Game status buffer
Prev: 5E19 Up: Map Next: 5E1C
5E1B: Flag: Pointer Moved Back
Set to 01 by UpdateCurrentObject when it has moved the pointer at CurrentObject back to an earlier map point, else 00.
Flag_PointerMovedBack 5E1B DEFB $2C
Prev: 5E19 Up: Map Next: 5E1C