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Obsolescence
, …
Warren Young
11
8/27/19
Fixing problems - a how-to
On Monday, August 26, 2019 at 3:30:17 PM UTC-6, Obsolescence wrote: that whole procedure needs to be
unread,
Fixing problems - a how-to
On Monday, August 26, 2019 at 3:30:17 PM UTC-6, Obsolescence wrote: that whole procedure needs to be
8/27/19
michae...@gmail.com
2
Jan 18
Un-Assembled PiDP-8 Available
On Sunday, January 18, 2026 at 5:56:17 PM UTC-5 michae...@gmail.com wrote: Anyone interested in
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Un-Assembled PiDP-8 Available
On Sunday, January 18, 2026 at 5:56:17 PM UTC-5 michae...@gmail.com wrote: Anyone interested in
Jan 18
Mike Sachs
,
Ian Schofield
2
Jan 15
spacewar source code
Hi Mike, I also had a lot of trouble finding a working version on the web. I am not sure where the
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spacewar source code
Hi Mike, I also had a lot of trouble finding a working version on the web. I am not sure where the
Jan 15
DR
,
Andrew Trice
2
Jan 12
Are there more 'modern' versions of Blinkenlights or Deep Thought available?
Indeed. Deeper Thought, a C++ port. It runs in the Pi's linux OS. Set it start on boot! https://
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Are there more 'modern' versions of Blinkenlights or Deep Thought available?
Indeed. Deeper Thought, a C++ port. It runs in the Pi's linux OS. Set it start on boot! https://
Jan 12
Ken Hansen
, …
Steve Tockey
3
Jan 12
PDP-8 spotted in movie...
The original "Classic 8" (sometimes called the "Straight 8") appears in an
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PDP-8 spotted in movie...
The original "Classic 8" (sometimes called the "Straight 8") appears in an
Jan 12
Sven Moritz Hallberg
, …
Sven M. Hallberg
10
Jan 9
Inverting the deposit switch in software
Steve Tockey on Wed, Jan 07 2026: > I'm not sure that a software-only solution should be the
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Inverting the deposit switch in software
Steve Tockey on Wed, Jan 07 2026: > I'm not sure that a software-only solution should be the
Jan 9
ggrinton
, …
Steve Tockey
3
Jan 2
Sing_Step selection of OS fails
Apologies for taking a while to reply but I've been in China for the last 3 weeks without access
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Sing_Step selection of OS fails
Apologies for taking a while to reply but I've been in China for the last 3 weeks without access
Jan 2
Michael Underhill
Jan 2
New ASR-33 teletype emulator with paper tape reader/punch
I have wanted a more realistic teletype experience when using my PiDP8/I, but real ASR33s are
unread,
New ASR-33 teletype emulator with paper tape reader/punch
I have wanted a more realistic teletype experience when using my PiDP8/I, but real ASR33s are
Jan 2
Rick Adams
,
AndyB
3
12/16/25
TSS8 and ODTHI
Well, I know a little more now, via some searching and experimentation. If you load a program with
unread,
TSS8 and ODTHI
Well, I know a little more now, via some searching and experimentation. If you load a program with
12/16/25
William Cattey
, …
Ian Schofield
27
11/11/25
cycle-accurate emulation revisited.
Hi all again, Apologies. This app has been a bit of a moving target as minor changes have accumulated
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cycle-accurate emulation revisited.
Hi all again, Apologies. This app has been a bit of a moving target as minor changes have accumulated
11/11/25
Mike Katz
, …
Ian Schofield
4
11/11/25
Line input routine
Hi All, A teletype input routine can become very involved depending on the application. In the first
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Line input routine
Hi All, A teletype input routine can become very involved depending on the application. In the first
11/11/25
David Rosengrant
, …
AndyB
4
11/6/25
PiDP 8 Built
an essential addition to any living room.... :D Andy On Monday, November 3, 2025 at 7:52:12 PM UTC-5
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PiDP 8 Built
an essential addition to any living room.... :D Andy On Monday, November 3, 2025 at 7:52:12 PM UTC-5
11/6/25
R Clark
10/17/25
Runs fine on RPI-3 using PI OS Trixie 32bit
Tonight I updated my Pidp-8 to use the latest 32bit Trixie Lite PI OS. Also wanted to try out
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Runs fine on RPI-3 using PI OS Trixie 32bit
Tonight I updated my Pidp-8 to use the latest 32bit Trixie Lite PI OS. Also wanted to try out
10/17/25
Rick Adams
, …
Steve Tockey
19
10/14/25
TSS8 patch area(s)
Just some possible observations regarding reducing in size ... One fairly obvious thing would be to
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TSS8 patch area(s)
Just some possible observations regarding reducing in size ... One fairly obvious thing would be to
10/14/25
William Cattey
4
10/10/25
Who has a PAL-8 pointy hat?
I found an answer to my question #2. It was complicated by the presence of XLIST in 8NFIO already.
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Who has a PAL-8 pointy hat?
I found an answer to my question #2. It was complicated by the presence of XLIST in 8NFIO already.
10/10/25
William Cattey
,
Vincent Slyngstad
10
10/6/25
Non-EAE support in U/W FOCAL. A mostly not yet working prototype.
The code in DECUS 8-436 was most helpful. Their DVI emulation was smaller than mine and mostly
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Non-EAE support in U/W FOCAL. A mostly not yet working prototype.
The code in DECUS 8-436 was most helpful. Their DVI emulation was smaller than mine and mostly
10/6/25
Paul R. Bernard
, …
Rick Murphy
5
9/29/25
OS/8 Fortran IV frustration
Yup, typo. should be WRITE(4,30). -Rick On Mon, Sep 29, 2025 at 11:31 AM timr...@gmail.com <
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OS/8 Fortran IV frustration
Yup, typo. should be WRITE(4,30). -Rick On Mon, Sep 29, 2025 at 11:31 AM timr...@gmail.com <
9/29/25
Rick Adams
,
timr...@gmail.com
4
9/28/25
Altering TSS8 idle task
Ok. That's true. But most of us were not allowed to patch it as it was running 24/7 except for
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Altering TSS8 idle task
Ok. That's true. But most of us were not allowed to patch it as it was running 24/7 except for
9/28/25
albinia hollyman
, …
William Cattey
23
9/28/25
autoboot PiDP-8 user program ?
Hi Steve, I don't know why, but Google Groups sent some of your replies for moderation. As soon
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autoboot PiDP-8 user program ?
Hi Steve, I don't know why, but Google Groups sent some of your replies for moderation. As soon
9/28/25
Robert Evans
9/18/25
Re: [pidp8] Digest for pidp-8@googlegroups.com - 2 updates in 1 topic
I put the OP's full question into perplexity.ai. I never asked it to write code before. The
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Re: [pidp8] Digest for pidp-8@googlegroups.com - 2 updates in 1 topic
I put the OP's full question into perplexity.ai. I never asked it to write code before. The
9/18/25
Mike Katz
,
Steve Tockey
2
9/9/25
How to get binary output for TTIX/TTOX
FWIW, my understanding is that the settings on TTIX are mirrored for TTOX. Setting TTOX to 8B should
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How to get binary output for TTIX/TTOX
FWIW, my understanding is that the settings on TTIX are mirrored for TTOX. Setting TTOX to 8B should
9/9/25
Mike Katz
,
Steve Tockey
2
9/9/25
Setting TTIX to be 8 Bits for output
Hi Mike, I'm not sure this is going to be of any help, but ... Seems that the latest
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Setting TTIX to be 8 Bits for output
Hi Mike, I'm not sure this is going to be of any help, but ... Seems that the latest
9/9/25
Steven Mason
, …
Warren Young
19
8/20/25
THROTTLE for the PIDP8i on a Raspberry PI 4.
Well that certainly explains things. I will go back in a look much closer. Still trying to learn so
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THROTTLE for the PIDP8i on a Raspberry PI 4.
Well that certainly explains things. I will go back in a look much closer. Still trying to learn so
8/20/25
Steven Mason
, …
Clem Cole
4
8/17/25
Texas Instruments Silent 700 Data Terminal Model 707
This is why I say, get one of the better (Prolific or FTCI) based USB to RS-232C converters. They are
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Texas Instruments Silent 700 Data Terminal Model 707
This is why I say, get one of the better (Prolific or FTCI) based USB to RS-232C converters. They are
8/17/25
Mike Katz
, …
timr...@gmail.com
4
8/4/25
Updated: Using TTOX with a USB USB Serial Port
This is what I too was thinking. But was not sure. Good to know. On Monday, August 4, 2025 at 11:05:
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Updated: Using TTOX with a USB USB Serial Port
This is what I too was thinking. But was not sure. Good to know. On Monday, August 4, 2025 at 11:05:
8/4/25
Mike Katz
8/2/25
Using TTOX with a USB USB Serial Port
According to the documentation to use a USB serial port adapter for output on a port other than 03/04
unread,
Using TTOX with a USB USB Serial Port
According to the documentation to use a USB serial port adapter for output on a port other than 03/04
8/2/25
Steven Mason
, …
Steve Tockey
6
6/30/25
Looking for a Nice Demo Program
And here's a version of KAB (one dimensional Pong) source code that should be read-able on a Mac
unread,
Looking for a Nice Demo Program
And here's a version of KAB (one dimensional Pong) source code that should be read-able on a Mac
6/30/25
Rick Adams
, …
timr...@gmail.com
4
6/30/25
"Gripe" program usage w/ TSS8
I think Gripe came about in 8.24? Our system ran 8.22b for most of my time there. About a month
unread,
"Gripe" program usage w/ TSS8
I think Gripe came about in 8.24? Our system ran 8.22b for most of my time there. About a month
6/30/25
timr...@gmail.com
2
6/30/25
Serial terminal not doing line feeds at end of line
Never mind. It was me not having set the right parity on the terminal. All works great now. I had it
unread,
Serial terminal not doing line feeds at end of line
Never mind. It was me not having set the right parity on the terminal. All works great now. I had it
6/30/25
Mike Katz
, …
DR
19
6/25/25
PiDP-8/I connected to a real Teletype Model 33 ASR (ASR-33)
The sound and smell of a TT is magical to me. The first real connection with a computer. The U's
unread,
PiDP-8/I connected to a real Teletype Model 33 ASR (ASR-33)
The sound and smell of a TT is magical to me. The first real connection with a computer. The U's
6/25/25
Joe Giliberti
,
timr...@gmail.com
2
6/22/25
New user here - was booting to OS/8 but now it hangs
How did you shut down OS/8 and Simh? A power off may have corrupted your SD card if something was
unread,
New user here - was booting to OS/8 but now it hangs
How did you shut down OS/8 and Simh? A power off may have corrupted your SD card if something was
6/22/25
