In this video, we talk about the difference between instructions and microinstructions. Then we build a ring counter to keep track of where we are in the instruction cycle. Finally, we hook up a quick-and-dirty implementation of the fetch cycle to demonstrate instruction fetching. See https://eater.net/bbcpu8-control-logic for more. Support me on Patreon: https://www.patreon.com/beneater https://www.eater.net https://twitter.com/ben_eater https://www.patreon.com/beneater