| Game status buffer

7F81: Lesson signal flags

Used by the classroom-based command lists to indicate that or check whether a teacher has arrived at the classroom door to start the lesson.
Bit(s) | Meaning if set
--- | ---
0 | Teacher has arrived at the top-floor classroom in the girls' skool
1 | Teacher has arrived at the middle-floor classroom in the girls' skool
2 | Teacher has arrived at the Blue Room
3 | Teacher has arrived at the Yellow Room
4 | Teacher has arrived at the Science Lab
5-7 | Unused
7F81 | DEFB $00 |