{PutPixel.PAS}
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 {Sample code for the PutPixel procedure.}

  uses Crt, Graph;

 var
   Gd, Gm: Integer;
   Color: Word;
 begin
   Gd := Detect;
   InitGraph(Gd, Gm, '');
   if GraphResult <> grOk then
     Halt(1);
   Color := GetMaxColor;
   Randomize;
   repeat
     PutPixel(Random(100), Random(100), Color); { Plot "stars" }
     Delay(10);
   until KeyPressed;
   Readln;
   CloseGraph;
 end.