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ARM version of MSDOS (Announce)

posted by kerravon, Ligao, Free World North, 15.01.2024, 13:01

Direction for PDOS-generic went in an unexpected direction.

The pseudo-bios morphed into a shell plus loader, so a
separate command processor is not required. But you can
launch one if you want.

And I ordered a Pinebook Pro so that I could have an
actual laptop.

I sorted out some issues and have now released UCARM
at http://pdos.org

This is a "University Challenge" distribution, but unlike
the others, includes copyrighted tools (gcc and binutils),
as I don't have public domain versions of them.

I'm not aware of any other (ie non-x86) commercially available
laptop other than the Pinebook Pro.

If you have a Raspberry Pi you can use that instead, but
that's not a laptop.

So - you have the makings of an MSDOS prompt and you can
write C programs using the included SubC.

gccarm is also included, which is a better compiler, but
it uses floating point so this 32-bit software doesn't
work on real 64-bit hardware (not mine anyway - not sure
if it is possible to get a 32-bit floating point
accelerator emulator). Works fine on qemu-arm though.

microemacs is included too.

I should be able to include other C90 software as well,
like bwbasic, if someone is interested in something
specific. Mainly I just haven't started compiling
everything (hexdump etc) as I am pausing to see what
direction to take.

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