6502 Illegal Opcodes in the Siemens PC 100 Assembly Manual (1980) 1 year ago
I’ve only recently scratched the surface of CPU architecture/ hardware , and one of the challenges was picturing the register stack. For some reason, reimagining this as a single doorway keller (cellar) made the whole First-In Last-Out arrangement much easier to visualise! Strange how words can be transformative!