[TUHS] machine code translation,as mental architecture models

[Lars Brinkhoff]

John Levine writes:
> It used to be harder because programs would store into the instruction
> stream but these days code is all read-only it's quite standard. I'm
> typing this on my M1 Macbook using an editor that thinks it's running
> on an x86.

Note that Apple silicon has special hardware - not in standard ARM
devices - to accomodate the x86 memory model.  I don't know the detals
of Rosetta 2, but I believe this hardware is an important component to
make it work.