Re: 65c02 in an Apple II+? Different 65c02s

[steve@dosius.zzn.com (Dosius)]

dempson@actrix.gen.nz (David Empson) wrote in message news:<1g0v3of.1t48yflaetc96N%dempson@actrix.gen.nz>...
> Dosius <steve@dosius.zzn.com> wrote:
> 
> > dempson@actrix.gen.nz (David Empson) wrote:
> > > The Rockwell R65C02 instruction set is a superset of that used by the
> > > WDC 65C02 (and clones thereof).  It should be perfectly capable of being
> > > used in an Apple II and will run all software which expects a "standard"
> > > 65C02.
> > > 
> > > The Rockwell variant adds 64 extra opcodes (all hex values x3, x7, xB
> > > and xF) which deal with manipulating or testing individual bits in zero
> > > page locations.
> > 
> > Hm, is the R65C02 compatible with the G65SC02?
> 
> I don't know who makes hte G65SC02, but as far as I am aware, there are
> only two fundamental variants of the 65C02:
> 
> - The original one from Western Design Center (and clones thereof, such
> as the GTE).
> 
> - The Rockwell R65C02.
> 
> The latter's instruction set is a superset of the former.
> 
> Any other brands should be a second source of either of the above, and
> are most likely to be identical in functionality to the WDC 65C02.

*cracks open the case of his Platinum //e*

   GTEu
G65SC02P-2
CP300008P
   8643

The SC02 had bit-banging ops (BBS1, etc), which the C02 didn't, AFAICT
(http://www.6502.org and elsewhere).

-uso.