The following command displays a summary of the last PC
  instructions executed by CPU 7 and symbolizes the PC values.

  In this example, lines of PAL code are identified by ",PAL Code".

  SDA> OCLA SHOW TRACE/CPU=7/SUM/SYM
  OCLA PC trace information for CPU 07
  ------------------------------------
  CPU 07 has 16384 valid entries
  42 PC values displayed
  0000002c00030358 ,PAL Code
  0000002c0003035c ,PAL Code
  ffffffff81244c94  OCLA$DEBUG+00C94
  ffffffff81244c98  OCLA$DEBUG+00C98
  ffffffff81244c9c  OCLA$DEBUG+00C9C
  ffffffff81244ca0  OCLA$DEBUG+00CA0
  ffffffff81244ca4  OCLA$DEBUG+00CA4
  ffffffff81244ca8  OCLA$DEBUG+00CA8
  ffffffff81244cac  OCLA$DEBUG+00CAC
  ffffffff81244cb0  OCLA$DEBUG+00CB0
  ffffffff81244cd0  OCLA$DEBUG+00CD0
  ffffffff81244cd4  OCLA$DEBUG+00CD4
  ffffffff81244cd8  OCLA$DEBUG+00CD8
  ffffffff81244cdc  OCLA$DEBUG+00CDC
  ffffffff81244ce0  OCLA$DEBUG+00CE0
  ffffffff81244ce4  OCLA$DEBUG+00CE4
  ffffffff81244ce8  OCLA$DEBUG+00CE8
  ...