Re: 65802 vs. 65C02?

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

dempson@actrix.gen.nz (David Empson) wrote in message news:<1fs56rg.1u56rfyhmjz6gN%dempson@actrix.gen.nz>...
> Dosius <steve@dosius.zzn.com> wrote:
> 
> > I am thinking of emulating an Apple //c+ - which uses a 65802.
> 
> No it doesn't.  The IIc+ uses a 65C02.  The only thing that is special
> about its CPU is that the motherboard incorporates an accelerator, which
> is basically a 4 MHz Zip chip broken out into separate components rather
> than being bonded into a single package, plus some added firmware
> support.

Mea culpa.

> 
> The firmware might be relying on specific behaviour of the accelerator
> hardware, so if you don't emulate that properly, it might not work.
> 
> Apart from the accelerator and the extra hardware support for the 3.5"
> drive, the IIc+ is architecturally very similar to the last revision of
> the IIc.

I figured as much.  I wonder why it did what it did, though...

-uso.