DECUSER

Aiki Alpha 3 is out.

Aiki Alpha 2 is out.

I have been busy with Aiki lately, and the last couple of days have been especially active.

I've put the first public alpha of Aiki on GitHub.

Getting DOS-11 V004A Running on a PDP-11/40 I did not set out to install DOS-11.

As a follow-up to my note on setting up a Sixth Edition UNIX laboratory in OpenSIMH, I have now put the complete laboratory repository on GitHub: decuser/lions-laboratory The repository contains the V6 distribution materials, OpenSIMH configurations, PDP-…

This note covers building a complete, restorable Sixth Edition UNIX laboratory in OpenSIMH for reading John Lions’ A Commentary on the UNIX Operating System.

Released dex, a Go port of my Python dircmp utility.

Replaced the Jekyll-based blog with a custom static site generator written in Go.

In this first of two episodes on ch. 7, we're going to look at how you use different addressing modes to get data from memory.

This is part one of two dealing with I/O.

In this second of two episodes on ch. 6, we're going to look at how to read the keyboard, with and without clearing the strobe.

The fifth episode of bit by bit.

This, the 6th episode of bit by bit shows how to get information into and out of the AppleWin emulated Apple IIe.

In this episode, I walk through using Merlin 8 for full screen editing our assembly source code in the Apple IIe.

In this episode I cover nine pages of the book!

This is the second episode of Bit by Bit.

This is the third episode of Bit by Bit.

This is the fourth episode of Bit by Bit.

This is the first episode of my bit by bit series - where I walk though the pages of Assembly Lines: The Complete Book by Roger Wagner and edited by Chris Torrence.

This post summarizes my exploration of Itsy Forth, a compact Forth interpreter designed for study and experimentation.

A video walking the user through the process of obtaining, building and installing OpenSIMH from source.

This post is not a particularly informative one, but when I tried to switch to github actions for publishing the blog, uh, it went poorly.

This note describes a method for fixing Thunderbird when it hangs while indexing.

This is an updated note that covers building a working v7 instance from tape files that will run in the OpenSImH emulator.

This note sets up a series of related notes pertaining to my explorations in Geometry and by extension, Maths.

This is a note where I begin to develop my own geometry based on the example of Euclid, but with an eye towards addressing its shortcomings - what hubris?!

This note describes how to set up and run Franz LISP Opus 32 running on 3BSD running on an emulated VAX 780.

This is a longer note that describes the process of getting ITS (Incompatible Timesharing System) up and running in order to run MACLISP.

This note describes how to set up and run PDP-1 lisp.

This note describes how to set up and run the oldest available ancestor of all extant LISPS and Schemes.

This note sets up a series of related notes pertaining to my explorations in LISP and Scheme.

This note describes how to set up and run Rob Pike's LISP 1.5 in Go.

A video walking the user through the process of installing and using Research Unix Version 7 on the Open SIMH PDP-11/45 and PDP-11/70 emulators.

This note describes how to install the UCB STk 4.0.1 Scheme interpreter on modern 64 bit Debian based systems.

The note walks through the process of installing and configuring a working Slackware 15 64 instance with the packages mirrored locally for ease of access and eliminating the need to be online as much.

This note provides a workflow for taking a less than optimized PDF and optimizing it for viewing and printing.

This note explores the basics of Xlib.

This note describes setting up a development environment for doing X Windows Development on Mac OS from the ground up.

This is a note about merging (or not merging) binary files in Fossil.

Mermaid is a javascript tool to generate graphics - diagrams and charts and such using markdown-like syntax.

Today, I did my 50th deployment (this is the 51st) of the blog, adding mermaid-js support to the site.

This note is about installing and running DragonFly BSD 6.4 DragonFly BSD from https://dragonflybsd.org is a BSD :).

This note is about installing and running Fossil SCM on TrueNAS Core.

Sheesh, live and learn.

This note is about installing and running Sculpt OS 22.10 in VirtualBox.

This note is about building a bootable Sculpt OS 22.10 image using a Debian 11 "Bullseye" Guest OS running in VirtualBox.

dircmp.py A plan to improve and extend This note pertains to dircmp.py a program that I wrote to give me information about two directories for the purpose of deciding what to keep and what to remove and to learn about python.

Warren Toomey, the founder and maintainer of all things related to The Unix Heritage Society (TUHS) https://www.tuhs.org/ has been awarded the 2022 USENIX Lifetime Achievment Award ("The Flame").

A note about creating a github pages jekyll minima themed blog site and about adding pagination after the fact.