Routines| H | 205 (ALBERT) |
| 62599 | 11F47F | LD DE,32756 | Doors flags |
| 62602 | CD7D62 | CALL 25213 | Collect the next byte (door identifier) from the table of A&P |
| 62605 | EB | EX DE,HL | |
| 62606 | A6 | AND (HL) | |
| 62607 | EB | EX DE,HL | |
| 62608 | 2007 | JR NZ,62617 | Jump if the specified door is open |
| 62610 | 060A | LD B,10 | |
| 62612 | CD7D62 | CALL 25213 | Move along 10 places in the table of A&P |
| 62615 | 10FB | DJNZ 62612 | |
| 62617 | C38C63 | JP 25484 | Move to the next instruction in the table of A&P |