Re: 6502 illegal opcodes

From: Steve Gray <*sjgray_at_rogers.com*> Date: Fri, 4 Nov 2011 14:12:10 -0400 Message-Id: <907237B1-E8F9-4051-8C33-8A2450361E8C@rogers.com> · sjgray_at_rogers.com

Note: Some opcodes in the 6509 are modified to support memory banking.

Steve

On Nov 4, 2011, at 12:47 PM, Michał Pleban <lists@michau.name> wrote:

> Hello!
> 
> W dniu 2011-11-04 17:01, didier derny pisze:
> 
>> are they reliable from a 6502 to another  ?  (for example   mos vs
>> rockwell vs synertek)
>> or between 6502, 6509, 6510 ?
> 
> Yes, they are all present in 6502/6509/6510/7501/8501/8502. They are not
> present in CMOS 65C02, but it did not make into any production Commodore
> machine. Don't know about Rockwell & Synertek :-(
> 
> Regards,
> Michau.
> 
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