[CCTECH] Interesting tidbit on 6502

From: Fred Cisin <cisin_at_xenosoft.com>
Date: Sat Jun 8 05:48:23 2002

On Fri, 7 Jun 2002, Richard Erlacher wrote:
> see below, plz.
> Dick
> ----- Original Message -----
> > > Problem with the 6502 is that different versions
> > > from different manufacturers had different
> > > undocumented instructions. So for the general
> > > public this was not much of a boon ....
> Has anybody got examples, not including the CMOS versions, of course, which
> are documented to be different, of differences in the NMOS 6502's? In the
> years that I used 'em, I only had hands-on contact with MOS Technology,
> Synertek, and Rockwell parts.

Where the UNDOCUMENTED aspects are DOCUMENTED to be different ?
Received on Sat Jun 08 2002 - 05:48:23 BST