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The English Electric KDF9 Computer
Including lots of documentation, an emulator and the surviving operating systems. Unfortunately the latter doesn't include the interactive timesharing systems that once existed.
to emulation history kdf9 retrocomputing timesharing ... on 10 February
DE-9 Joystick - IndividualComputers
Handy overview of the different variations on the DE9 joystick port.
to amiga atari c64 commodore joystick pinout retrocomputing sega ... on 07 August 2025
"This repository contains Amiga diskettes in adf format for the Handy development environment, also known as "Lynx Development System"."
to amiga assembler cross lynx retrocomputing ... on 10 July 2025
monsonite/1968-FORTH: Original Forth for 1BM 1130 written by Charles Moore in 1968.
"Original Forth for IBM 1130 written by Charles Moore in 1968." It's very small, as you might expect.
to forth ibm language-design retrocomputing ... on 09 July 2025
RetroWorkshop – Yesterday’s Technology Today
Repairing various interesting things, including a Sinclair C5, some 1980s computers and an SL1210.
to c5 electronics repair retrocomputing sinclair technics turntable ... on 06 July 2025
"This project reproduces the Sun 3/60 computer from available schematics". Involves quite a lot of PALs and small memory chips, but it does make it clear how the MMU works.
to architecture electronics m68k mmu retrocomputing sun ... on 06 July 2025
research!rsc: Running the “Reflections on Trusting Trust” Compiler
With analysis of the surprisingly short source code.
to backdoor bell-labs compiler history retrocomputing security unix ... on 26 October 2023
"Amiga Music Preservation (AMP), a non profit association, is running the largest and most comprehensive database ever about amiga music and amiga musicians."
to amiga demoscene mod music retrocomputing ... on 25 August 2023
Dr. Hugo Holden's Electronics page
"This website is dedicated to interesting and unusual electronics engineering projects in the field of radio receivers, transmitters, television and general electronics." Undersells itself quite a bit! There are some very detailed and well-written articles here about radio and TV restoration, and a few on test equiment and the Sol-20 computer.
to electronics radio retrocomputing retrotech sol-20 test-equipment tv ... on 25 March 2021
Acorn System Computers Website
Chris Oddy's very comprehensive early Acorn site. Includes pictures of most of the original parts, and designs for replicas of most of the boards too.
to 6502 acorn electronics retrocomputing ... on 25 March 2021
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tasty by Adam Sampson.