Progress on NEC APC

From: Don Maslin <donm_at_cts.com>
Date: Fri Apr 21 15:40:07 2000

On Fri, 21 Apr 2000, Tony Duell wrote:

> > I stuck the disks I'm trying to recover data from in the B: drive and did a
> > DIR but they all come back with "NO FILE". Now of course this means
> > that the disks contain no files but I'm thinking there has to be something
> > wrong here.
>
> This message is also telling you a couple of good (?) things. Firstly
> that the drive/controller is managing to read valid sectors off the disk
> (so the drive is working, the heads are clean enough to read something,
> etc). Otherwise you'd be getting the well-known BDOS errors.
>
> And secondly the directory makes some sense as a CP/M directory. At least
> the system thinks it does, and it thinks its empty. So it's likely (not
> certain ) that the disks are CP/M86 ones.
>
> One quick question. Have you tried using the USER command to look at
> other users files on the disk? The user facilty of CP/M is pretty
> useless, actually and mainly serves to cause problems like this. At
> boot-up you're likely to be user 0, but you can change this to a number
> between 0 and 15 IIRC.
>
> I think one option to the STAT command (STAT USERS, STAT [USERS] ???)
> will tell you at least which user numbers have files on the disk
 
Good thought, Tony. The command is STAT USR: and it will return two
lines of information. The first reflects the current user area, while
the second reflects user areas that contain files.

                                                 - don

> -tony
>
>
Received on Fri Apr 21 2000 - 15:40:07 BST