Re: Linux Kernel Microcode Question
From: Timothy Miller
Date: Mon Mar 22 2004 - 11:37:29 EST
Richard B. Johnson wrote:
ALL instructions are performed by the microcode.
The Z80 had no microcode. It was completely hard-wired.
As I understand it, it's pretty much an ancient idea to do "everything"
by microcode. Only certain very complex instructions are done by microcode.
On the other hand, as I said before, it's not unreasonable for lookup
tables to be involved in instruction decoding.
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