Here is a short 6502 assembly language programming tutorial with emulator and development tools in the browser:<p><a href="http:&#x2F;&#x2F;skilldrick.github.io&#x2F;easy6502&#x2F;" rel="nofollow">http:&#x2F;&#x2F;skilldrick.github.io&#x2F;easy6502&#x2F;</a><p>It&#x27;s 6502 not x64 but simpler is better here. It is self-contained but if you would like more here is a 5 page introduction to the 6502 from another author:<p><a href="http:&#x2F;&#x2F;people.cs.umass.edu&#x2F;~verts&#x2F;cmpsci201&#x2F;spr_2004&#x2F;Lecture_02_2004-01-30_The_6502_processor.pdf" rel="nofollow">http:&#x2F;&#x2F;people.cs.umass.edu&#x2F;~verts&#x2F;cmpsci201&#x2F;spr_2004&#x2F;Lecture...</a>