Let's figure out how to move data around inside our simulated computer. Featuring multiplexers, buses, and three-state logic.

Series playlist:    • Exploring How Computers Work  
Simulation tool (work in progress): https://sebastian.itch.io/digital-log...
Source code: https://github.com/SebLague/Digital-L...
Support the channel:   / sebastianlague  

Resources and Inspiration:
   • Bus architecture and how register tra...  
https://en.wikipedia.org/wiki/Three-s...
https://en.wikipedia.org/wiki/Bus_(co...)
The Art of Electronics (3rd edition)

Music Credits:
https://github.com/SebLague/Misc-Proj...

Chapters
0:00 Intro
1:33 Multiplexers
3:47 Making a Mess
4:45 Public Transport to the Rescue
6:09 Push-Pull Outputs
9:17 Bus Contention
10:00 Three-State Outputs
12:23 Bus Buffer
14:56 Testing the Bus
18:08 Outro