jButton1()

         Indicates if the button 1 of the joystick is pressed

    Syntax:

         jButton1() -> lPush

    Description:

         Indicates if the button 1 of the first joystick on the system is
         pressed or not, returning a logic value.

    Return:

         .T. if it's pressed or .F. if not.

    Example:

         If jButton1()
           Warning ( "Button 1 is down" )
         EndIf