INTEGER FUNCTION ACOMP (NXX1, NXX2)   
      INTEGER     NXX1, NXX2
    
      INTEGER     NSIZE,  NAME(16), NTITLE  
      INTEGER     NFLAGS (512)  
      INTEGER     NADDRS (512)  
      INTEGER     NPOSIT (512)  
      INTEGER     NDATA  (512)  
      INTEGER     NTEXTX (512)  
      INTEGER     NTEXT  (1000) 
      INTEGER     NLX, NLSTRT, NLSTOP   
      INTEGER     TXSTRT, TXSTOP
      INTEGER     NTXBTS
      INTEGER     USEBIT, COMBIT, OVLBIT, EPTBIT
      INTEGER     LDMBIT, MODBIT, MLTBIT, RLSBIT
      INTEGER     GDFBIT, TYPBTS
      INTEGER     ATYPE 
      INTEGER      ICLP07   
      LOGICAL     OLDNAM
      COMMON      /NTABLE/ NSIZE, NAME, NTITLE  
      COMMON      /NTABLE/ NFLAGS, NADDRS, NPOSIT, NDATA, NTEXTX
      COMMON      /NTABLE/ NTEXT
      COMMON      /NTABLE/ NLX, NLSTRT, NLSTOP  
      COMMON      /NTABLE/ TXSTRT, TXSTOP   
      COMMON      /NTABLE/ NTXBTS   
      COMMON      /NTABLE/ USEBIT, COMBIT, OVLBIT, EPTBIT   
      COMMON      /NTABLE/ LDMBIT, MODBIT, MLTBIT, RLSBIT   
      COMMON      /NTABLE/ GDFBIT, TYPBTS   
      COMMON      /NTABLE/ ATYPE
      COMMON      /NTABLE/ ICLP07   
      COMMON      /NTABLE/ OLDNAM   
    
      INTEGER     ECODE 
      INTEGER     CMCHAN
      INTEGER     RBCHAN
      INTEGER     OBCHAN
      INTEGER     MPCHAN
      INTEGER     DBCHAN
      INTEGER     TTYIN 
      INTEGER     TTYOUT
      COMMON      /IODEFN/ ECODE
      COMMON      /IODEFN/ CMCHAN   
      COMMON      /IODEFN/ RBCHAN   
      COMMON      /IODEFN/ OBCHAN   
      COMMON      /IODEFN/ MPCHAN   
      COMMON      /IODEFN/ DBCHAN   
      COMMON      /IODEFN/ TTYIN
      COMMON      /IODEFN/ TTYOUT   
      INTEGER     GCHAR 
      INTEGER     SLIMIT
      INTEGER     NX1, NSZ1, NX2, NSZ2, I   
C     WRITE (DBCHAN, 1) 
C    1FORMAT (' ENTER ACOMP')   
      ACOMP = -1
      IF (.NOT. ((NXX1.GT.0).AND.(NXX2.GT.0)))GO TO 13016   
    
      NX1 = NTEXTX (NXX1)   
      NSZ1 = IAND (NFLAGS(NXX1), NTXBTS)
      NX2 = NTEXTX (NXX2)   
      NSZ2 = IAND (NFLAGS(NXX2), NTXBTS)
      IF (.NOT. ((NSZ1.GT.0).AND.(NSZ2.GT.0)))GO TO 13018   
    
      SLIMIT = 2 * NSZ1 
      IF (NSZ2.LT.NSZ2) SLIMIT = 2 * NSZ2   
      DO  13020 I = 1, SLIMIT   
      ACOMP = GCHAR (NTEXT(NX1),I) - GCHAR (NTEXT(NX2),I)   
      IF (.NOT. (ACOMP.NE.0))GO TO 13022
    
      GO TO 13021   
    
13022 CONTINUE  
    
13020 CONTINUE  
13021 CONTINUE  
    
13018 CONTINUE  
    
13016 CONTINUE  
    
C     WRITE (DBCHAN, 2) 
C    2FORMAT (' EXIT ACOMP')
      RETURN
      END