Trailing-Edge
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PDP-10 Archives
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bb-bt99g-bb
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plrmac.c08
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REP 32/1 ;08C1
PLREDT==422 ;EDIT NUMBER
WIT
PLREDT==441 ;EDIT NUMBER
INS 817/3 ;08C2
423 PLRDSK Make DSKTRY agree with the monitor.
424 PULSAR Add support for ABORT labeler message from monitor.
PLRMAC This will prevent cases where the user ^C's out of
PLRLBP a program and later hangs in EL when trying to use
PLROPR the tape.
425 PLRTAP Correct TAPOP. error recovery stuff where it compares
function codes.
426 PLRMAC Add new termination codes for 1) volume protection
failure, 2) file protection failure, and 3) unexpired
file.
PLRLBP Return new termination codes as necessary. Only ask
the operator about volume protection errors once and
memorize the answer for use later when suceeding errors
occur.
427 PLRMAC Add support for
PLRINI /NEW-VOLUME processing
PLRLBP in the tape initializer
430 PULSAR Add code to detect and optionally override file
PLRMAC sequence number errors. This is needed because
PLRLBP of PULSAR we're too particular about what junk it
PLROPR wrote into the HDR labels. The operator is notified
of the error and has the options:
ABORT: Abort request and return LE.PSE to user.
PROCEED: Fix up TCB and pretend error didn't occur.
RETRY: Retry search for correct sequence number.
*** Note ***
This error recovery proceedure has purposly been made
painful to use. The intent is to pursuade users to
rewrite their tapes with good data.
431 PLRLBP Don't store junk in IBM HDR2 records.
432 PLRLBP SKIP MTA: EOT/BACKSPACE MTA:1 FILE/TYPE MTA: doesn't
on a labeled tape. PS.SET shouldn't lite TI.LET bit.
433 PLRMAC Add new bit TS.ILC to inhibit label parameter clearing
PLRLBP after a positioning operation. Needed so appending to
a file will carry over the necessary parameters to the
EOF records. Also fix numerous bugs with associated
with appending to files and writing tape marks.
434 PLRLBP Return LE.WLK if drive is hardware write-locked instead
of volume protection failure.
435 PLRLBP On labeled tapes, always set file sequence number
to one at mount time. This avoid positioning errors
when users start I/O without doing a rewind first.
436 PULSAR Fix ?Ill UUO at PC 1 introduced by abort code.
437 PLRLBP After failing to read a good VOL1 record, set
default density for drives which do not do
auto-density detection.
440 PLRT10 Correct bug in date translation routine.
441 PLROPR Add support for PSI on reel switch. This merely
PLRTAP involes doing the label switch TAPOP. on all
reel switches.
REP 4/4 ;08C3
B=13 ;B POINTS TO A TCB IN L$xxxx AND T$xxxx
LT=14 ;LT CONTAINS THE LABEL TYPE IN L$xxxx AND T$xxxx
BUF=15 ;BUF IS THE POINTER TO THE IO BUFFER IN
; PLRLBP
IOCAN%==16 ;Define these here till defined in
IOTMV%==17 ; UUOSYM...
IONOP%==1 ; " "
IOEOF%==2 ; " "
M=16 ;MESSAGE POINTER
WIT
B=13 ;B POINTS TO A TCB
LT=14 ;LT CONTAINS THE LABEL TYPE
BUF=15 ;BUF IS THE POINTER TO THE CURRENT IO BUFFER
M=16 ;MESSAGE POINTER
IOVPF%==24 ;UNTIL IN UUOSYM
IOFPF%==25 ;UNTIL IN UUOSYM
IOUEF%==26 ;UNTIL IN UUOSYM
%RLABO==4 ;UNTIL IN QSRMAC
INS 18/7 ;08C4
TW.MAX==6 ;MAX # OF WS CODES NOT COUNTING TW.RUN
REP 31/7 ;08C5
; TI.ABO==1B8 ;DEVICE POSITION OPERATION ABORTED
WIT
TI.ABO==1B8 ;ABORT CURRENT OPERATION
INS 124/7 ;08C6
TS.ILC==1B31 ;INHIBIT LABEL PARAMETER CLEARING
; AFTER POSITIONING OPERATION. USED
; BY ROUTINES THAT BACKSPACE INTO A
; FILE FOR THE PURPOSES OF APPENDING
; TO THAT FILE. HENCE LABEL DATA IS
; STILL VALID.
TCB.S2::! BLOCK 1 ;SECOND TAPE STATUS WORD
TS.VPC==3B2 ;VOLUME PROTECTION CHECK
.TSASK==0 ;ASK OPERATOR
.TSABO==1 ;ALWAYS ABORT
.TSPRO==2 ;ALWAYS PROCEED
TS.FSE==1B1 ;FILE SEQUENCE ERROR PROCESSING
REP 133/7 ;08C7
TE.TRM==17 ;ERROR CODE (SEE TLM.ST @ TS.TRM)
WIT
TE.TRM==777 ;TERMINATION CODE
;MUST MATCH PDVESE BYTE SIZE IN MONITOR
REP 178/7 ;08C8
TV.INC==777B23 ;Increment for next volid
TV.CNT==7777B14 ;# of volumes to do
TV.HLD==1B2 ;Keep tape up after initialize
TV.OVR==1B1 ;Override expriation check
WIT
TV.CNT==7777B23 ;# of volumes to do
TV.NOE==1B4 ;DRIVE CANNOT DO DATA SECURITY ERASE
TV.ERA==1B3 ;ERASE THE TAPE IF POSSIBLE
TV.HLD==1B2 ;Keep tape up after initialize
TV.OVR==1B1 ;Override expriation check
TV.NEW==1B0 ;/NEW-VOLUME (RE-INIT AN EXISTING TAPE)
TCB.II::! BLOCK 1 ;INITIALIZE INCREMENT FOR NEXT REELID
INS 185/7 ;08C9
TCB.VP::! BLOCK 1 ;POINTER TO LIST OF REELIDS
TCB.VC::! BLOCK 1 ;AOBJN POINTER TO CURRENT REELID
TCB.IR::! BLOCK 1 ;REQUEST-ID (/NEW)
REP 34/8 ;08C10
LR.MAX==11 ;MAX LABEL REQUEST CODE
WIT
LR.ABO==12 ;ABORT CURRENT OPERATION
LR.MAX==12 ;MAX LABEL REQUEST CODE
INS 53/8 ;08C11
LE.LRA==IOLRA% ;LABELER REQUEST ABORTED BY RESET UUO
LE.VPF==IOVPF% ;VOLUME PROTECTION FAILURE
LE.FPF==IOFPF% ;FILE PROTECTION FAILURE
LE.UEF==IOUEF% ;UNEXPIRED FILE
INS 8/16 ;08C12
PLR%RT==6 ;RETRY TYPED BY OPR
PLR%PR==7 ;PROCCEED TYPED BY OPR
SUM 70797