Re: ALU - Don't know where to start

Posted by Technik on Feb 13, 2013; 5:35pm
URL: http://nand2tetris-questions-and-answers-forum.52.s1.nabble.com/ALU-Don-t-know-where-to-start-tp4026279p4026283.html

Ah! Thanks for the help. I'm a little confused about these status bits. What exactly are ng and zr and what purpose do they serve? The rest make sense (zx = zero X; ny = negate y, etc) but I'm not sure I understand what the "status" bits are.