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PDP-10 Archives
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bb-bt99e-bb
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cblio.c05
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INS 27/1 ;05C1
;EDIT HISTORY
;***** V12B *****
;WHO DATE COMMENT
;SMI 13-SEP-82 [1043] Process end-of-file errors.
;SMI 30-AUG-82 [1042] Pop stack if error on blocked file open.
;RLF 26-JUL-82 [1037] Change error message to "for OUTPUT only".
;RLF 21-JUL-82 [1036] Zero out right half of UOUT. after checkpointing
;RLF 20-JUL-82 [1035] READ NEXT after DELETE get correct record
;JEH 15-JUL-82 [1034] Zero out end of data block after deleting a record
;SMI 06-JUL-82 [1033] Do abort close on labeled tapes during fatal error
; processing
;LEM 07-JUN-82 [1031] FIX RECORDS MISSING WHEN READING AN ASCII FILE SEQUENTIALLY
;RJD 08-JUN-82 [1030] Check for use of ersatz device when opening a SMU
; file from a SFD
;JEH 04-JUN-82 [1027] Zero buffer address to force FAKE READ to get block
; number for a RETAIN of a LOW-VALUE key
;JEH 01-JUN-82 [1026] APPEND FILOP. doesn't reset buffer ptr if file ended
; on a block boundary
;RJD 14-MAY-82 [1024] USE COUNT ON LAST BLOCK TO CHECK FOR END OF RECORD
;RLF 07-MAY-82 [1023] UPDATE POINTER FOR READ AFTER REWRITE
;LEM 27-MAR-82 [1021] make READ NEXT return correct record as ANSI standard states
;RJD 17-MAR-82 [1016] TEST FOR ISAM FILES CHECKPOINTING EVERY n RECORDS
;LEM 02-MAR-82 [1015] ALLOW COMPT. UUO TO RETURN CORRECT FILE STATUS ERROR NO
;LEM 16-FEB-82 [1014] ALLOW ASCII FILE ON MTA TO HAVE EXTRA <CR>
;WTK 20-JAN-82 [1013] SEQ REL ASCII FILE: NULL REC IN BLK CAUSES
; REST OF BLOCK TO BE SKIPPED
;JSM 22-OCT-81 [1011] FIX CLOSE WITH DELETE FOR NON-SMU OUTPUT
;JEH/JM 13-OCT-81 [1010] LOOKUP ERROR MSG IS INCORRECT
;DMN 09-OCT-81 [1007] TURN ON TOPS2X SWITCH FOR TOPS-20 VERSION 5
;WTK/JM 6-OCT-81 [1006] CAN'T REWRITE A NON-NULL EBCDIC RECORD
;JEH/JM 6-OCT-81 [1005] SMU CLOSE W/DELETE FAILS UNDER TOPS-10 7.01
;DMN/JM 3-SEP-81 [1003] FIE INCORRECTLY CLOSED WITH DELETE
;HAM/JM 9-SEP-81 [1001] RESET ISAM INDEX AND DATA POINTERS AFTER DEL/REWRITE
;
REP 55/1 ;05C2
IFNDEF TOPS2X,<TOPS2X==0> ; [667] THIS CODE HAS NOT BEEN TESTED YET
WIT
;[D1007] IFNDEF TOPS2X,<TOPS2X==0> ; [667] THIS CODE HAS NOT BEEN TESTED YET
TOPS2X==TOPS20 ;[1007] TURN ON TOPS2X FOR VERSION 5
REP 18/27 ;05C3
JRST KILL4 ;[444] NO, CHECK NEXT ONE
MOVE AC13,D.DC(I16) ;[444] GET DEV CHARACTERISTICS
WIT
SKIPA ;[1033] SKIP IF INPUT FILE
JRST KILL1A ;[1033] JUMP IF OUTPUT ONLY
MOVE AC13,D.DC(I16) ;[1033] GET DEV CHARACTERISTICS
TXNE AC13,DV.MTA ;[1033] MAG TAPE?
JRST KILL2A ;[1033] YES, DO ABORT CLOSE
JRST KILL4 ;[444] NO, CHECK NEXT ONE
KILL1A: MOVE AC13,D.DC(I16) ;[1033][444] GET DEV CHARACTERISTICS
REP 42/27 ;05C4
LDB AC4,DTCN. ;[444] GET CHANNEL NUMBER
WIT
KILL2A: LDB AC4,DTCN. ;[1033][444] GET CHANNEL NUMBER
INS 347/45 ;05C5
SETZM D.OBB(I16) ;[1026] ZERO BUFFER POINTER
REP 351/45 ;05C6
JUMPN AC0,OFERR ; JUMP IF BLOCKED
POP PP,(PP) ; DISCARD .JBFF SAV
WIT
SKIPE AC0 ;[1042] JUMP IF NOT BLOCKED
TLNN FLG,IOFIL+RANFIL+IDXFIL ;[1042] SEQUENTIAL FILE?
POP PP,(PP) ;[1042] YES, DISCARD .JBFF SAV
REP 16/47 ;05C7
TLNE FLG,IOFIL!OPNOUT ;[667] IF OPEN READ ONLY OR
WIT
TLNE FLG,OPNOUT ;[1007][667] IF OPEN READ ONLY OR
REP 15/48 ;05C8
TLNN FLG,IOFIL!OPNOUT ;[667] IF OPEN READ ONLY OR
WIT
TLNN FLG,OPNOUT ;[1007] [667] OR OPEN READ ONLY
INS 17/59 ;05C9
TRNA ;[1007] NOT
JRST OPNLU3 ;[1007] YES IT IS, ULBLK. IS CORRECT
INS 30/61 ;05C10
MOVE AC1,UOBLK.+1 ;[1030] GET SIXBIT NAME
DEVNAM AC1, ;[1030] IS DEVICE AN ERSATZ?
JRST OPNF2A ;[1030] NO CONTINUE
CAME AC1,UOBLK.+1 ;[1030] SAME NAME?
JRST OPNF2A ;[1030] NO, CONTINUE
DEVPPN AC1, ;[1030] GET PPN
JRST OPNF2A ;[1030] CONTINUE
CAME AC1,PTH.BK+2 ;[1030] SAME PPN?
SETZM PTH.BK+3 ;[1030] NO, MUST BE ERSATZ SO CLEAR SFD
OPNF2A: ;[1030]
REP 7/62 ;05C11
E.MCPT==^D8000000 ; [431] MONITOR COMPT. UUO ERROR
WIT
E.MCPT==^D2000000 ; [431] [1015] MONITOR COMPT. UUO ERROR
INS 35/93 ;05C12
PRGERR: SETZM PRGFLG ;[1003] IN CASE FILE WAS CLOSED WITH DELETE
REP 14/102 ;05C13
OUTSTR [ASCIZ/ for OUTPUT./] ;11
WIT
OUTSTR [ASCIZ/ for OUTPUT only./] ;[1037] 11
REP 3/103 ;05C14
LUPERR: TDZA ;LOOKUP ERROR
WIT
LUPERR: MOVE AC0,ULBLK.+1 ;[1010] LOOKUP ERROR
MOVEM AC0,UEBLK.+1 ;[1010] MOVE ERROR ARGUMENT
TDZA ;[1010] TO ENTER BLOCK
REP 45/106 ;05C15
JRST OXITER ;FILE WAS NOT OPEN.
WIT
;[D1003] JRST OXITER ;FILE WAS NOT OPEN.
JRST PRGERR ;[M1003] FILE WAS NOT OPEN.
REP 39/107 ;05C16
TXNE AC13,DV.MTA ;MTA?
JRST CLOSE2 ; YES, SKIP FUNNY EXTRA 'CR'
WIT
; TXNE AC13,DV.MTA ;[1014]MTA? allow mta to have extra 'CR'
; JRST CLOSE2 ;[1014] YES, SKIP FUNNY EXTRA 'CR'
REP 11/115 ;05C17
JRST CLSWL1 ;[576] SKIP BUFFER SAVES,DELETE FOLLOWS
IFE TOPS20,<
WIT
IFN TOPS20, < ;[1005] TOPS10 MUST FREE RETAINED RECORDS
JRST CLSWL1 ;[576] SKIP BUFFER SAVES,DELETE FOLLOWS
>; ;[1005]
IFE TOPS20,<
JRST CLSPRG ;[1005] JUMP TO FREE RETAINED RECORDS
INS 47/115 ;05C18
CLSPRG: SKIPN F.WSMU(I16) ;[1005] SKIP IF RETAINED RECORDS
;[D1011] JRST CLSWLX ;[1005]
JRST CLSWL1 ;[1011]
PUSHJ PP,CLWSMU ;[1005] FREE ALL RETAINED RECORDS
REP 152/144 ;05C19
RNR30A: MOVE AC1,AC5 ; GET COPY DESTINATION PTR
ADDI AC1,1 ; ADVANCE PTR PAST RDW
ILDB AC1,AC1 ; GET A BYTE
WIT
;[D1006] RNR30A: MOVE AC1,AC5 ; GET COPY DESTINATION PTR
;[D1006] ADDI AC1,1 ; ADVANCE PTR PAST RDW
;[D1006] ILDB AC1,AC1 ; GET A BYTE
RNR30A: ;[1006]
PUSH PP,AC5 ;[1006] SAVE DEST POINTER
PUSH PP,AC3 ;[1006] AND BYTES/REC
RNR30D: ;[1006]
ILDB AC1,AC5 ;[1006] GET A BYTE
SKIPN AC1 ;[1006] CONTINUE WHEN NON-NULL FOUND
SOJG AC3,RNR30D ;[1006] OR WHEN NO BYTES LEFT
POP PP,AC3 ;[1006] RESTORE BYTES/REC
POP PP,AC5 ;[1006] AND DEST POINTER
REP 89/145 ;05C20
IFN ANS74,<
TXNE AC16,V%RWRT ; IS THIS RERIT?
JRST RANXI0 ; YES,SKIP CURRENT POSITION RESET
>
WIT
;IFN ANS74,< ;[1023]test is taken out
; TXNE AC16,V%RWRT ; IS THIS RERIT?
; JRST RANXI0 ; YES,SKIP CURRENT POSITION RESET
; ;[1023] to update pointer
;>
REP 105/145 ;05C21
AOJA AC5,RNWR2X ;UPDATE THE RECORD POINTER & SIGNAL ACTIVE DATA
WIT
MOVE AC0,R.BPNR(I12) ;[1035] CURRENT RECORD
MOVEM AC0,R.BPLR(I12) ;[1035] LAST RECORD
HRRI AC0,(AC5) ;[1035] ADR OF 1ST WRD OF NEXT REC
MOVEM AC0,R.BPNR(I12) ;[1035] BP TO NEXT RECORD
SETOM R.DATA(I12) ;[1035] THERE IS ACTIVE DATA IN BUFFER
SETOM R.WRIT(I12) ;[1035] THE LAST COBOL UUO WAS A WRITE
AOJA AC5,RANXI0 ;[1035] UPDATE REC POINTER & SIGNAL ACTIVE DATA
REP 29/146 ;05C22
JUMPE AC4,RANDOM ;[300] JUMP IF SEQ
WIT
;[1013] JUMPE AC4,RANDOM ;[300] JUMP IF SEQ
JUMPN AC4,RANREN ;[1013]IF SEQUENTIAL
MOVE AC5,D.WPR(I16) ;[1013] ADD WORDS/RECORD TO BYTE PTR
ADDB AC5,R.BPNR(I12) ;[1013] SO IT POINTS TO NEXT RECORD
JRST RANDOM ;[1013] AND TRY AGAIN
RANREN: ;[1013]
INS 11/147 ;05C23
CAIE 11,15 ;[1031] EXCLUDE <CR> <LF> WHEN DECREMENTING
CAIN 11,12 ;[1031] THE CHRCNT
JRST RANRE8 ;[1031]
REP 88/147 ;05C24
REPEAT 0,< ; THIS PATCH IS NOT WORTH IT
; THERE ARE OTHER PLACES WHERE THE COUNT CAN RUN OUT
WIT
REPEAT 1,< ;[1024] THIS PATCH IS NOT WORTH IT
; THERE ARE OTHER PLACES WHERE THE COUNT CAN RUN OUT
;[1024] THE PATCH IS NECESSARY FOR THE LAST BLOCK OF A FILE
MOVE AC1,D.LBN(I16) ;[1024] GET LAST BLOCK NO.
CAME AC1,D.CBN(I16) ;[1024] SAME AS CURRENT BLOCK?
JRST RNR13D ;[1024] NO, SKIP CALCULATION
REP 114/147 ;05C25
>
REPEAT 1,< ; THIS IS THE ORIGINAL CODE
WIT
JRST RANR14 ;[1024] CONT
>
RNR13D: ILDB C,AC5 ;[1024] GET A CHAR
XCT AC10 ;[1024] CONVERT IT
JUMPGE C,RNR13D ;[1024] SCAN TO EOR CHAR
REPEAT 0,< ;[1024] THIS IS THE ORIGINAL CODE
INS 52/154 ;05C26
SETZM CNTRY(I12) ;[1027] ZERO BUFFER ADDRESS
REP 7/165 ;05C27
; CLEAR SAVED NEXT RECORD POSITION FLAG
HRRZ AC0,D.RFLG(I16) ; GET SOME FLAGS
TRZE AC0,SAVNXT ; CLEAR FLAG FOR NXT REC POS SAVED
HRRM AC0,D.RFLG(I16) ; PUT IT BACK IF WAS SET
WIT
PUSHJ PP,SVDLRW ;[1021] SAVE CURRENT RECORD POSITION AND CONTINUE
REP 34/166 ;05C28
IWRIX: SKIPE OLDBK ;ANY BLOCKS TO DEALLOCATE
WIT
;[D1001]IWRIX: SKIPE OLDBK ;ANY BLOCKS TO DEALLOCATE
IWRIX: ;[M1001]
IFN ANS74,<
PUSHJ PP,@GETSET(I12) ;[1001] RESET INDEX AND DATA POINTERS
>
SKIPE OLDBK ;[M1001] ANY BLOCKS TO DEALLOCATE
INS 50/166 ;05C29
IFN ANS74,<
SETZM NNTRY(I12) ;[1021] CLEAR NEXT REC FLAG, NO CURRENT REC
SETZM CNTRY(I12) ;[1021] CLEAR CURRNET DATA ENTRY TO INDICATE
;[1021]SEQ READ CURRENT ENTRY IS NOT SET
>; END IFN ANS74
INS 21/195 ;05C30
MOVE AC5,LRW(I12) ;[1034] SAVE OLD LRW
INS 26/195 ;05C31
MOVEI AC3,1(AC2) ;[1034] SET UP SOURCE
HRL AC3,AC3 ;[1034]
ADDI AC3,1 ;[1034] ADJUST DESTINATION
BLT AC3,(AC5) ;[1034] ZERO UNUSED BLOCK AREA
INS 30/203 ;05C32
TLNN FLG,IDXFIL ; [1016] SKIP IF ISAM FILE
INS 37/203 ;05C33
HLLZS UOUT. ; [1036] ZEROES RIGHT HALF
REP 32/208 ;05C34
IFN ANS74,<
MOVE AC1,FS.FS ;GET ERROR CODE
CAIN AC1,^D10 ;END-OF-FILE ONLY?
JRST IGTST2 ;YES
>
WIT
;[1043] END-OF-FILE ERRORS ARE NOT TO BE IGNORED
;[1043] IFN ANS74,<
;[1043] MOVE AC1,FS.FS ;GET ERROR CODE
;[1043] CAIN AC1,^D10 ;END-OF-FILE ONLY?
;[1043] JRST IGTST2 ;YES
;[1043]>
SUM 50987