[Coco] bug in latest "backup" command?

[Gene Heskett]

On Wednesday 10 September 2008, Chuck Youse wrote:
>Has anyone ever run into problems using backup with a single drive under
>NitrOS-9?  I had an odd error earlier, which I didn't spend much time
>investigating -- I was copying a 40-track DS/DD floppy with "backup" on
>a single-drive system.
>
>In any case, on the last read of the source floppy, backup appeared to
>want to read beyond the end of the disk - I was getting "error #247"
>when it tried to read sectors $5A0, $5A1, etc... which of course aren't
>valid sector numbers on a 40-track, double-sided, 18 spt disk.
>
>The command I used was
>
>backup /d0 #48k
>
>Anyway, is this a known issue, or has no one ever seen it before?  If I
>can repeat it I will poke into the code and see if it's a bug.  Could be
>user error, but I don't see how I could have screwed this up.
>
>It wasn't a big deal, as I just copied the disk image and then used
>backup with the 'f' flag to write it back out (much easier on a
>hard-disk system, anyway).
>
>C.

IIRC, backup needs the -s option on the cli to enable the single drive change 
disks prompts.  As far as it going past $59F, that seems more like a 
descriptor problem and I'd check the settings with a dmode /d0 query.

Most of its values are in hex, and base 0 format.
>--
>Coco mailing list
>Coco at maltedmedia.com
>http://five.pairlist.net/mailman/listinfo/coco



-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
"The IETF motto is 'rouch consesus and running code'"
  
  -- Scott Bradner (Open Sources, 1999 O'Reilly and Associates)