I'm not sure what DOS16/m is -it sounds like a DPMI server? If so, then
it provides 32-bit addressing to dos programs.
Japeth (who created the hx extender) was working on a 64bit stub for DOS
that you might be interested in?
https://github.com/Baron-von-Riedesel/Dos64-stub
I don't know if he's on this list or not. I'm reasonably certain he's on
Bttr: http://www.bttr-software.de/forum/ and may be able to give you
some insight how to work with DOS and long mode and what may be causing
the errors you're running into.
Good luck!
On 11/11/2020 11:06 AM, Hollowone PL wrote:
Hello everybody,
I just joined this newsletter and I hope the community, I had a few
tries with FreeDOS but mostly in the VM and mostly for the use cases
that DOSBOX handles much better.
None of these are related to my current deployment, which was hacking
the UEFI boot manager that comes with Intel Mac on one of my old iMacs
and installing both Windows (7) partition and FreeDOS to boot
natively, no VM, just on the bare metal computer inside the aluminum box.
It works, I can boot into it. I can run lots of software and I rather
installed it to try something new than to emulate SB and play old games.
My research will be mostly development and to test how I can switch
from FreeDOS to long mode (64bit protected mode) but I cannot even use
dev tools provided in packages as they often return DOS16/m exceptions
and hang the computer out.
With this I have few starter question as a user:
- DOS16/m is a 16bit protected mode extender. Does it mean that
FreeDOS runs in 16bit protected mode from the command line or perhaps
some driver is interfering or rather the iMac I use has hardware that
may cause some obvious incompatibilities.
I'm happy to dedicate some time for further testing and even debugging
but I need some hints how to start. Will somebody here be available to
assist me a bit with starter points?
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