| Routines

7CC8: Make a teacher wait for EINSTEIN to finish speaking

The address of this interruptible subcommand routine is placed into bytes 0x69 and 0x6A of a teacher's buffer by the routine at 7CAF.
Input
H | Teacher's character number (0xA3-0xA6)
7CC8 | LD A,($7FC9) | 7FC9 holds the lesson signal flags
7CCB | RLCA | Is EINSTEIN still speaking?
7CCC | RET C | Return if so
7CCD | JP $62A4 | Terminate this interruptible subcommand