General todo
From DeSmuME
todo for 0.9.7
- fix fat generation (sdfatlib?) done ** but!! it needs to support LFN!
todo for 0.9.8
- UEP
- UEP nitrofs mode
- unify NDS_LoadRoms
- ui for slot-1
- unify slot1=nothing and eject handling
- bitdepth to 666
- gdi display method
- totally rewrite basically all firmware code