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Tag Archives: HD20

Emulating the Apple HD20

Steve at Big Mess o’ Wires  writes: So how does it work? First off, we can assume that raw data bytes are sent and received in serial fashion using NRZI encoding on the ReadData and WriteData lines of the floppy connector. While the DCD documents don’t specifically mention this anywhere, it’s a safe assumption because […]

Posted byDPFebruary 10, 2014February 10, 2014Posted inhow-toTags: Apple, floppy emu, HD201 Comment on Emulating the Apple HD20
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