| Routines

7DA7: Make BOY WANDER write on a blackboard if the teacher hasn't arrived yet

Used by BOY WANDER's command lists 0x94, 0x9C and 0xA4.
Input
H | 0xA7 (BOY WANDER)
7DA7 | CALL $618C | Get the event ID (0x09, 0x0A or 0x0B) from the command list
7DAA | CALL $631E | Has the teacher arrived yet?
7DAD | JR Z,$7D9E | Jump if not
7DAF | JP $62A8 | Otherwise move to the next command in the command list