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Pascal/Delphi Source File  |  1993-03-21  |  277b  |  22 lines
  1. program alert;
  2.  
  3. uses crt;
  4.  
  5. var
  6. varies : integer;
  7. dummy : char;
  8.  
  9. begin
  10. writeln('Press a key, please...');
  11. repeat
  12. varies := 262;
  13. while varies <= 524 do
  14. begin
  15. sound(varies);
  16. delay(2);
  17. varies := varies + 1;
  18. end;
  19. until keypressed;
  20. nosound;
  21. dummy := readkey
  22. end.