% Psychtoolbox:PsychHardware:PsychGamepad.
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%   help Psychtoolbox % For an overview, triple-click me & hit enter.
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%     Gamepad             - Read any USB game controller
%     AxisCenter          - Return a constant for the axis center position, 0.
%     AxisDown            - Return a constant for the axis in the extreme down position, 32767.
%     AxisLeft            - Return the value for axis in extreme left position, -32768.
%     AxisMax             - Returns the maximum value for an axis, 32767.
%     AxisMin             - Returns the minimum value for an axis, -32768.
%     AxisRight           - Returns the value for an axis in the extreme right position, 32767
%     AxisUp              - Returns a constant for the axis in the extreme up position, -32768
%     HatCenter           - Return a constant for hat center position. 
%     HatUp               - Return a constant for hat up position.
%     HatRight            - Return a constant for hat right position.
%     HatDown             - Return a constant for hat down position.
%     HatLeft             - Return a constant for hat left position
%     HatRightUp          - Return a constant for hat right and up position
%     HatRightDown        - Return a constant for hat right and down position
%     HatLeftUp           - Return a constant for hat left and up position
%     HatLeftDown         - Return a constant for the hat left and down position