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Routines |
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Updates an entity of the type 0C in the same way as UpdateSpiderEntity but with a different value to test.
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| UpdateDiscEntity | 9D9D | LD BC,$0018 | Set the value to test to 18. | |||||
| 9DA0 | CALL TestEntityVisible | Call TestEntityVisible. | ||||||
| 9DA3 | JR Z,FreeLinkedEntity | Jump to FreeLinkedEntity if the zero flag is set. | ||||||
| 9DA5 | CALL ProjectEntity | Call ProjectEntity. | ||||||
| 9DA8 | JP UpdateEntity_Done | Jump to UpdateEntity_Done. | ||||||
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This entry point is used by the routine at UpdateSpiderEntity.
Frees an entity, and resets bit 7 of the third byte of the record that field 1A of the entity points to.
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| FreeLinkedEntity | 9DAB | LD (IX+$00),$00 | Set the type of the entity to 00 to free it. | |||||
| 9DAF | LD H,(IX+$1A) | Fetch the first byte of the address of the record from field 1A. | ||||||
| 9DB2 | LD L,(IX+$1B) | Fetch the second byte of the address of the record from field 1B. | ||||||
| 9DB5 | INC HL | Move onto the second byte of the record. | ||||||
| 9DB6 | INC HL | Move onto the third byte of the record. | ||||||
| 9DB7 | RES 7,(HL) | Reset bit 7 of the third byte of the record. | ||||||
| 9DB9 | LD (IX+$01),$80 | Set the frame of the entity to 80 to hide it. | ||||||
| 9DBD | JP UpdateEntity_Done | Jump to UpdateEntity_Done. | ||||||
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