| Data

BB40: 3rd floor window flags (18<=y<=23)

Used by the routines at F436 and F7DA. Each byte here corresponds to a segment of the play area that is eight tiles wide, and level with the 3rd floor of a building (18<=y<=23). The 4th floor window flags are at BA40; the 2nd floor window flags are at BC40.
BB40 | DEFB $3C,$00,$BE | 0<=x<24: apartment building next to no. 74
BB43 | DEFB $00 | 24<=x<32: no windows here
BB44 | DEFB $B8,$1C,$35 | 32<=x<56: no. 74
BB47 | DEFB $C8,$00,$00,$00,$00,$C8 | 56<=x<104: hotel
BB4D | DEFB $FE,$9F | 104<=x<120: no. 31
BB4F | DEFB $00 | 120<=x<128: no windows here
BB50 | DEFB $C8,$00,$88 | 128<=x<152: police station
BB53 | DEFB $14 | 152<=x<160: no. 27
BB54 | DEFB $00,$00 | 160<=x<176: no windows here
BB56 | DEFB $38,$FF,$00,$5F | 176<=x<208: apartment building next to no. 19
BB5A | DEFB $48,$48 | 208<=x<224: no. 19
BB5C | DEFB $9E,$17 | 224<=x<240: no. 17
BB5E | DEFB $DF,$34 | 240<=x<256: no. 15