テキストエリアを書き換えて実行すると絵が変化します

<APPLET CODE="GDView0.class" WIDTH=560 HEIGHT=560> <param name=command0 value="read hajime"> <param name=hajime value=" set O 0 0; color 255 255 255;fcircle O 20; set A 2 0;set J 3 0;copy AAAJ BDFK; kaiten OD 220;kaiten OAF 30;kaiten OK 90; kaiten OB -30;kaiten JF -120; move OABDFJK -1.5 0; set C en_line OA DF 0;set E en_line JA FD 0; color 128 128 255;line_inf OJ OK; color 0 0 0;circle OA;circle JA;dline EC; color 0 0 255;line AD EB CF; color 0 255 255;line DE BC FA; color 255 0 0;point ABCDEFOJ; kigou BA a AB b OD d DF f BE e BC c AO 0 AJ q; "> </APPLET>