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Routines |
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| Process_PlaceLadderAgainstPlatform | F57B | LD HL,$E3C5 | Call CheckItemGroupPresent with Data_ItemGroup_Ladder. | |
| F57E | CALL CheckItemGroupPresent | |||
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If the version of the ladder which exists in the room is one where it's already been used, print "You've done that already.".
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| F581 | CP $5E | Jump to Response_YouveDoneThatAlready if either of "A ladder,leading upward" or "A ladder,leading down" are in the current room. | ||
| F583 | JP Z,Response_YouveDoneThatAlready | |||
| F586 | CP $5C | |||
| F588 | JP Z,Response_YouveDoneThatAlready | |||
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This doesn't need to happen...
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| F58B | CALL IsPlayerCarryingItem | Call IsPlayerCarryingItem. | ||
| F58E | LD A,$5A | Call Handler_DestroyItemEvent with item 5A: "A ladder". | ||
| F590 | CALL Handler_DestroyItemEvent | |||
| F593 | LD A,$5E | Call Handler_UpdateItemEventCurrentRoom with item 5E: "A ladder,leading upward". | ||
| F595 | CALL Handler_UpdateItemEventCurrentRoom | |||
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The ladder has been used so handle the inventory count.
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| F598 | LD HL,$A790 | Decrease *Count_InventoryItems by one. | ||
| F59B | DEC (HL) | |||
| F59C | LD A,$60 | Write 60 to *E96A. | ||
| F59E | LD ($E96A),A | |||
| F5A1 | LD A,$63 | Write 63 to *E959. | ||
| F5A3 | LD ($E959),A | |||
| F5A6 | LD HL,$A76C | Jump to Response_OK_Duplicate if bit 6 of *Flag_GameStates_01 is set. | ||
| F5A9 | BIT 6,(HL) | |||
| F5AB | JP NZ,Response_OK_Duplicate | |||
| F5AE | SET 6,(HL) | Set bit 6 of *HL which relates to placing the ladder. | ||
| F5B0 | LD A,$04 | Call AddToScore to add 04 points to the score. | ||
| F5B2 | CALL AddToScore | |||
| F5B5 | JP Response_OK_Duplicate | Jump to Response_OK_Duplicate. | ||
| Prev: F544 | Up: Map | Next: F5B8 |