Rare Apples, eBay, Goodwill

Wed Mar 23 20:15:26 CST 2005

On Wed, 23 Mar 2005, Eric Smith wrote:

> In principle, with much more complex (and bigger) prenibblization and
> postnibblization code the Disk II could have used 80 nybble values to
> encode a 256-byte sector into 324 nybbles rather than 342, but that
> would not have been enough to get even a single additional sector per
> track.

It would have if it wasn't decided that 80 or so synchronization bytes
were absolutely necessary between each sector.  I still don't quite
understand what reasoning went into that particular aspect of the
design.

-- 

Sellam Ismail                                        Vintage Computer Festival
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