Routines| 64460 | 21ED7F | LD HL,32749 | |
| 64463 | CB76 | BIT 6,(HL) | Has ERIC already started falling? |
| 64465 | 202E | JR NZ,64513 | Jump if so |
| 64467 | 26D2 | LD H,210 | 210=ERIC |
| 64469 | CDB461 | CALL 25012 | Update SRB for ERIC's current animatory state and location |
| 64472 | E680 | AND 128 |
| 64474 | 47 | LD B,A | Now B=0 (or 2) if ERIC's facing left, 128 (or 130) if facing right |
| 64475 | 7A | LD A,D | A=ERIC's y-coordinate |
| 64476 | FE11 | CP 17 | Is ERIC on the bottom floor? |
| 64478 | 2002 | JR NZ,64482 | Jump if not |
| 64480 | 15 | DEC D | |
| 64481 | 3D | DEC A | |
| 64482 | C604 | ADD A,4 | |
| 64484 | D607 | SUB 7 | |
| 64486 | 30FC | JR NC,64484 | |
| 64488 | C6A6 | ADD A,166 | Now A=159+(y–3)%7 if x<17, or 165 if y=17 (where y is ERIC's y-coordinate) |
| 64490 | F5 | PUSH AF | |
| 64491 | 3E05 | LD A,5 | |
| 64493 | 80 | ADD A,B | Now A=animatory state of ERIC sitting on floor or with arm up (5/133, or 7/135) |
| 64494 | CD3061 | CALL 24880 | Update SRB for the new animatory state and location of ERIC |
| 64497 | F1 | POP AF | |
| 64498 | 67 | LD H,A | H=value corresponding to ERIC's y-coordinate (159-165) |
| 64499 | 2EFC | LD L,252 |
| 64501 | 22D77F | LD (32727),HL | |
| 64504 | 21ED7F | LD HL,32749 | |
| 64507 | 3650 | LD (HL),80 | Set bits 4 and 6 at 32749 |
| 64509 | 2EF3 | LD L,243 | HL=32755 |
| 64511 | 3607 | LD (HL),7 | |
| 64513 | 2EF3 | LD L,243 | HL=32755 |
| 64515 | 35 | DEC (HL) | Is it time to deal with ERIC yet? |
| 64516 | C0 | RET NZ | Return if not |
| 64517 | 3603 | LD (HL),3 | |
| 64519 | 2ED8 | LD L,216 | HL=32728 |
| 64521 | 34 | INC (HL) | |
| 64522 | 56 | LD D,(HL) | |
| 64523 | 2D | DEC L | |
| 64524 | 5E | LD E,(HL) | DE=address stored at 32727 |
| 64525 | 1A | LD A,(DE) | |
| 64526 | A7 | AND A | Has ERIC landed yet? |
| 64527 | 2011 | JR NZ,64546 | Jump if not |
| 64529 | 2EFB | LD L,251 | HL=32763 |
| 64531 | 14 | INC D | |
| 64532 | 1A | LD A,(DE) | |
| 64533 | 77 | LD (HL),A | |
| 64534 | 14 | INC D | |
| 64535 | 1A | LD A,(DE) | |
| 64536 | 2EED | LD L,237 | HL=32749 |
| 64538 | 77 | LD (HL),A | |
| 64539 | A7 | AND A | Did ERIC jump from the top floor window? |
| 64540 | C432F5 | CALL NZ,62770 | Set WACKER on his way to expel ERIC if so |
| 64543 | C3C3F2 | JP 62147 | Make sound effect for ERIC's descent |
| 64546 | F5 | PUSH AF | |
| 64547 | 26D2 | LD H,210 | 210=ERIC |
| 64549 | CDB461 | CALL 25012 | Update SRB for ERIC's current animatory state and location |
| 64552 | E680 | AND 128 | |
| 64554 | 47 | LD B,A | Now B=0 if ERIC's facing left, 128 if facing right |
| 64555 | F1 | POP AF | |
| 64556 | 4F | LD C,A | |
| 64557 | C3005D | JP 23808 | The routine continues at 23808 |
| Bit(s) | Meaning |
| 0-3 | Next animatory state for ERIC |
| 4 | If set, move backwards one space |
| 5 | If set, move forwards one space |
| 6 | If set, descend one level |
| 7 | If set, ascend one level |
| E=252 (normal descent) | |||
| D | DE | (DE) | Meaning |
| 160 | 41212 | 69 | Animatory state 5 or 133; descend |
| 161 | 41468 | 69 | Animatory state 5 or 133; descend |
| 162 | 41724 | 69 | Animatory state 5 or 133; descend |
| 163 | 41980 | 69 | Animatory state 5 or 133; descend |
| 164 | 42236 | 69 | Animatory state 5 or 133; descend |
| 165 | 42492 | 69 | Animatory state 5 or 133; descend |
| 166 | 42748 | 69 | Animatory state 5 or 133; descend |
| 167 | 43004 | 0 | ERIC has landed |
| 168 | 43260 | 4 | Set bit 2 at 32763 (ERIC is sitting) |
| 169 | 43516 | 0 | Reset all bits at 32749 (ERIC landed safely) |
| E=253 (flight over closed skool gate) | |||
| D | DE | (DE) | Meaning |
| 160 | 41213 | 160 | Animatory state 0 or 128; ascend; move forward |
| 161 | 41469 | 160 | Animatory state 0 or 128; ascend; move forward |
| 162 | 41725 | 160 | Animatory state 0 or 128; ascend; move forward |
| 163 | 41981 | 96 | Animatory state 0 or 128; descend; move forward |
| 164 | 42237 | 100 | Animatory state 4 or 132; descend; move forward |
| 165 | 42493 | 37 | Animatory state 5 or 133; move forward |
| 166 | 42749 | 69 | Animatory state 5 or 133; descend |
| 167 | 43005 | 69 | Animatory state 5 or 133; descend |
| 168 | 43261 | 0 | ERIC has landed |
| 169 | 43517 | 4 | Set bit 2 at 32763 (ERIC is sitting) |
| 170 | 43773 | 0 | Reset all bits at 32749 (ERIC landed safely) |
| E=254 (flight from bike saddle into wall or closed door) | |||
| D | DE | (DE) | Meaning |
| 160 | 41214 | 160 | Animatory state 0 or 128; ascend; move forward |
| 161 | 41470 | 160 | Animatory state 0 or 128; ascend; move forward |
| 162 | 41726 | 2 | Animatory state 2 or 130; ascend |
| 163 | 41982 | 64 | Animatory state 0 or 128; descend |
| 164 | 42238 | 64 | Animatory state 0 or 128; descend |
| 165 | 42494 | 64 | Animatory state 0 or 128; descend |
| 166 | 42750 | 22 | Animatory state 6 or 134; move backwards |
| 167 | 43006 | 0 | ERIC has landed |
| 168 | 43262 | 4 | Set bit 2 at 32763 (ERIC is sitting) |
| 169 | 43518 | 0 | Reset all bits at 32749 (ERIC landed safely) |
| E=255 (descent from top floor window) | |||
| D | DE | (DE) | Meaning |
| 160 | 41215 | 96 | Animatory state 0 or 128; descend; move forwards |
| 161 | 41471 | 96 | Animatory state 0 or 128; descend; move forwards |
| 162 | 41727 | 96 | Animatory state 0 or 128; descend; move forwards |
| 163 | 41983 | 96 | Animatory state 0 or 128; descend; move forwards |
| 164 | 42239 | 64 | Animatory state 0 or 128; descend |
| 165 | 42495 | 64 | Animatory state 0 or 128; descend |
| 166 | 42751 | 64 | Animatory state 0 or 128; descend |
| 167 | 43007 | 64 | Animatory state 0 or 128; descend |
| 168 | 43263 | 64 | Animatory state 0 or 128; descend |
| 169 | 43519 | 64 | Animatory state 0 or 128; descend |
| 170 | 43775 | 68 | Animatory state 4 or 132; descend |
| 171 | 44031 | 68 | Animatory state 4 or 132; descend |
| 172 | 44287 | 68 | Animatory state 4 or 132; descend |
| 173 | 44543 | 5 | Animatory state 5 or 133 |
| 174 | 44799 | 69 | Animatory state 5 or 133; descend |
| 175 | 45055 | 69 | Animatory state 5 or 133; descend |
| 176 | 45311 | 69 | Animatory state 5 or 133; descend |
| 177 | 45567 | 70 | Animatory state 6 or 134; descend |
| 178 | 45823 | 0 | ERIC has landed |
| 179 | 46079 | 64 | Set bit 6 at 32763 (MR WACKER should expel ERIC) |
| 180 | 46335 | 32 | Set bit 5 at 32749 (ERIC fell out of top floor window) |