Is there one? I need it to help me with learning 6502 asm.
The only resource that brings the description of each step for a certain instruction is the document:
http://www.atarihq.com/danb/files/64doc.txt
It's the only avaliable resource, as far as I know... excellent.
Ahem, I do believe THIS is what you're looking for.
http://users.telenet.be/kim1-6502/6502/proman.html