Reproduction micros

Paul Koning paulkoning at
Wed Jul 20 12:56:55 CDT 2016

> On Jul 20, 2016, at 1:53 PM, Swift Griggs <swiftgriggs at> 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.)


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