TITLE ECHO A←1 B←2 ST: CALLI MOVE A,[POINT 7,BUFF] L: INCHRW B IDPB B,A CAIE B,12 JRST L MOVE A,[POINT 7,BUFF] L1: ILDB B,A OUTCHR B CAIE B,12 JRST L1 JRST ST BUFF: BLOCK 200 END ST