|
Routines |
| Prev: 6F44 | Up: Map | Next: 6FF1 |
| 6FA0 | CALL $6E50 | Check whether ERIC is on a staircase | ||
| 6FA3 | LD L,$00 | Point HL at byte 0x00 of ERIC's buffer | ||
| 6FA5 | JR C,$6FEA | Jump if ERIC's on a staircase | ||
| 6FA7 | BIT 7,(HL) | Check the 'direction' bit of ERIC's animatory state | ||
| 6FA9 | LD A,D | A=ERIC's y-coordinate | ||
| 6FAA | JR Z,$6FD1 | Jump if ERIC is facing left | ||
| 6FAC | CP $03 | Is ERIC on the top floor? | ||
| 6FAE | JR Z,$6FC8 | Jump if so | ||
| 6FB0 | CP $0A | Is ERIC on the middle floor? | ||
| 6FB2 | JR Z,$6FC3 | Jump if so | ||
| 6FB4 | CP $0E | Is ERIC on the assembly hall stage? | ||
| 6FB6 | JP NZ,$6F21 | Move ERIC one space to the right if not | ||
| 6FB9 | LD A,E | A=ERIC's x-coordinate | ||
| 6FBA | CP $50 | This is the x-coordinate of the top of the stairs leading from the stage to the bottom floor | ||
| 6FBC | JR NZ,$6FB6 | Jump if ERIC is not here | ||
|
This entry point is used by the routines at 6E9B, 6F14 and 6F2C.
|
||||
| 6FBE | LD B,D | B=ERIC's post-midstride y-coordinate (down a stair) | ||
| 6FBF | INC B | |||
| 6FC0 | JP $6F64 | Move ERIC one space right or left too | ||
|
ERIC is on the middle floor, facing right.
|
||||
| 6FC3 | LD A,E | A=ERIC's x-coordinate | ||
| 6FC4 | CP $0F | This is the x-coordinate of the top of the stairs leading down to the bottom floor at the far left of the boy's skool | ||
| 6FC6 | JR $6FBC | Move ERIC down a stair if he's here | ||
|
ERIC is on the top floor, facing right.
|
||||
| 6FC8 | LD A,E | A=ERIC's x-coordinate | ||
| 6FC9 | CP $54 | This is the x-coordinate of the top of the stairs just outside the head's study | ||
| 6FCB | JR Z,$6FBE | Move ERIC down a stair if he's here | ||
| 6FCD | CP $B3 | This is the x-coordinate of the top of the stairs leading down to the middle floor in the girls' skool | ||
| 6FCF | JR $6FBC | Move ERIC down a stair if he's here | ||
|
ERIC is facing left.
|
||||
| 6FD1 | CP $0A | Is ERIC on the middle floor? | ||
| 6FD3 | JR Z,$6FE1 | Jump if so | ||
| 6FD5 | CP $03 | Is ERIC on the top floor? | ||
| 6FD7 | JP NZ,$6F39 | Move ERIC one space left if not | ||
| 6FDA | LD A,E | A=ERIC's x-coordinate | ||
| 6FDB | CP $1A | This is the x-coordinate of the top of the stairs leading down from the Revision Library | ||
| 6FDD | JR NZ,$6FD7 | Move ERIC one space left if he's not here | ||
| 6FDF | JR $6FBE | Otherwise move him down a stair | ||
|
ERIC is on the middle floor, facing left.
|
||||
| 6FE1 | LD A,E | A=ERIC's x-coordinate | ||
| 6FE2 | CP $55 | This is the x-coordinate of the top of the stairs leading down to the stage | ||
| 6FE4 | JR Z,$6FBE | Move ERIC down a stair if he's here | ||
| 6FE6 | CP $B7 | This is the x-coordinate of the top of the stairs leading down to the bottom floor in the girls' skool | ||
| 6FE8 | JR $6FDD | Move ERIC down a stair if he's here | ||
|
ERIC is on a staircase.
|
||||
| 6FEA | XOR (HL) | Reset the carry flag if ERIC is facing the wrong way to descend the stairs | ||
| 6FEB | RLA | |||
| 6FEC | JP NC,$6E38 | Turn ERIC round if he's facing the wrong way | ||
| 6FEF | JR $6FBE | Otherwise move him down a stair | ||
| Prev: 6F44 | Up: Map | Next: 6FF1 |