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Microsoft says “Prism” translation layer does for Arm PCs what Rosetta did for Macs (arstechnica.com)

submitted 5 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 5 months ago (1 children)

I'm also not surprised and I still find it amusing. The ISA translation is something I never actually thought about in emulation

[–] [email protected] 2 points 5 months ago

It is always quite amusing to see a billion dollar corporation beaten in its own game :)

More information/context, if you’re curious:

Rosetta 2 in particular isn’t full emulation because the API is the same for both architectures - it is only dynamic ISA translation. I expect that Prism will be slightly closer to full emulation; there is simply no way Microsoft will reimplement all of the legacy Windows APIs on ARM.

WINE is a great example of something that is also not a full emulator, but for the opposite reason: it does not perform any ISA translation or hardware emulation, but rather only syscall (API) translation.