Date   : Thu, 11 Aug 2005 12:45:14 +0100
From   : Phil Blundell <philb@...>
Subject: Re: 80186 co-pro

On Wed, 2005-08-10 at 22:18 +0100, Sprow wrote:
> Without wanting to paint myself into a corner or do Phil out of any work, I
> was planning the following extensions to the ARM copro board proposed earlier
> 
>  a) emulate the 6502 tube/65C102 turbo as required in software on the
>     ARM. At 75MHz you should be able to at least achieve 10MHz, allowing
>     7 ARM instructions to emulate each 6502 opcode

>  b) use a soft 6502 blatted into the spare space in the programmable logic
>     emulating the Tube IC, I've already done some work on a VHDL core which
>     can be downloaded from
>          http://www.sprow.co.uk/fpgas/free6502.htm

Mm, yeah, that does sound pretty cool.

p.