> On Jul 20, 2016, at 1:53 PM, Swift Griggs <swiftgri...@gmail.com> wrote: > > On Wed, 20 Jul 2016, Paul Koning wrote: >> The closest to microcode I'd ever heard of before is the "epicode" in >> Alpha. Or was that Prism? > > PALcode? That's sort of an amalgamation of microcode and emulation, IIRC. > I don't know what 'epicode' is, though.
PALcode sounds right. I think "epicode" was the same thing, but in PRISM -- which was the second RISC chip architecture DEC built, and canceled before shipping it. (Titan was the first; Alpha the third.) paul