Paul's puzzle 47 solution - 22 parts


#1

Here’s my solution (it’s the one in the book):

And here’s the link:

http://www.lodev.org/jstumble/?board=e0eelleer0fexrf00leerxlf0lfrrfe0lfrreer

Description: A much more efficient way of doing addition. First it adds the 1’s place of register A to the 1’s place of register B. Then it adds the 2’s place of register A to the 2’s place of register B.


#2

You can save one part by rearranging the top 4 rows.

The first bit’s job is to send a ball to each of the bits of register A. This is more efficient if done to the right of the register, rather than above it.

Challenge%2047%20solution%20part