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Jon Jones

@jon-jones

General lurker on social media. Partial to science, technology, trains, London tube & vintage/retro computers. (Z80 is my cat nip) Not worth following. Honestly: Don't follow me! He/Him

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15.10.2023
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Latest posts by Jon Jones @jon-jones

I have a T48 programmer. Would that suffice or would I need something else?

06.03.2026 08:31 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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a cartoon character is holding a bunch of money and the words shut up and take are above him Alt: a cartoon character is holding a bunch of money and the words shut up and take are above him
06.03.2026 07:48 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

How much?

06.03.2026 03:17 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

$18 shipping on a $9.50 part 😳

02.03.2026 21:21 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

HR will be fine with it.

28.02.2026 08:04 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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fry from futurama is eating a bunch of money . Alt: fry from futurama pulls a wad of cash from his jacket pocket and says "Shut up and take my money"
14.02.2026 08:06 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Two lines of text on an Oled display. First line says "Hello Quazar" and the second says "ABCDEFGHIJKL" All the characters are the right way round!

Two lines of text on an Oled display. First line says "Hello Quazar" and the second says "ABCDEFGHIJKL" All the characters are the right way round!

25.01.2026 20:22 πŸ‘ 8 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
Three lines of text on an Oled display. First line "Hello Quazar" and "ABCDEFGHIJKL" are all at right angles. The third line is a single letter "A" the right way up.

Three lines of text on an Oled display. First line "Hello Quazar" and "ABCDEFGHIJKL" are all at right angles. The third line is a single letter "A" the right way up.

Finally!

25.01.2026 18:44 πŸ‘ 4 πŸ” 1 πŸ’¬ 2 πŸ“Œ 0
Three lines of text on a small Oled display on a RC2014 module. The first line (saying "Hello Quazar") and the second line (saying "ANBCDEFGHIJKL") are rotated 90 degrees. A final line with the sole character "A" is upside down.

Three lines of text on a small Oled display on a RC2014 module. The first line (saying "Hello Quazar") and the second line (saying "ANBCDEFGHIJKL") are rotated 90 degrees. A final line with the sole character "A" is upside down.

Good news: I've written some Z80 code to change from horizontal to vertical font data. (Impressed myself with my bit-wrangling) All good to go now, yes?

25.01.2026 18:21 πŸ‘ 1 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0
Quazar OLED module showing two lines of text. One says "Hello Quazar" and the other says "ABCDEFGHIJKL" But all the letters are rotated 90 degrees anti-clockwise.

Quazar OLED module showing two lines of text. One says "Hello Quazar" and the other says "ABCDEFGHIJKL" But all the letters are rotated 90 degrees anti-clockwise.

@samcoupe.com Apart from the minor detail of the font orientationπŸ˜‰

24.01.2026 22:24 πŸ‘ 10 πŸ” 1 πŸ’¬ 2 πŸ“Œ 0

Duration of play would depend on whether you're, say, a solo/lead instrument or just backing. Ballpark of an hour (maybe two) without a break.

09.01.2026 23:14 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Metal wind instruments are fairly fragile. The sax is also a reed instrument and the reeds and mouthpiece are especially fragile. A musician would typically keep half a dozen reeds in their case.

09.01.2026 23:12 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Not a sax player but I do play (for pleasure not pay!) other woodwind instruments, so I can give you some ballpark answers.

09.01.2026 23:12 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I don't know what they are talking about. I've never noticed anything out of the ordinary about your commentary. I think it's very clear and appropriate. The topics of your videos need a slightly slower, less chatting narrative to allow the viewer to take everything in.

28.12.2025 22:17 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

You have my deepest sympathies.

30.11.2025 10:51 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Or you fall in love with it instantly but they don't do it in your size😞

30.11.2025 10:41 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Quote: Everyone is welcome here. Hate is NOT. 

Words printed over a rainbow.

Quote: Everyone is welcome here. Hate is NOT. Words printed over a rainbow.

#StrongerTogether

23.12.2024 19:39 πŸ‘ 1868 πŸ” 461 πŸ’¬ 29 πŸ“Œ 12
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My Harlequin is finally working!

01.11.2025 19:02 πŸ‘ 6 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0
Z280 SBC with Rc2014's LCD module showing the system has booted in RomWBW.

Z280 SBC with Rc2014's LCD module showing the system has booted in RomWBW.

Text output of Z280 SBC booting into RomWBW

Text output of Z280 SBC booting into RomWBW

Another successful build! Plasmode's Z280 board! #rc2014 #z80 #z280

25.10.2025 18:41 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

For me, it was moving to a city and suddenly finding there were people like me and no-one cared about people's differences.

19.10.2025 13:45 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

"Freak", "Weirdo", "Anorak", "Special", etc.

19.10.2025 13:32 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Here's a view from the other side of the interview table:
2) Having all application forms in the same format *really* helps when trawling through many applicants.
3) Many companies don't actually submit their job adverts to Indeed, etc. Indeed (badly) scrape adverts from our own job site.

13.10.2025 16:41 πŸ‘ 2 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0
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Dino Boards on Tindie Reliving the 80s thru retro computing

Nearly forgot: If you're the other side of the equator I can recommend Dean's kits: www.tindie.com/stores/dinot...

08.10.2025 21:07 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Small Computer Central Homebrew 8-bit retro computing

Stephen over at www.scc.me.uk has loads of kits too!

08.10.2025 18:55 πŸ‘ 5 πŸ” 1 πŸ’¬ 2 πŸ“Œ 0

@tynemouthsoftware.co.uk

05.10.2025 15:48 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Assembler Tynemouth Minstrel 4th computer on blue silicone soldering matt.

Assembler Tynemouth Minstrel 4th computer on blue silicone soldering matt.

Photo of TV screen showing the power on screen of the Tynemouth Minstrel 4th. The on screen text text says: "ZX81 BASIC FOR MINSTREL 4TH V1.4"

Photo of TV screen showing the power on screen of the Tynemouth Minstrel 4th. The on screen text text says: "ZX81 BASIC FOR MINSTREL 4TH V1.4"

Do mighty trees grow

05.10.2025 15:47 πŸ‘ 9 πŸ” 3 πŸ’¬ 2 πŸ“Œ 1
Tynemouth Minstrel 4th PCB and all the discrete components laid out on a blue silicon soldering mat.

Tynemouth Minstrel 4th PCB and all the discrete components laid out on a blue silicon soldering mat.

From tiny acorns...

05.10.2025 15:45 πŸ‘ 9 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

They're just "overhead". No one reads them. Just ship it.
πŸ˜‰

22.09.2025 20:04 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
You are personally responsible for becoming more ethical than the society you grew up in. Says Skeletor looking rather fierce, with his staff aloft.

You are personally responsible for becoming more ethical than the society you grew up in. Says Skeletor looking rather fierce, with his staff aloft.

14.08.2025 15:55 πŸ‘ 195 πŸ” 59 πŸ’¬ 2 πŸ“Œ 0
Harlequin 128 board with all components & IC sockets soldered. IC sockets are all unpopulated.

Harlequin 128 board with all components & IC sockets soldered. IC sockets are all unpopulated.

And now all the sockets in place. I *think* That's all the soldering done.

01.08.2025 12:11 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0