public Interpreter(String fileName, boolean debugMode) {
        CodeTable.init();
        if (debugMode) {
            CodeTable.debuggerInit();
        }
        try {
            if (debugMode) {
                bcl = new ByteCodeLoader(fileName + ".x.cod");
                loadSourceLines(fileName);
            } else {
                bcl = new ByteCodeLoader(fileName);
            }
        } catch (IOException e) {
            System.out.println("**** " + e);
        }
    }