Second try:

Hi noduerme, I'm the guy who wrote the original 'Kaos'. I stumbled upon the discussion about it, and have no idea how to contact you besides commenting here...

Any way I can message you?

Hi! I've temporarily put my email contact in my profile here...

Got it!

Hi noduerme, I'm the guy who wrote the original 'Kaos'. I stumbled upon the discussion about it, and have no idea how to contact you besides commenting here.

BTW assembly rocks :-).