END
      in$ ="TESTPAGE."
      out$="TESTPAGE.txt"
      in% =OPENIN(in$)
      out%=OPENOUT(out$)
      mask%=127
      width%=20
      REPEAT
        n%=0
        BPUT#out%,"DEFB ";
        REPEAT
          byte%=BGET#in%
          IF byte%>159 THEN byte%=byte% AND mask%
          BPUT#out%,"#"+RIGHT$("0"+STR$~byte%,2)+",";
          n%=n%+1
        UNTIL n=width% OR EOF#in%
        PTR#out%=PTR#out%-1
        BPUT#out%,10
      UNTIL EOF#in%
      CLOSE#out%
      CLOSE#in%