*DECK BWLBLK
USETEXT NIPDEF
USETEXT ACB 
USETEXT APPSTAT 
USETEXT STATTAB 
 PROC BWLBLK(SOURCE,SINK,BLKSIZE);
  
 STARTIMS;
 #
*1DC  BWLBLK
* 
*     1. PROC NAME           AUTHOR              DATE 
*        BWLBLK              E. GEE              77/09/14 
* 
*     2. FUNCTIONAL DESCRIPTION.
*          WRITE TEXT FROM NIP-S FIELD LENGTH TO APP-S FIELD LENGTH 
* 
*     3. METHOD USED. 
*          IF TEXT IS GREATER THAN 64 WORDS,
*            SET UP EXTENDED WRITE SCP FUNCTION REQUEST.
*          ELSE (NORMAL SCP WRITE FUNCTION IS SUFFICIENT),
*            SET UP WRITE SCP FUNCTION REQUEST. 
*          CALL HWRTDA TO ISSUE SCP FUNCTION REQUEST AND PROCESS
*            RETURN CODE. 
* 
*     4. ENTRY PARAMETERS.
*          BLKSIZE           SIZE OF BLK TO WRITE TO APP FL 
*          NEXTWLA           ADDR OF NEXT NETWORK WORKLIST ENTRY
*          ACBADDR           ACB ADDRESS
*          SINK              APP ADDRESS TO WRITE TEXT TO 
*          SOURCE            ADDR OF BLK TO WRITE TO APP FL 
* 
*     5. EXIT PARAMETERS. 
*          ABTAPPF           ABORT FLG SET IF NIP GOT SCP RC = RCUCPAOOR
*          DONE              SET FALSE IF TEXT NOT WRITTEN TO APP FL
*          FAILADR           FAIL FLG SET IF NOT GOT SCP RC = RCUCPGONE 
* 
*     6. COMDECKS CALLED AND SYMPL TEXTS USED.
*        ACB    APPSTAT 
*        NIPDEF 
*        STATTAB             STATISTICS TABLE 
* 
*     7. ROUTINES AND OVERLAYS CALLED.
*          HWRTDA                      WRITE DATA TO APP FIELD LENGTH 
*          OTIME             GET SYSTEM TIME
*          XTRACE            RECORD PROCEDURE CALLS 
* 
*     8. DAYFILE MESSAGES AND OTHER IMPORTANT INFORMATION.
*          NONE 
* 
 #
 STOPIMS; 
  
# INPUT PARAMETERS                     #
  
 ITEM SOURCE;                          # FWA OF BUFFER IN NIP-FL       #
 ITEM SINK;                            # UCP ADDRESS IN APP-FL         #
 ITEM BLKSIZE;                         # BLOCK SIZE IN CM WORDS        #
  
# OUTPUT PARAMETERS          NONE      #
  
# 
 EXTERNAL VARIABLES 
# 
 XREF 
   BEGIN
   PROC HWRTDA;                        # WRITE DATA TO APP FIELD LENGTH#
   PROC OTIME;                         # GET SYSTEM TIME               #
   PROC XTRACE;                        # TRACE CALL                    #
   END
# 
 LOCAL VARIABLES
# 
 ARRAY FLW P(3);                       # ARRAY FOR ISSUING SCP CALL    #
   BEGIN
   ITEM FLWRC     U(00,00,06);         # RETURN CODE FROM SCP CALL     #
   ITEM FLWFP     U(00,06,12);         # NUMBER OF WORDS TO WRITE      #
   ITEM FLWUCPA   U(00,18,18);         # UCP ADR FOR SF.WRITE SCP FUNC #
   ITEM FLWSCPA   U(00,36,18);         # SCP ADR FOR SF.WRITE SCP FUNC #
   ITEM FLWFC     U(00,54,06);         # SCP FUNCTION CODE             #
   ITEM FLWCB     U(00,59,01);         # SCP FUNCTION COMPLETION BIT   #
   ITEM FLWWD0    U(00,00,60) = [0];   # WORD 0 OF SCP FUNCTION BUFFER #
   ITEM FLWJSNWD  U(01,00,60);         # UCP JSN / EJT ORDINAL WORD    #
   ITEM FLWXUCPA  U(02,12,24);         # UCP ADR FOR SF.XWRITE SCP FUNC#
   ITEM FLWXSCPA  U(02,36,24);         # SCP ADR FOR SF.XWRITE SCP FUNC#
   ITEM FLWWD2    U(02,00,60) = [0];   # WORD 2 OF SCP FUNCTION BUFFER #
   END
  
 ITEM BUFSIZ;                          # BUFFER SZE IN CM WORDS        #
  
 CONTROL IFEQ STAT,1; 
   ARRAY STIME P(1);                   # RTIME BUFFER FOR STARTING TIME#
     BEGIN
     ITEM SMILS U(0,24,36);            # STARTING TIME IN MILLESECONDS #
     END
   ARRAY ETIME P(1);                   # RTIME BUFFER FOR ENDING TIME  #
     BEGIN
     ITEM EMILS U(0,24,36);            # ENDING TIME IN MILLESECONDS   #
     END
  
   ITEM STTEMP;                        # TEMPORARY STATISTICS VARIABLE #
 CONTROL FI;
  
  
#**********************************************************************#
  
      BEGIN 
  
      CONTROL IFEQ DEBUG,1; 
        XTRACE("BWLBL") ; 
      CONTROL FI; 
  
      CONTROL IFEQ STAT,1;
        OTIME(STIME);                  # GET SYSTEM TIME AT BEGINNING  #
      CONTROL FI; 
  
  
      DONE = FALSE; 
      P<ACB> = ACBADDR; 
      FLWWD0[0] = 0;                   # INITIALIZE SCP FUNCTION WD    #
      FLWFP[0] = BLKSIZE;              # WORD COUNT TO BE TRANSFERRED  #
      FLWJSNWD[0] = ACBJNWD[0]; 
      IF BLKSIZE GR 64
      THEN                             # EXTENDED WRITE SCP FUNC NEEDED#
        BEGIN 
        FLWXUCPA[0] = SINK;            # UCP ADDR TO WRITE TEXT TO     #
        FLWXSCPA[0] = SOURCE + BLKHSIZE + ABHSIZE;
        FLWFC[0] = SFXWRT;             # SF.XWRITE SCP FUNCTION CODE   #
        BUFSIZ = FLXSIZE;              # SIZE OF SCP FUNCTION BLOCK    #
        END 
      ELSE                             # NORMAL SCP WRITE FUNCTION USED#
        BEGIN 
        FLWUCPA[0] = SINK;             # UCP ADDR TO WRITE TEXT TO     #
        FLWSCPA[0] = SOURCE + BLKHSIZE + ABHSIZE; 
        FLWFC[0] = SFWRITE;            # SF.WRITE SCP FUNCTION CODE    #
        BUFSIZ = FLSIZE;               # SIZE OF SCP FUNCTION BLOCK    #
        END 
  
        HWRTDA(FLW,BUFSIZ,SOURCE);
  
      CONTROL IFEQ STAT,1;
        OTIME(ETIME);                  # GET SYSTEM TIME AT END OF PROC#
        ST$NWR = ST$NWR + 1;           # INCR NO OF TIMES BWLBLK CALLED#
        STTEMP = EMILS[0] - SMILS[0];  # TIME SPENT IN ROUTINE         #
        ST$TWR = ST$TWR + STTEMP;      # TOTAL TIME SPENT IN ROUTINE   #
        IF ST$LWR LS STTEMP 
        THEN                           # FOUND LARGER TIME INTERVAL    #
          BEGIN 
          ST$LWR = STTEMP;             # NEW LARGEST TIME INTERVAL     #
          END 
      CONTROL FI; 
  
      RETURN; 
      END 
TERM