Re: zr and ng bits on the ALU output

Posted by cadet1620 on
URL: http://nand2tetris-questions-and-answers-forum.52.s1.nabble.com/zr-and-ng-bits-on-the-ALU-output-tp3581216p3581472.html

Malco wrote

What about ZR? should I sum all other bits one by one?

You made a part in chapter 1 that will tell you if an 8-bit value is non-zero.  Combine the outputs from two of them to compute ZR.

--Mark