PSET                     Draw Point on Screen

 PSET [STEP] (x,y) [,color]

    Plots a point at a specified screen location.

        STEP    If included, coordinates are relative to last graphics
                point referenced. If omitted, coordinates are absolute.

         x,y    Screen coordinates.

       color    Specifies the attribute of the point to be plotted. If
                color is omitted, the point is plotted in the current
                foreground color.

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      Notes:    PRESET is exactly the same statement, except that it plots
                by default in the background color.