Thanks t vago, can't believe I missed that (Awesome work by the way)
Got it down to just 2 build errors:
Code:
In file included from mpguino_tav.ino:352:0:
mpguino_tav.ino:2972:61: error: variable ‘buttonPressAdrList’ must be const in order to be put into read-only section by means of ‘__attribute__((progmem))’
mpguino_tav.ino:4753:34: error: variable ‘S64programList’ must be const in order to be put into read-only section by means of ‘__attribute__((progmem))’