different bus widths

Posted by afsd on Sep 27, 2011; 12:38pm
URL: http://nand2tetris-questions-and-answers-forum.52.s1.nabble.com/different-bus-widths-tp3372452.html

Not(in=zx, out=notzx);
And16(a=x, b[0..15]=notzx, out=x1);

why doesn't this work?