On Thursday, January 23, 2003, Tony Duell wrote:
> The original 8051 really suffers from only having one 16 bit DPTR (data
> address register). This has been corrected on some of the improved
> versions now available, but code written for those is no longer portable
> to all 8051 derivatives.
I wrote a bit of firmware for the Dallas DS80C520, one of the improved
versions. It was great fun. There is a *lot* of functionality packed into
that chip.
--
Jeffrey Sharp
Received on Thu Jan 23 2003 - 22:42:46 GMT