A limited set of actions can assigned via macro commands. Incompatible actions are ommited from the generated macro. Also note that Macros are limited to 15 lines each.
SAM as of 6.5
Lose Shoha II (Thank God.)
No new buttons.
My samurai cross hotbars.
Hotbar 1 (Back)
1: Hissatsu
2: Heavy Hits
3: Niche 1
4: Niche 2
Hotbar 1 (Front)
1 Combo Starters + Midare
2 Combo Enders + Meikyo
3:Aoe Combo
4: Job Actions