Decimal V Binary??

[Stan Barr]

Hi,

Tom Jennings <tomj at wps.com> said:

> 
> The lowly 8080 had DAA, Decimal Adjust for Addition. If I recall,
> it handled "carry" from bit5 (and Cy?) after adding a BCD pair
> in A.

The even lowlier SC/MP had DAD (Decimal Add), DAI (Decimal Add Immediate)
and DAE (Decimal Add Extension) instructions.  They all add 2-digit 
(8-bit) decimal numbers.


-- 
Cheers,
Stan Barr  stanb at dial.pipex.com

The future was never like this!