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Routines |
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Used by the teachers' command lists 22, 24, 58, 60 and 62. Restarts the teacher's command list if it's not time to start the class yet; otherwise makes the teacher tell the kids to sit down.
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61555 | LD A,(32740) | Collect the MSB of the lesson clock (which starts at 16) | ||
61558 | CP 12 | Is it time to tell the kids to sit down yet? | ||
61560 | JR C,61568 | Jump if so | ||
61562 | LD L,29 | Otherwise signal that the command list is to be restarted | ||
61564 | SET 0,(HL) | |||
61566 | JR 61591 | |||
61568 | CALL 25213 | Collect the event indicator for the start of the lesson (8, 9, 10, 11 or 12) from the command list | ||
61571 | LD C,A | Save the event indicator in C briefly | ||
61572 | CALL 31887 | Has the lesson already started? | ||
61575 | JR NZ,61591 | Jump if so (the teacher must have just returned to the classroom doorway after hunting down the truant ERIC) | ||
61577 | LD A,C | Restore the event indicator to A, and signal that the lesson has started | ||
61578 | CALL 31896 | |||
61581 | LD A,H | A=teacher's character number | ||
61582 | SUB 109 | E=92, 93, 94 or 95 (appropriate SIT DOWN message for this teacher) | ||
61584 | LD E,A | |||
61585 | LD BC,27144 | Redirect control to the routine at 27144 (make character speak) and then return to 61591 (below) | ||
61588 | CALL 25503 | |||
61591 | JP 25484 | Move to the next command in the command list |
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