video thumbnail 43:52
8-bit CPU control logic: Part 3

2017-05-21

[public] 192K views, 7.55K likes, 25.0 dislikes audio only

See https://eater.net/bbcpu8-control-logic for more.

In this video we use two EEPROMs to translate the instruction cycle ring counter and the contents of the instruction register to the correct control signals for each microinstruction. At the end of the video, we run the first full program!

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pull out this first eeprom
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cycle through all of the possible instructions
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cycle through the remaining 15 instructions and set
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