tor (about 2003 IIRC), I made and included .NSI
(NorthStarImage)s of all the non-junk floppy disks I had at that time.
This included a couple "games" disks, and "Hunt The Wumpus" is there!
Dave Dunfield - https://dunfield.themindfactory.com
ot; we mean "Turing Complete Digital
Personal Computer" it is just a tad long winded to say so.
... and if we simply say "digital" which excludes many devices that still
includes the Abacus
Dave
ters)
I also created an emulator for it as well - so you can experience using another
very
early system if you like...
Sometime later, Scelbi 8008 BASIC was ported to it (also in my archive) - this
has to
be one of the very earliest (notice I didn't say F-r-t :-) BASICs.
Dave
anywhere
what it would become some years after that! - and I don't think it was
at all well known till MS-DOS (post IBM-PC).
But again, I don't claim to be:
(*)
X - marks the unknown
Spurt - a drip under pressure
.. and I don't claim to be an "unknown drip under pressure"
(I'll happily leave that honor to others in the group :-)
Dave
I case anyone is interested...
I've just passed on my "Mits Altair 8800" - this is a very historic system
from the 70s - it is:
First Personal Computer (long before IBM PC)
First S100 buss system
First system Bill Gates wrote code for (long before Microsoft)
I did write a pretty decent
, with a Honeywell badge on it. We never used it in
that manner, it had a papertape reader attached which was used to convert
output from Friden Flexowriters to Magtape for a Honeywell H3200.
Dave
.
I think the big question is, could it realistically be restored? Who would
actually want to do this if they don't own it and don't have any guaranteed
future rights.
These questions are why many Museums only accept unconditional donations,
but its also why people don't want to donate to museums as the future of the
objects can be uncertain.
>
>
> Christian
Dave
M BookManager format and
> > > the tools to read it?
> > >
> >
> > Have you looked at http://kev009.com/wp/projects/boo2pdf/
>
> Sadly it doesn't work, and the source code has gone as well
Sorry Chuck, the source code does appear to be in github.
It looks like the "transmogrifier" in there might solve the problems I had with
images
>
> >
> > --chuck
> >
>
> Dave
Dave
ve any experience with the IBM BookManager format and
> > the tools to read it?
> >
>
> Have you looked at http://kev009.com/wp/projects/boo2pdf/
Sadly it doesn't work, and the source code has gone as well
>
> --chuck
>
Dave
UA documentation and want to convert it to some
> more modern, open format, but I am not having much luck...
>
It’s a problem with .boo files. Only IBM seem to understand the format.
You best bet would be the first app, but you will then need to fix the images
in the PDF.
A lot of work...
.104.cdn20.com
Sorry, my mistake - I meant the CCTALK archives at: classiccmp.org
Dave
--
--
Search "Dave's Old Computers" see "my personal" at bottom!
? I browse it
through
the ARCHIVE on CCTALK.COM - it's a web interface which presents "reply"
button
- but it doesn't work - so I have to cut/paste/edit the existing post and
send
it back by email - and HOPE that it finds its w
nothing. There
are two power bricks, one USB lead, one docking station. No stylus. Can't
remember when I last looked at these. Free collection from Manchester.
Dave
spaced" fonts - but in all other respects nothing
I've
used it on has been able to tell it's not an actual VT100!
(I'm sure there are better/graphical VT100 emulations "out there")
Dave
--
--
Search "Dave's Old Computers" see "my personal" at bottom!
vided.
If you care to, I included ASM88 (my 8008 cross assembler) so you can try
writing and running 8008 code!
-Be aware that MOD8.COM itself is pretty old and is 16-bit DOS software.
This means it WON'T run under modern Windows, but it does work well in
DosBox (I recommend the
Hi, this is "Dave Dunfield" - best known here for being the site owner of
"Daves Old Computers" and the author of "ImageDisk"
No longer have the email I used to use to access cctalk... (hence the
change)
Just in case anyone is interested:
I've been working on
> -Original Message-
> From: Guy Dunphy
> Sent: Thursday, November 16, 2023 9:54 PM
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: [cctalk] Free to good home HP 7510a Photo Plotter - UK
>
> Hi Dave,
>
> I'm very interested, a
the shutter but as you can see the sample palette comes out fine.
I don't know if it varies the brightness or the plot speed
>--
>Anders Nelson
>http://www.andersknelson.com/
Dave
> -Original Message-
> From: John Robertson via cctalk
> Sent: Thursday, November 16, 2023 5:17 PM
> To: Dave Wade G4UGM via cctalk
> Cc: John Robertson
> Subject: [cctalk] Re: Free to good home HP 7510a Photo Plotter - UK
>
> Location?
Like it says in the subj
powered by a 68000 and you can see the various boards in the pictures.
Dave
>
> Thanks,
> Chuck
Take a look at the link I pointed you too. There is code in there to list the
files on the tape and copy then to a PC disk. It will work with AWS files and
physical tapes.
Dave
y help..
>
> https://www.garlic.com/~lynn/2003b.html#42
>
> Old VMFPLC may be just CMS TAPE DUMP under the covers.
>
> De
Dave
of postage
Dave
Chuck,
Yes, I mean Monitor II-D.
No, CHM does not have a working 1311 drive. The need for Monitor II-D
is for the IBM 1620 Model 2 simulators being written. Monitor I does not
run correctly on a 1620 Model 2 when index registers are enabled and
used by a program.
Dave
On 8/28/2023 3:48
£1.60 £0.32
Lot Processing Fee £1.00£0.20
Total Price£49.20
So if I bid £32.00 I pay £49.20. Makes E-Bay look cheap
> - Ethan
Dave
and IBM 1620 Model 2 software or manuals.
Thanks,
Dave Babcock
Mike,
Well sadly I have no PDP-8 parts. I do have a few bits of Q-BUS PDP-11.
Probably enough to build a complete 11.
I am also in the UK ….
Dave
From: Mike Katz
Sent: Saturday, August 19, 2023 3:53 PM
Cc: 'KenUnix' ; dave.g4...@gmail.com
Subject: Re: [cctalk] Re: Disposition of stuff
Gentles,
The problem is I have stuff no one wants. Large plotter, dec writer in need of
repair, Large Alpha server
Suggestions?
Dave
> -Original Message-
> From: KenUnix via cctalk
> Sent: Saturday, August 19, 2023 10:14 AM
> To: General Discussion: On-Topic and Off
; technical pen will work. Those were commonly used in plotters, for
example I
> remember using a Calcomp plotter with one of those. And those are
obviously
> refillable, and available in any number of sizes. Not to mention great
drawing
> tools to have around -- I wonder where mine is.
>
> paul
Looking at the documents for the DMP-29 those need an adaptor
Dave
it knows which passwords match
which site URL so it won't put them in a phishing site
>
> ;)
>
> Sellam
Dave
hing is time critical so in
this case " expires in 24 hrs time.
>
> ;)
>
> Sellam
Dave
Bill,
There are moderated groups, but many don't want to use them. Not sure why,
delays in posting etc.
As most of the noxious people are consistent in posting ids some kill filters
can fix.
Dave
G4UGM
> -Original Message-
> From: Bill Gunshannon via cctalk
> Sent: Thursda
Dave
> -Original Message-
> From: Jim Brain via cctalk
> Sent: Tuesday, May 16, 2023 4:16 AM
> To: General Discussion: On-Topic and Off-Topic Posts
> Cc: Jim Brain
> Subject: [cctalk] ST-251 Data Recovery for Glenside Color Computer Club (GCCC)
>
> At the most rec
c-toe (noughts and crosses to the
English) program which displayed its output in patterns on the MK1 screen.
In 1951 he wrote a checkers/draughts program for the Mk1.
He also wrote the "love letters" program.
.. Turing was thinking about Chess but he couldn't fit it in the MK1
>
> paul
Dave
.
> 1966) used countless mentions of "computer tapes" in the 23rd century.
Yes, but Space 1999 still had slide rules..
>
> A lack of foresight on the part of the script writers?
>
> What can we predict for the year 2250?
>
> --Chuck
Dave
ane
>
Our Honeywell H3200 had 1200BPI NRZI 7-track drives.
http://www.bitsavers.org/pdf/honeywell/datapro/70C-480-01_7404_Honeywell_200_2000.pdf
page 13 onwards... Needed chrome tape
Dave
keyboard. It changed my keyboarding style.
Welll whilst I didn't know this until yesterday, the IBM 2260 VDU had such a
keyboard. There is one for sale on E-Bay
https://www.ebay.com/itm/115685064067
and there are nice pictures of the keyboard.
Dave
a computer...
So whilst I would love to continue to use floppies, in my experience it kills
any chance of getting anything to work...
.. and I think many of the issues are that the media is getting soft. Perhaps
baking would help?
Dave
, as it's still bound by the specific characteristics of the drive head in
> use.
It depends. 1.2Mb drives write a narrower track so if you put in a 360 or 640
disk in that’s already been written and write to it, then existing data may not
be properly erased on a write.
So long as you only ever write on the 1.2MB drive its fine
>
> Jim
>
> --
> Jim Brain
> br...@jbrain.com
> www.jbrain.com
Dave
the disk.
With one of these tools you read the flux transitions of the disk, so a
whole track and then sort the data out.
This reduces the risk of damaging the disk and the drive.
>
>
> Christian
Dave
John,
Win2003 had software raid. Does ghost see this?
Dave
> -Original Message-
> From: John Herron via cctalk
> Sent: 21 December 2022 20:27
> To: General Discussion: On-Topic and Off-Topic Posts
> Cc: John Herron
> Subject: [cctalk] Re: Win2K+3 on a Dell Power
secured a copy of the Corel Linux Starter Kit and want
> to
> load it into the Poweredge. For chips and pringles. I have other pre uefi
> boxes
> around but this is lying dormant. And 6 drives for my purposes is stupid. And
> heavy.
Dave
Chris,
We used to have two lists , cctech for on-topic & cctalk which mirrored cctech
and allowed off-topic, but the level off off-topic traffic was low, so if I
understand things we now only have one and it allows both on and off-topic..
Dave
> -Original Message-
> From:
nd hard
> to find. So if that turns out to be barrier, faking the tach signal would
be a way
> to make the drive operational again.
The replacement board does not use the DEC part.
>
> Another approach would be a bit of mechanical work to fit a stock optical
> sensor. That would depend on having access to the needed machining
skills.
That is what this mod does
>
> paul
dave
gt;
> - Ethan
I suspect Jim Austin has one of the largest collections that's publicly
documented...
https://www.computermuseum.org.uk/
.. but many are very private about what they own
Dave
d. I did other Cascade programming in assembly, I
wrote my own instruction card for the system.
In my senior year, the facility switched over to using IBM System 3 equipment,
and I got to work with RPG, 8-inch diskettes, and 96-column cards.
Dave.
Sent from Mail for Windows
nd because friends already had such things and would make stuff
for me...
Dave
>
> Sent from my iPhone
>
> > On Oct 11, 2022, at 11:17, Vincent Slyngstad via cctalk
> wrote:
> >
> > On 10/11/2022 10:48 AM, geneb via cctalk wrote:
> >> If someone wants to pro
did have core memory, and for a bit serial computer, it was fairly
> fast.
>
For calculation, I believe the G-15 was fast. I can't believe any one would
seriously run a high level compiler on such a machine.
> Jon
Dave
.
Why does a modern OS need stuff built in?
Dave.
Sent from Mail for Windows
unty_Clare
I checked on Google Maps and there is a big sign saying welcome to Boston
and little else, so I suspect a total lack of VT220's
Dave
G4UGM
>
> >
> > Looks like both of them are North of Boston, but one is like a 19 hour
> > drive away and one is a half hour drive awa
I picked up a VT220 passing by some clean out a while ago.
Green phosphor, powers up and passes self test.
The keyboard has 3 broken function row keys, keycaps.
Free to pickup in North Andover.
Shipping would be heavy and awkward with the CRT.
Dave.
Sent from Mail for Windows
oks as if some other signals is expected to behave differently when
the drive is jumpered as 1: (I've tried this with a couple of different
drives) - anyone know whats going on?
Dave
(I can use the message archive to check for response
this list, the best way to reach me is:
"Daves Old Computers" -> "Personal Site" -> "Contact"
Dave
--
--
Search "Dave's Old Computers" see "my personal" at bottom!
Selling my original 1975 "MITS Altair 8800", often described as the first
"personal computer" (6 years before the "IBM PC"). A real piece of
computing history!
Complete and fully functional, this machine boots and runs a couple
operating systems from the era.
Includes:
Main Altair 8800 system
e
> How would you know there were new messages in a particular file you were
> interested in? Would you have to open each file (or, perhaps look at its
> modified date) or was there a different interface used to actually read
> messages?
>
There were commands to list new updates since you last logged in.
> Thanks in advance :)
>
>
> Andrew
Dave
Folks,
I probably have some, and now I have found my ICL House Codes sheet I may even
be able to identify them.
However I won't be in the same country as my stock for a couple of weeks.
... and they are in the UK so getting them stateside may take some time.
Dave
G4UGM
> -Origi
Jay,
Thanks for that, I hope its fixed,
Dave
G4UGM
> -Original Message-
> From: cctalk On Behalf Of jwest--- via
> cctalk
> Sent: 11 May 2022 13:18
> To: 'Tom Hunter' ; 'Adrian Stoness'
> ; cctalk-ow...@classiccmp.org
> Cc: 'General Discussion: On-Topic and Off-Topi
le sometimes ASSUME that the dictation program also does so.
>
> An auto-corrupt could be dangerous.
It could, but I know of a couple of medical folks that use similar
technology. They say it is more accurate than their typing..
Dave
G4UGM
regretted that in the long run.
Dave.
Sent from Mail for Windows
gt; am wondering what other hobbyists pay in order to gauge whether the price
> that a local recycler is asking for one (which was around
> $100) is fair.
If its working and boots up I would say that is very reasonable.
Dave
and was not
register compatible with IBM’s implementation.
Later IBM worked with National Semiconductor to release the TROPIC chipset that
was used by Madge and others.
Some info I found here: https://www.ardent-tool.com/NIC/TROPIC.html
Dave.
Date: Wed, 13 Apr 2022 20:25:25 +
From
Folks,
Does no one fancy a go at this. Had zero interest...
Dave
> -Original Message-
> From: dave.g4...@gmail.com
> Sent: 04 April 2022 12:29
> To: 'General Discussion: On-Topic and Off-Topic Posts'
>
> Subject: RE: AlphaServer 2100s available
>
> Folks,
>
off-list please.
Dave
> -Original Message-
> From: cctalk On Behalf Of Antonio Carlini
> via cctalk
> Sent: 21 July 2020 20:58
> To: General Discussion: On-Topic and Off-Topic Posts
>
> Subject: AlphaServer 2100s available
>
> I have three AlphaServer 2100 s
family are safe, at least for
the time being.
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA
Dave
G4UGM
(Now feeling guilty because what I have is neither catalogued or on display)
motivation.
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA
ate that seems to befall most private collections.
That, combined with rodent infestations, rust, etc resulting from the
typical garage/barn/shed/basement storage that we've seen over and over,
has impacted my opinion of private collections.
-Dave
--
Dave McGuire, AK4HZ
New Kensing
easy to do, but it
is possible. Encourage your friend!
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA
es in, in a downtown shopping
district, as distinguished from the typical private collection in a
garage, basement, etc.
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA
fantastic set of machines, it might be a great thing
to sink one's teeth into. Contact me if interested!
Thanks,
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA
museum would be met wish such hostility,
from day one, I'd never have gone to the trouble. Even with my
less-than-rosy opinion of human nature, I never saw it coming.
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA
and help. Just give us a date and time.
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA
On 3/16/22 16:56, Dave McGuire via cctalk wrote:
The LSSM is very interested in this machine for public display. It would
complement the museum's collection of PDP-11s and other 16 bit machines.
By "very interested", Mark means "is actively pursuing". Some of our
onations may be tax-deductible depending on your personal
tax situation.
Thank you for your consideration.
Thanks,
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA
an 11 networked into the system. That project was complicated by what it tried
to integrate, and took too long to build. It was overtaken by the simpler LAT
based products that DEC went forward with.
George Conant, Bob Rosenbaum, and Pete Nesbeda left the company and founded
Xyplex that fielded succ
more parts than
necessary in some places to round out the quantity to the nearest price break.
At least it could be a starting point and might save a bit of time.
Cheers,
Dave
On Thursday, January 13, 2022, 02:46:54 PM CST, William Sudbrink via cctalk
wrote:
In response to my wife's
and running with CP-V, but was restricting public accounts due to
some issue with the account generation mechanism. I wonder if someone
associated with the Museum might potentially have access to some CP-V tapes or
images, even if the museum is closed.
Thanks in advance,
Dave
between 3,000uf and 12,000uf when new, so
I suspect these
https://uk.rs-online.com/web/p/aluminium-capacitors/8556059
Sprague, 5,800uf 50v would be ok provided they physically fit... although RS
has only one in stock...
Dave
> -Original Message-
> From: cctalk On Behalf Of Rob J
l
echo it to the terminal and go to sleep
.. in the mean time some one on the next terminal has typed a "B"
The staff came back and said "how do we get a proper mainframe; we need an IBM
with VM" where the editing is handled in the screen controller.
... so we asked for a large amount of disk storage, allocated a small room and
they got an IBM 4381 as at the time the VAX didn't have disks as big as the
3380-3 .
Dave
Rob,
If that is not the issue, do you need to try them in the MicroVax 4000 here?
Dave
(p.s. can SCSI terminators fit in a DSSI bus socket by mistake)
> -Original Message-
> From: Rob Jarratt
> Sent: 02 January 2022 14:05
> To: dave.g4...@gmail.com; r...@jarratt.me.
Rob,
I know this is probably a stupid suggestion, but are they terminated
correctly?
Dave
> -Original Message-
> From: cctalk On Behalf Of Rob Jarratt via
> cctalk
> Sent: 02 January 2022 07:30
> To: 'General Discussion: On-Topic and Off-Topic Posts'
>
>
://www.tram-museum.ch/en/
small but interesting
Dave
G4UGM
> -Original Message-
> From: cctalk On Behalf Of Bill Degnan via
> cctalk
> Sent: 17 December 2021 15:07
> To: General Discussion: On-Topic and Off-Topic Posts
>
> Subject: OT: Traveling to Zuri
Is "not on EPAY" a good thing. I see there is a 10% buyers premium plus 4% for
credit card
.. and " ALL ITEMS ARE SOLD AS IS WHERE IS AND HOW IS WITH NO WARRANTIES OF ANY
TYPE EXPRESSED OR IMPLIED CONCERNING"
Give me EPAY any day
Dave
> -Original Mess
Chuck,
I think TNMOC can read these tapes.
https://www.tnmoc.org/
Dave
> -Original Message-
> From: cctalk On Behalf Of Chuck Guzis via
> cctalk
> Sent: 30 November 2021 23:57
> To: CCtalk
> Subject: Looking for someone in London (UK) to read 2 9 track tapes
>
verters with a DEC logo on them.
>
> thanks
> Jim
Jim,
SCSI2SD is old traditional SCSI so single ended
Dave
Chuck,
Some of the stuff is now proprietary, but basically this is the start page..
http://www.codesrc.com/mediawiki/index.php/SCSI2SD
I do find the docs a tad sparse.
Dave
> -Original Message-
> From: cctalk On Behalf Of Charles Dickman
> via cctalk
> Sent: 02 Octobe
de at least one kind with at least 18 decimal
> digits. There is no specification which other sizes are required.
REXX has had this ability from the start. It only does decimal arithmetic, but
you can set the number of numeric digits used to whatever you want
Dave
t; I'm still waiting on a reply from HP with a hobbyist licence PAK (I've filled
> out
> the form), but I figure I can get started on the learning while I wait.
>
You won't get one from HP but there are work arounds.
HP has allowed us to share our files. Let me know of list if you need it.
>
> Cheers
> Phil.
Dave
> -Original Message-
> From: Ethan Dicks
> Sent: 21 September 2021 06:39
> To: Dave Wade ; General Discussion: On-Topic
> and Off-Topic Posts
> Cc: Jonathan Stone
> Subject: Re: Burnable, patched Microvax-2000 SCSI-boot EPROM images?
>
> On Mon, Sep 20, 2021
Do you know what type of ROM/PROM is needed
Dave
> -Original Message-
> From: cctalk On Behalf Of Jonathan Stone
> via cctalk
> Sent: 20 September 2021 20:02
> To: cctalk@classiccmp.org; port-...@netbsd.org
> Subject: Burnable, patched Microvax-2000 SCSI-boot EP
, but just thought I would mention it in case
the devices in question had been stored in damp conditions.
I should also point out that at the time I was only a Systems Programmer
borrowing the machine..
Dave Wade
> -Original Message-
> From: cctalk On Behalf Of Curious Marc via
&g
e the "SIE" instruction, Start Interpretive
Execution which runs a virtual machine from microcode.
A similar feature exists in modern Intel/AMD chips which greatly improve the
performance of hypervisors such as VMWARE, HyperV and VirtualBox
Dave
G4UGM
> -Original Message-
&g
Rob,
I asked on the Radio Club net. The other program mentioned RS Design Spark
https://www.rs-online.com/designspark
Dave
G4UGM
> -Original Message-
> From: cctalk On Behalf Of Rob Jarratt via
> cctalk
> Sent: 23 August 2021 17:29
> To: General Discussion: On-Topic and
ere were one or two
> others, as well.
Well you could ask Silverfrost who now own it. I think a lot of Salford
Pr1me software was lost.
I wish I could find the X.25 software we wrote...
>
> De
Dave
...
.. later it was ported to MSDOS... More info here
https://www.silverfrost.com/53/ftn77_personal_edition.aspx
> bill
Dave
> HP-UX and SunOS at that time.
>
> Zane
>
>
>
Until very recently Fujitsu was still supporting the ICL VMS operating system,
as I understand it for use by UK Government departments.
I think it’s a pity we don't see the S/38, AS/400, I software more widely
available. I am sure that it would run well on modern Intel or even ARM
Dave
ked
> up as a Unix cpu, instead. It is the only common non segemented 16 bit cpu I
> can think in that time frame.
> Ben.
>
>
Dave
to have some when we had real tapes.
Dave
> -Original Message-
> From: cctalk On Behalf Of Cory
> Heisterkamp via cctalk
> Sent: 29 July 2021 00:37
> To: General Discussion: On-Topic Posts
> Subject: Reading MT/ST Tapes
>
> This is a bit of a long s
.
.. and I assume TOS finds the drives on both machines
Dave
G4UGM
> -Original Message-
> From: cctech On Behalf Of r.stricklin via
> cctech
> Sent: 06 July 2021 05:37
> To: General Discussion: On-Topic Posts
> Subject: Atari ST & MegaFile with Minix?
>
> I
dle got to the line, he blew his whistle and several
other soldiers appeared and threw buckets of water over the engine until it
cooled down
I just wonder what they did while waiting for it to overheat..
> >
> > --
> > Will
Dave
G4UGM
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