| 12052 | 0634 00 4 12045 | 5773 | SXA | BFLOC,4 SAVE BUFFER INDEX | ||
| 12057 | 0634 00 0 12045 | 5778 | SXA | BFLOC,0 SET INDEX TO SHOW BUFFER FILLED | ||
| 12077 | 0534 00 4 12045 | 5806 | LXA | BFLOC,4 PUT LAST WORD INTO BOFFO | ||
| 12167 | 0534 00 2 12045 | 5881 | BB2 | LXA | BFLOC,2 LOC OF LAST SIGNIFICAN BUFFER WORD | |
| 12205 | 0634 00 4 12045 | 5895 | SXA | BFLOC,4 BUFFER WORD |