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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 5CE3 and 5CE5, and stores the result in CellPosition.
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| GetCellPosition | BB0F | LD HL,$BA5E | Point HL at CellOffsets. | |||||
| BB12 | LD B,$00 | B is 00. | ||||||
| BB14 | ADD HL,BC | HL takes BC. | ||||||
| BB15 | LD A,($5CE3) | Read the byte at 5CE3. | ||||||
| BB18 | ADD A,(HL) | Add the byte at the address in HL. | ||||||
| BB19 | LD E,A | A moves into E. | ||||||
| BB1A | INC HL | Advance HL. | ||||||
| BB1B | LD A,($5CE5) | Read the byte at 5CE5. | ||||||
| BB1E | ADD A,(HL) | Add the byte at the address in HL. | ||||||
| BB1F | LD D,A | A moves into D. | ||||||
| BB20 | EX DE,HL | Exchange DE and HL. | ||||||
| BB21 | LD ($5CB9),HL | Write HL at CellPosition. | ||||||
| BB24 | RET | Return. | ||||||
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