It’s an assembly tutorial for the 6502 processor ... You can even find folks building their own computers around the chip these days (most notable to us is the Veronica project).
The idea was to have a building block chip that needed some surrounding logic ... He wanted to use it to write assembly language programs targeting the same system (or an identical one).
IBM has introduced a self-assembly process into chip manufacture — a first for the semiconductor industry. The company reports that the new chips consume 15% less energy than conventional devices.
During the pandemic, chip factories, especially those overseas making the majority of processors, shut down. It had a ripple effect that led to wider problems, such as automobile factory assembly ...