ref: 770d2fc4cb3368b237d8ba33dcd6e5d9f0740863
dir: /engine/tilesets/mapgroup_roofs.asm/
LoadMapGroupRoof:: ld a, [wMapGroup] ld e, a ld d, 0 ld hl, MapGroupRoofs add hl, de ld a, [hl] cp -1 ret z ld hl, Roofs ld bc, ROOF_LENGTH tiles call AddNTimes ld de, vTiles2 tile $0a ld bc, ROOF_LENGTH tiles call CopyBytes ret INCLUDE "data/maps/roofs.asm"