People may be interested in James' other stuff<p><a href="https://howerj.github.io/" rel="nofollow">https://howerj.github.io/</a><p><a href="https://howerj.github.io/libforth/libforth.htm" rel="nofollow">https://howerj.github.io/libforth/libforth.htm</a><p>Although Embed is the more mature project than libforth.<p>I really liked having a full explanation line-by-line.
If you're interested in Forth, JonesForth is another classic literate program:
<a href="https://github.com/nornagon/jonesforth/blob/master/jonesforth.S" rel="nofollow">https://github.com/nornagon/jonesforth/blob/master/jonesfort...</a>