Re: [Atari800-users] Re: monitor.[ch]

[Nathan H. <ma...@ma...>]

----- Original Message -----
From: "Janka Gerhard" <ger...@si...>
To: "Nathan Hartwell" <ma...@ma...>
Sent: Friday, December 07, 2001 4:16 AM
Subject: Re: [Atari800-users] Re: monitor.[ch]


> Nathan Hartwell wrote:
> >
> > ----- Original Message -----
> > From: "Janka Gerhard" <ger...@si...>
> > > How about AHI ( Atari Harddisk Image ) ;-) and at least a different
> > > 'magic number' in the first two header bytes too ?
> > >
> > > Gerhard
> >
> > AHI could work.  The header could simple use AHI as the first 3 bytes.
> > That'd still leave room for all the same information in the ATR header
with
> > a few bytes left over.
>
> Yes. I would like it that way. And since I made a mistake writing
> about a two byte magic number, because it actually is four bytes
> you could even put NAHI ( Nathans Atari Harddisk Image ) there ;-)
>
> Gerhard

How about A8HI for Atari 800 Harddisk Image?  I would say a fixed 512 byte
sector size, but no DOS supports it, so it might as well be a fixed 256 byte
sector size.  So, we have a 32-bit signature (A8HI), a 32-bit sector count
(but really only use the lower 16 bits), a 32-bit flags variable (read-only
flag and such), and then optional 32-bit CRC.  Would that cover everything?
We'd need utilities for creating/importing/exporting a new format, but we
need a SpartaDOS compatible import/export program anyway.