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
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
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
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 existing