Error_code_word_-

 The  fourth  word  in   BADD   for   each   event   is   the
 error_code_word.  Each bit of this word is uniquely assigned
 to an error bank.  If a particular error bank is present  in
 the  event,  the bit of the error_code_word assigned to that
 error bank will be set.  If no error banks  are  present  in
 the event, the error_code_word will be zero.  The purpose of
 the error_code_word is to provide a way of  knowing  quickly
 whether an error bank is present in that event.

 Error_code_word  bits  are  assigned  by  the  author.   The
 following bits have been assigned so far:


       o  Bit 0 Error bank for drift chamber (bank name  DCT)
          TDC data


       o  Bit 1 Error bank for drift chamber raw TDC data

       o  Bit 2 Error bank for drift chamber sorted TDC data

       o  Bit 3 Error bank for drift chamber ADC data

       o  Bit 4 Error bank for drift chamber CAMAC data


 Please  contact  the  author   (SUZ@TRIUMFDC)   to   request
 error_code_word  bits  for new error banks.  The assignments
 of  the  error_code_word  bits  (and  bit-masks)  are   also
 contained      in      the      FORTRAN     include     file
 787SSP:ERROR_BANK_BITS.INC.  An array containing  the  error
 bank names whose index corresponds to the bit assignments is
 also provided.

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