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Re: Write Signal on Disk II Question



Mike,

> The book "understanding the apple II" has an excellent description of the 
> Disk II interface.  It has been converted to PDF and can be found at a 
> couple of locations online.

    I already have a copy of original Understanding the Apple II book like I 
discussed earlier in the newsgroups.  The reason is that I post to ask for 
an explanation of field reversals.  I am not totally understanding what it 
means.  I ask you please explain in other way.  Thanks...