Re: mmu for 65c02

From: Gabor Lenart (
Date: 2005-04-21 08:02:21

Hi Steve,

On Wed, Apr 20, 2005 at 06:02:29PM -0600, Steve Judd wrote:
> Gabor,
> Out of curiosity, why not use a 65816?  It does most of the things you
> mention.  It can do 24-bit addressing directly, or you can specify which

:) yes, you're right, however it's the "8 bit theory": it's not the PC
world "don't fast enough? buy faster processor. out of memory? Buy more
memory". I would like to solve things with MINOR modofications only. Exchange
the CPU is not in this area ;-)

> 64k bank to be used for programs and/or memory addressing.  Zero page can
> be relocated anywhere in bank 0, so you can have multiple zero-page areas.
> You can also move the stack around, etc.  It's implemented via registers
> in a pretty straightforward way.

Sure, I know 65816 programming, but thanks for your advice anyway :)

- Gábor

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