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Routines |
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This is the common end of the previous three routines.
Used by the routines at action_red_key and action_yellow_key.
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| action_key | B4B8 | PUSH AF | Preserve the room number while we get the nearest door | |||||
| B4B9 | CALL get_nearest_door | Return the nearest door in range of the hero in HL | ||||||
| B4BC | POP BC | Restore the room number | ||||||
| B4BD | RET NZ | Return if no door was nearby | ||||||
| B4BE | LD A,(HL) | Fetch door index + flag | ||||||
| B4BF | AND $7F | Mask off door_LOCKED flag to get door index alone | ||||||
| B4C1 | CP B | Are they equal? | ||||||
| B4C2 | LD B,$07 | Set B to message_INCORRECT_KEY irrespectively | ||||||
| B4C4 | JR NZ,action_key_0 | Jump if not equal | ||||||
| B4C6 | RES 7,(HL) | Unlock the door by resetting door_LOCKED ($80) | ||||||
| B4C8 | CALL increase_morale_by_10_score_by_50 | Increase morale by 10, score by 50 | ||||||
| B4CB | LD B,$06 | Set B to message_IT_IS_OPEN | ||||||
| action_key_0 | B4CD | JP queue_message | Queue the message identified by B | |||||
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