|
Routines |
| Prev: 6D32 | Up: Map | Next: 6D7D |
|
Used by the routine at 7D3E. Returns with the carry flag set if there is an adult nearby who can see ERIC, and A holding the adult's character number. Otherwise returns with the carry flag reset and A holding 0.
|
||||
| 6D62 | LD H,$D2 | 0xD2=ERIC | ||
|
This entry point is used by the routines at 775B (with H=0xCE: BOY WANDER) and 77F2 (with H=0xCF: ANGELFACE).
|
||||
| 6D64 | CALL $6CEE | Collect in C and B the lower and upper x-coordinates of the 'visibility region' (20 character spaces wide) around the boy | ||
| 6D67 | EXX | |||
| 6D68 | LD H,$C8 | 0xC8=MR WACKER | ||
| 6D6A | LD B,$06 | There are 6 adult characters | ||
| 6D6C | EXX | |||
| 6D6D | CALL $6D32 | Find the first adult character inside the visibility region (if any) | ||
| 6D70 | JR C,$6D79 | Jump if we found one who can see the boy | ||
| 6D72 | AND A | Are there any adult characters left to check? | ||
| 6D73 | RET Z | Return with the carry flag reset if not | ||
| 6D74 | CALL $6D4C | We must have found an adult character who is facing the wrong way to see the boy; skip this character and find the next one inside the visibility region | ||
| 6D77 | JR NC,$6D72 | Jump if there are no others inside the visibility region, or we found another one facing the wrong way | ||
|
We found an adult character inside the visibility region and facing the right way to see the boy.
|
||||
| 6D79 | EXX | |||
| 6D7A | LD A,H | A=character number of the adult who saw the boy | ||
| 6D7B | EXX | |||
| 6D7C | RET | Return with the carry flag set | ||
| Prev: 6D32 | Up: Map | Next: 6D7D |