Re: Hardware emulation of 6509 using 6502?

From: Mia Magnusson <mia_at_plea.se>
Date: Sun, 25 Feb 2018 00:03:51 +0100
Message-ID: <20180225000351.000062cc@plea.se>
Den Sat, 24 Feb 2018 06:57:14 +0100 skrev didier derny
<didier@aida.org>:
> no for me a replacement with a 65816 would be like a sheep with 5 legs
> 
> I consider that a replacement must be as close as possible of the
> original
> 
> if I want a machine with new functionalities I buy the latest PC
> 
> (except if the 65816 is some functionalities that makes  the
> replacement extremely easy to used...)
> 
> if one day I makes one, I'll probably use a WDC 65C02 plcc

Afaik the 65C02 cannot execute the well known illegal op codes of the
older nmos 6502. So if you want 100% compatibility you might want the
older 6502 :)

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Received on 2018-02-25 01:00:04

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