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32-bit MSDOS (Announce)

posted by kerravon E-mail, Ligao, Free World North, 04.07.2021, 10:13

> > By targeting msvcrt.dll, or in fact, just any C
> > library, my code should work on native Linux/BSD
> > too.
> > Rather than tying myself down to the Win32 API.
>
> I am not sure why you believe it is so important that to make your PDOS
> kernel run "on top of" other OSes, with zero emulation or virtualization
> whatsoever. This has never been a requirement for any other OS that I know
> of.
I'm not sure why you made the above comment in
relation to the above quote. The above quote
was for Pascal-derived executables, not PDOS.

But regardless, yes, I do have a requirement
for PDOS/386 to be decoupled from the BIOS,
and turn into PDOS-generic.

> If I want to run some OS "inside" some other OS,
> I can just fire up QEMU or
> Bochs or VirtualBox and call it a day.
Bochs/Qemu doesn't run at native speed.

VirtualBox requires privilege I think.

I wish to run PDOS in environments such as
AmigaOS where I have no access to address 4
(it was going through the motions of an
Amiga port where PDOS-generic was conceived,
thanks to the assistance of an Amiga forum,
about 6-12 months ago).

I wish to run PDOS-generic (with FAT disks)
under both PDOS/3X0 (which only supports CKD
disks), as well as under z/OS (where I won't
be authorized, so can't do SVCs (equivalent
of INT)).

BFN. Paul.

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