Plot                     Draws a Point on the Screen

 Plot(X,Y,Color : Integer);                                              [TP]

    Draws a point on the screen at pixel location (X,Y) in the indicated
    color.

             X,Y    Integer values; coordinates (column, row) of point in
                    pixels.

           Color    Integer value; color to use (0..3 in GraphMode and
                    GraphColorMode; 0..1 in HiRes).

  -------------------------------- Example ---------------------------------

           GraphMode;               { select 320 x 200 mode }
           Plot(160,100,3);         { draw dot w/color #3 }
           Readln;                  { pause }
           Plot(160,100,0);         { erase dot }