I built the breadboard computer that Ben Eater shows on his youtube chanel back in 2017. I started upgrading it fully to 8-bit instructions but have not finished it.
Here are the schematics I made for updating the different modules.
Additions to the ALU:
Module for persistent memory:
RAM Address Module:
RAM Memory Module:
I have only started upgrading the RAM modules. I needed to upgrade the program counter as well.Actual Pictures to come soon.