video thumbnail 13:17
8-bit CPU control signal overview

2017-04-15

[public] 153K views, 4.20K likes, 8.00 dislikes audio only

channel thumbBen Eater

This video goes over the control signals used in our 8-bit breadboard computer.

Support me on Patreon: https://www.patreon.com/beneater

See https://eater.net/bbcpu8-bus for more.

Additional components used in this video:

- 15x LEDs to indicate which control signals are active

- 15x 470Ω resistors for the control signal LEDs

- 15x 470Ω resistors for the bus LEDs

- 2x 74LS04 Hex inverter (optional, but makes the control word simpler to interpret)

- Red gel (e.g., https://www.amazon.com/dp/B004GE19E2)

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https://twitter.com/ben_eater

https://www.patreon.com/beneater


Intro
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Building control logic
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Memory in signal
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RAM in signal
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Instruction register in signal
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Subtract signal
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Output signal
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Program counter
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Resets
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LEDs
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Other changes
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Red plastic
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Ben Eater Subscribe to see tutorial-style videos about electronics, computer architecture, networking, and various other technical subjects. If you want to see more on a particular subject, leave a comment and I'll try my best to add more. If you'd like to support my work, please do! https://www.patreon.com/beneater https://paypal.me/beneater https://cash.me/$eater bitcoin:1EaterJkmmuJWfm8hvULrMJGm7R8JgXTL8 bitcoincash:1JUjEErUjkgBVJP28GH6LKihvEUJ1RGZhx
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Building an 8-bit breadboard computer! by Ben Eater
/youtube/video/HyznrdDSSGM