But what about the boot sectors between DOS 3.2 and DOS 3.3?
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J.Wood
by <rt.. » Fri, 22 Dec 2000 12:43:35
--
J.Wood
by David Emps » Fri, 22 Dec 2000 17:39:05
Are you asking whether DOS 3.2 and 3.3 have the same code in their boot
sectors?
I don't know the answer to this - I didn't start using the Apple II
until 3.3 was current, and Beneath Apple DOS doesn't cover versions
prior to 3.3 in much detail.
The physical sector format is obviously different (5-and-3 instead of
6-and-2 split for the data bytes), and the organisation of DOS on the
disk would be slightly different (needing all of tracks 0 to 2, rather
than all of tracks 0 and 1 and part of track 2).
I expect the actual code in the boot sector code is very similar, with
only minor changes to allow for differences in the organization of the
original Disk ][ controller firmware (possibly a different entry point
for the sector read routine). Otherwise I'd expect it to do exactly the
same operation as 3.3: read RWTS from sectors 1 through 9 and jump to
the next stage boot loader.
Is there a way to convert a 16 sector disk to 13 sectors? I read there
was a programm called NIFFUM published in Nibble, that could do it.
Does anybody have an idea.
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