21 hours ago
- The author created a Tetris-like game called Bridgetris for the BBC Bridge Companion, a niche 1985 console.
- They reverse-engineered the console's BIOS to accept custom ROMs and learned Z80 assembly in the process.
- A broken Bridge Companion was purchased on eBay and repaired, including replacing the mangled cartridge slot.
- The manufacturer Heber was identified, and the author obtained documentation from a former engineer.
- A custom cartridge PCB was built to avoid destroying original cartridges during debugging.
- A composite video mod was developed to improve the console's output quality.
- Detailed follow-up articles are planned, covering repairs, mods, and game programming.