| Game status buffer

7FAA: Door knock status flags

Used by the routines at F2A8, F748 and F7CD. The bits in each byte here are used as follows:
Bit(s) | Meaning if set
--- | ---
7 | Somebody has just knocked on the door
6 | Somebody is going to answer the door
0-5 | Unused
7FAA | DEFB $00 | Shop at the far left of town (unused)
7FAB | DEFB $00 | Right-hand shop under the apartments next to no. 74 (unused)
7FAC | DEFB $00 | No. 74
7FAD | DEFB $00 | No. 31
7FAE | DEFB $00 | No. 27
7FAF | DEFB $00 | No. 19
7FB0 | DEFB $00 | Shop under no. 17 (unused)
7FB1 | DEFB $00 | No. 17
7FB2 | DEFB $00 | Shop under no. 15 (unused)
7FB3 | DEFB $00 | No. 15