Ed S @EdS@mastodon.sdf.org

if you like #RetroComputing you should check out https://nora.codes/post/the-sinclair-zx-81-ts-1000/

@SpindleyQ

Havard Graphics: https://en.wikipedia.org/wiki/Harvard_Graphics

years ago I wrote a presentation program and a presentation file specification called "slide" in #Forth. It was targetting a Atari 8bit, but can be ported to any Forth system. I would need some days to search and (hopefully) find the sources.

Definitely check out this homebrew #trs80 CoCo that a guy's dad and his friend spent 3 years building in the mid 80s
#retrocomputing
https://www.reddit.com/r/retrobattlestations/comments/be21rh/has_anyone_ever_seen_a_homebuilt_trs80_clone_my/

Analyzing the ROMs of Third Party Disk Drives for the C64
https://www.pagetable.com/?p=1048

Punch cards and India ink.

---
RT @sciam@twitter.com
French astrophysicist Jean-Pierre Luminet was the first to accurately visualize a black hole. In 1978, he used punch cards to write a computer program calculating the appearance and then reproduced the image by hand using India ink on Canson negative paper http://bit.ly/2UL1ylU
https://twitter.com/sciam/status/1115714174859063298

PDP-11's diode matrix boot ROM. #retrocomputing

https://www.cca.org/blog/20120222-Diode-Matrix.shtml

@thomasfuchs Granted.

@thomasfuchs Here's an Apple IIc I've been restoring

I’m bored, please post pics of your favorite #retrocomputing machines

Dr C Wacko's
Miracle Guide
to designing and programming your
Atari Computer
Arcade Games

Space Duck.
Remedial Breathing Club.
I love everything about this book already.

#Forth on the Vectrex game console (80ies vector CRT game machine)

Phillip Eaton — Programming in Forth on the Vectrex

https://wiki.forth-ev.de/doku.php/events:ef2018:vectrex

The ternary calculating machine of Thomas Fowler
Web page by Mark Glusker
In collections: Basically computer science, History, Unusual arithmetic, Unusual computers, Integerology
A large, wooden calculating machine was built in 1840 by Thomas Fowler in his workshop in Great Torrington, Devon, England. In what may have been one of the first...
URL: http://www.mortati.com/glusker/fowler/index.htm
Entry: http://read.somethingorotherwhatever.com/entry/TheternarycalculatingmachineofThomasFowler

LIGO Orrery • A visualization of black hole merging events LIGO has detected https://www.youtube.com/watch?v=gmmD72cFOU4 #linkblog #spacescienceastronomyligogravityblackholetootme

@EdS "Soul of an Old Machine" is me; a video of the presentation https://www.youtube.com/watch?v=8Ds4SD-t-Lk&t=929s Home page for the project https://ringzero.wikidot.com/
#retrocomputing #Multics

This lovely IIc was actually living over at Inter/Access.

#retrocomputer

I think a lot of people think that free speech was a historic US value; in fact it was incredibly contested, and it took the civil rights movement in the 60s to really establish it as a vital part of US law (just as it took WW2 to push it to the forefront of universal human rights law). https://www.eff.org/deeplinks/2019/03/inextricable-link-between-modern-free-speech-law-and-civil-rights-movement

Who can name these all? It'll definitely be a lot easier after my last post. ;p

#retrocomputer #challenge

Programmable Ruler Keeps 1970’s Computing Alive https://hackaday.com/2019/03/02/programmable-ruler-keeps-1970s-computing-alive/ #Microcontrollers #Retrocomputing #retrocomputer #blinkenlight #PIC18F43K20 #ToolHacks #altair #ruler

How many bits would a cm-2 connect if a thinking machine could think?