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Routines |
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Used by the routine at 62120. Updates the play area graphics and screen refresh buffer (SRB) for a door so that it appears open.
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| 63437 | PUSH HL | Save the address of the door status flags | ||
| 63438 | LD A,L | A=240-249 | ||
| 63439 | SUB 70 | Point HL at the door knock status flags for the door (see 32682) | ||
| 63441 | LD L,A | |||
| 63442 | LD A,(HL) | Reset the door knock status flags | ||
| 63443 | AND 63 | |||
| 63445 | LD (HL),A | |||
| 63446 | POP HL | Restore the address of the door status flags to HL | ||
| 63447 | JP 61696 | Update the play area graphics and the SRB for the door | ||
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