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RetroTheory :verified:

@retrotheory@oldbytes.space
  • Open on oldbytes.space

Playing with old computers, breaking them, maybe fixing them.

Location: Ireland

0 Followers
0 Following
16 Posts
Joined April 26, 2022
Mastodon:
https://oldbytes.space/@retrotheory
Youtube:
https://www.youtube.com/@retrotheory
Github:
https://github.com/retrotheory/

Posts

Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · May 07, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space
Replying to @arroz@mastodon.social
@arroz@mastodon.social WOW, This is fantastic , because last week I set about the very same thing , I made the mac video pico2dvi so I wouldn't risk damaging the mac if my frequencies were off, and the images here on the mac are made with pico2. I kinda slowed down dev because the voltages need to be adjusted on the mac analog board if you are not running the load of the motherboard, and the image gives slight fold-over due to wrong B+. on the Plus anyway. This would not be an issue in SE/
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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Apr 04, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space
Replying to @kalleboo@bitbang.social
😊 thanks
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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Apr 04, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space

Ok, I have brought BigMaclock to After Dark screensaver
https://github.com/retrotheory/BigMaclockAD

Thanks @paulrickards@mastodon.social the AD idea and thanks @kalleboo@bitbang.social for pointer on what I was doing wrong.

Now with Inversion Timer (phosphor protection)
Thanks for idea @techknight@oldbytes.space

GitHub

GitHub - retrotheory/BigMaclockAD: BigMaclock After Dark

BigMaclock After Dark . Contribute to retrotheory/BigMaclockAD development by creating an account on GitHub.

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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Apr 02, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space
Replying to @kalleboo@bitbang.social
@kalleboo@bitbang.social @paulrickards@mastodon.social it like programming another mac inside a mac . It's so strict :/ getting there , having trouble with my counters or timers within AD
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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Mar 31, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space
Replying to @kalleboo@bitbang.social
@kalleboo@bitbang.social @paulrickards@mastodon.social lol, yea I think so too, it hasn't clicked yet for me, and my bouncing ball has the same issue so it must be a break in my understanding. I'll need to do more reading
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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Mar 31, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space
Replying to @retrotheory@oldbytes.space
@paulrickards@mastodon.social harder than it looked, having trouble updating time , it's stays static . I need to find more info
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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Mar 30, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space
Replying to @retrotheory@oldbytes.space
@paulrickards@mastodon.social I will give this a go over the weekend, seems straightforward enough
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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Mar 30, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space
Replying to @paulrickards@mastodon.social
@paulrickards@mastodon.social @kalleboo@bitbang.social I think so, good idea
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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Mar 12, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space

Another #MARCHintosh project, a serial digital multimeter logger program , in this case a UT61E. Its very work in progress and tough work for the 68000 of the Macintosh Plus.

Your browser does not support the video tag.
oldbytes.space

OldBytes Space - Mastodon

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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Mar 03, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space
Replying to @WiteWulf@cyberplace.social
@WiteWulf it's fixed, I have a version that gets data from a serial connected esp32 , but seems out of scope for the joke 😉
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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Mar 03, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space
Replying to @WiteWulf@cyberplace.social
@WiteWulf if you press I it inverts, h for happy mac and g for grey background
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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Mar 03, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space
Replying to @WiteWulf@cyberplace.social
@WiteWulf Awesome 👌
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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Mar 03, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space
Replying to @WiteWulf__dup_1789@cyberplace.social
@WiteWulf I wonder what it will look like with this BigMaclock I made for #MARCHintosh you can find a floppy disk image here https://github.com/retrotheory/BigMaclock
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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Mar 02, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space

Amber CRT always looks good. #MARCHintosh Running my BigMaclock application, available here https://github.com/retrotheory/BigMaclock

oldbytes.space

OldBytes Space - Mastodon

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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Mar 01, 2026
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space

Instead of turning a clock into a vintage Mac, I turned a vintage Mac into a clock!, I though it would be fun given its #MARCHintosh The program can be downloaded here: https://github.com/retrotheory/BigMaclock

It supports US/EU month day order AM/PM, Invert display, 'grey' background and alarm function, it also has dynamic sizing so it will look correct on bigger screens

oldbytes.space

OldBytes Space - Mastodon

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Open post
retrotheory
RetroTheory :verified: @retrotheory@oldbytes.space · Oct 29, 2024
RetroTheory :verified:
@retrotheory@oldbytes.space

Playing with old computers, breaking them, maybe fixing them. Location: Ireland

oldbytes.space

In internet space no one can hear you eep

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