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Routines |
| 28576 | CALL 28240 | Check whether ERIC is on a staircase |
| 28579 | LD L,0 | Point HL at byte 0 of ERIC's buffer |
| 28581 | JR C,28650 | Jump if ERIC's on a staircase |
| 28583 | BIT 7,(HL) | Check the "direction" bit of ERIC's animatory state |
| 28585 | LD A,D | A=ERIC's y-coordinate |
| 28586 | JR Z,28625 | Jump if ERIC is facing left |
| 28588 | CP 3 | Is ERIC on the top floor? |
| 28590 | JR Z,28616 | Jump if so |
| 28592 | CP 10 | Is ERIC on the middle floor? |
| 28594 | JR Z,28611 | Jump if so |
| 28596 | CP 14 | Is ERIC on the assembly hall stage? |
| 28598 | JP NZ,28449 | Move ERIC one space to the right if not |
| 28601 | LD A,E | A=ERIC's x-coordinate |
| 28602 | CP 80 | 80: Top of the stairs leading from the stage to the bottom floor |
| 28604 | JR NZ,28598 | Jump if ERIC is not here |
| 28606 | LD B,D | B=ERIC's post-midstride y-coordinate (down a stair) |
| 28607 | INC B | |
| 28608 | JP 28516 | Move ERIC one space right or left too |
| 28611 | LD A,E | A=ERIC's x-coordinate |
| 28612 | CP 15 | 15: Top of the stairs leading down to the bottom floor in the boy's skool |
| 28614 | JR 28604 | Move ERIC down a stair if he's here |
| 28616 | LD A,E | A=ERIC's x-coordinate |
| 28617 | CP 84 | 84: Top of the stairs just outside the head's study |
| 28619 | JR Z,28606 | Move ERIC down a stair if he's here |
| 28621 | CP 179 | 179: Top of the stairs leading down to the middle floor in the girls' skool |
| 28623 | JR 28604 | Move ERIC down a stair if he's here |
| 28625 | CP 10 | Is ERIC on the middle floor? |
| 28627 | JR Z,28641 | Jump if so |
| 28629 | CP 3 | Is ERIC on the top floor? |
| 28631 | JP NZ,28473 | Move ERIC one space left if not |
| 28634 | LD A,E | A=ERIC's x-coordinate |
| 28635 | CP 26 | 26: Top of the stairs leading down from the revision library |
| 28637 | JR NZ,28631 | Move ERIC one space left if he's not here |
| 28639 | JR 28606 | Otherwise move him down a stair |
| 28641 | LD A,E | A=ERIC's x-coordinate |
| 28642 | CP 85 | 85: Top of the stairs leading down to the stage |
| 28644 | JR Z,28606 | Move ERIC down a stair if he's here |
| 28646 | CP 183 | 183: Top of the stairs leading down to the bottom floor in the girls' skool |
| 28648 | JR 28637 | Move ERIC down a stair if he's here |
| 28650 | XOR (HL) | Reset the carry flag if ERIC is facing the wrong way to descend the stairs |
| 28651 | RLA | |
| 28652 | JP NC,28216 | Turn ERIC round if he's facing the wrong way |
| 28655 | JR 28606 | Otherwise move him down a stair |