Date : Mon, 04 Oct 2004 09:26:26 +0100 (BST)
From : Chris Johns <chris.johns@...>
Subject: Re: Load and execution
On Sun, 3 Oct 2004, Andrew W wrote:
> Did DFS require load and execution addresses for files on disc? How
> were they stored, via a disc map?
Yes - they were stored with each file - its stored as something like 18
bits (I think) for each address. The extra bits being to allow the file to
have an address for the tube (&FFFFxxxx). The DFS catalogue itself if
pretty basic, stored in sectors 0 and 1.
Cheers
Chris