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function Integer OutComPort (
integer port,string str)
Description:
does output to specified port
Parameters:
port internal number of port
str out string 
global
procedure OpenCashDrawer()
BEGIN
  String 20 CashBox;
  Integer Error;

  CashBox = chr(27) & chr(112) & chr(0);
  Error = OpenComPort(1,"LPT1",9600,0,8,0);
  Error = OutComPort(1,CashBox);
  Error = CloseComPort(1);
  RETURN;
END;
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