Re: Discussion: The need of a 65xx HAL

From: Michal Pleban <*lists_at_michau.name*> Date: Wed, 7 Sep 2022 22:32:18 +0200 Message-ID: <b96aa6e7-bf5f-4259-29c5-89cfcc805c76_at_michau.name> · lists_at_michau.name

tokafondo_at_tokafondo.name wrote on 05.09.2022 00:55:

> It wouldn't be a 6502 anymore but it could behave as it if wanted. I go back to the x86 comparison. The i80486 can run i8086 code.

If you want this new CPU to have more opcodes, you need to repurpose 
some illegal 6502 opcodes for the new operations. So it will not behave 
exactly like a 6502 anymore.

Regards,
Michau.