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  • 6502 Assembler
  • 68k Industrial computer archology
  • About RetroGinger
  • Acorn BBC Micro – Terminal (+ Pretend linux)
  • Apple II Disk Drive Repair
  • Apple II Unidisk illness
  • Arduino
  • Audio Visual Stuff
  • B/W Portal TV to Monitor conversion
  • BBC Basic – Tips 1
  • BBC Basic Optimise 1
  • BBC Basic Optimise 2
  • BBC Basic Optimise 3
  • BBC Dungeon Raider play testers
  • BBC Micro – Repair-o-thon Part 1
  • Bench power socket
  • Blog
  • Blog
  • Build number tracking in DOS
  • CGA In the modern world
  • Classic Macintosh
  • Commodore PC1 – Junk pile?
  • Commodore PC10-III
  • Commodore PC10-III – Part 2 – XT Keyboard
  • Commodore PC10-III – Part 3 – Fan and case
  • Commodore PC10-III – Part 4 – Battery
  • Commodore PC10-III – Part 5 – Flash! Ah ah!
  • Data switch box up-cycling
  • Dell Optiplex GX1 – Back to life?
  • Dell Tower T5400 of ultimate power!
  • Developing C for 16-Bit DOS on Windows 11 (or other modern OSs)
  • Dungeon Raider
  • Dungeon Raider – Dev Blog
  • eBay HP Computer Circuit Board scavenge
  • Game Gear repair
  • Home
  • Home
  • HP 4952A Protocol Analyzer – Repair
  • HP 4952A Protocol Analyzer – Trash to Treasure?
  • Kef Cadenza – 70s classic!
  • Life
  • Mac Classic – Fixed display!
  • Mac Plus Keyboard repair – Pt2
  • Mac PowerBook – Universal power supply
  • Macintosh Plus – Rescue – Part 1
  • Macintosh Plus – Rescue – Part 2
  • Macintosh Plus – Upgrade
  • Macintosh Plus – Rescue – Part 3
  • Marantz CD4000 dim display repair
  • Membrane keyboards
  • Motorhome – Leisure Battery
  • MS-DOS and TCP/IP
  • MS-DOS and TCPIP Easy file transfer
  • NEC 8201A – CMOS Battery
  • Oddball – Floppy drives
  • Oddball tech – A tiny computer with big burn-in
  • Oric games – Tape load times and ranking
  • Oric Tape – Game recovery
  • PC to Dos to Mac software transfer
  • Retro Gaming – Dungeon Raider (BBC Micro)
  • Score Master
  • Sinclair ZX81 Video mod
  • Software and Utilities
  • SRAM 4164 Testing
  • TCP Socket Client/Server Program
  • TEAC Tape deck rescue
  • test title
  • Texas Instruments Silent 700 Serial Terminal
  • VIC-20 Fix and clean-up notes
  • Vintage Computers
  • Virtual Tape Recorder
  • VMX-2000 AV mixer – with magic smoke!
  • Windows – Utility scripts
  • Wyse Terminal – An amber raspberry
  • Z80 Single Board Computer – From Junk?

Author: admin

Item #450 from MicroComputer Accessories Inc

Jul 15, 2026adminOddball Tech

What is mystery item #450 from MicroComputer Accessories Inc? Nice packaging but no documentation or frankly any clue as to what it is! Opening was tricky as it was glued tight. To reverse engineer the circuit diagram: When applying a DC voltage of 12v to the DC source, just the positive, you can touch the…

Read More

Developing C for 16-Bit DOS on Windows 11 (or other modern OSs)

Sep 16, 2025adminProgramming, Vintage Computers

Using DOSBOX and Turbo C plus a bit of Python to allow the easy creation or C programs for old DOS machines.

Build number tracking in DOS

Oct 15, 2024adminProgramming

Automatically incrementing build numbers in DOS

VIC-20 Fix and clean-up notes

Mar 28, 2024adminVintage Computers

Fixing and cleaning a VIC-20 that needs some love to bring it back to action!

NEC 8201A – CMOS Battery

Feb 8, 2024adminVintage Computers

Add a nicer battery to a NEC 8201A portable computer and sort the bad design decision made when it was new!

Oddball tech – A tiny computer with big burn-in

Jan 16, 2024adminVintage Computers

A little computer with deep burn-in and hidden surprises!

Virtual Tape Recorder for retro computers

Jan 12, 2024adminSound and Video, Vintage Computers

A virtual tape recorder with remote function on a PC? Sounds good!

Oric games – Tape load times and ranking

Jan 7, 2024adminGaming

A ranking of Oric tape games, loading times and difficulty rating (From someone terrible at video games!) Links into the Youtube channel with game play videos.

SRAM 4164 Testing

Dec 28, 2023adminTest equipment, Vintage Computers

Got a bunch of 4164 chips and an Arduino Nano? Why not get them together for some testing!

BBC Basic – Tips 1

Dec 24, 2023adminProgramming

Some more BBC Basic tips to handle SLEEP and Keyboard buffer

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