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Routines |
| Prev: 28460 | Up: Map | Next: 28576 |
| 28484 | CALL 28240 | Check whether ERIC is on a staircase | ||
| 28487 | LD L,0 | Point HL at byte 0 of ERIC's buffer | ||
| 28489 | JR C,28569 | Jump if ERIC's on a staircase | ||
| 28491 | BIT 7,(HL) | Check the 'direction' bit of ERIC's animatory state | ||
| 28493 | LD A,D | A=ERIC's y-coordinate | ||
| 28494 | JR Z,28540 | Jump if ERIC's facing left | ||
| 28496 | CP 10 | Is ERIC on the middle floor? | ||
| 28498 | JR Z,28535 | Jump if so | ||
| 28500 | CP 14 | Is ERIC on the assembly hall stage? | ||
| 28502 | JR Z,28530 | Jump if so | ||
| 28504 | CP 17 | Is ERIC on the bottom floor? | ||
| 28506 | JP NZ,28449 | Move ERIC one space to the right if not | ||
| 28509 | LD A,E | A=ERIC's x-coordinate | ||
| 28510 | CP 176 | This is the x-coordinate of the bottom of the stairs leading up to the middle floor of the girls' skool | ||
| 28512 | JR NZ,28506 | Jump if ERIC is not at that point | ||
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This entry point is used by the routines at 28315, 28436 and 28460.
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| 28514 | DEC D | Up a stair | ||
| 28515 | LD B,D | B=ERIC's post-midstride y-coordinate | ||
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This entry point is used by the routine at 28576.
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| 28516 | LD A,(53760) | A=ERIC's animatory state | ||
| 28519 | LD C,E | C=ERIC's current x-coordinate | ||
| 28520 | BIT 7,A | Is ERIC facing left? | ||
| 28522 | JR Z,28526 | Jump if so | ||
| 28524 | INC C | |||
| 28525 | INC C | |||
| 28526 | DEC C | C=ERIC's post-midstride x-coordinate | ||
| 28527 | JP 28114 | Put ERIC midstride | ||
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ERIC is on the assembly hall stage, facing right.
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| 28530 | LD A,E | A=ERIC's x-coordinate | ||
| 28531 | CP 81 | This is the x-coordinate of the bottom of the stairs leading up from the stage to the middle floor | ||
| 28533 | JR 28512 | Move ERIC up a stair if he's here | ||
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ERIC is on the middle floor, facing right.
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| 28535 | LD A,E | A=ERIC's x-coordinate | ||
| 28536 | CP 19 | This is the x-coordinate of the bottom of the stairs leading up to the Revision Library | ||
| 28538 | JR 28512 | Move ERIC up a stair if he's here | ||
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ERIC is facing left.
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| 28540 | CP 10 | Is ERIC on the middle floor? | ||
| 28542 | JR NZ,28556 | Jump if not | ||
| 28544 | LD A,E | A=ERIC's x-coordinate | ||
| 28545 | CP 91 | This is the x-coordinate of the bottom of the stairs leading up to the head's study | ||
| 28547 | JR Z,28514 | Move ERIC up a stair if he's here | ||
| 28549 | CP 186 | This is the x-coordinate of the bottom of the stairs leading up to the top floor of the girls' skool | ||
| 28551 | JP NZ,28473 | Move ERIC one space left if he's not here | ||
| 28554 | JR 28514 | Otherwise move him up a stair | ||
| 28556 | CP 17 | Is ERIC on the bottom floor? | ||
| 28558 | JR NZ,28551 | Jump if not | ||
| 28560 | LD A,E | A=ERIC's x-coordinate | ||
| 28561 | CP 22 | This is the x-coordinate of the bottom of the stairs leading up to the middle floor at the far left of the boys' skool | ||
| 28563 | JR Z,28514 | Move ERIC up a stair if he's here | ||
| 28565 | CP 83 | This is the x-coordinate of the bottom of the stairs leading up to the assembly hall stage | ||
| 28567 | JR 28551 | Move ERIC up a stair if he's here | ||
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ERIC is on a staircase.
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| 28569 | XOR (HL) | Set the carry flag if ERIC is facing the wrong way to ascend the stairs | ||
| 28570 | RLA | |||
| 28571 | JP C,28216 | Turn ERIC round if he's facing the wrong way | ||
| 28574 | JR 28514 | Make ERIC go up a stair otherwise | ||
| Prev: 28460 | Up: Map | Next: 28576 |