DOS I think the most interesting thing about this is that

[cctalk] Re: APL (Was: BASIC

On 5/1/2024 8:04 PM, Chuck Guzis via cctalk wrote: On 5/1/24 16:51, Fred Cisin via cctalk wrote: APL was incredible.  I was amazed.  I was immediately able to do a few simple things that were useful for my boss and myself, and writing simple programs within hours.  Its matrix arithmetic was

[cctalk] Re: APL (Was: BASIC

On 5/1/2024 7:51 PM, Fred Cisin via cctalk wrote: What would our world be like if the first home computers were to have had APL, instead of BASIC? Maybe not instead of BASIC but I had APL on my TRS-80. bill

[cctalk] Re: Altair 8800 50th birthday...

On 4/27/2024 7:43 AM, Bill Degnan via cctalk wrote: Magazine cover january, and into 1975 the revolution. So I'd say all year. Not one specific date I had that magazine. Wish I hadn't thrown it away oh so many years ago. But even at that, nothing for me to celebrate. I couldn't afford o

[cctalk] Re: Z80 vs other microprocessors of the time.

On 4/23/2024 8:06 PM, Fred Cisin via cctalk wrote: Did the Dimension 68000 (a multi-processor machine) have Z80 and 6502? What about the Tandy 16 and 6000. M68K and Z80. bill

[cctalk] Re: Z80 vs other microprocessors of the time.

On 4/22/2024 2:30 PM, Paul Koning wrote: On Apr 22, 2024, at 2:09 PM, Bill Gunshannon via cctalk wrote: Following along this line of thought but also in regards all our other small CPUs Would it not be possible to use something like a Blue Pill to make a small board (small enough

[cctalk] Re: Z80 vs other microprocessors of the time.

Following along this line of thought but also in regards all our other small CPUs Would it not be possible to use something like a Blue Pill to make a small board (small enough to actually fit in the CPU socket) that emulated these old CPUs? Definitely enough horse power just wondered if

[cctalk] Re: Drum memory on pdp11's? Wikipedia thinks so....

A README in the root of 2.11 says: The following manual pages are NOT in 2.10BSD but ARE in 4.3BSD: and one of them is drum.4 so, I guess we need to look at a 4.3BSD system to find out what drum they are talking about. I have a feeling this is a device that works on the VAX but is actually

[cctalk] Re: Drum memory on pdp11's? Wikipedia thinks so....

On 4/15/2024 9:45 AM, Jonathan Chapman via cctalk wrote: Well, I can submit a correction, but does anyone remember /dev/drum? I don't recall that in V6m or V7 Unix, I guess I could fire one of them up and see There's at least references to /dev/drum in 2.11BSD, I forget if it was in the

[cctalk] Re: Cleanup time again

One last shot. I have an RX Floppy disk unit. Worked fine until one time the last time I had it hooked up and after about an hour it just stopped responding. All I get now is the well known click-click on init and then nothing. I am sure it is repairable either by troubleshooting or just bu

[cctalk] Re: Turbo Pascal Kermit for CP/M

On 4/10/2024 6:54 AM, Martin.Hepperle--- via cctalk wrote: Did you compile in memory or to disk? If you have little RAM, it might be advantageous to compile to disk, creating a .COM file. And the winner is It's been so long since I used Turbo anything I had forgotten that option. It

[cctalk] Re: Turbo Pascal Kermit for CP/M

On 4/8/2024 5:00 PM, Fred Cisin wrote: On Mon, 8 Apr 2024, Bill Gunshannon via cctalk wrote: I'm having  bit of fun with my various CP/M systems but I ran into what I see as an interesting problem.  I got Turbo Pascal on two systems.  A TRS-80 model 4P running Montezuma Micro CP/M and

[cctalk] Re: Turbo Pascal Kermit for CP/M

On 4/8/2024 5:17 PM, Gavin Scott via cctalk wrote: On Mon, Apr 8, 2024 at 2:19 PM Bill Gunshannon via cctalk wrote: I'm having bit of fun with my various CP/M systems but I ran into what I see as an interesting problem. I got Turbo Pascal on two systems. If it's an old ver

[cctalk] Turbo Pascal Kermit for CP/M

I'm having bit of fun with my various CP/M systems but I ran into what I see as an interesting problem. I got Turbo Pascal on two systems. A TRS-80 model 4P running Montezuma Micro CP/M and a TRS-80 Model II running Pickles & Trout CP/M. I tried to compile the version of Kermit written fo

[cctalk] Re: Cleanup time again

On 4/4/2024 3:49 PM, Sellam Abraham via cctalk wrote: On Thu, Apr 4, 2024 at 10:20 AM Bill Gunshannon via cctalk < cctalk@classiccmp.org> wrote: Not really sure I want to get rid of them yet, but what do Apple II's go for nowadays? I have an Apple II with 2 Disk II's and

[cctalk] Re: Cleanup time again

On 4/4/2024 2:39 PM, Zane Healy wrote: On Apr 4, 2024, at 8:05 AM, Bill Gunshannon via cctalk wrote:  7 - 230M Carts  (one labeled RSTS V10) Is the RSTS/E disk something that needs to be preserved? Not by me. And I created it. Not sure if it was from an 11/44, 11/73 or 11/23 but

[cctalk] Re: Cleanup time again

Not really sure I want to get rid of them yet, but what do Apple II's go for nowadays? I have an Apple II with 2 Disk II's and a language card. I also have an Apple IIe with three external disk cards and 2 3.5" drives and 3 5.25" drives. It also has a Microsoft Soft Card for running CP/M.

[cctalk] Re: Cleanup time again

On 4/4/2024 11:05 AM, Bill Gunshannon via cctalk wrote: One more list before I give up. Anybody interested in Iomega drive? I have:     2 - 90 Pro     2 - 150 Multidisk and somewhere here I have a 230M but I haven't come across it yet. To go along with them I have:

[cctalk] Re: Cleanup time again

On 4/4/2024 11:36 AM, Chuck Guzis via cctalk wrote: On 4/4/24 08:05, Bill Gunshannon via cctalk wrote: One more list before I give up. Anybody interested in Iomega drive? I have:     2 - 90 Pro     2 - 150 Multidisk and somewhere here I have a 230M but I haven't come acro

[cctalk] Re: Cleanup time again

One more list before I give up. Anybody interested in Iomega drive? I have: 2 - 90 Pro 2 - 150 Multidisk and somewhere here I have a 230M but I haven't come across it yet. To go along with them I have: 4 - 90M Carts 3 - 150M Carts (one labeled Windows NT)

[cctalk] Re: EMP was: oscilloscopes

On 4/2/2024 1:47 PM, Paul Koning via cctalk wrote: Absolutely, by all means go right ahead. As you pointed out, the NEC absolutely requires bonding all ground rods. And Roger Block spells out in quite some detail why this is important in his books. Come to think of it, apart from bonding e

[cctalk] Re: EMP was: oscilloscopes

On 4/2/2024 11:01 AM, Jon Elson via cctalk wrote: On 4/2/24 00:03, Just Kant via cctalk wrote: Accordimg to certain individuals on this list, going back a few years, electronics/computers can be damaged due to an electrical storm, presumably very intense activity, even while off. Go look thr

[cctalk] Re: oscilloscopes

On 4/1/2024 7:12 PM, Rick Bensene via cctalk wrote: And still works! Built to withstand an atomic bombardment. Except for the EMP. It'll theoretically render such devices nice looking, well-built scrap. The old completely vacuum-tube-based, discrete component oscilloscope from back in th

[cctalk] Re: oscilloscopes

On 4/1/2024 6:56 PM, Fred Cisin via cctalk wrote: On Mon, 1 Apr 2024, Just Kant via cctalk wrote: I have more then I need. All the working ones are HP w/color crts, and as far as older, verifiably vintage tools (right down to the 680x0 processor in either) I have to admit I favor them as a b

[cctalk] Re: Amoeba OS

On 3/28/2024 7:29 PM, Alexander Schreiber via cctalk wrote: On Thu, Mar 28, 2024 at 05:02:10PM +, Alessandro Mazzini via cctalk wrote: Sorry if I intrude... now is no more possible to obtain hobbyist licenses for vms ?? Not for OpenVMS/VAX, that stopped more than a year ago. IIRC you

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