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Routines |
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Used by the routine at PrepareEntityItem.
Tests the entity in IX against each of the 20-byte records in the table at Records that has not already been marked, using TestRecordOverlap.
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| TestRecordsAgainstEntity | 45772 | LD A,(48118) | Read how many records there are. | |||||
| 45775 | AND A | Return when there are none. | ||||||
| 45776 | RET Z | |||||||
| 45777 | PUSH IY | Remember the record that was in use. | ||||||
| 45779 | LD IY,48119 | Start at the first record. | ||||||
| TestRecordsAgainstEntity_Loop | 45783 | PUSH AF | Remember how many records remain. | |||||
| 45784 | BIT 7,(IY+10) | Test the overlap when bit 7 of byte 10 is clear. | ||||||
| 45788 | CALL Z,TestRecordOverlap | |||||||
| 45791 | LD DE,20 | Step on to the next record. | ||||||
| 45794 | ADD IY,DE | |||||||
| 45796 | POP AF | Repeat for the remaining records. | ||||||
| 45797 | DEC A | |||||||
| 45798 | JR NZ,TestRecordsAgainstEntity_Loop | |||||||
| 45800 | POP IY | Restore the record that was in use. | ||||||
| 45802 | RET | Return. | ||||||
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