| Routines

29148: Make a teacher wipe a blackboard (1)

The address of this interruptible subcommand routine is placed into bytes 105 and 106 of a teacher's buffer by the routine at 32048.
Input
H | Teacher's character number (163-166)
29148 | CALL 28968 | A=identifier of the blackboard the teacher is next to
29151 | JR 29160 | Jump over the unused code remnants at 29153 (which apparently would have made the teacher skip wiping the board if it was already clean)