[PiDP-1]

Bill, On Saturday, September 27, 2025 at 1:22:05 PM UTC+2 wjegr...@gmail.com wrote: How are binaries

Hi John, j343...@gmail.com schrieb am Mittwoch, 12. November 2025 um 01:22:15 UTC+1: Greetz all -

So today I had electricians out to do some work. This involved cutting power to, among other places,

maklumatp... and michai..., Thanks for the links. They will be helpful. On Tuesday, November 11, 2025

the start 10 at the end and the right click was the solution! thanks! Matthias Barthel schrieb am

hello, any good news for the guy's who are waiting ? Matthias jl..@ceds.dev schrieb am Freitag,

This scale is nice because the PDP-1 also used another display, the Type 31, which had 12-bit

First of all let me say that the Type 30 virtual display implementation is amazing. The fading

It's coming. It's the implementation of my new version of the Data Communications System the

I have a cooling fan and I've noticed that it runs fairly often at low speed. I have a continuous

Thanks for the prompt reply! The dynamic IOT support logic lets an IOT issue IOS when a wait is to be

Hi Angelo, Well, that was a surprise. I came to the PiDP-1 via PiDP-11/70, PiDP-8, and PiDP-10, all

I'm friends with Gordon's son Brigham. (We worked together for a long time at a medical

Hi, I have a PiDP-1 Rack with USB for Tape I/O, keyboard and mouse. Attached is a video capture of go

In fact 364.4 smoots long, plus or minus one ear. On Mon, Nov 3, 2025, 9:00 AM Bill E <wjegranite@

Fixed it! Found the answer in another thread on here. We had a problem running the install.sh

> F15_PDP1_Handbook_Apr60.pdf as well as the preliminary pdp-3 spec don't have cal/jda "

Hi, Wandering about the internet I was surprised to find this documentation:- A Time Sharing System

That fixed it, readin now loads to the specified bank! Thanks, Bill

Angelo, my first try with my pdp1 replica was also a led matrix, but now i drive all leds with gpios

I'm embarking on yet another goodie, this time a modernized version of the Type 630 Data Control

Ya the Recent sidebar choice (OS feature) in the GUI works pretty well. Just one extra click. I tried

Some of the -1D add-ons are certainly strange, like ring mode. The load/store character instructions

It was commented out in pdp1.h. I just put it back in, seems to work fine. Bill

I notice this when I hit 'read in'. But I wrote a very simple program to load words from tape

Thank you! that will make it easier to synchronize our stuff. I won't promise that i'll merge

You can find my verilog PDP-1 here, though i never put it on an FPGA because peripherals are always a

Sorry to be useless: never used that feature myself, but oscar should know! On Saturday, October 25,

You can skip choosing the file again and again, it remembers and assembles the new version. But yes,

I should mention that I resolved this issue but don't know why. I switched to the native Pi

Ok, what and why? It was a 3 channel dma option used by external hardware that needed fast block