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Re: www.6502.org

Subject: Re: www.6502.org
From: david@uow.edu.au (David Wilson)
Date: 1999/11/24
Newsgroups: comp.sys.cbm, comp.sys.apple2, comp.sys.atari.8bit, comp.arch.embedded
Organization: University of Wollongong, Australia
References: <943140026.900207@iris.nyx.net> <383A9E19.359FB7CD@mail.uni-mainz.de> <IMA_3.40831$YI2.2011197@typ11.nn.bcandid.com> <cygrkiuj-1Dk17#0558@batcher.bog> <Pine.SUN.3.96.991123222202.7352A-100000@compass.OregonVOS.net>

Matthew Montchalin <mmontcha@OregonVOS.net> writes:
>Um, along a different line, just how pin compatible are the '6502' chips
>from Rockwell and Hitachi?  I mean, if we had to replace the 6502 chips in
>our  1541 disk drives?

The R6502 is a second source of MOS Technologies. The R65c02 is a superset
of the WDC/NCR/GTE 65c02 and should not cause a problem if you replace a
standard 65c02. Code written for the R65c02 extra instructions will not work
on a 65816/65802.
--
David Wilson  School of IT & CS, Uni of Wollongong, Australia

References:
- www.6502.org
  - From: mnaberez@nyx.nyx.net (Michael Naberezny)
- Re: www.6502.org
  - From: Andreas Magenheimer <magea000@mail.uni-mainz.de>
- Re: www.6502.org
  - From: Randy Shackelford <shack@onyx.southwind.net>
- Re: www.6502.org
  - From: zefram@daystrom.bog (Zefram Cochrane)
- Re: www.6502.org
  - From: Matthew Montchalin <mmontcha@OregonVOS.net>

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