Since this table must only be set up for RT when changing fonts, I
needed to put an engine reference in the Fonts base class. Because
of this, I've been able to simplify the creation of the various
surfaces, since you no longer need to pass in the platform
- allow characters > 0x80
- adjust characters >= 0x80 (Spanish + German didn't do exactly
the same)
- behavior inside SH2 unconfirmed
- makes text in SH1 German+Spanish work