Around one or two years ago a website with exclusive information on the WonderSwan disappear, I’ve manage to contact the author, the original server had a HardDrive crash, but he manage to restore some part and put them on another website. So here are the wsc_tech documents:
I have some sort of a copy of the wsc_tech1, it’s the IO mapping. I will eventually post it here soon.
This article give a lot of not well known informations about the Nintendo Dolphin Project genesis, known as the Nintendo GameCube. It is really well documented, and mostly impartial:
http://www.dromble.com/2014/01/07/dolphin-tale-story-of-gamecube/
The original thread on Wonderswan development (in french, sorry): Développement Wonderswan (le retour) « Pocket Videogames – yAronet – Attention : forum addictif !.