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CLTS              Clear Task Switched Flag (286/386) Flags: O D I T S Z A P C

CLTS

           Logic:          Task Switched Flag in MSW . 0 (286)
                           Task Switched Flag in CR0 . 0 (386)

    Whenever a task switch occurs in the 286 or 386, the task switched
    flag is set to 1. This instruction clears the task switched flag in
    the Machine Status Word (MSW) of the 286, or in the CR0 register of
    the 386.

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   Operands                   Clocks   Transfers  Bytes  Example
   CLTS                       2 (286)      -        2    CLTS
  --------------------------------------------------------------------------

        Note:          You can only use this instruction at privilege
                       level 0.