If you’re competent at x86 assembly, picking up 6502 will be pretty easy. This is a decent jumping point. Check out the optimizations link after you’ve cut your

If you’re competent at x86 assembly, picking up 6502 will be pretty easy. This is a decent jumping point. Check out the optimizations link after you’ve cut your teeth a bit: https://wiki.nesdev.com/w/index.php/6502_instructions https://wiki.nesdev.com/w/index.php/6502_instructions Tools are everything here. Get a good emulator/debugger and assembler.