[Shish2k]

I've been doing the same thing, with the same .pdf, and hitting the same errors :)

http://gbdev.gg8.se/wiki/articles/Main_Page is my current documentation of choice - which seems to be based on the same .pdf but has a bunch of updates and errors corrected

[isaachier]

Ditto. My project is in Zig here: https://github.com/isaachier/gbemu.

[the_spacebyte]

Glad I'm not the only one : ) Thanks I'll go check it