Re: Test suite for 6509 processor

From: smf <*smf_at_null.net*> Date: Mon, 26 Feb 2018 20:18:29 +0000 Message-ID: <65f54a3e-c24f-9558-7361-908680ed1952@null.net> · smf_at_null.net

On 26/02/2018 10:48, Michał Pleban wrote:

> I can't imagine any code using this kind of functionality (it would
> require the 8088 processor anyway) so we can safely omit it, and either
> do not write anything, or write the actual data being written to the
> register.

I would emulate the exact behaviour just so that people don't start 
writing code that runs on the 6509 replacement, but doesn't run on the 6509.

Looking at the crazy ways people have used undocumented features on the 
c64, I wouldn't put it past them having a greater imagination either.

       Message was sent through the cbm-hackers mailing list