From the YouTube description:
Let’s go over the 8502’s jump and subroutine instructions. In addition, we’ll cover how to wedge in an interrupt handler and do a copper bar (mostly) correctly!
Follow along and fill in your gaps with these manuals:
- Assembly in One Step by RTK
- Matt Godbolt’s Blog on 6502 internals
- The Nybbles and Bytes 6502 Instruction Reference
- Skilldrick’s Easy6502