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STRIG - a device I/O function that returns the status of a
        specified joystick trigger
Syntax
  STRIG(n)
    ■ n, a numeric expression that has an integer value between 0 and 7,
      indicates what type of information you want returned by the function:
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Argument  Button   Joystick   Value Returned
0         lower    A          -1 = pressed since last STRIG(0) call, 0 = not
1         lower    A          -1 = currently down, 0 = not
2         lower    B          -1 = pressed since last STRIG(2) call, 0 = not
3         lower    B          -1 = currently down, 0 = not
4         upper    A          -1 = pressed since last STRIG(4) call, 0 = not
5         upper    A          -1 = currently down, 0 = not
6         upper    B          -1 = pressed since last STRIG(6) call, 0 = not
7         upper    B          -1 = currently down, 0 = not
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See Also  ◄ON STRIG(n)►  ◄STRIG statements►