{ This deck describes the format of the communication buffer
{ entry that is used as a trace for the file server ESM driver.
{ This is only provided for documention purpuses, NO cpu program
{ inspects the communication buffer.

  TYPE
    dft$pp_communication = record
      sequence_number: 0 .. 0ffff(16),
      main_loop_address: 0 .. 0ffff(16),
      caller__address: 0 .. 0ffff(16),
      { a_register contains relevant data, for example q index, q entry index
      a_register: 0 .. 0ffff(16),
    recend;

