The reddit post has a bunch more info: <a href="https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;MarioMaker&#x2F;comments&#x2F;44b7cd&#x2F;a_3bit_binary_adding_machine_with_decimal&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;MarioMaker&#x2F;comments&#x2F;44b7cd&#x2F;a_3bit_b...</a>