Writes a new record to a file.
For sequential files, it can also be used for vertical positioning of lines in a logical page.
| Opcode | Operation | File Types | 
|---|---|---|
| E1 | WRITE BEFORE | L S | 
| E2 | WRITE AFTER | L S | 
| E3 | WRITE BEFORE TAB | L S | 
| E4 | WRITE AFTER TAB | L S | 
| E5 | WRITE BEFORE PAGE | L S | 
| E6 | WRITE AFTER PAGE | L S | 
| EC | WRITE BEFORE mnemonic-name | S | 
| ED | WRITE AFTER mnemonic-name | S | 
| F3 | WRITE | L S R I | 
Input Fields:
| cfd-relative-key | Relative record number (R) | 
| fcd-current-rec-len | Current record length | 
| fcd-line-count | Line count (WRITE only) (S) | 
| fcd-record-address | Pointer to the record area | 
Output Fields:
| fcd-file-status | File status | 
| fcd-reladdr-offset or fcd-reladdr-big | Relative byte address |