Table 137

+=====-========-========-========-========-========-========-========-========+ 
|  Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    | 
|Byte |        |        |        |        |        |        |        |        | 
|=====+=======================================================================| 
| 0   | (MSB)                                                                 | 
|- - -+---                        Logical record length                    ---| 
| 3   |                                                                 (LSB) | 
|-----+-----------------------------------------------------------------------| 
| 4   | (MSB)                                                                 | 
|- - -+---                        First record offset                      ---| 
| 7   |                                                                 (LSB) | 
|-----+-----------------------------------------------------------------------| 
| 8   | (MSB)                                                                 | 
|- - -+---                        Number of records                        ---| 
| 11  |                                                                 (LSB) | 
|-----+-----------------------------------------------------------------------| 
| 12  | (MSB)                                                                 | 
|-----+---                        Search argument length                   ---| 
| 13  |                                                                 (LSB) | 
|=====+=======================================================================| 
|     |                        Search argument descriptor(s)                  | 
|=====+=======================================================================| 
| 0   | (MSB)                                                                 | 
|- - -+---                        Displacement                             ---| 
| 3   |                                                                 (LSB) | 
|-----+-----------------------------------------------------------------------| 
| 4   | (MSB)                                                                 | 
|-----+---                        Pattern length                           ---| 
| 5   |                                                                 (LSB) | 
|-----+-----------------------------------------------------------------------| 
| 6   |                                                                       | 
|-----+---                        Pattern                                  ---| 
| n   |                                                                       | 
+=============================================================================+