> As people might call this to find out whether a
> drive exists, FreeDOS should return the sectors/
> cluster as 255 as expected for invalid drives...
People might do, but it isn't reliable: redirected drives might return
al=FFh as well.
> The bugfix would make sure AL=255 is returned
> for in
Hi Laaca, thanks for checking!
> ... FreeDOS, MSDOS 7.1, Windows98 and WindowsXP ...
> existing 3,5 floppy disks all give the same (correct) results only
> MSDOS gives wrong Total number of Sectors and Sectors per Cluster
As this is MS Win9x DOS 7, the wrong number is expected...
> 2) For exist
> 1) For existing 3,5 floppy disks all give the same (correct) results only
> MSDOS gives wrong Total number of Sectors and Sectors per Cluster
This bug of MS-DOS 7.10 is also documented in RBIL 61.
BTW, I think the other registers should not be changed when al is set to
FFh regardless of what
Well, I did some testing in FreeDOS, MSDOS 7.1, Windows98 and WindowsXP
This function works in all these environment different. F
1) For existing 3,5 floppy disks all give the same (correct) results only
MSDOS gives wrong Total number of Sectors and Sectors per Cluster
2) For existing hard disks a
Hi, I noticed that int 21 with ah=1c might return wrong
values for "invalid drive", can somebody check this? For
example: Is this a bug? When did we introduce it? What
do other DOSes do here...?
For invalid drives, I get: ds:bx=0:0 al=0 cx=400 dx=unchanged
I expect: al=ff, other values are not e
