The BBC Tetris Companion

Hackaday reports on a novel reverse-engineering project: a hobbyist got hold of the BBC Bridge Companion, an obscure nineteen eighty-five educational console built to teach card game bridge, and reverse-engineered it to run Tetris instead. The machine housed a Z-eighty CPU, a TI video chip, and sixteen kilobytes of video RAM—capable hardware for its era. The work took several evenings to decode the cartridge header, repairs to the cartridge slot, and adaptation of the original PAL video output for composite-monitor testing. It's apparently the Bridge Companion's first appearance on Hackaday.

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