Table 66

+=====-========-========-========-========-========-========-========-========+  
|  Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    | 
|Byte |        |        |        |        |        |        |        |        | 
|=====+========+========+========+========+========+==========================| 
| 15  |  SKSV  |  C/D   |Reserved|Reserved|  BPV   |    Bit pointer           | 
|-----+-----------------------------------------------------------------------| 
| 16  | (MSB)                                                                 | 
|-----+---                        Field pointer                            ---| 
| 17  |                                                                 (LSB) | 
+=============================================================================+