|
Routines |
| Prev: 6F2C | Up: Map | Next: 6FA0 |
| 6F44 | CALL $6E50 | Check whether ERIC is on a staircase | ||
| 6F47 | LD L,$00 | Point HL at byte 0x00 of ERIC's buffer | ||
| 6F49 | JR C,$6F99 | Jump if ERIC's on a staircase | ||
| 6F4B | BIT 7,(HL) | Check the 'direction' bit of ERIC's animatory state | ||
| 6F4D | LD A,D | A=ERIC's y-coordinate | ||
| 6F4E | JR Z,$6F7C | Jump if ERIC's facing left | ||
| 6F50 | CP $0A | Is ERIC on the middle floor? | ||
| 6F52 | JR Z,$6F77 | Jump if so | ||
| 6F54 | CP $0E | Is ERIC on the assembly hall stage? | ||
| 6F56 | JR Z,$6F72 | Jump if so | ||
| 6F58 | CP $11 | Is ERIC on the bottom floor? | ||
| 6F5A | JP NZ,$6F21 | Move ERIC one space to the right if not | ||
| 6F5D | LD A,E | A=ERIC's x-coordinate | ||
| 6F5E | CP $B0 | This is the x-coordinate of the bottom of the stairs leading up to the middle floor of the girls' skool | ||
| 6F60 | JR NZ,$6F5A | Jump if ERIC is not at that point | ||
|
This entry point is used by the routines at 6E9B, 6F14 and 6F2C.
|
||||
| 6F62 | DEC D | Up a stair | ||
| 6F63 | LD B,D | B=ERIC's post-midstride y-coordinate | ||
|
This entry point is used by the routine at 6FA0.
|
||||
| 6F64 | LD A,($D200) | A=ERIC's animatory state | ||
| 6F67 | LD C,E | C=ERIC's current x-coordinate | ||
| 6F68 | BIT 7,A | Is ERIC facing left? | ||
| 6F6A | JR Z,$6F6E | Jump if so | ||
| 6F6C | INC C | |||
| 6F6D | INC C | |||
| 6F6E | DEC C | C=ERIC's post-midstride x-coordinate | ||
| 6F6F | JP $6DD2 | Put ERIC midstride | ||
|
ERIC is on the assembly hall stage, facing right.
|
||||
| 6F72 | LD A,E | A=ERIC's x-coordinate | ||
| 6F73 | CP $51 | This is the x-coordinate of the bottom of the stairs leading up from the stage to the middle floor | ||
| 6F75 | JR $6F60 | Move ERIC up a stair if he's here | ||
|
ERIC is on the middle floor, facing right.
|
||||
| 6F77 | LD A,E | A=ERIC's x-coordinate | ||
| 6F78 | CP $13 | This is the x-coordinate of the bottom of the stairs leading up to the Revision Library | ||
| 6F7A | JR $6F60 | Move ERIC up a stair if he's here | ||
|
ERIC is facing left.
|
||||
| 6F7C | CP $0A | Is ERIC on the middle floor? | ||
| 6F7E | JR NZ,$6F8C | Jump if not | ||
| 6F80 | LD A,E | A=ERIC's x-coordinate | ||
| 6F81 | CP $5B | This is the x-coordinate of the bottom of the stairs leading up to the head's study | ||
| 6F83 | JR Z,$6F62 | Move ERIC up a stair if he's here | ||
| 6F85 | CP $BA | This is the x-coordinate of the bottom of the stairs leading up to the top floor of the girls' skool | ||
| 6F87 | JP NZ,$6F39 | Move ERIC one space left if he's not here | ||
| 6F8A | JR $6F62 | Otherwise move him up a stair | ||
| 6F8C | CP $11 | Is ERIC on the bottom floor? | ||
| 6F8E | JR NZ,$6F87 | Jump if not | ||
| 6F90 | LD A,E | A=ERIC's x-coordinate | ||
| 6F91 | CP $16 | 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 | ||
| 6F93 | JR Z,$6F62 | Move ERIC up a stair if he's here | ||
| 6F95 | CP $53 | This is the x-coordinate of the bottom of the stairs leading up to the assembly hall stage | ||
| 6F97 | JR $6F87 | Move ERIC up a stair if he's here | ||
|
ERIC is on a staircase.
|
||||
| 6F99 | XOR (HL) | Set the carry flag if ERIC is facing the wrong way to ascend the stairs | ||
| 6F9A | RLA | |||
| 6F9B | JP C,$6E38 | Turn ERIC round if he's facing the wrong way | ||
| 6F9E | JR $6F62 | Make ERIC go up a stair otherwise | ||
| Prev: 6F2C | Up: Map | Next: 6FA0 |