SUBROUTINE WITH PARAMETERS
  LOC  OBJECT CODE    ADDR1 ADDR2  STMT   SOURCE STATEMENT
000000                                2 BLAH     CSECT
000000 05C0                           3          BALR  12,0
                            00002     4          USING *,12
                                      5 * ON ENTRY R1 CONTAINS ADDRESS OF PARAMETER CONTROL BLOCK
000002 5840 1000            00000     6          L     4,0(0,1)
000006 5A40 1004            00004     7          A     4,4(0,1)     R4 NOW CONTAINS THE SUM
00000A 5820 1008            00008     8          L     2,8(0,1)     R2 NOW CONTAINS ADDRESS OF PLACE TO PUT SUM
00000E 5040 2000            00000     9          ST    4,0(0,2)     STORE SUM
000012 07F5                          10          BR    5            BLAH ENDS
                                     11 * END OF YOUR PROGRAM
                                     12          END