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> Creating the world's first dual instruction set CPU. World's first? What about the VIA C3 (or earlier NEC V20)? I'm sure there are more / earlier ones. ht

> Creating the world's first dual instruction set CPU. World's first? What about the VIA C3 (or earlier NEC V20)? I'm sure there are more / earlier ones. https://en.wikipedia.org/wiki/Alternate_Instruction_Set https://en.wikipedia.org/wiki/Alternate_Instruction_Set

INTPenis 1mo ago
That's not the same thing, it's more like a hidden feature than the ISA of an entirely different CPU.
Angostura 1mo ago
There was also the semi-mythical PowerPC 615 that was meant to have both PowerPC and x86 instruction sets. W