The web-page explicitly says 'shipping available', which doesn't mean that
shipping will be free, of course...
From: "Mike Katz via cctalk"
To: "ED SHARPE" , "General Discussion: On-Topic and
Off-Topic Posts"
Cc: "Mike Katz"
Sent: Tuesday, January 10, 2023 10:38:20 AM
Subject: [cctalk]
In high school I had signed up for an electronics class and then my family
transferred to another city.
In the high school that I then enrolled in, there was no electronics class so I
was given the option of another class - I chose typing, which turned out to be
a great choice.
Since I had sta
Assembler is a sports car kit.
From: "cctalk"
To: "cctalk"
Cc: j...@mercury.lcs.mit.edu
Sent: Wednesday, April 12, 2017 7:57:07 AM
Subject: Re: If C is so evil why is it so successful?
> From: Alfred M. Szmidt
> No even the following program:
> int main (void) { return 0; }
> is guara
I had an employee of an electronics store tell me that the IBM modem software
on the 5.25" floppy for Windows would work fine on my Macintosh... in the days
long before Macintosh systems used non-Motorola processors.
That was a fun 'discussion'.
From: "cctalk"
To: "Fred Cisin" , "cctalk"
S
There'd be no desk, just dust.
From: "cctalk"
To: "cctalk"
Sent: Thursday, June 8, 2017 7:39:40 AM
Subject: Re: rectangular sense core vs. diagonal
On Thu, 8 Jun 2017, Mike Stein via cctalk wrote:
> Another reason why things were better in "The Good Old Days":
> While removing a (spring-
I remember going to a Xerox store in '85 and buying a brand-new Macintosh.
From: "cctalk"
To: "cctalk"
Sent: Friday, July 14, 2017 9:24:10 AM
Subject: Re: Xerox stores
On 07/14/2017 09:00 AM, Jon Elson via cctalk wrote:
> Hmmm, I really don't remember any such thing. I suspect that some
Or, in today's dollars - $58. Ouch.
From: "General Discussion"
To: "cctalk"
Sent: Thursday, July 20, 2017 1:35:47 AM
Subject: Re: early (pre-1971) edge-triggered D flip-flop ICs
On Wed, Jul 19, 2017 at 11:29 PM, Ethan Dicks wrote:
> I have no datasheet, but I have examples on DEC M-seri
Well, that explains one of my mystery keys on my keychain... I used to work
with HP 1000 systems.
I still have one of the HP 264x 'keys' which opened up the terminal.
From: "cctalk"
To: "cctalk"
Sent: Friday, September 22, 2017 1:20:42 PM
Subject: Re: HP 2108A key
> Unmarked - single sid
I had the same experience while working for a (very) small company called
Northwest Digital Research.
I was asked to point to a big HP plotter that was running one of our
programs... and the photograph wound up in our product brochure.
Of course, I had nothing to do with that program...
From:
APL is very much alive - it was invented in the '60s.
Lisp is slightly older and it, as well, is still in active use - and it's older
than FORTRAN, which was the inspiration for BASIC.
From: "Sellam Abraham via cctalk"
To: "General Discussion: On-Topic and Off-Topic Posts"
Cc: "Sellam Abrah
I was lucky enough to have worked initially in Focal and FORTRAN at UW
(Seattle) and moved on to PL/I, Pascal and APL at SFU (Burnaby, B.C.) while
being exposed to Algol, BASIC, C, GPSS, Smalltalk, Simula, SNOBOL4, XPL and
many other 'esoteric' languages.
Of course, various Assemblers were in t
Not quite.
CP/M is not a rename of PL/M.
PL/M is a derivative of the programming language PL/I and was used in the
development of CP/M - it is not an operating system.
CP/M-86 was a later development of CP/M that was designed to run on 16-bit
Intel processors.
CP/M-68K was another branch of C
You do realize that 'Pureblood' is a phrase most definitely associated with the
Aryan Nations and other neo-Nazi, white supremacist hate groups?
From: "Adrian Godwin via cctalk"
To: "General Discussion: On-Topic and Off-Topic Posts"
Cc: "Adrian Godwin"
Sent: Friday, August 30, 2024 10:41:1
I was doing something similar, on a PDP8/L driving a Tektronix scope with a
camera attached, using code written in Focal - University of Washington, 1972.
I learned a great deal about font generation, given that the code had to trace
out each letter shape via X, Y coordinates...
From: "cctalk"
There are also filaments that can be dissolved - they're mainly used for
support structures, but could also be used for 'lost-wax' casting.
From: "cctalk"
To: "cctalk"
Sent: Wednesday, December 19, 2018 2:31:02 PM
Subject: Re: OT RE: 3D printer $179.99 (today ONLY) (Was: 8-Update
On Wed,
Hi All:
This is my periodic request for technical details on a Cybernex APL-100
terminal - the only documentation that I have for it is the sales brochure...
Hi Cindy:
It looks like a gang programmer.
From: "cctalk"
To: "cctalk"
Sent: Wednesday, May 15, 2019 11:21:36 AM
Subject: What is this?
https://cdn.discordapp.com/attachments/486774619186135050/578282338375565322
/JPEG_20190515_130651.jpg
Can anyone identify/explain this to me? The sam
I would think that a Mac 1K would have serious performance issues...
From: "cctalk"
To: "Electronics Plus" , "cctalk"
Sent: Wednesday, May 15, 2019 12:31:23 PM
Subject: RE: Mac 1K
Make that Mac Plus 1MB. Sorry for typo!
Cindy
-Original Message-
From: cctalk [mailto:cctalk-boun
'Is that a toonie in your pocket, or are you just glad to see me?'
From: "cctalk"
To: "Alan Perry" , "cctalk" ,
"Fred Cisin"
Sent: Friday, June 28, 2019 10:59:36 AM
Subject: Re: OT: "half-dollar"/"50 cent piece" Was: Recovering the ROM of an
IBM 5100 using OCR
On 06/28/19 13:18, Alan Pe
I built a dual-6809 in the late '70s - it was a brand-new, exciting part - and
we used the E part for exactly that reason. The system used memory that had an
access time that was better than the 4x clock, so that each processor could run
at full speed.
From: "cctalk"
To: "Liam Proven" , "cct
Can you provide a picture of the front panel?
2113 implies a 21MX-E; the nine-slot version is a 2109 while the fourteen-slot
would be a 2113.
This might help - https://www.hpmuseum.net/display_item.php?hw=109 .
From: "cctalk"
To: "cctalk"
Sent: Monday, August 12, 2019 2:52:18 PM
Subject:
d to figure out) so that I can actually examine
the boards.
Thanks.
TTFN - Guy
> On Aug 12, 2019, at 2:59 PM, Norman Jaffe via cctalk
> wrote:
>
> Can you provide a picture of the front panel?
> 2113 implies a 21MX-E; the nine-slot version is a 2109 while the
> fourteen-
Kevin - which university did you go to?
I was in the first class at Simon Fraser University that started in Computing
Science (1974) rather than transferring in from another department... we often
had TAs in one class that were students in the next one, as they had taken the
first class earlier
n, not the big machine it is now.
Best wishes,
Kevin
Remember Gana and Chris Dewhurst?
> On Aug 13, 2019, at 8:37 AM, Norman Jaffe via cctalk
> wrote:
>
> Kevin - which university did you go to?
> I was in the first class at Simon Fraser University that started in Compu
I had an interesting experience with UPS - they shipped me a tape library from
the U.S. to Canada... when it arrived, the inside was completely trashed.
As in, no recognizable components bigger than a credit card.
UPS insisted that the condition of the tape library was as they received it for
s
Hi:
Is the IBM 5110 Basic, Basic/APL or APL?
From: "cctalk"
To: "cctalk"
Sent: Sunday, September 22, 2019 12:40:48 PM
Subject: Vintage Computer Warehouse Liquidation
This is my first of many posts that I will make about this sale.
I am liquidating a large warehouse filled with vintage c
I hope that you mean 'hardware porn', not 'hardcore porn'... :)
From: "cctalk"
To: "cctalk"
Sent: Thursday, April 9, 2020 10:22:43 AM
Subject: Re: pdp11/05 key?
> On 4/9/20 2:56 AM, Steve Malikoff via cctalk wrote:
>> Right said Fred:
>>> MOST of the other PDP machines use the XX2247 ke
And UPS isn't any better.
I had a package delivered with a big hole in it, and they claimed that it was
given to them that way.
However, the hole was right through their shipping documents... they refunded
the shipping, but not the insurance on the item that they had destroyed with
their forkl
C is portable by design and runs on many architectures.
It doesn't need 512Kb of RAM and it doesn't depend on Unix.
From: "cctalk"
To: "cctalk"
Sent: Friday, May 29, 2020 1:20:56 PM
Subject: Re: Microsoft open sources GWBASIC
On 5/29/2020 12:42 PM, John Foust via cctalk wrote:
> At 10:59
Thank you.
From: "cctalk"
To: "Electronics Plus" , "cctalk"
Sent: Friday, May 29, 2020 1:05:17 PM
Subject: RE: Living Computer Museum
Just to make sure everyone knows that we haven't lost our minds:
Nothing is going in the skip/dumpster/e-waste recycling bin. It's a long pause,
that's a
Fun that I have had with Fortran:
1) Passing an integer constant where a variable was expected, and having that
constant modified by the called routine; on an IBM 1800 / TSX, small integer
constants were stored in an area shared with the operating system, so it was
supremely easy to change the
Yes, and on some machines, like the IBM 1800, small numeric constants are
stored in a common location, to reduce the size of executable images.
So, once you've changed 4 to 5, it means that all programs that get loaded will
now use 5 when they meant 4.
Usually the generated code has a way to re
Given that the encoding of the address is likely radix-64, and there are 717
characters from the '.com/' to '?authuser=0', the resulting address 'space'
would be 10^1295... and the number of particles in the observable universe is
estimated to be 10^80 to 10^90, depending on whether photons are
Not DEC-related, but I once had an IBM 1800 shipped from where we'd purchased
it to a storage locker in a different city, where I lived.
All was fine until it was unloaded, and the wheels sank into the pavement.
[That summer was a bit hotter than normal...]
From: "cctalk"
To: "Adrian Graham"
Are they functional or decorative?
From: "cctalk"
To: et...@757.org, "cctalk"
Sent: Tuesday, March 27, 2018 11:48:22 AM
Subject: Re: PATA hard disks, anyone?
On Tue, Mar 27, 2018 at 10:19 AM, Ethan via cctalk
wrote:
> and well... let's just say that "newer" used disks with 4 years on t
Does anyone in the group have access to documentation for the Cybernex APL-100
video terminal?
All that I've been able to locate is a 4 page brochure for it; they were
originally made in Ottawa, Ontario, Canada.
Any help would be greatly appreciated.
Speaking of oddball terminals, does anyone have details on Cybernex APL-100
terminals?
I acquired one a couple of years ago and have had no luck locating
documentation for them.
From: "cctalk"
To: "cctalk"
Sent: Friday, September 7, 2018 8:41:23 AM
Subject: Re: Oddball Terminals (Was: Re:
The presence of the words 'NAND GATES' imply that this was part of some
educational kit for logic training, rather than a part of a system.
From: "General Discussion"
To: pe...@vanpeborgh.eu, "General Discussion"
Sent: Wednesday, September 12, 2018 11:30:42 AM
Subject: Re: Unknown US manufa
Hi Paul:
I'm very interested in Cray items... primarily manuals / books, not software or
videos; I live in Vancouver, Canada, so shipping won't be super expensive.
From: "cctalk"
To: "cctalk" , cct...@vax-11.org
Sent: Tuesday, September 25, 2018 6:59:11 PM
Subject: helping to clean out an e
Having watched two episodes, I find that their estimates of profit on the items
are not unreasonable - they tend to go with 'doubling our cost'... no insane,
'Oooh, that's worth megabucks'.
Not being a big toy aficionado, I'm not sure about the demand for some of the
items, but there's a lot of
What a lovely collection of IBM 1800 systems!
From: "cctalk"
To: "cctalk"
Sent: Wednesday, October 7, 2020 11:27:02 AM
Subject: Re: Old mainframes in Finland
On 07.10.20 20:14, Cindy Croxton via cctalk wrote:
> I received permission to share this link. These are in a personal collection
I remember colleagues competing for the most 'interesting' one-liner in APL
that actually did something useful, in university.
I wrote several different kinds of simulator, one of which generated APL code
on the fly that was then executed... plus a database-or-two.
I've been actively collecting
I have found that the ideal combination of languages to learn early are APL,
Simula, LISP and Smalltalk.
I was lucky enough to have started programming when that was possible.
From: "cctalk"
To: "cctalk"
Sent: Friday, January 15, 2021 4:13:26 PM
Subject: Re: APL\360
On 1/15/21 3:07 PM, B
It happened to me as well - I found hundreds of warnings in the code and, after
getting permission to address them, I was fired because 'we would have to
recompile the Windows version due to the changes you made'; the source code was
reverted to the state before I made the changes.
I refuse to
detective skills, guess
which product...]
From: "cctalk"
To: "cctalk"
Sent: Friday, January 29, 2021 6:57:28 PM
Subject: Re: APL\360
It was thus said that the Great Norman Jaffe via cctalk once stated:
>
> It happened to me as well - I found hundreds of warnings
I have two books on ALGOL 60 from 1962 -
A Guide to ALGOL Programming, Daniel D. McCracken
A Primer Of ALGOL 60 Programming, E.W. Dijkstra
For APL, there is this from 1962 -
A Programming Language, Kenneth E. Iverson
However, I also have a reference from 1960 -
LISP I Programmer's Manual, J
Basically, pre-1960, there couldn't be a 'general book on programming', since
every system was a unique environment - the only languages that could even be
remotely considered to be common were ALGOL 60 and FORTRAN II... and they were
'extended' by every manufacturer to provide, at least, some f
Hi:
According to this ( [ https://en.wikipedia.org/wiki/HP-UX |
https://en.wikipedia.org/wiki/HP-UX ] ) only version 2.0 will run on MC68000
systems - you need (at least) a MC68010 to run versions newer than that.
From: "cctalk"
To: "cctalk"
Sent: Tuesday, August 31, 2021 11:58:20 AM
Subj
The IBM 360 single precision floating point has a range of 10**-79 to 10**75;
double precision and extended precision has the same number of bits for the
exponent.
From: "Paul Koning via cctalk"
To: "cctalk"
Cc: "David Wise" , "CAREY SCHUG"
, "Paul Koning"
Sent: Thursday, October 3, 2024
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