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

AtariLynx/handy-amiga: Amiga diskettes and hardfiles for WinUAE to run an emulated Handy development environment

"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

54weasels/sun3_60

"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

"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

Tags related to retrocomputing

- retrocomputing
 
3 1541
1 16032
4 1801
4 1802
1 1900
1 1k
9 2600
2 2650
2 32016
4 3d
1 3do
3 4004
1 5400
1 60bit
22 6502
1 65816
1 6800
3 68000
6 6809
1 7090
1 7800
1 8-bit
1 800
1 8008
4 8080
1 8086
1 8088mph
1 80s
1 8bit
2 academia
1 acc
2 accelerator
4 ace
29 acorn
10 adventure
28 ag0700
2 ag0801
1 ag0803
1 agc
6 ai
1 algebra
5 algol
1 alpha
1 alto
1 amateur
49 amiga
1 amix
1 amplifier
4 amstrad
25 amusements
1 analog
3 analogue
1 android
1 anime
2 antenna
1 antikythera
2 apl
1 apollo
15 apple
2 apple1
10 apple2
1 apricot
11 arcade
3 archimedes
12 architecture
2 archive
2 archiving
1 arduino
5 arm
1 arpanet
6 art
1 arthur
2 ascii
6 assembler
1 assembly
1 at
1 ata
28 atari
1 atari2600
3 atari800
1 atm
1 atom
1 auction
4 audio
1 autocode
1 aviation
2 avr
1 b
1 b5500
5 babbage
1 backdoor
5 basic
43 bbc
1 bbc-micro
1 bbn
3 bbs
2 bcpl
1 beaglebone
2 bell
1 bell-labs
1 benchmark
1 berzerk
1 besm6
1 bf
1 bitmap
3 bk0010
1 boats
1 broadcast
2 bsd
1 bti
1 build-engine
1 bull
3 burroughs
7 c
1 c128
6 c16
1 c5
26 c64
1 c65
9 calculator
2 calculators
3 cambridge
1 canon
1 card
1 cars
2 cat
1 cbm
1 ccs
1 cd
4 cdc
2 cdp1802
2 cga
1 cgi
1 character
1 charsets
1 chat
5 chess
1 chilton
1 chip
2 chiptune
1 chiptunes
1 chording
1 cisco
1 clone
1 cmp101
1 cmp409
3 coco
1 code
1 coherent
25 commodore
17 compiler
1 complexity
1 composite
1 compression
1 compucolor
1 compuserve
1 computability
1 computation
1 computational-thinking
3 computer
1 computer-architecture
6 computing
5 concurrency
1 concurrent
1 conferences
3 console
1 consoles
1 control
1 copy-protection
1 core
1 cosmac
1 coverdisks
1 cp1610
22 cpm
12 cpu
2 cracking
2 cray
1 cross
1 cross-compiler
1 cross-development
1 crypto
2 cs
2 ctss
1 culture
1 curses
2 custom-chips
6 cute-code
1 cvs
1 cyberpunk
1 daresbury
1 data
1 data-general
1 data-structures
1 databases
1 datasheet
21 dec
5 demo
7 demos
12 demoscene
7 design
1 development
1 dg
1 diagrams
1 dice
1 digicomp
6 digital
1 digital-rights
7 disk
1 disk-imaging
1 distributed
1 dma
1 documentation
4 domesday
3 doom
1 doors
1 dos
5 dragon
1 dram
1 drdos
1 driver
1 ecc
1 ecl
1 econet
2 ed
5 editor
1 editors
1 educ8
1 einstein
1 electron
118 electronics
3 elite
1 eliza
1 elliott
2 em
1 emacs
1 emas
5 embedded
51 emulation
3 emulator
1 engineering
1 epson
1 esoteric
1 et
1 et3400
21 etext
1 ethernet
1 exile
1 false
1 fidonet
1 fish
1 floating-point
14 floppy
1 fm
6 fonts
1 fork
3 forth
1 fortran
1 fowler
1 fp
24 fpga
1 frontier
1 ftdi
1 functional
1 furby
1 future-systems
1 gameboy
119 games
3 gba
1 gcr
1 gec
2 gem
1 generative
2 george
2 germany
1 gi
2 git
1 glitch
1 go
16 graphics
1 h316
1 h8
1 habitat
1 hack
1 ham
4 hard-disk
1 hardware
1 heathkit
1 helios
1 hellschreiber
3 hercules
1 hifi
99 history
17 homebrew
1 honeywell
5 hp
1 hpc
1 html
1 i2c
28 ibm
3 icl
1 icl1900
3 id
2 ide
1 ieee
18 if
1 im
9 imaging
1 imlac
2 imp
1 imsai
1 indentation
1 indy
4 infocom
2 inmos
1 innovation
1 intel
2 intellivision
1 interlace
3 internet
1 internet-archive
2 interview
1 intro
1 invention
1 ioccc
1 irc
1 irix
1 isa
1 iso
4 its
1 j11
2 japan
5 javascript
1 journals
1 joystick
1 jupiter
1 k180x
2 kdf9
1 keen
1 kenbak
2 kent
1 keyboards
1 krc
3 language
17 language-design
1 laptop
1 laserdisc
1 lego
1 leibniz
1 level-design
3 lgp30
3 linux
1 lions
1 lisa
2 lisp
1 logic
1 loop
1 lost
1 lsx
1 lynx
3 m68k
2 mac
2 macos
5 magazine
8 magazines
1 magnetic-scrolls
1 mahjongg
2 mainframe
2 mame
2 manual
2 maps
1 marconi
1 mars
1 master
8 maths
2 maze
2 mca
1 mda
1 meccano
7 mechanica
1 media
1 membership
1 mercenary
2 mfm
1 micro
1 microcode
2 microcomputer
4 microcontroller
3 microprocessor
1 microsoft
1 microtech
1 microvision
1 microwriter
1 minix
1 mint
3 mit
1 mmc
1 mmorpg
1 mmu
1 mobile
1 mod
1 modem
2 mods
1 monitor
1 motherboard
1 motorola
1 mpf1
2 mpm
5 msdos
1 mst3k
1 mts
2 mud
3 multics
1 museum
17 music
1 music500
1 mvs
1 mvt
2 n64
1 nascom
1 national-semiconductor
1 nbtv
1 nes
1 nethack
3 network
6 networking
1 networks
1 news
1 newton
1 nimbus
6 nintendo
1 nova
1 novellas
2 ntsc
1 nz
1 oberon
2 obviously
2 occam
1 oisc
1 oo
1 operating-systems
11 os
1 os-design
1 os8
1 oscilloscope
1 pacman
2 pal
2 papers
2 parallel
1 parsing
2 pascal
1 patent
19 pc
1 pc1500
2 pc532
2 pcw
3 pd
4 pdp
3 pdp1
10 pdp10
21 pdp11
1 pdp4
9 pdp8
1 penguin
1 pentagon
2 performance
1 perq
1 philips
1 photography
1 piccoline
1 pink-floyd
1 pinout
1 pipelining
3 piracy
2 pirate
2 pla
1 plato
4 plus4
1 pocket
1 podcast
1 podule
1 polarware
1 poly
1 portable
1 postal
1 prince-of-persia
1 procedural-generation
1 prog
11 programming
1 propeller
1 ps2
1 psu
1 puzzle
1 puzzles
1 python
4 ql
1 qrp
2 quantumlink
1 r1155
11 radio
1 ral
1 ram
1 raskin
6 raspberry-pi
1 raytracing
2 rca
1 reading-code
1 receiver
1 recovery
1 refresh
2 relay
7 repair
1 repton
17 research
1 restoration
720 retrocomputing
30 retrotech
11 reverse-engineering
1 rework
1 rexx
1 rgb
5 riscos
2 rm
1 road
1 robotics
1 robotron
1 roguelike
2 rom
2 router
1 rpg
1 rpn
1 rsx
2 rt11
10 russia
3 s100
1 s370
1 s380
1 sage
2 sail
2 sales
1 scaler
1 science
1 scifi
1 scintilla
1 scorpion
1 scott-adams
3 scsi
2 sd
3 security
3 sega
3 serial
2 sgi
1 shell
4 shopping
4 sideways
1 simcity
2 simh
1 simulation
27 sinclair
1 sixel
1 smalltalk
1 smp
1 snes
96 software
1 sol
1 sol-20
1 solbourne
1 solitaire
1 sopwith
20 source
8 soviet
6 space
1 spacewar
19 spectrum
1 speedrun
4 st
2 stanford
2 stretch
1 stunts
2 sun
1 sunos
2 supercomputing
2 surplus
1 swansea
1 switch
1 sym1
1 syntax
1 synth
1 sysv
3 tandy
1 tatung
1 tcpip
4 teaching
1 technics
2 teco
1 ted
1 tek
1 tektronix
1 telecom
3 teletext
1 termcap
6 terminal
6 test-equipment
3 tetris
3 text
1 theory
1 ti59
2 time
3 timesharing
1 to-do
1 to-package
1 tops-10
1 tops10
1 tops20
1 tos
1 tosec
1 trackers
1 trains
1 tram
9 transputer
2 travel
4 trs80
1 ttl
1 turing
1 turner
1 turntable
6 tv
1 tv-typewriter
1 typewriter
1 typography
3 uk
1 uk101
1 ukc
1 ukiyoe
1 ultima
1 unicode
1 unisonic
1 unisys
1 unit-record
1 univac
23 unix
3 usb
1 usborne
5 uzi
4 vax
1 vcf
3 vector
1 vectrex
1 venus
1 vhdl
2 vic20
17 video
2 viewdata
1 vinyl
1 vt100
1 vt420
1 waits
1 wang
1 whetstone
1 whirlwind
1 whitecross
2 wiki
1 windowing
1 windows
1 wing-commander
1 woodblock
1 word-processing
1 workbench
2 x86
1 xcopy
2 xt
1 xybasic
1 yes
1 yugoslavia
1 z180
1 z3
1 z4
28 z80
1 zappa
1 zilog
1 zine
1 zork
1 zsdos
2 zuse
3 zx80
10 zx81