From Transistors To Tetris Part 2: Program Counter and Stack Pointer

This is the second episode in a series documenting my build of a 1970s era computer out of discrete transistors. In this video, I design and explain the stack pointer and the program counter. Link to schematics: https://drive.google.com/drive/folders/1lvHmpcc4_e0lxR8XwBZC0d5BAQX2q27d?usp=sharing