Introduction    Mouse
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 rButtons()      Returns number of buttons
 rColors()       Establishs the mouse cursor color
 rCursorOff()    Disables mouse cursor display
 rCursorOn()     Enables mouse cursor display
 rClick()        Returns button press state
 rGetPosX()      Returns horizontal cursor coordinate
 rGetPosY()      Returns vertical cursor coordinate
 rHardCur()      Defines hardware text cursor
 rInArea()       Determines if the mouse is on a zone of the screen
 rInkey()        Does the same that Inkey() but take care of mouse
 rInkey2()       Does the same that Inkey() but take care of mouse & Setkey()
 rIsMouse()      Indicates if the system has mouse
 rLeft()         Determines if the left button is pressed
 rReset()        Resets mouse driver
 rRight()        Determines if the right button is pressed
 rSensHor()      Defines the number of mickeys per 8 pixels horizontally
 rSensVer()      Defines the number of mickeys per 8 pixels vertically
 rSetArea()      Indicates the zone where could be the mouse
 rSetPos()       Changes the mouse cursor position
 rSoftCur()      Defines software text cursor