CLV                      CLV Clear overflow flag                      CLV

  Operation: 0 -> V                                     N Z C I D V
                                                        . . . . . 0
                                (Ref: 3.6.1)
  +----------------+-----------------------+---------+---------+----------+
  | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
  +----------------+-----------------------+---------+---------+----------+
  |  Implied       |   CLV                 |   $B8   |    1    |    2     |
  +----------------+-----------------------+---------+---------+----------+