Trailing-Edge
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PDP-10 Archives
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bb-bt99g-bb
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uuocon.c08
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REP 41/7 ;08C1
ANDCAM T1,JBTSTS##(J) ; TRAP FLAG
WIT
ANDCAB T1,JBTSTS##(J) ; TRAP FLAG
DEL 26/25 ;08C2
SETZM .UPMP+.UPTMC ;TRAP COUNTERS
SETZM .UPMP+.UPTMI ;CLEAR VIRTUAL TIME
REP 12/139 ;08C3
XWD FOP.UR,FCLOS ;(10) UPDATE RIB
WIT
XWD FOP.UR+FOP.RD,FCLOS ;(10) UPDATE RIB
DEL 5/152 ;08C4
ADD W,DEVSER(F) ;DISPATCH TABLE ADDR
REP 22/152 ;08C5
POP P,T1 ;RESTORE T1
PUSHJ P,(T1) ;CALL USET CODE
HRRZ T1,DEVIOS(F) ;I/O STATUS
TRNN T1,760000 ;ERRORS OR END OF FILE?
AOS (P) ;NO, SKIP RETURN TO THE USER
WIT
MOVE T1,(P) ;GET DISPATCH OFFSET BACK
CAIN T1,DSO ;USETO?
SKIPA T1,[IOERR] ;YES--ONLY CHECK REAL I/O ERROS
MOVEI T1,IOERR+IODEND ;ELSE CHECK I/O ERRORS PLUS EOF
EXCH T1,(P) ;SAVE CONDITIONS TO CHECK,GET DISPATCH OFFSET
ADD T1,DEVSER(F) ;DISPATCH TABLE ADDR
PUSHJ P,(T1) ;CALL USET CODE
HRRZ T1,DEVIOS(F) ;I/O STATUS
TDNN T1,(P) ;ERRORS OR END OF FILE?
AOS -1(P) ;NO, SKIP RETURN TO THE USER
POP P,(P) ;TRIM STACK
REP 21/170 ;08C6
UINITC: PUSHJ P,JDAADR ;CHANNEL ADDRESS
WIT
UINITC: TLZ F,-1 ;CLEAR BITS FROM OTHER CHANNELS/DDBS
PUSHJ P,JDAADR ;CHANNEL ADDRESS
REP 28/181 ;08C7
INEOF: TDNN S,[XWD IOEND,IODERR+IOBKTL+IODTER+IOIMPM]
; EOF OR ERROR BIT SET BY SERVICE ROUTINE
WIT
INEOF: MOVSI T1,DEPSIE
TDNE T1,DEVJOB(F) ;SYNCH ON ERROR?
TRNN S,IODEND ;YES, AVOID KAF IF TAPE
TDNE S,[XWD IOEND,IODERR+IOBKTL+IODTER+IOIMPM]
CAIA ; EOF OR ERROR BIT SET BY SERVICE ROUTINE
SUM 95396