ref: c9c59dc34323a5e0b1886db5f845c8d41620826e dir: /constants/map_data_constants.asm/
; width of east/west connections ; height of north/south connections MAP_BORDER EQU 3 ; connection directions EAST EQU 1 WEST EQU 2 SOUTH EQU 4 NORTH EQU 8