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Reverse Selected

Reverse the order of the selected item on the stack and all items higher (newer). So the selected item swaps places with the x register, next oldest item swaps with the y register, etc.

<subroutine ID="ReverseSelected">

  <ifSelection exists="true">

    <StackBox.LeftArrow/>

    <whileX isSelected="false">

      <StackBox.RollNDown/>

      <StackBox.DownArrow/>

    </whileX>

  </ifSelection>

</subroutine>