The hard work was done by Toni Baker. It is one of many fascinating and impressive programs that she developed for the #ZX81 and #ZXSpectrum.
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Minstrel 3 showing sunrise/sunset times at Edinburgh castle over coming week.
Screen of a Minstrel 3 showing sunrise/sunset times at Edinburgh castle over coming week
Lighter evenings are here with the return of #BritishSummerTime. Check out sunrise/ sunset near you with this handy type-in for #ZX81/ #Minstrel3 - github.com/markgbeckett... #edinburghcastle
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Minstrel 2 computer, with copy of Toni Baker's book on machine code and a cassette player.
Minstrel 2 computer, about to load program, with copy of Toni Baker's book on machine code and a cassette player.
Sound from an unmodified #ZX81/ #ZX80? Surely not. However, Toni Baker showed how to get quite impressive sound from the tiny micros, provided you were happy with a flickering screen. Also works on #Minstrel2 / #Minstrel3, though you need to access signal on mic socket. github.com/markgbeckett...
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#ZX81 Tile Draw Test 6: ZX81 Super Magic Sprites.
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#ZX81 Tile Draw Test 5: ZX81 Magic Sprites?
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#ZX81 Tile Draw Test 4: Slide and scroll. Slidy scrolly slidy.
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#ZX81 Tile Draw Test 3: Sliding strobe warning. You have been warned - sllllliiidee.
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#ZX81 Tile Draw Test 2: Less Strobe Warning. You have been warned More or Less.
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#ZX81 Tile Draw Test: Strobe Warning. You have been warned.
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Screenshot from a Sinclair ZX81 emulator, showing a low resolution plot of Snoopy in full aviator gear yelling "Curse you, Red Baron". The plot is based on the line printer program for the DEC PDP-8 minicomputer
appropriate use of technology
(and TIL that ZX81s can't print exclamation marks)
#ZX81 #Snoopy
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Is it Maze-Ogs or Maz-Ogs? Is it Maze-I-ackS or Maz-icks?
I only ask because I'm unsure of what I should be screaming. Now they're running at me in 3D!?
From the minds of the late great Don Priestley and @stevecsmith.bsky.social
www.youtube.com/watch?v=1sAF...
#ZXSpectrum #ZX81 #Retrogaming
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Did you know that the first Dinamic game ever was coded on a 1K #zx81? It was GT Cars.
Video in the original X post:
https://x.com/i/status/2029608589292122118
#zxspectrum #retrogaming
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I don't know why I felt it was import for me to implement RLE graphics decoding in BASIC on a ZX81 today, but here it is:
#RetroComputing #zx81 #basic
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Given the ZX81 anniversary, I'll re-up my least popular blog post from last year, Sinclair 4K BASIC for the ZX80: https://troypress.com/sinclair-4k-basic-for-the-zx80/ #ZX81 #ZX80 #retrocomputing #BASIC
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Congrats to the #ZX81 on its 45th birthday! My coding life started on that little machine at a friend's house. We watched WarGames and made a password screen. It was magic. 😍
Never used it again after that, as the Spectrum came into my life. Still have fond memories of that day.
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I didnt own a ZX81 but for many people it was an amazing first time to own an affordable home computer you could play games on and write programs. #ZX81 #45YearsOldToday
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Happy 45th Birthday to the ZX81! The system I went through its library just a few systems ago (before Epoch Cassette Vision and TI-99/4A, along with DOS games, Windows 3.1 games, Macintosh games, and arcade games in-between).
#ZX81 #ZX81Birthday #ZX81Anniversary
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Another late #Hackster round-up today, and I'm still waiting for two pieces to go live - but let's see what's already up for now.
First, it's a very special day today: the Sinclair #ZX81's 45th birthday. I've written a little potted history here, digging into the reference books in the office […]
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Sinclair ZX81 (5 March 1981)
Oh! The ZX81 is celebrating its 45th anniversary today 🎂
It was the first computer my father ever bought. I was fascinated to watch him type on the keyboard and see things appear on the TV screen 🤩
Like a clock with moving hands! 🕓
#ZX81 #SinclairZX81 #RetroComputing #RetroComputer
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I'm not saying I feel old but ... yeah ... I feel old ...
45 years ago.
Although to be fair I got mine about 9 months after it came out when I bought it second-hand off someone who didn't know what they'd bought 😀
#sinclair #zx81
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Sinclair ZX81 computer
5 March 1981: Sinclair Research launched the #ZX81 home computer. #History #Computing
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Today marks the 45th anniversary of the ZX81, one of the most successful home computers of the early 1980's in the UK!
#KevinToms #FootballManager #ZX81 #Sinclair #RetroComputers #HomeComputers #Microcomputers #80sComputers #PersonalComputer #RetroPC #UKComputers #UKRetro
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💻 #OTD in #Tech #History 5 March 1981, the trailblazing #Sinclair Research developed, and #Timex manufactured #ZX81 was launched in 🇬🇧. Small, simple, and affordable, the ZX81 sold more than 1.5 million units, making computing more accessible to the general public.
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If you wondered how a #ZX81 could use a 64K RAM pack, this advert lays it out pretty clearly. “With difficulty”.
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The 'Marathon 32K' (a #ZX81 clone) was my first ever computer. I never really liked it that much, but maybe I should get one again, just for old times sake, and to complete my back catalog.
It had "Animation Graphics", which apparently meant the 4 special characters.
#RetroComputing #RetroGaming
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