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[PiDP-11]
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1–30 of 1369
Discussion group for the PiDP-11.
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stephan küppers
,
Johnny Billquist
4
9:23 AM
Mim.Stupi.NET-Server not available
Problem with a firewall outside of my control. :-( I'm trying to reach Peter about it, but no
unread,
Mim.Stupi.NET-Server not available
Problem with a firewall outside of my control. :-( I'm trying to reach Peter about it, but no
9:23 AM
Laurent Dizy
, …
Henry Bent
47
May 10
Contact Oscar for parts
If you folks are heavily into PDP-11 development it might be worth joining the SIMH list if you haven
unread,
Contact Oscar for parts
If you folks are heavily into PDP-11 development it might be worth joining the SIMH list if you haven
May 10
Bill Silver
May 10
PDP-11: The Second Most Influential Computer Architecture of All Time
For all you computer architecture history nerds like me, I attach a recent conversation I had with
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PDP-11: The Second Most Influential Computer Architecture of All Time
For all you computer architecture history nerds like me, I attach a recent conversation I had with
May 10
Charles Wall
, …
amp...@gmail.com
6
May 9
New User/Old Version of PiDP-11
Thanks for all the input. I will just proceed with what I have! On Friday, May 9, 2025 at 1:36:02 PM
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New User/Old Version of PiDP-11
Thanks for all the input. I will just proceed with what I have! On Friday, May 9, 2025 at 1:36:02 PM
May 9
Mike Katz
May 8
ASR-33 Roll Paper and Paper Tape needed
I will soon receive an ASR-33 and I will need roll paper, 1" rolled (preferably oiled) paper
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ASR-33 Roll Paper and Paper Tape needed
I will soon receive an ASR-33 and I will need roll paper, 1" rolled (preferably oiled) paper
May 8
Heinz-Bernd Eggenstein
, …
Johnny Billquist
5
May 6
2.11BSD TOP and long usernames
Cool, thanks! I guess this can wait until there are other issues fixed to form a critical mass for a
unread,
2.11BSD TOP and long usernames
Cool, thanks! I guess this can wait until there are other issues fixed to form a critical mass for a
May 6
Henry Bent
May 3
Fwd: [simh] Binutils/GCC cross-compiler for PDP11
Hi all, Just realized that I only sent this to the SIMH list; I meant to also send it to the PiDP
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Fwd: [simh] Binutils/GCC cross-compiler for PDP11
Hi all, Just realized that I only sent this to the SIMH list; I meant to also send it to the PiDP
May 3
Develop With Dan
, …
Steven A. Falco
12
May 3
How much difference will the pi version make in the real world
I've upgraded both my PiDP-10 and PiDP-11 to each use a Pi 5. I had bought two Pi 5 boards for a
unread,
How much difference will the pi version make in the real world
I've upgraded both my PiDP-10 and PiDP-11 to each use a Pi 5. I had bought two Pi 5 boards for a
May 3
Develop With Dan
, …
Bill B
13
May 3
Are there any guides to getting started with the software?
Yes Mark, I have another video, it's not on the PiDP, but it uses the same emulator... simh, so
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Are there any guides to getting started with the software?
Yes Mark, I have another video, it's not on the PiDP, but it uses the same emulator... simh, so
May 3
Bernhard Nebel
, …
vlai...@gmail.com
31
May 1
Advent calendar for nerds
... this could easily be extended/modified to cover the PiDP-11 bm180 "hack" as well to
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Advent calendar for nerds
... this could easily be extended/modified to cover the PiDP-11 bm180 "hack" as well to
May 1
Henry Bent
, …
Johnny Billquist
50
Apr 30
GCC and printing floats under 2.11BSD
I already posted the result of running the same program on real hardware, and under simh, with the
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GCC and printing floats under 2.11BSD
I already posted the result of running the same program on real hardware, and under simh, with the
Apr 30
Carl Marbach
, …
Stephen J. Michaele
11
Apr 28
RSTS Professional Magazine
Hi Carl, It looks like the internet archive has what you want. Thanks for starting the publication, I
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RSTS Professional Magazine
Hi Carl, It looks like the internet archive has what you want. Thanks for starting the publication, I
Apr 28
David Lochlin
,
Johnny Billquist
4
Apr 26
RT11 Assembler - What causes a Red stack trap, PC: ?
Thanks Johnny, that will be it. I'll read the manual now I know where to look. Dave On Friday,
unread,
RT11 Assembler - What causes a Red stack trap, PC: ?
Thanks Johnny, that will be it. I'll read the manual now I know where to look. Dave On Friday,
Apr 26
Ville Laitinen
, …
Johnny Billquist
20
Apr 18
stupid question...
Ragge's comments on the header issues... Johnny -------- Forwarded Message -------- Subject: Re:
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stupid question...
Ragge's comments on the header issues... Johnny -------- Forwarded Message -------- Subject: Re:
Apr 18
Johnny Billquist
, …
Flavio Villanustre
4
Apr 17
2.11BSD patch 490
The fix address a specific case of long shifts. I don't think there are any such case in the 2.11
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2.11BSD patch 490
The fix address a specific case of long shifts. I don't think there are any such case in the 2.11
Apr 17
Doug Braun
, …
Mark Williams
42
Apr 15
A 2.11 BSD Unix image for the RP07 drive in PDP2011
Thanks Flavio and Warner for clearing up my understanding. What a great product! I want one 😩 On Tue,
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A 2.11 BSD Unix image for the RP07 drive in PDP2011
Thanks Flavio and Warner for clearing up my understanding. What a great product! I want one 😩 On Tue,
Apr 15
Folkert van Heusden
, …
Sytse van Slooten
9
Apr 11
BSD 2.11 diskimage for 11/70 on RL02 or RP06
Hallo Folkert er staat een rp06 image op mijn website: https://pdp2011.sytse.net/wordpress/download/
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BSD 2.11 diskimage for 11/70 on RL02 or RP06
Hallo Folkert er staat een rp06 image op mijn website: https://pdp2011.sytse.net/wordpress/download/
Apr 11
Dave Schultz
, …
Henry Bent
7
Apr 10
New here, had an idea!
On Thu, 10 Apr 2025 at 18:32, Dave Schultz <schultz...@gmail.com> wrote: The biggest thing
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New here, had an idea!
On Thu, 10 Apr 2025 at 18:32, Dave Schultz <schultz...@gmail.com> wrote: The biggest thing
Apr 10
Doug Braun
, …
Malcolm Ray
7
Apr 10
PDP2011 FPGA board all hooked up to a PiDP-11
On Thu, 2025-04-10 at 10:53 -0400, Anton Lavrentiev wrote: > > I was worried that those
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PDP2011 FPGA board all hooked up to a PiDP-11
On Thu, 2025-04-10 at 10:53 -0400, Anton Lavrentiev wrote: > > I was worried that those
Apr 10
Henry Bent
,
Johnny Billquist
2
Apr 10
Software Porting
I don't know if I'd say this is where most 2.11BSD development is happening. But there are
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Software Porting
I don't know if I'd say this is where most 2.11BSD development is happening. But there are
Apr 10
Darren Williams
, …
Johnny Billquist
10
Apr 8
After 2 hours, giving up and asking for help with the UFD command
Well. MCR as well as DCL under RSX is closer to a shell under Unix than DCL under VMS. Yes, DCL
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After 2 hours, giving up and asking for help with the UFD command
Well. MCR as well as DCL under RSX is closer to a shell under Unix than DCL under VMS. Yes, DCL
Apr 8
timr...@gmail.com
, …
Jon Crowell
27
Apr 7
Lights stuck
After running a few months whith now locking up of the lights I found the RSTS/E 10.1L system locked
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Lights stuck
After running a few months whith now locking up of the lights I found the RSTS/E 10.1L system locked
Apr 7
Tony Ennis
, …
Tim Radde
18
Apr 6
What do you do with your PiDP-11?
Very cool. I know I would have played this if I had known about it. Yes, Adventure was addictive. So
unread,
What do you do with your PiDP-11?
Very cool. I know I would have played this if I had known about it. Yes, Adventure was addictive. So
Apr 6
Johnny Billquist
, …
terry-...@glaver.org
15
Apr 1
2.11BSD patches
Just to close this out, my RPi5 was apparently losing its marbles and duplicating packets destined
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2.11BSD patches
Just to close this out, my RPi5 was apparently losing its marbles and duplicating packets destined
Apr 1
Steven A. Falco
,
Steve Platt
2
Apr 1
Simh speed
At least as far as compilation tests are concerned, which focus on IO/file streaming and a modicum of
unread,
Simh speed
At least as far as compilation tests are concerned, which focus on IO/file streaming and a modicum of
Apr 1
Johnny Billquist
, …
Steven A. Falco
5
Apr 1
New 2.11BSD patch out
Ok - makes sense. And as Flavio said, Thanks for all the work that you do! Steve On 4/1/25 10:34 AM,
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New 2.11BSD patch out
Ok - makes sense. And as Flavio said, Thanks for all the work that you do! Steve On 4/1/25 10:34 AM,
Apr 1
Milo Velimirović
Mar 31
Re: Oldest known C Source
Perhaps the best archive for ancient C and UNIX is TUHS. The listed github files and more are
unread,
Re: Oldest known C Source
Perhaps the best archive for ancient C and UNIX is TUHS. The listed github files and more are
Mar 31
Ggrinton
, …
Tim Boan
10
Mar 28
BQTCP/IP unable to start
Thanks, thanks and thanks for the tip about the positioning of DZ vs XU in simh. This fixed a problem
unread,
BQTCP/IP unable to start
Thanks, thanks and thanks for the tip about the positioning of DZ vs XU in simh. This fixed a problem
Mar 28
isy...@gmail.com
, …
Johnny Billquist
7
Mar 28
Ultrix 3.1 and early Unix networking
Hi. On 2025-03-28 14:05, Ian Schofield wrote: > Hi Johnny, > > Oops, I had assumed RSX had
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Ultrix 3.1 and early Unix networking
Hi. On 2025-03-28 14:05, Ian Schofield wrote: > Hi Johnny, > > Oops, I had assumed RSX had
Mar 28
Ggrinton
, …
oscarv
5
Mar 27
Beta version from github crashing
Apologies! I just put through the suggested fix. Many thanks for catching this. Kind regards, Oscar.
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Beta version from github crashing
Apologies! I just put through the suggested fix. Many thanks for catching this. Kind regards, Oscar.
Mar 27