Re: 3.5" interleave

[steve@dosius.zzn.com (Dosius)]

dempson@actrix.gen.nz (David Empson) wrote in message news:<1fj44au.jbs8u41iw6zguN%dempson@actrix.gen.nz>...
> The Apple II definitely switches heads before stepping to the next track
> - you can hear it in the way the disk is formatted, by counting the
> track steps.
> 
> 3.5" disks use physical sector interleaving rather the logical
> interleaving (renumbering) which was typically used on 5.25" disks.  In
> any case, there is no point emulating an interleaved disk unless you are
> using a low level (nibble) image format.

I am using PC "INT 13h" calls to emulate disk access.  I just want to
be sure that Dapple 0.8 1.44MB disks will work on real Apple computers
and vice versa :)