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Functional 16-bit CPU built and runs in Excel, 3Hz processor includes 128KB of RAM, 16-color display, and a custom assembly language (www.tomshardware.com)

submitted 11 months ago by [email protected] to c/[email protected]

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[–] mindbleach 4 points 11 months ago

Doom8088 can run in 64 KB. The commercial GBA port managed with 256 KB (ish) and some megabytes of ROM. That inspired a modern full-featured source port from prBoom, unhelpfully named GBADoom. And this delightful maniac finally got it to compile under gcc-ia16. He's been whacking at it for months, and it's getting to be genuinely good on a 286.

The real reason this can't run Doom is that it gets three operations per second.