Provides a basis for logical positioning in a relative or indexed file, for subsequent retrieval of records.
| Opcode | Operation | File Types |
|---|---|---|
| E8 | START equal to full length prime key | R I |
| E9 | START equal to (any key/record number) | R I |
| EA | START greater than (>) | R I |
| EB | START not less than (>=) | R I |
| FE | START less than (<) | R I |
| FF | START less than or equal to (<=) | R I |
Input Fields:
| fcd-relative key | Relative record number (R) |
| fcd-key id | Key identifier (I) |
| fcd-key-length | Effective key length (I) |
| fcd-record-address | Pointer to the record area |
Output Fields:
| fcd-file status | File status |