stepping machanism of Apple Disk ][ drive (was Re: Heatkit 51/4 floppies)

From: Allison J Parent <allisonp_at_world.std.com>
Date: Sun Apr 11 21:51:52 1999

<Think about it! It's really simple and you could easily build it as part o
<a gate array. Try that with a Z-80 and see what you get.

Did it with 2901s, contemporary to the mid 70s also. If course the 3201
intel two bit slice was in some ways more interesting.

Allison
Received on Sun Apr 11 1999 - 21:51:52 BST

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