On Mon, 13 Nov 2023, Rugxulo via Freedos-devel wrote:
Ryzen (Zen 1) was brand new in 2017, redesigned from scratch. I doubt
the current Zen 4 (2022) has that bug, but who knows. (Now that the
BIOS and CSM are dead, they may not care to fix it. And the whole
"x86-S" rumors imply legacy is going away.)
Though I think that's mainly an Intel thing (x86S, I mean).
That said, I think there may be a point where if one's going to run DOS on
a modern machine, it'll have to be through some degree of emulation.
Whether that be a KVM/QEMU-on-metal approach, or a 64-bit "DOS" which can
emulate a Pentium MMX or so, VESA SVGA, SB16, etc. for legacy apps...
(Actually, I'd be interested in something of this ilk if I knew more,
having run a stripped-down Apple //e emulator on bare-metal from UEFI and
then giving up because I couldn't read the damned Alt keys...)
-uso.
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