Date   : Sat, 02 Sep 2006 10:03:23 +0100
From   : Mike Tomlinson <mike@...>
Subject: Re: *INFO

In article <3B2E642150A34C0DB690644B5CD8094C.MAI@...>, Ian
Wolstenholme <BBCMailingList@...> writes

>But how does Watford DFS store the catalogue with 62 entries, presumably
>it needs twice as much space for it as an Acorn DFS disc?

Watford disks have two catalogues if formatted with 62 files - otherwise
they look just like Acorn discs. The second catalogue is in the two
sectors immediately following the first catalogue.

The disk title in the second catalogue has 8 x &AA bytes - this is how
you identify that the disk has two catalogues.

More at http://www.mdfs.net/Docs/Comp/Disk/Format/DFS

M.

-- 
(\__/)
(='.'=) This is Bunny. Copy and paste Bunny into your
(")_(") signature to help him gain world domination.
               http://www.thisisbunny.com/