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New version DRDOS 7.01.7 & 7.01.8 (Announce)

posted by boeckmann, Aachen, Germany, 01.01.2024, 13:57

> Note that I accidentally edited your post rather than replying to
> it. Here's my reply as its own post as it should have been posted.
>
> > Thanks, used the inc bp you proposed, and left in the jump.
>
> You can actually get rid of the inc if you just adjust all the references
> with BP in this function.
Thanks for the hint.

I now have DRBIO.SYS, DRDOS.SYS and COMMAND.COM linked with WLINK, and each has its own makefile.

For COMMAND.COM I had to change the reloading code and the loading of the appended help file, because the code assumed a fixed 512 byte EXE header. Its now variable in that the size of the header is determined by offset 8 of the EXE header itself. I changed COMMAND.COM to behave normally if it is fed with a .BAT file containing LF endings. I by accident created such a file and COMMAND.COM freaked out over it.

Regarding DRBIO.SYS, it should now create default FAT-32 BPBs conformant to MS-DOS / FreeDOS. But the code calculating the FAT size still produces non-optimal results, in that the size of the FATs themself is not respected when calculating it, wasting a few sectors. Unformatted partitions can now be formatted under DR-DOS with an unaltered FreeDOS format.

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