cbm      subroutine cread(jj)
      subroutine cread
c--------------------------------------------------------------------------
      save
c
      include 'param_sz.h'
      include 'var_char.h'
      include 'misccom.h'
      include 'ucom.h'
c
      common/image/jj,ij
c*
c--------------------------------------------------------------------------
      data (bcd(j),j=1,nelem) /
     1 'drift','solenoid','quad','bend','buncher',
     2 'chopper','cell','tank','trwave','coil','run','input','output',
     3 'title','scheff','zout','adjust','start','restart','continue',
     4 'save','end','zlimit','errors','change','rotate','sbload',
     5 'cfield','dpout','cathode','design','pipe','foclal','backb',
     6 'wiggler','alpham','stat','poisson','sextupole'/
      data (efg(j),j=1,nelem) /
     1 'DRIFT','SOLENOID','QUAD','BEND','BUNCHER',
     2 'CHOPPER','CELL','TANK','TRWAVE','COIL','RUN','INPUT','OUTPUT',
     3 'TITLE','SCHEFF','ZOUT','ADJUST','START','RESTART','CONTINUE',
     4 'SAVE','END','ZLIMIT','ERRORS','CHANGE','ROTATE','SBLOAD',
     5 'CFIELD','DPOUT','CATHODE','DESIGN','PIPE','FOCLAL','BACKB',
     6 'WIGGLER','ALPHAM','STAT','POISSON','SEXTUPOLE'/
      data lfnr,nextr/0,1/  ! lfnr look for next run (or end)

      if (jj.eq.100) lfnr=1
   10 continue
      if (nextr.eq.0) go to 20
c   read new data card
      nn=0
      write(nnout,*) ' '
      call card (ip,nl,nr,vv)
      go to 40
c   shift data in vv
   20 continue
      nextr=1
      if(ip.ne.0) write(nnout,11)
   11 format(1x)
      do 30 i=1,nr
      vv(i)=vv(i+nn)
   30 continue
      nn=0
   40 continue
      if (nl.gt.0) go to 50
      if (lfnr) 100,100,10
c         process label
   50 continue
      if (nl.gt.10) nl=10
      write(abc,130)(ij(i),i=1,nl)
c         lukup abc in bcd(jj) to determine jj.
      do 60 jjj=1,nelem
      jj=jjj
      if (abc.eq.bcd(jj)) go to 70
      if (abc.eq.efg(jj)) go to 70
   60 continue
      jj=0
      go to 110
c          lfnr = look for next run (or end).
   70 continue
      write(*,*) ' >>> CREAD: card being processed: ',bcd(jj)
      if (jj.eq.12) then
      endif
      if (jj.eq.22) go to 90 ! end
      if (jj.eq.10) go to 95 ! coil
      if (jj.eq.11) lfnr=0
      if (jj.eq.14) go to 90 ! title
      if (jj.eq.17) go to 95
      if (jj.eq.28) go to 95
      if (jj.eq.33) go to 95
      if (jj.eq.34) go to 95
      if (jj.eq.37) go to 91 ! stat
      if (jj.eq.38) go to 95 ! poisson
      if (jj.eq.40) go to 95 ! pt champ B
      if (lfnr.eq.0) go to 80
      write(nnout, 150) bcd(jj)
      go to 10
c          check for continuation of data
   80 continue
      nn=nn+nr
      call card (ip,nl,nr,vv(nn+1))
      if((nn+nr).gt.100) go to 120
      if (nl.le.0) go to 80
c          data from next card in ij and vv(nn+1)
      nextr=0
      if(jj.ne.11) go to 90
c          process run card
      if(vv(1).ne.0.) irun=vv(1)
      call ddate
      ip=vv(2)
 90   continue
      return
 91   continue
      return
 95   continue
      nn=nr
      return
c          data error messages.
  100 write(nnout, 160)
      lfnr=1
      go to 10
  110 write(nnout, 170) abc
      write(nnout,*) abc
      lfnr=1
      go to 10
  120 write(nnout, 180) abc
      lfnr=1
      go to 10
c          format section.
c
  130 format (10a1)
  140 format (///'   parmela program v4      ',a8,
     1 5x,a10,/,
     2 ' freq=',f9.2,' mhz, z0=',f6.1,' cm, w0=',g12.3,' MeV'/)
  150 format (/4x,a6,2x,5e12.4/(4x,6e12.4))
  160 format (10x,32hdata error - - no label on card.)
  170 format (10x,30hdata error - - cant find word.,10x,a8)
  180 format (10x,32hdata error - - too many numbers.,10x,a8)
      end
c++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*