Kenny Tay:
> Correct me if I'm wrong. To subtract -4 (100), we need to complement all
> three bits and add 1, which gives the same number. Unless there is another
> procedure for subtracting a number..?

When you don't do anything special, and just subtract -4, what do you get?
You get 4, right? What is the problem with that case? Adding -4 and 0 is
treated in section 4 of the Theory portion of the lab.

-Robert Dick-
Received on Mon May 5 08:32:01 2008