[PiDP-1]

Some more experiments with the software random. A tiny change really improves the apparent randomness

Another significant refactoring of the original pdp1.h include to make use elsewhere much easier and

Here's an even more impressive and I think pretty fun lines. This one uses vcontinue, which are

Finally finished adding support for typewriter input, and the Lisp tape, to https://sgeo.github.io/

Lacking responses, I think I've figured out that a start, readin, continue, or examine will

This would never have existed on any real PDP-1. Well, it could have, but only on separate monitors.

I'm using it as an art work on the wall with the Type 30 in a picture frame and a PiDP-8/I as a

The subconscious is a wonderful thing. It just suddenly came to me what to look for, bingo. It will

Hard to see the details, but this is the Type 340 using its Type 342 character generator to draw

I guess I shouldn't be that concerned. I've tweaked p7simES, (yes, went down the rabbit hole,

I found a binary that wouldn't load for the maindec test and managed to disassemble it The mac is

I updated the app again with a bunch of PiDP-x and SimH information so you always have it to hand.

One other thing Bill... I notice the 'blinky lights' behaviour is much improved compared to

Hmm, what happened to the pdf? One more time..

My apologies, I messed up the critical patch update, pushed the wrong version. Too little sleep. All

It seems to be OK. Mine is running on a pi5, but I do occasionally test on a pi4 and don't

This covers my implementation. I'm including a pdf of it just because I think it's such a

Sorry, but I broke display in my earlier update, it's fixed. More cross-platform gcc diffs. On

Nice Computerphile episode B is the forerunner to C - but seemed lost - Angelo Papenhoff decided to

It is an amazing device. And yes, the manual says 'slave'. It's perfectly appropriate in

Thanks on all fronts, Bill. Yes, FWIW, the EXTEND light came on - as it does with the working Bach

ALL of the low-level display code that was intertwined with the emulator main loop is now gone. It

Ok, doesn't look like much: But under the covers, it's pretty cool. It's being drawn with

I think, Lars Brinkoff may know more about the 340, but probably mostly as related to PDP-6 and its

Ok, finally found the correct file, git was not being cooperative. I've merged the fix,

Right - thanks much for the reminder! But in my case, the problems were: 1) instead of using the

Perhaps a thread to collect PiDP-1 stuff in the media? To start: Some time ago i was interviewed (in

Some updates. nothing for the pdp1 yet i'm afraid, but i've finally pushed some stuff: * put

Thanks much for this - it was a helpful start towards solving a similar problem with my build. Based

I was just sorting through the leftovers from my #248 rack build - lots of spare parts, along with