1bit Music

http://shiru.untergrund.net/1bit/ seems to be the most comprehensive site for matters of 1bit sound synthesis (if it has nothing to do with Tristan Perich, that is).

It CAN be done!

(and by "it" I mean trig with integers)
http://jpb.forth.free.fr/anglais/pages_techniques/trigonometrie.html
http://www.dribin.org/dave/blog/archives/2010/08/15/announcing_trigint/

Strength lies in obsolescence

Whee! I've never even written Assembly and I'm trying to design a computer. That's why Alan lent me his copy of this book.

But this is my copy, which just arrived today. It's older than I am, which is fantastic.