The Boolian function `x`

Posted by yahavigal on
URL: http://nand2tetris-questions-and-answers-forum.52.s1.nabble.com/The-Boolian-function-x-tp4027173.html

How do I do the `x` or `Y` function in HDL?
If I want the output to be equale to the input, I do `Not` and then `Not` again to return to the original value of the input.
I did it for example in a DMux, when i wanted `outA` to remain.
can u help?