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Routines |
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Used by the routine at DrawLevelObjects.
Finds the position of a cell around the player by adding an offset from the table at CellOffsets to the position of the player in 23779 and 23781, and stores the result in CellPosition.
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| GetCellPosition | 47887 | LD HL,47710 | Point HL at CellOffsets. | |||||
| 47890 | LD B,0 | B is 0. | ||||||
| 47892 | ADD HL,BC | HL takes BC. | ||||||
| 47893 | LD A,(23779) | Read the byte at 23779. | ||||||
| 47896 | ADD A,(HL) | Add the byte at the address in HL. | ||||||
| 47897 | LD E,A | A moves into E. | ||||||
| 47898 | INC HL | Advance HL. | ||||||
| 47899 | LD A,(23781) | Read the byte at 23781. | ||||||
| 47902 | ADD A,(HL) | Add the byte at the address in HL. | ||||||
| 47903 | LD D,A | A moves into D. | ||||||
| 47904 | EX DE,HL | Exchange DE and HL. | ||||||
| 47905 | LD (23737),HL | Write HL at CellPosition. | ||||||
| 47908 | RET | Return. | ||||||
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