rt number is for the
assembly. I ran out of time before I could check the controller documents.
> Thanks, Paul
>
> On Fri, Sep 25, 2015 at 10:07 AM, Jay Jaeger wrote:
>
>> On 9/25/2015 7:24 AM, tony duell wrote:
>>>>
>>>> Does anyone have both of these that I c
On 9/25/2015 4:03 PM, m...@markesystems.com wrote:
>
>>> Another thing, although MySQL is fine but for this I think SQLite
>>> might be a better choice of db. Its access methods are all in-process
>>> ie. no external
>>> dbms service to bother with, just a library to link in and the
>>> physical
then make
> copies for everyone. We also wired the offices with rs-232 runs to the PRIME
> lurking in the basement.
>
> Formative years...
>
> Sent from my teeny little terminal.
>
>>> On Sep 26, 2015, at 10:30 PM, Eric Christopherson
>>> wrote:
>>
On 9/27/2015 12:30 AM, Eric Christopherson wrote:
> On Tue, Sep 22, 2015, Jay Jaeger wrote:
>> (BTW, My memory of that acronym is "Machine Assisted Resource
>> Coordinator", a small-sized Unix work-alike developed by Ed Ziemba (RIP)
>> using Leor Zolman's BDS
On 9/27/2015 2:54 PM, Mattis Lind wrote:
> Hello!
>
> I have started to work slowly with the PDP-11/05 I received a year ago. It
> is the big BA11-D chassis type machine. The power supply is now fixed and
> working fine. A few smaller capacitors were leaking. But also one of the
> big input filte
On 9/27/2015 2:39 PM, Charles wrote:
> I just acquired an RX01 drive (and an RX8E) for my 8/A system. It wasn't
> too painful to get it going, as the RX8E had "only" one bad IC that was
> easy to find and I had a spare. Details on the DEC forum at
> vintage-computer.com. Then the RX01 started audib
On 9/27/2015 7:30 PM, Eric Christopherson wrote:
> On Sun, Sep 27, 2015, Jay Jaeger wrote:
>> On 9/27/2015 12:30 AM, Eric Christopherson wrote:
>>
>>> On Tue, Sep 22, 2015, Jay Jaeger wrote:
>>>> (BTW, My memory of that acronym is "Machine Assisted Resou
Is source available somewhere? I'd like to study your techniques as I
eventually want to do something similar for an IBM 1410.
JRJ
On 9/27/2015 4:14 PM, Jörg Hoppe wrote:
> Hi,
>
> I just finished a virtual PDP-11/70 panel for SimH.
> As always it's a BlinkenBone application; description and do
On 9/29/2015 1:22 PM, Holm Tiffe wrote:
> Holm Tiffe wrote:
>>
> Forgot to ask:
> In the VAX CPU the M8236 should be the Interface to the Console Computer,
> what is ion the other reEnd in the PDP11?
>
> Regards,
>
> Holm
>
I have one taken out of a VAX 11/780, and my inventory records indicate
On 9/29/2015 10:43 AM, Jörg Hoppe wrote:
> Jay,
>
> sources are here:
> http://www.retrocmp.com/projects/pdp-11-70-panel-on-blinkenbone/243-simulated-pdp-11-70-panel-on-simh
>
>
> There are 3 subprojects:
> - the modified SimH with new REALCONS device in "020simh.382.jh"
> - the RPC network base
On 9/30/2015 3:13 PM, Liam Proven wrote:
> On 30 September 2015 at 17:08, Noel Chiappa wrote:
>
>> I am _very much_ in sympathy with the complaints here; I too feel that modern
>> computers are too complex, etc. (Although some of it, like the entire
>> computer
>> turning into a single chip, wer
On 10/1/2015 2:34 AM, Holm Tiffe wrote:
> Jay Jaeger wrote:
>
>
> Do you possibly want to sell that M9400-YE? (I don't know if the
> people in Halle would buy it, I'm just asking to tell them).
>
>
> Regards,
>
> Holm
>
I expect that I would
I had a look, and it seems to me that there is more going on on this
board than just serial ports. It is even possible that the system it
was in had essentially re-purposed the board to use for a serial ports
in a way that the original designer did not intend. That would explain
the lack of obvio
On 9/25/2015 4:03 PM, m...@markesystems.com wrote:
>>> Not sure why you have VARCHARs for primary keys, why not use the
>>> conventional auto-increment int so you can dispense with
>>> the LastGeneratedArtifactID table.
>>>
>
>> Because my artifact ID's are not always just numbers. In some cases
On 10/2/2015 12:04 AM, william degnan wrote:
> Coming up with a schema that works with multiple manufacturers is the big
> challenge.
>
Not sure it is that big a challenge. Perfection is not required. Just
the ability to find stuff later. My schema currently has manual
manufacturer - the origi
What sort of complete system?
(I am in Madison, WI)
JRJ
On 10/2/2015 11:44 AM, Cindy Croxton wrote:
> Is anyone interested in IBM terminals from roughly 1985-1989? There is a
> complete system, probably no keyboards. Located upper Midwest US.
>
>
>
> Cindy Croxton
>
>
>
> ---
> This em
n Manual_Key etc.?
>
> Looks like I'll have to brush up on database design... ;-)
>
> m
>
>
> - Original Message - From: "Jay Jaeger"
> To:
> Sent: Friday, October 02, 2015 11:59 AM
> Subject: Re: Thoughts on manual database design?
>
>
>
key; what if you repaint the BLUE cabinet in your wife MARY'S BEDROOM
> red, or for that matter if you remarry and MARY'S BEDROOM becomes
> LINDA'S BEDROOM?
>
> Does the software update all occurrences automatically, or am I
> misunderstanding?
>
> m
>
>
hat scan of the manual), but I didn't see
the point. Most textual searches in the online application will be on a
join of Manual and Manual_Artifact (where the Manual table data gets
replicated in the result set for each artifact), so the publisher can be
picked up that way.
JRJ
>
> m
On 10/2/2015 8:40 PM, Mike Stein wrote:
>
> - Original Message - From: "Jay Jaeger"
> To:
> Sent: Friday, October 02, 2015 9:08 PM
> Subject: Re: Thoughts on manual database design?
>
>
>> On 10/2/2015 7:25 PM, Mike Stein wrote:
> ...
>>&g
On 10/3/2015 3:26 AM, Dave G4UGM wrote:
>> Yes, there is. That is why an *artifact* - a given *hardcopy* of a
>> manual - has a *publisher*. As I mentioned in an earlier reply at some
>> point to someone, a given manual applies to a single machine
>> *manufacturer* (e.g., Apollo is considered th
I doubt that any PDP-8 family OS checks for licensing of any sort.
Back in those days, DEC used the format DD-MMM-YY for dates, so try
something like:
04-OCT-78
JRJ
On 10/4/2015 1:17 PM, Michael Thompson wrote:
> I am fiddling with diskettes on my PDP-8/e. I booted COS-310 V8 and it
> asked for
Those look like the normal narrow slides DEC typically used (not the
narrow ones that pivot used on a PDP-11/20 or the big wide ones used on
later PDP-11 mounting boxes). I don't have any exactly like that
available. I do have some that are the same size, and might work, but
the detent is differe
Folks, I do have a version of software that supports READING Intel m2fm on a
cat weasel, and will post a link in the coming days - just got back from a road
trip.
Sent from my iPad
> On Aug 6, 2016, at 18:12, Eric Smith wrote:
>
> Because the cwtool support for Intel M2FM floppy disk flux ima
ally dated from
October 2 2009, so I would presume that the code I have is subsumed into
the later versions, so I suggest just picking up his latest version from
his web site.
JRJ
On 8/7/2016 10:39 PM, Eric Smith wrote:
> On Sun, Aug 7, 2016 at 8:53 PM, Jay Jaeger wrote:
>> Folks, I do ha
I'd be willing to trade two or three, to have some of the 8 sort.
Sent from my iPad
> On Sep 6, 2016, at 10:48, Noel Chiappa wrote:
>
> So I have a fairly large group of 16-sector RK05 packs (i.e. PDP-8, -12) which
> I have no use for, which I would like to trade for 12-sector RK05 packs (i.e.
On 9/10/2016 10:09 PM, Fritz Mueller wrote:
> Hi all,
>
> I’m working on debugging an FP11-B floating point option in a PDP-11/45.
> I’ve just discovered that in the engineering drawings for this on bitsavers,
> sheets 1 and 2 of the FRL board prints are missing :-(
>
> Does anybody have a co
The back label says 8000-10A, which should indeed be a Z80 system with a
hard disk. I have an Altos 1004 disk for the thing (and experience with
its power supply ;) ), but when I bought mine, my seller (not the same
as this one) mis-listed the CPU unit as having the disk controller,
which was not
On 10/17/2016 11:23 AM, Jay Jaeger wrote:
> The back label says 8000-10A, which should indeed be a Z80 system with a
> hard disk. I have an Altos 1004 disk for the thing (and experience with
> its power supply ;) ), but when I bought mine, my seller (not the same
> as this one) mi
I think my most uncommon item would be:
A DEC RC11 and RS64 - Installed and working on a PDP-11/20.
I have a few other interesting artifacts that are probably not common,
including:
A DEC VT05 - not working.
A DEC RF08 - not installed
A DEC RS08 - Disassembled and broken ;(
A DEC PDP-12 - Mostl
First of all THANKS. I hope this works out.
Some thoughts:
It looks like you have a JTAG connector on there - please keep that.
The CPLD you had on the last board, XC9572XL is a bit long in the tooth,
perhaps? Would you expect to use that one again, or a newer chip?
An area with place to moun
On 2/17/2017 10:01 AM, Philipp Hachtmann wrote:
>
>
> On 02/17/2017 01:02 AM, Jay Jaeger wrote:
>> First of all THANKS. I hope this works out.
> ?!?
>
The thanks was for your effort. The hope that it works out was to say
that I hope that you decide to make some more and s
On 12/9/2021 7:49 PM, Noel Chiappa via cctalk wrote:
> From: Steven Malikoff
> Was there ever an indicator panel for the RC11? .. I have a set of RC11
> modules .. No backplane though. I've not found any docs for these, I
suppose
> they're probably on bitsavers and have over
On 12/9/2021 11:06 PM, Guy Sotomayor via cctalk wrote:
On 12/9/21 8:15 PM, Jay Jaeger via cctalk wrote:
One could perhaps emulate the RS64 data stream using a fast-enough
micro, ala the MFM emulator.
Why does everyone seem to want to emulate HW like this with a micro when
a reasonable
On 12/12/2021 1:08 PM, Alan Frisbie via cctalk wrote:
I just unpacked the rack with my TU56 DECtape drive and discovered that
the movers managed to break the takeup reels. This, despite many layers
of foam padding, stretch film, and warning signs. On the other hand,
this was the only item that
On 1/6/2022 7:03 PM, W2HX via cctalk wrote:
My 2c. I am not familiar with a "whine" but certainly a "hum." Sometimes if a power
supply has seen a lot of heavy load over its lifetime, the heat generated can begin to do things to the
transformer. And once that heat has done its "thing" to the tra
On 1/7/2022 2:35 PM, Nigel Johnson Ham via cctalk wrote:
I told the chief engineer that the problem was the same thing that
caused planes to crash, and he suggested maybe the cargo door had fallen
off! (that puts it in 1972 since it was AA Flight 96 that had just
happened!)
My uncle worked
FYI, that "unpopulated board" is not and never was S100, and has clearly
had some told contact fingers cut off. Perhaps used as a source for
parts at some point.
You might want to join and post this to the "s100computers" Google group.
JRJ
On 1/23/2022 1:42 PM, Stan Sieler via cctalk wrote:
Sent from my iPad
> On Feb 1, 2022, at 10:43, Jon Elson via cctalk wrote:
>
> On 2/1/22 00:38, Peter Corlett via cctalk wrote:
>> On Mon, Jan 31, 2022 at 07:51:28PM -0500, Paul Koning via cctalk wrote:
>> [...]
>>> Yes, RT-11 is a somewhat unusual file system in that it doesn't just
>>> supp
Looking at my inventory, I seem to have no less than four spare M8266
(plus one in my 11/34 that runs, plus probably another in my 11/34 out
in the garage.)
Rod, where are you located?
JRJ
On 2/9/2022 6:16 PM, Rod Smallwood via cctalk wrote:
Hi
We have narrowed the problem down.
Its t
My 11/24 does *not* have an M9312. My UNIBUS out from the processor
backplane goes to an RK611, and then to a VT11. I have an M9301 at the
end, in the VT11 UNIBUS OUT slot. I didn't pull the map card, but I am
99.% sure that my boot ROMs (RL11, RK611) are on my UNIBUS map card.
The UNIB
On 2/21/2022 6:55 PM, Glen Slick via cctalk wrote:
On Mon, Feb 21, 2022, 4:32 PM Rod Smallwood via cctalk <
cctalk@classiccmp.org> wrote:
Hi
I have built an 11/83 in a BA23 box.
It has a KDJ-11B, 2mB PMI memory, an RQDX3 with an RX50 attached,
Plus a CMD CQD 220A Disk controller with
On 2/22/2022 12:29 PM, Ray Jewhurst via cctalk wrote:
I was wondering how well a Greaseweasel would write floppies for my Rainbow.
Also, I saw that someone had images for Venix-86 Rainbow and I was wondering if
they would be interested in sharing them.
Thanks
Ray
Sent from my Verizon, Samsung
On 2/22/2022 6:12 PM, js--- via cctalk wrote:
On 2/22/2022 7:00 PM, Ray Jewhurst wrote:
I read that you can indeed use a standard 1.2 Meg drive and that you
can also use DSHD 5.25 disks in place of RX50s. Is there any truth in
this? If there is it will be much easier and cheaper to make disks
On 2/22/2022 6:29 PM, Paul Koning via cctalk wrote:
You could boot a packaged Linux that doesn't need installation but runs
directly from the boot device. I haven't done this but I know they are out
there and easy to use.
I use Clonezilla for standalone Linux stuff (including backups) - the
Sent from my iPad
> On Feb 22, 2022, at 22:59, Ethan Dicks wrote:
>
> On Tue, Feb 22, 2022 at 10:43 PM Jay Jaeger via cctalk
> wrote:
>> Writing a 360KB or RX50 diskette with a 1.2MB drive is a path to a lot
>> of frustration. Not only do you have to double
On 4/2/2022 5:49 AM, Noel Chiappa via cctalk wrote:
> does [disabling the MCLK counter via DCLO, asserted by the two
> E126 monostable chain from ACLO] happen just on power-down, or on
> power-up too? I'd need to understand how that two monostable chain
> works in both cases,
On 4/2/2022 5:12 PM, Rob Jarratt via cctalk wrote:
Using tack soldered wires, I have traced back and I *think* I have found
something. There could be a fault in E52 (sheet K6, p157 of the PDF). While
K6 BUS DCLO L is +5V, I am measuring K6 BUF DCLO H at an average 1.64V with
50us spikes at 2.08V
On 4/9/2022 2:42 PM, Chris Zach via cctalk wrote:
Hi all!
I'm thinking about going up to VCF in Wall next weekend. I haven't been
to it since it was the Trenton Computer Fest (think late 1990's) so I'm
not sure what the protocol is on tailgating, trading stuff or whatnot.
Appears that they ha
I have a puzzlement with my IBM 1410 FPGA implementation.
ALD page 42.10.10.1, ILD figure 89
The symptom is this: The CPU runs and can execute instructions. So,
stuff is generally working.
Starting the address set process, the console appropriately prints the
"B" prompt (to set the instruct
Resend (first one seems to have bounced)
My FPGA implementation of the IBM 1410 Data Processing System continues
to progress. There is now a console (with the console typewriter,
keyboard, lights and switches) written in C# up on github.
With that addition several things now work:
- Address
Well, as it turns out I have a full PDP-8/M front panel, including the
board, which I *believe* is compatible with an 8/E, but has LED lights
instead of incandescent ones (one might have to check to make sure that
the pin with the lamp power isn't used on the baord.)
[It is a FULL front panel,
Ray, I have quite a lot of material you do not have listed. For a while
I had it on my Google Drive (password secured), but not any longer.
The attached files should give you an idea. Contact me off list if you
want to pursue a transfer. (I suppose the list may well not accept
attachments..
For an awful lot of software, holding a line until there is an end of line is
not practical. Text editors in particular simply won’t work that way. The UNIX
shell wouldn’t work in that environment either. So this character by character
interrupt is pretty standard.
Sent from my iPhone
> On Oc
On 11/28/2022 12:17 AM, Chuck Guzis via cctalk wrote:
If anyone cares, I've been working on a Pertec tape controller design.
The initial version worked remarkably well with only a few bodge wires.
I'm assembling the respin of the design and do not anticipate any issues.
It's basically a 4x6 in
> On Jan 17, 2023, at 04:52, Peter Coghlan via cctalk
>
> How about translating code from Z80 which has several registers to 6502 with
> rather fewer? That would seem to need some more intelligent thinking on
> how to simulate the unavailable registers without causing additional
> difficulti
Sounds a bit like SmallC or TinyC from back in the day.
Sent from my iPad
> On Feb 25, 2023, at 08:46, silvercreekvalley--- via cctalk
> wrote:
>
> Hi all,
>
> I'm cooking up a new interpreter for the PDP 8. It uses a C like language
> (C-) and is really a project to get my head round the
The 709x had data channels which ran asynchronously, and generated channel
traps — i.e. interrupts. I don’t think it had a, say, 60Hz clock, but I/O
interrupts would allow a certain basic level of multiprogramming. The IBM 1410
also had I/O interrupts, and even had a rudimentary optional telep
I have an HP 2875B paper tape drive that I want to interface to. It has
a 50 pin block connector (using well under 1/2 the pins). The connector
manufacturer was Continental.
I have already discovered, the hard way, that it is not a winchester
connector - the pins on the 50 pin Winchester con
:14 PM, Jay Jaeger wrote:
I have an HP 2875B paper tape drive that I want to interface to. It has
a 50 pin block connector (using well under 1/2 the pins). The connector
manufacturer was Continental.
I have already discovered, the hard way, that it is not a winchester
connector - the pins on
I live in Madison, WI, and have a DEC PC05 on a PDP-11 that can also
host a Unibone board to make file transfers easy. I also have a
recently restored HP 2748B, for which I have a simple Arduino interface
with an Ethernet "hat" to read files into a PC. Neither is available
for loan, but I'd b
Typically not, since with no tape it should act like all the holes are punched,
yes?
Sent from my iPad
> On Apr 1, 2017, at 18:04, Chuck Guzis via cctech
> wrote:
>
>> On 04/01/2017 01:45 PM, Al Kossow via cctalk wrote:
>>
>>
>>> On 4/1/17 12:33 PM, Dominique Carlier via cctalk wrote:
>>> s
> On Apr 5, 2017, at 02:00, Dave Babcock via cctech
> wrote:
>
> The simulator work could greatly benefit from the IBM 1620 & 1622 manuals and
> system diagrams that you have.
>
Connections to the console aside, the best materials for this would likely be
the CE/FE instructional manuals. T
On 4/18/2017 3:17 AM, Christian Corti via cctech wrote:
> On Mon, 17 Apr 2017, Rod Smallwood wrote:
>> There are what appear to be 1976 date codes on some caps.
>>
>> If its that old then replace all and any electrolytic capacitors plus
>> any paper based caps.
>>
>> If they aint bad now they soon
> On Apr 29, 2017, at 12:53, Chuck Guzis via cctech
> wrote:
>
>> On 04/29/2017 10:28 AM, Michael Thompson via cctech wrote:
>> The RICM just received $1,000 to buy a new oscilloscope. I would like
>> a four channel. and color would also be nice. The bandwidth doesn't
>> need to be high because
I can. I use a DR11 parallel port on an 11/24 to transfer the files. Used to
do it to a PC with an old serial port, but now I can do it with an Arduino and
connect it to a PC via Ethernet
BTW, you contacted me some time ago about this same thing. I went to a not
small amount of effort to get
On 6/1/2017 12:12 PM, Ethan Dicks wrote:
> On Thu, Jun 1, 2017 at 7:59 AM, Jay Jaeger via cctalk
> wrote:
>> I can. I use a DR11 parallel port on an 11/24 to transfer the files.
>
> Interesting. I'd like to see how you tackled that (I can imagine
> wanting a cou
the RS64 and the RC11 it would be possible to run DOS/BATCH 11. Could
> be interesting to test it on the real hardware.
>
> Are there any other RS64/RC11 owners out there that has them running? Jay
> Jaeger lists a RC11/RC64 as part of a PDP-11/20 system on his web site.
>
Indeed
On 6/10/2017 3:29 PM, Al Kossow via cctalk wrote:
>
>
> On 6/10/17 8:02 AM, Mattis Lind via cctalk wrote:
>
>> Well. Nobody has posted any thing about RC11 schematics, unfortunately.
>
> I checked my usual places and couldn't find it.
Fortunately, I do have some, and will scan them in, and sen
On 6/11/2017 1:16 PM, Noel Chiappa via cctalk wrote:
> > From: Jay Jaeger
>
> > Fortunately, I do have some, and will scan them in
>
> Yesss! Thank you!
>
> > I will do the usual 400DPI / tiffs
>
> I've found that for engineering draw
On 6/8/2017 2:22 AM, Mattis Lind via cctech wrote:
> I happened to find a RS64 / RC11 combo (missing the PSU though). The
> previous owner was an ex DEC field engineer that himself got it in the
> beginning of the seventies. It is used but has the shipping lock on the
> motor axis.
>
> Maybe the c
Images for an RX02 MINC are available on bitsavers, at
http://bitsavers.informatik.uni-stuttgart.de/bits/DEC/pdp11/floppyimages/minc/rx02.
Based on the "readme", it looks like I provided the RX02 images.
There are some additional MINC related RX01 images in the .../rx01
folder, as well.
Note tha
I might be able to help, but won't be home until tomorrow. I am sure I have
something, but it might be Emulex, though hopefully the pinouts would match.
Sent from my iPad
> On Jul 22, 2017, at 16:29, Fritz Mueller via cctalk
> wrote:
>
> Hi folks,
>
> I'm in need of cabling and a distributi
Just for completeness on the thread, I have:
A BC05W-15 Cable (I am not sure yet if this is real DEC or the two sets
of Emulex cables I have attached to a CP22 cabinet kit - would have to
check on that)
A BC06L-0J Jumper
An H317e (I also have a separate plastic cover for an H317e)
An H7004C F
On 7/31/2017 2:09 AM, Don North via cctalk wrote:
> On 7/30/2017 7:47 PM, Fritz Mueller via cctalk wrote:
>> So, I have lately been using PDP11GUI to retrieve images of RK05 disk
>> packs and to write images to these packs on a PDP-11. This is
>> awesome, but its a bit frustrating that it takes a
I have a puzzlement. I have two very late (apparently) model RK07
drives on my PDP-11/24. As part of an overall search for corroded
battery packs, I went looking for them on the RK07. But my drives don't
seem to match the Illustrated Parts Breakdown for either early or late
model RK07 drives.
I
On 7/31/2017 12:52 PM, Fritz Mueller via cctalk wrote:
>
>> On Jul 31, 2017, at 8:19 AM, Jay Jaeger wrote:
>>
>> I have Ethernet shield for my Arduino Uno, and I use that and a simple
>> (in my case, perl, program to talk to the final destination device. I
>&
Digital Group systems are not S100. More to follow tomorrow.
Sent from my iPad
> On Aug 13, 2017, at 21:43, Ed via cctalk wrote:
>
> http://bytecollector.com/the_digital_group.htm
>
> above is site with great info!
>
> thanks ed#
>
>
>
> In a message dated 8/13/2017 7:03:38 P.M. US Moun
The SHARE1 is on the plastic insert label designed for the purpose. Usually it
would be the IBM OS Volume Serial number. The pack in the photo may have
contained stuff that originated with the IBM SHARE user group, or perhaps the
pack was used on a drive shared between two systems. The painte
On 9/7/2017 9:35 PM, Chuck Guzis via cctalk wrote:
> On 09/07/2017 07:18 PM, Jon Elson wrote:
>
>> Ah, well, I can see why a 7 track tape won't read well on a 9-track drive!
>
> I was a bit puzzled at why a tapemark would read as 135 (hex). Sigh--at
> least the parity is correct.
>
> --Chuck
>
Well, I don't think you checked with *this* Jay. ;)
Would the key from an HP 2112B likely work? It looks very much like the
2108A, just a tad larger (more cards).I have an HP 2112B, and it has
its key.
See a photo at :
http://webpages.charter.net/thecomputercollection/hp/hp2112b.htm
The k
On 10/21/2017 5:40 AM, Rob Jarratt via cctech wrote:
> I have a couple of hard disks I want to make dd copies of. I have Ultrix
> running on my DECstation 5000/240 with the disk I want to clone attached to
> it. The trouble is that I don't have enough disk space on the machine to
> clone the disk a
On 10/27/2017 3:54 AM, Dave Wade via cctech wrote:
> Kip,
> I think "emulation" and "simulation" get used pretty much interchangeable.
> SIMH is touted a simulator, Hercules/390 as an emulator yet they are both
> programs that provide a "bare metal" machine via software on which an
> operating s
On 10/27/2017 1:46 PM, ben via cctech wrote:
> On 10/27/2017 9:27 AM, Jay Jaeger via cctech wrote:
>
>
> With some FPGA venders you could get a TTL library components,
> so you could input older designs. You may have to dig around for them
> because that is not a NEW sellin
On 10/28/2017 9:09 PM, Eric Smith wrote:
> IBM invented computer emulation and introduced it with System/360 in
> 1964. They defined it as using special-purpose hardware and/or microcode
> on a computer to simulate a different computer.
>
> Anything you run on your x86 (or ARM, MIPS, SPARC, Alpha,
On 11/1/2017 11:03 PM, william degnan via cctalk wrote:
> Does anyone out there have an DEC RK06 drive?
> Bill
>
I have neither a drive nor packs. However, I did disassemble a couple
of RK06 drives many years ago, and have a smattering of parts and
boards, a couple of backplanes, spindles, power
On 5/15/2023 12:36 PM, Brent Hilpert via cctalk wrote:
If it's of any help though, on my 2748 connector (the cord-plug-in end) the male pin
diameter is 0.061 ~ 0.062" (measured with a cheap micrometer, perhaps the
actual spec is 1/16=0.0625).
I understand the confusion - I have on hand 3 d
Over the past couple of months I have been working on my FPGA
implementation of the IBM 1410 1960's era pre System/360 system again.
I am pleased to share that the CPU now passes a significant diagnostic,
CU01, which tests almost all of the instructions, and also tests I/O
with overlap and the
Yes, as it was part and parcel of every 1410. but I have not tested it yet.
Sent from my iPad
> On Jul 11, 2023, at 12:06, Van Snyder via cctalk
> wrote:
>
> On Mon, 2023-07-10 at 21:32 -0500, Jay Jaeger via cctalk wrote:
>> Over the past couple of months I have been
PM, Robert Armstrong via cctalk wrote:
On Mon, 2023-07-10 at 21:32 -0500, Jay Jaeger via cctalk wrote:
Over the past couple of months I have been working on my FPGA
implementation of the IBM 1410 ...
What are your plans for implementing I/O? Are you going to emulate a card
reader and line
mode halt and branch (right at the beginning of test M011) also fails.
That should be an easy one, too.
JRJ
On 7/11/2023 1:18 PM, Jay Jaeger wrote:
Yes, as it was part and parcel of every 1410. but I have not tested it yet.
Sent from my iPad
On Jul 11, 2023, at 12:06, Van Snyder via cctalk
My IBM 1410 FPGA project now features a working 1401 mode as well, with
the flip of a switch, exactly like the original IBM 1410.
There are still a few real problems (e.g., Console I/O Input under
program control doesn't seem to be working), a few minor issues
involving console problems when d
On 9/22/2023 4:45 PM, ben via cctalk wrote:
On 2023-09-22 3:16 p.m., Mike Katz via cctalk wrote:
Martin,
The debug board will need to have the following functionality:
1. Read and write to/from memory when the CPU is running using one
cycle data break (DEC's version of DMA for the PDP-8).
I have some open slots in some of my racks. I do have some old DEC
rails, but I have a fair amount of equipment, from both DEC and other
manufacturers, for which those rails are not suitable.
Does anyone have any specific recommendations for shelving? (where
equipment could just be slid on to
On 9/27/2023 3:53 PM, Paul Koning via cctalk wrote:
On Sep 27, 2023, at 12:25 PM, Jay Jaeger via cctalk
wrote:
I have some open slots in some of my racks. I do have some old DEC rails, but
I have a fair amount of equipment, from both DEC and other manufacturers, for
which those rails
I have been scanning in a lot of manuals that I have that relate to
computers that are not in my collectiion, but which may be unique, or
nearly so.
Today I scanned in the Sorbus Micro Handbook 1990 Update, which has
information provided to Sorbus FEs who might service various microcomputers.
Paul, would you mind if I shared this on the Facebook EndFed Halfwave
Antenna group? Time and time again I see folks talk about putting in
ground rods in for antennas and NOT bonding them to the electrical
service ground rod. In most (if not all) locations in the US, this
kind of bonding is
On 1/12/2024 12:02 AM, Raymond Robinson via cctalk wrote:
Hi there,
I need a power supply for my PDP8F computer.
It is missing.
The PDP8F 19" chassis box came in 3 different depths,
600 mm (PSU front to back)
370 mm (PSU across the back)
300 mm (PSU front to back)
I need the shallow one, the 3
On 5/4/2024 11:46 AM, Sellam Abraham via cctalk wrote:
On Sat, May 4, 2024 at 9:28 AM Gianluca Bonetti via cctalk <
cctalk@classiccmp.org> wrote:
...
I am helping Museo del Computer with this fundraising effort in order to
save a large number of machines with significant historic value, includi
On 5/3/2024 5:35 AM, Gianluca Bonetti via cctalk wrote:
Hello everyone
I am helping Museo del Computer with this fundraising effort in order to
save a large number of machines with significant historic value, including
some Sperry Univac systems.
Museo del Computer is a non-profit organization
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