[leohonexus]

I’d also add the book “But How Do It Know?” from J. Clark Scott as a fantastic primer, building from gates to RAM and CPU, to a simple bootloader and assembly programming. It comes with a CPU simulator on the book’s website so you could make sense of what you’re learning - and being a light read you could reasonably finish it in a week.

http://www.buthowdoitknow.com