RetroNerd

RetroNerd All things retro tech including computers, games, peripherals and DIY projects.

25/08/2025

Just picked up a bargain

After repairing my   PET 8096 I'm tackling this beast. A 8250 dual drive with a whopping 1Mb per disk capacity. Sadly it...
25/08/2025

After repairing my PET 8096 I'm tackling this beast. A 8250 dual drive with a whopping 1Mb per disk capacity. Sadly it is dead as a dead thing.

Vic 20 Keyboard works great on the newly repaired Pet8096. SD2Pet work also so will try to get the 8250 drives working. ...
21/08/2025

Vic 20 Keyboard works great on the newly repaired Pet8096. SD2Pet work also so will try to get the 8250 drives working. Defender anyone?

Never thought I would see this on a Commodore PET but its really playable.

Finally after a few replacement ram and video chips the   PET 8096-sk is working. Just need to make a new custom Edit ro...
20/08/2025

Finally after a few replacement ram and video chips the PET 8096-sk is working. Just need to make a new custom Edit rom to use the C64 keyboard. Today is a good day.

Commodore Pet 8096-SK Dead Repair.

Made an autofire for the   DIY Joystick. Removes the loud button smashing but almost feels like cheating on Minestorm :)
24/07/2025

Made an autofire for the DIY Joystick. Removes the loud button smashing but almost feels like cheating on Minestorm :)

Knocked an autofire circuit for the Vectrex joystick. Details available on retronerd.co.uk

21/07/2025

case restored and cartridge updated with a new menu. Thanks to Brett from vectrex fans unite for help with the update

Made a   cart today for the  . Allows connection to a pc via usb for transfer of carts or even homebrew development. Als...
18/07/2025

Made a cart today for the . Allows connection to a pc via usb for transfer of carts or even homebrew development. Also has some very twinkly led's

Calibrated the   screen by adjusting the magnetic coils on the tube neck. The screen is on its side and the camera didn'...
17/07/2025

Calibrated the screen by adjusting the magnetic coils on the tube neck. The screen is on its side and the camera didn't quite catch a fully drawn screen but the grid looks pretty square and full size..

15/07/2025

Not sure whether to buzz fix the Vectrex or keep it as is. It's part of its charm so think I'll stick with it for now

15/07/2025

Scramble anyone?

15/07/2025

Joystick complete. The Sky router box worked out quite well.

Vectrex Very Dead Repair post finally has a good ending and the write up is available here.
14/07/2025

Vectrex Very Dead Repair post finally has a good ending and the write up is available here.

Retronerd Retro computers. Parts, Repairs and projects for Commoore, Atari, Amstrad, Dragon, Sharp, Oric, Spectrum, Texas Instruments, Acorn

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