The registers inside the CPU, the machine code instruction set, and the ways in which the instructions interact with the registers and status flags are all intertwined. As you may recall, one of my ...

In my previous blog, I reintroduced the concept of the Heath Robinson Rube Goldberg (HRRG) 4-bit computer, which has been on my “To Do” list for more years than I care to remember. As we discussed, ...