Code: Select all
#Amount extra keen at score increases after every extra keen
%patch $0D9C $00 $00
#Extra Keen at score at beginning
%patch $0F5E $20 $4E
#Keen doesn't get extra lives [Xtra Keen score doesn't increase either]
%patch $0DAA $90 $90 $90 $90
#Change extra Keen at score needed
%patch $0D78 $20 $4E
%patch $0D88 $20 $4E
%patch $0D9C $20 $4E
%patch $0F5E $20 $4E