I've got an unusual issue that I've been trying to solve for several
days but have had no luck.
Running FreeDOS in a QEMU-based VM, on a Xen hypervisor (it's actually
the Qubes OS)
I managed to get it all installed and it runs well except for one
problem: Screen refresh is too slow, even with simple graphical
interfaces like Tandy Deskmate.
After much research I am guessing that the VM is emulating some type of
hardware that FreeDOS is not optimized for. And the system I am running
the VM on does NOT allow me to change the hardware emulation easily.
The frustrating thing is that I faced this exact same problem when I
tried running Tandy Deskmate in a Linux VM under DOSBox. And then when I
was poking around, the problem cleared up and screen refreshes were
super fast! But for the life of me I have not been able to replicate
this success on FreeDOS.
I'd be open to any suggestions as I think I've tried every possible
setting. Thank you!
RL
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