DOS ain't dead - DOS specifications ("standards")

DOS specifications ("standards") (Developers)

posted by ecm , Düsseldorf, Germany, 25.12.2020, 21:27

> > 4. large file support (llseek, etc.)
>
> > Where it makes sense, existing specifications should be amended, but
> some
> > things may be better to redo from scratch.
>
> There's
> FAT+
> for FAT32 (and big-cluster FAT16) to store files up to 256 GiB - 1 B in
> size. (Up from the prior limit of either (commonly) 2 GiB - 1 B or (if
> using unsigned values) 4 GiB - 1 B). EDR-DOS is the only implementation of
> this yet.
>
> And here's
> a
> description of EDR-DOS's llseek function 7142h. This interface, and
> corresponding seek offset and size field extensions in the SFTs, allows
> using 64-bit seeks.

The dosemu2 MFS redirector supports large files now.

---
l

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Complete thread:

DOS specifications ("standards") - awik, 18.11.2020, 16:57 (Developers)
- DOS specifications ("standards") - awik, 18.11.2020, 18:48
- DOS specifications ("standards") - RayeR, 18.11.2020, 20:07
  - DOS specifications ("standards") - awik, 19.11.2020, 13:32
- DOS specifications ("standards") - glennmcc, 18.11.2020, 20:22
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- DOS specifications ("standards") - Laaca, 19.11.2020, 11:27
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- DOS specifications ("standards") - tkchia, 19.11.2020, 14:12
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