Re: [ql-users] Another stupid question.... re Floppies

[Roy Wood]

It is all explained in Keith Mitchell's hardware docs. Every other line 
in the ribbon is an earth. By twisting lines 10 through 13 you are 
swapping the drive 0 with the drive one signal with the earth line as a 
pivot. Quite what the PC one does is not clear.
-- 
Roy Wood
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