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An interesting Disk ][ Interface Card Fault [01647378792]
tl;dr: I recently got into 8-bit Apple retrocomputing due to my work with Adafruit. I had a Disk II setup that couldn't write to any floppy. I fixed it by replacing a 74LS05 IC on the Disk II Interface Card.

An interesting finding about Apple DOS 3.3 diskettes [01649988850]

Generate the 64 GCR values used by Apple DOS 3.3 and ProDos [01650039807]

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