23 Mar
2005
23 Mar
'05
6:15 p.m.
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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