E. C. Masloch
E. C. Masloch
From the v4.0 directory, as I understand that to be the regular (v4.01) release. I am more interested in this one. Apologies if you want to get the ozzie one...
No, not yet.
Uploaded a few of the files to https://pushbx.org/ecm/test/20240426/ (includes some breakpoints and the BIO init doesn't write to int 1 and int 3 handlers).
Did chmod a+r, should work now.
The BPB field for hidden sectors is chiefly for boot sector loaders. And they need it to be relative to the disk unit, not an extended partition. MS-DOS may not...
> This is in contrast to MS-DOS and FreeDOS, where the hidden sectors are relative to the container (Disk or extended partition start). > > EDR uses the BPB_HIDDEN internally...
> > This is in contrast to MS-DOS and FreeDOS, where the hidden sectors are relative to the container (Disk or extended partition start). > > EDR uses the BPB_HIDDEN...
MS-DOS v6.22 certainly doesn't have a field at the position of FreeDOS's ddt_offset. Its UPBs are 64h bytes in size. After running int 2Fh function 0803h the pointer arithmetic shows...
The UPB listing in the Interrupt List says: ``` ---fixed media--- 47h WORD partition (FFFFh = primary, 0001h = extended) always 0001h for DOS 5+ 49h WORD absolute cylinder number...
I actually checked MS-DOS v7.00 first, which does not support FAT32 but does support LBA. If the primary partition type is 0Eh (FAT12/FAT16 LBA) or a partition is within an...