Using a Commodore 1541 floppy drive as a KIM-1 computer

The Commodore 1541 disk drive contains a MOS 6502 CPU, along with some RAM, ROM, and other necessary supporting hardware. You might remember that’s the very same CPU that powers the Commodore 64 itself, along with a wide range of other 1980s machines.

With a bit of work, that CPU can indeed be made to act like a general purpose computer instead of a single-purpose disk controller. And Dave McMurtrie has done just that, porting the KIM-1 Monitor modified to run on a Commodore 1541 Disk Drive.

See the video below and read more on Hackaday. The code is on GitHub.

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