Re: Problem with the ALU

Posted by cadet1620 on Sep 17, 2017; 10:17am
URL: http://nand2tetris-questions-and-answers-forum.52.s1.nabble.com/Problem-with-the-ALU-tp4031419p4031421.html

Mux16(a=false, b=y2, sel=f, out=y_add);

Can't connect part's output pin to gate's input pin: load ALU.hdl

'_' is not a legal character in HDL names. You want to change "y_add" to "yAdd".

Why the strange error message?
The parser saw this as "out=y". "y" is the "gate's input pin" in the message.

--Mark