Relative mouse for someone is physically unable to use a joystick

[313_Nevo]

Echo, here we go, mouse control via lua scripting, no additional emulators needed. hope it helps

http://forums.eagle.ru/showpost.php?p=2153854&postcount=22

[Alterscape]

It might be worth reaching out to Ben Heckendorn -- he's done a lot of work in modifying game controllers to support people with limited use of their hands. This use case might interest him -- don't know how he got connected with the people he did work for in the past.