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Unused |
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This routine seems to be involved with the relative positioning of two different entities, assuming that IX contains a complex state data address.
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| 55002 | LD IY,(34258) | Load IY with address of complex state data for entity involved in last collision check | ||
| 55006 | LD A,(IY+7) | Load A with width of this entity, minus one... | ||
| 55009 | SUB (IY+5) | ... | ||
| 55012 | SRL A | Divide result by two, clearing remainder... | ||
| 55014 | DEC A | ...and subtract one | ||
| 55015 | ADD A,(IY+5) | Add x-coordinate of entity's left edge | ||
| 55018 | CP (IX+5) | |||
| 55021 | RET | Return | ||
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