Re: CFFA and MicroDrive partitions

[Andy McFadden <fadden@fadden.com>]

schmidtd <schmidtd@my-deja.com> wrote:
> On May 27, 5:06?pm, mojoehand <mojoeh...@gmail.com> wrote:
> > While using CiderPress to copy a volume made on a CFFA to a CF card
> > destined for a MicroDrive, I got an error. The CFFA volume was 65536
> > blocks and the MicroDrive volume is 65535 blocks. One block smaller,
> > so I couldn't copy the volume.
> >
> > Is there a reason for this? Which is the correct size?
> 
> The max volume size for ProDOS is 0xffff blocks, so 65535 is correct.

There's the ProDOS volume size (65535 blocks) and there's the CFFA
partition size (65536 blocks).  CiderPress tries really hard to avoid
losing anything, so it's probably insisting on keeping that last unused
block on the off chance that you managed to put something into it.

I don't remember if copying stuff around with the volume copier will
drop the last block (I think it always uses the partition size rather
than the stated volume size).

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