Back to Skool Routines
Prev: 61657 Up: Map Next: 61693
61658: Control teacher during assembly
Used by command list 80.
H Character number of teacher (201-203)
61658 LD A,(32740) 32740 holds the MSB of the lesson time counter (which starts off at 16)
61661 CP 2 Has the teacher been standing still long enough?
61663 JP C,25484 Move to the next instruction in the command list if so
61666 CP 11 Is it time for the kids to sit down for assembly yet?
61668 RET NC Return if not
61669 LD A,H A=teacher's character number
61670 CP 201 Is this MR WITHIT (who does assembly duty)?
61672 RET NZ Return if not
61673 LD DE,32640 Set bits 6 (ERIC should be here now) and 7 (time to sit down: this is checked by command lists 20, 40 and 88) at 32640
61676 LD A,(DE)
61677 OR 192
61679 LD (DE),A
61680 LD A,(32740) A=MSB of the lesson time counter
61683 CP 10 Is it time to find ERIC if he's absent?
61685 RET NC Return if not
61686 CALL 32021 Is ERIC in the assembly hall?
61689 RET Z Return if so
61690 JP 61648 Go and find him otherwise
Prev: 61657 Up: Map Next: 61693