Mum... I'm building a CPU - Episode 6: Subtractor in Detail
Channel: UniCPUTeam
Date: 2013-05-04

In this video, I explain what the negator board is for, why it works, and give you a look at the circuitry used in our CPU to implement it.

Andrei's video, where he talks about the 8-bit Full-Adder, is available at:
http://www.youtube.com/watch?v=vQ1iAotNy9M

Sam's video, where he talks about the program counter, is available at (not published yet):
http://www.youtube.com/watch?v=EyhEyI-xy4M