Keep DAA! (was Re: 8086 bugs)

[Jim Battle]

Jim Battle (hey, that's me!) wrote:
> I know that the TI CC-40 and TI-74 calculators (and I'm sure there are 
> others) used base 100 arithmetic -- two digits per byte like bcd, but in 
> some ways more straightforward.  When they normalized their mantissa 
> there was two digit granularity.

False memory, I guess.  I dug out the appropriate book and found that in fact 
they do use BCD representation internally.  However it is still true that they 
normalized bytewise instead of nibblewise.