[FE6/FE7/FE8] Is it possible to recreate Fire Emblem 9 automatic promotion?

[Vesly]

It is in febuilder patches.

My original post:

Vesly's ASM / C

Promote Unit [mGBA_fRIgXLapYv] This adds a unit menu command called “promote” which does just that. It displays conditionally based on the list. Here I’ve made it so everyone except pidgeotto may promote. PromotionMenuList: // Unit Class RequiredLevel ChapterID BoolException 0 Flag BYTE 0 0 20 0xFF False 0 ; SHORT 0 // Anyone can promote at level 20 BYTE Eirika 0 0 0xFF True 0 ; SHORT AmeliaDeathFlag // Except Eirika cannot promote if Amelia has died. BYTE 0 Archer 12 ScorchedSandCh 0 …