[sebhc] Hard-sectored disks

[Lee Hart]

From: Glenn Roberts
>the Apple II used 16 hole hard sectored disks.  I presume it would at least 
>be a major undertaking to get these to work on Heath hard sectored setups. 
>At a minimum it would seem to require a rewrite of the H17 ROM.

It did? I always thought Apple II disks were soft sector, though the recorded data format was unusual (not FM or MFM, but rather pulse width encoding).

Northstar computers used 16-hole hard sectored disks. 

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