On Thu, 25 Jul 2002 16:54:30 +0100, Luke Trevorrow <[EMAIL PROTECTED]> wrote:
> I too have had good fun using the Atom HD emulation, but agree that the > system is limited to emulating the running environment (which admittedly is > what SIM Coupe is for). > > Why does BDOS work on a floppy by floppy basis? Is it some limitation with > the SAM Coupe that stops you from having one big disk like on a PC? > Yes, the disk directory structure is fixed to expect 80 tracks of 10 sectors or 510 bytes. There is a 195 byte (1560bit) area in each file header which holds a bit map of the sectors used by that file. To avoid the need to create a new more complex directory structure (like what HDOS did) BDOS just maps the hard disk as many floppies. hth Nev - who has almost finished scanning the tech manual.