*DECK NPHECP
USETEXT NIPDEF
USETEXT BACKBUF 
USETEXT NBT 
USETEXT PT
USETEXT PARAMP
USETEXT NHEADER 
USETEXT NCNT
USETEXT PCNB
USETEXT DRHDR 
USETEXT SUPMSG
PRGM NPHECP;
STARTIMS; 
 #
*1DC  NPHECP
* 
* 
*     1. PROC NAME           AUTHOR              DATE 
*        NPHECP             A. BEN-ARTZI        82/09/14
* 
*     2. FUNCTIONAL DESCRIPTION 
*        PROCESS HE/CP FROM PIP 
* 
*     3. METHOD USED
*        CLEAR NBT DOWN LINE BLOCKS QUEUED
* 
*     4. ENTRY PARAMETERS 
*        PARAMP1 - SM BUFFER (HE/CP)
* 
*     5. EXIT PARAMETERS
*        PARAMP2 - IF NON-ZERO THEN BAD BLOCK 
* 
*     6. SYMPL TEXTS USED 
*        NIPDEF 
*        BACKBUF             SPECIAL BUFFER FOR DOWNLINE BACKS
*        NBT
*        SUPMSG     PARAMP     OPSIZE 
*        NHEADER             DRHDR
* 
*     7. ROUTINES CALLED
*        XTRACE - TRACE PROCEDURE CALL
*        OMSG   - SEND MESSAGE TO DAYFILE 
*        MSETIL - SET INTERLOCK TO PIP
*        MCLRIL - CLEAR PIP INTERLOCK 
*        OCTCON - CONVERT TO OCTAL DISPLAY CODE 
*        XCDD   - CONVERT TO DECIMAL DISPLAY CODE 
*        MRELS - RELEASE BUFFER 
* 
*     8. DAYFILE MESSAGES  AND OTHER IMPORTANT INFORMATION
*        THIS PRIMARY OVERLAY IS CALLED BY NPNIPSM. 
*        W A R N I N G - THIS PROGRAM CANNOT EXCEED THE PRIMARY 
*CALL OPSIZE
* 
 #
STOPIMS;
 
# 
 PARAMP1 - SM BUFFER (HE/CP)
  
EXIT PARAMETER
 PARAMP2 - IF NON-ZERO THEN BAD BLK 
# 
 
# 
      EXTERNAL VARIABLES
# 
 XREF 
   BEGIN
   PROC XTRACE;              # TRACE PROCEDURE CALL                    #
   PROC OMSG ;
   PROC MSETIL ;
   PROC MCLRIL ;
   PROC MRELS ; 
   FUNC XCDD  C(10) ; 
   LABEL RJMAIN;             # RETURN ADDRESS IN OVLCALL               #
   END
 
# 
      INTERNAL VARIABLES
# 
 
      ITEM NBTIND;           # CURRENT INDEX INTO NBT INPUT FET        #
      ITEM FOUND B;          # CET ENTRY FOUND FLAG                    #
      ITEM TEMP ;            # LOOP VARIABLE                           #
      ITEM I;                # LOOP VARIABLE                           #
      ITEM CNXX;             # TEMPORARY VARIABLE FOR CONNECTION NUMBER#
      ARRAY TWORD S(2) ;
        BEGIN 
        ITEM TWORD1 U(0,0,60) ; 
        ITEM TWORD2 U(1,0,60) ; 
        END 
      ARRAY HECPMS    S(4)  ; 
        BEGIN 
        ITEM HECPM0  C(0,0,30) = ["EST XXX - FRONT END INTERFACE "];
        ITEM HECPM2  C(2,0,10) = ["ERROR EE. "];
        ITEM HECPM3  U(3,0,60) = [0];   # END OF MESSAGE              # 
        ITEM HE$XXX1 C(0,24,1);  # 1ST DIGIT OF THE FRONT END EST     # 
        ITEM HE$XXX2 C(0,30,1);  # 2ND DIGIT OF THE FRONT END EST     # 
        ITEM HE$XXX3 C(0,36,1);  # 3RD DIGIT OF THE FRONT END EST     # 
        ITEM HE$EE   C(2,36,2) = [0]; # ERROR CODE                    # 
        END 
      ARRAY EHECPMS    S(3)  ;
        BEGIN 
        ITEM EHECPM0  C(0,0,25)=["NW01, NNN,FFEE, CCC ."];
        ITEM EHECPM2  U(2,6,54)=[0];                 # END OF MESSAGE # 
        ITEM EHE$NNN  C(0,36,3);                # COUPLER NODE NUMBER # 
        ITEM EHE$EE1  C(1,12,1);  #FIRST DIGIT OF COUPLER STATUS WORD # 
        ITEM EHE$EE2  C(1,18,1);  #SECOND DIGIT OF COUPLER STATUS WORD# 
        ITEM EHE$CCC1 C(1,36,1);
        ITEM EHE$CCC2 C(1,42,1);
        ITEM EHE$CCC3 C(1,48,1);
        END 
      ARRAY HEXCONP [0:15] P(1) ; 
        BEGIN 
        ITEM V C(0,0,1) = ["0","1","2","3","4","5","6","7", 
                           "8","9","A","B","C","D","E","F"];
        END 
 
#**********************************************************************#
 
 
      BEGIN 
 
      CONTROL IFEQ DEBUG,1; 
        XTRACE("NHECP");
      CONTROL FI; 
 
      P<NHEADER> = PARAMP1 + BLKHSIZE;
 
      FOUND = FALSE;
      FOR I = 0 STEP NBTFETNO WHILE NOT FOUND AND I LQ NBTMAXID 
      DO    # SEARCH NBT FOR MATCHING COUPLER NODE                 #
        BEGIN 
        IF NBTIUF[I] AND NBTHN[I] EQ DN[0]
        THEN
          BEGIN  # FOUND NBT ENTRY                                 #
          FOUND = TRUE; 
          NBTIND = I;  # SAVE NBT INDEX                            #
          END 
        END 
      IF FOUND
      THEN
        BEGIN                # NBT FOUND                               #
        HE$XXX1[0] = V [ NBTEST1[NBTIND] ]; #1ST DIGIT OF FRONT END EST#
        HE$XXX2[0] = V [ NBTEST2[NBTIND] ]; #2ND DIGIT OF FRONT END EST#
        HE$XXX3[0] = V [ NBTEST3[NBTIND] ]; #3RD DIGIT OF FRONT END EST#
        P<SMNIP> = P<NHEADER> + NBHSIZE;
        I = HEEC[0];                       #COUPLER ERROR CODE FROM PIP#
        TEMP = XCDD(I);     #CONVERT ERROR CODE TO DECIMAL DISPLAY CODE#
        HE$EE[0] = C<8,2>TEMP;
        OMSG(HECPMS,0);                  #DAYFILE COUPLER ERROR MESSAGE#
 
        I = DN[0];                         #HOST NODE NUMBER OF COUPLER#
        TEMP = XCDD(I);     #CONVERT ERROR CODE TO DECIMAL DISPLAY CODE#
        EHE$NNN[0] = C<7,3>TEMP;
        EHE$EE1[0]  = V [ HEEC1[0] ];    #FORMAT HEXADECIMAL ERROR CODE#
        EHE$EE2[0]  = V [ HEEC2[0] ]; 
        EHE$CCC1[0] = V [ HECSR1[0] ];    #COUPLER STATUS WORD, DIGIT 1#
        EHE$CCC2[0] = V [ HECSR2[0] ];    #COUPLER STATUS WORD, DIGIT 2#
        EHE$CCC3[0] = V [ HECSR3[0] ];    #COUPLER STATUS WORD, DIGIT 3#
        OMSG(EHECPMS,4) ;     # SEND MESSAGE TO ERROR LOG FILE #
 
        # UPDATE NBT         #
# 
          RELEASE ALL DOWN LINE MESSAGES (ALWAYS AT LEAST ONE)
# 
        IF NOT HEMDI[0]      # IF SOFT ERROR FLAG NOT SET              #
        THEN
          BEGIN 
          MSETIL(0) ; 
          FOR I = NBTIND+2 STEP 1 UNTIL NBTIND+4 DO 
            BEGIN 
            P<DRHDRWD> = NBTFIRST[I]; 
            FOR TEMP = TEMP WHILE P<DRHDRWD> NQ 0  # WE DID NOT PASS   #
              DO
              BEGIN 
              IF BLKID[0] EQ PRUSPECID
              THEN
                BEGIN                  # SPECIAL OUTBOUND BLK FOR PCNB #
                P<NHEADER> = P<DRHDRWD> + BLKHSIZE ;
                P<PCNB> = NHWORD[0] ;     #CAN NOW CONVERT NCNB TO PCNB#
                CNXX = PCNBCN[0] ;     # SAVE CONNECTION NUMBER        #
                # SET BATCH STREAM STATE AND BLOCK HANDLER STATE   #
                P<NCNT> = PCNBCTAD[0] ; 
                NCNTBSS[CNXX + NCNTHSIZE] = BSSI ;
                IF PCNBDT[0] EQ DT$CR 
                  OR ( PCNBXFR[0]      # FILE TRANSFER CONN            #
                      AND PCNBREC[0] ) # RECEIVING                     #
                THEN
                  BEGIN 
                  NCNTBHS[CNXX + NCNTHSIZE] = BHSPRUI ;   # INPUT PRU  #
                  END 
                ELSE
                  BEGIN 
                  NCNTBHS[CNXX + NCNTHSIZE] = BHSPRUO ;  # PRU OUTPUT  #
                  END 
                PCNBID[0] = PCNBIDVALUE ;       # ID NOW IS PCNB       #
                BLKID[0] = POBIDVALUE;      # CONVERT TO REGULAR ID    #
                END 
              TEMP = NEXTPTR[0] ; # NEXT DOWN-LINE MESSAGE             #
              IF (P<DRHDRWD> LS BACKBLWA) AND 
                 (P<DRHDRWD> GQ BACKBFWA) 
              THEN           # THIS IS BACK ENTRY IN BACK BUFFER       #
                BEGIN 
                P<DRHDRWD> = P<DRHDRWD> - 1;  # 1ST WD OF BCK BUF ENTRY#
                CMWORD[0] = BACKFFREE;  # PTR TO NEXT FREE ENTRY       #
                BACKFFREE = P<DRHDRWD>;  # NEW FIRST FREE ENTRY        #
                END 
              ELSE           # THIS IS REGULAR DYNAMIC BUFFER          #
                BEGIN 
                MRELS(P<DRHDRWD>);  # RELEASE BUFFER                   #
                END 
              P<DRHDRWD> = TEMP ; 
              END 
            NBTOUT[I] = 0 ; 
            NBTIN [I] = 0 ; 
            NBTFIRST[I] = 0 ; 
            END 
 
          MCLRIL ;
          END                # END OF SOFT ERROR FLAG  #
        END                  # END OF FOUND            #
      GOTO RJMAIN ; 
      END 
TERM