MITS 2SIO serial chip?

From: Allison <ajp166_at_bellatlantic.net>
Date: Thu Dec 20 11:52:37 2001

From: Ben Franchuk <bfranchuk_at_jetnet.ab.ca>
>One real problem with the Z80 is that a there is a lot of
>unused/undefined
>instructions because of the complex instruction set, that have been
>decoded
>and used in software. This has a impact if you are not using a real chip
>but a emulator of some sort.


Most are either redundant or no-ops, those at are useful most good z80
emulators have them as they are copied in competitors z80s.

Allison
Received on Thu Dec 20 2001 - 11:52:37 GMT