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10,7/galaxy/batcon/batpty.mac
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TITLE BATPTY - GALAXY-10 Batch controller PTY logic
SUBTTL C.D.O'Toole, D.P.Mastrovito /CDO/DPM 12-SEP-85
;
;
; COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION
; 1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1986.
; ALL RIGHTS RESERVED.
;
;
; THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED
; AND COPIED ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE
; AND WITH THE INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS
; SOFTWARE OR ANY OTHER COPIES THEREOF MAY NOT BE PROVIDED OR
; OTHERWISE MADE AVAILABLE TO ANY OTHER PERSON. NO TITLE TO
; AND OWNERSHIP OF THE SOFTWARE IS HEREBY TRANSFERRED.
;
; THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE
; WITHOUT NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT
; BY DIGITAL EQUIPMENT CORPORATION.
;
; DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY
; OF ITS SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY
; DIGITAL.
SEARCH BATMAC ;BATCON SYMBOLS
SEARCH GLXMAC ;GALAXY SYMBOLS
SEARCH QSRMAC ;QUASAR SYMBOLS
SEARCH ORNMAC ;ORION SYMBOLS
PROLOG (BATPTY) ;SET UP
%%.BAT==:%%.BAT ;FORCE VERSION INTO SYMBOL TABLE
TOPS10 <IF1,<PRINTX [Assembling GALAXY-10 BATPTY]>>
TOPS20 <IF1,<PRINTX [Assembling GALAXY-20 BATPTY]>>
GLOB <NUMBER>
SUBTTL Table of contents
; TABLE OF CONTENTS FOR BATPTY
;
;
; SECTION PAGE
; 1. Table of contents......................................... 2
; 2. P$OPEN - Open a PTY....................................... 3
; 3. P$CLOS - Close a PTY...................................... 5
; 4. P$OBUF - Output a PTY buffer.............................. 6
; 5. P$IBUF - Input a buffer................................... 7
; 6. P$OCHR - Output a character to a PTY...................... 8
; 7. P$ICHR - Input a character from a PTY..................... 9
; 8. P$NXTC - Input next character always...................... 10
; 9. P$CTLC - Output a Control-C to a PTY...................... 11
; 10. P$READ - Read a line of output............................ 12
; 11. P$STOP - Stop a job on a PTY.............................. 13
; 12. P$TERM - Set up terminal characteristics.................. 14
; 13. End....................................................... 15
SUBTTL P$OPEN - Open a PTY
TOPS10 < ;TOPS-10 only
P$OPEN::SETOM .JPCHN(R) ;INDICATE NO OPEN CHANNEL YET
MOVE T1,[FO.ASC+.FOWRT] ;ASSIGN A CHANNEL FOR READ AND WRITE
MOVX T2,UU.PHS!UU.FSP!UU.BJP ;PHYSICAL/FULL SCNSER CONTROL/BATCH PTY
MOVSI T3,'PTY' ;GET GENERIC PTY
HRLI T4,.JPOUT(R) ;GET BUFFER RING HEADER FOR OUTPUT
HRRI T4,.JPINP(R) ;GET BUFFER RING HEADER FOR INPUT
MOVE S1,[4,,T1] ;SET UP UUO
FILOP. S1, ;OPEN THE PTY
JRST OPEN.1 ;CAN'T
LOAD S1,T1,FO.CHN ;GET CHANNEL NUMBER
MOVEM S1,.JPCHN(R) ;SAVE IT
IONDX. S1, ;GET THE UDX
JRST OPEN.1 ;CAN'T
ANDX S1,UX.UNT ;KEEP JUST THE UNIT NUMBER
TXO S1,.UXTRM ;INCLUDE TTY OFFSET
ADD S1,G$PTYF## ;ADD THIS PTY'S NUMBER TO THE FIRST PTY
MOVEM S1,.JPTTY(R) ;STORE TTY UDX FOR THIS PTY
MOVSI T1,400000 ;BUFFER USE BIT
HRRI T1,.JPTYO+.BFHDR(R) ;GET ADDRESS OF NEXT OUTPUT BUFFER
MOVEM T1,.JPOUT+.BFADR(R) ;STORE IN OUTPUT BUFFER CONTROL BLOCK
HRRI T1,.JPTYI+.BFHDR(R) ;GET ADDRESS OF NEXT INPUT BUFFER
MOVEM T1,.JPINP+.BFADR(R) ;STORE IN INPUT BUFFER CONTROL BLOCK
MOVSI T1,(POINT 7) ;7 BIT BYTES
MOVEM T1,.JPINP+.BFPTR(R) ;STORE IN INPUT BUFFER CONTROL BLOCK
HRRI T1,.JPTYO+.BFCNT+1(R) ;GET ADDRESS OF FIRST OUTPUT DATA WORD
MOVEM T1,.JPOUT+.BFPTR(R) ;STORE IN OUTPUT BUFFER CONTROL BLOCK
MOVSI T1,PTYBLK-2 ;NUMBER OF DATA WORDS IN A BUFFER
HRRI T1,.JPTYO+.BFHDR(R) ;GET ADDRESS OF NEXT OUTPUT BUFFER
MOVEM T1,.JPTYO+.BFHDR(R) ;RING LOOPS ON ITSELF
HRRI T1,.JPTYI+.BFHDR(R) ;GET ADDRESS OF NEXT INPUT BUFFER
MOVEM T1,.JPTYI+.BFHDR(R) ;RING LOOPS ON ITSELF
$RETT ;RETURN SUCESSFUL
OPEN.1: PUSHJ P,P$CLOS ;CLOSE AND RELEASE CHANNEL
$RETF ;RETURN UNSUCESSFUL
> ;END OF TOPS-10 CONDITIONAL
TOPS20 < ;TOPS-20 ONLY
P$OPEN::$SAVE <P1,P2> ;SAVE P1 AND P2
MOVE P1,[ASCIZ |PTY|] ;GET GENERIC DEVICE NAME
MOVN T2,G$PTYN## ;GET MINUS # OF PTYS IN THE SYSTEM
HRLZS T2 ;MAKE AN AOBJN POINTER
OPEN.1: MOVSI S1,.DVDES+.DVPTY ;GET PTY DESIGNATOR
HRRI S1,(T2) ;LOAD A PTY NUMBER TO TRY FOR
DVCHR ;GET DEVICE CHARACTERISTICS
TXNN S2,DV%AV ;PTY AVAILABLE?
JRST OPEN.3 ;NO - TRY ANOTHER
MOVE S2,S1 ;COPY DVCHR WORD
HRROI S1,P1 ;POINT TO SCRATCH LOCATION
DEVST ;MAKE AN ASCIZ STRING
JRST OPEN.3 ;CAN'T
MOVEI S2,":" ;COLON
IDPB S2,S1 ;END DEVICE SPEC
MOVX S2,.CHNUL ;A <NUL>
IDPB S2,S1 ;END ASCIZ STRING WITH IT
MOVX S1,GJ%SHT ;SHORT FORM OF JFN
HRROI S2,P1 ;POINT TO DESIRED DEVICE
GTJFN ;GET A JFN
JRST OPEN.3 ;CAN'T
MOVEM S1,.JPCHN(R) ;STORE JFN
MOVX S2,7B5+OF%RD+OF%WR ;7 BIT BYTES/READ/WRITE
OPENF ;OPEN THE PTY
JRST OPEN.2 ;CAN'T
ADD T2,G$PTYF## ;MAKE TTY NUMBER
TXO T2,.TTDES ;ADD TERMINAL DESIGNATOR
HRRZM T2,.JPTTY(R) ;STORE IT
MOVE S1,.JPTTY(R) ;GET TTY DESIGNATOR
TXO S1,TL%CRO ;CLEAR LINKS
MOVX S2,<-1> ;FROM ALL TTYS
TLINK ;DO IT
JFCL ;IGNORE ERRORS
MOVE S1,.JPTTY(R) ;GET TTY DESIGNATOR
CFOBF ;CLEAR OUTPUT BUFFER
MOVE S1,.JPCHN(R) ;GET PTY JFN
MOVX S2,.MOAPI ;FUNCTION CODE
HRLI S2,PTYCHN ;GET THE INTERRUPT CHANNEL
TXO S2,MO%WFI!MO%OIR ;WAIT FOR INPUT AND OUTPUT READY
MTOPR ;ATTACH PTY TO INTERRUPT SYSTEM
MOVE S1,.JPCHN(R) ;GET PTY JFN
MOVX S2,.MOBAT ;BATCH FUNCTION
MOVX T1,.MOJCB ;SET THE BATCH PTY BIT
MTOPR ;MAKE PTY A BATCH PTY
MOVEI S1,PTYBLK*5 ;NO - GET CHARACTER COUNT
MOVEM S1,.JPOUT+.BFCTR(R) ;RESTORE BUFFER COUNT
MOVE S1,[POINT 7,.JPTYO(R)] ;BYTE POINTER TO BUFFER
MOVEM S1,.JPOUT+.BFPTR(R) ;STORE IT
$RETT ;RETURN SUCESSFUL
OPEN.2: PUSHJ P,P$CLOS ;CLOSE AND RELEASE THE PTY JFN
OPEN.3: AOBJN T2,OPEN.1 ;TRY NEXT PTY
$RETF ;RETURN UNSUCESSFUL
> ;END OF TOPS-20 CONDITIONAL
SUBTTL P$CLOS - Close a PTY
TOPS10 < ;TOPS-10 ONLY
P$CLOS::MOVE S1,[1,,.FOREL] ;LENGTH AND FUNCTION CODE
PUSHJ P,FILOP ;CLOSE AND RELEASE THE PTY
JFCL ;IGNORE ERRORS
SETOM .JPCHN(R) ;CHANNEL NO LONGER IN USE
POPJ P, ;RETURN
> ;END OF TOPS-10 CONDITIONAL
TOPS20 < ;TOPS-20 ONLY
P$CLOS::MOVE S1,.JPCHN(R) ;GET JFN
CLOSF ;CLOSE THE PTY
SKIPA ;CAN'T
POPJ P, ;RETURN
MOVE S1,.JPCHN(R) ;GET JFN
RLJFN ;RELEASE THE JFN
JFCL ;IGNORE ERRORS
POPJ P, ;RETURN
> ;END OF TOPS-20 CONDITIONAL
SUBTTL P$OBUF - Output a PTY buffer
; Output a PTY buffer
; Call: PUSHJ P,P$OBUF
;
TOPS10 <
P$OBUF::PUSH P,S1 ;SAVE S1
MOVE S1,[1,,.FOOUT] ;LENGTH AND FUNCTION CODE
PUSHJ P,FILOP ;DO OUTPUT
JFCL ;CAN'T FAIL
POP P,S1 ;RESTORE S1
POPJ P, ;RETURN
> ;END OF TOPS-10 CONDITIONAL
TOPS20 < ;TOPS-20 ONLY
P$OBUF::PUSH P,S1 ;SAVE S1
PUSH P,S2 ;SAVE S2
MOVE S1,.JPCHN(R) ;GET JFN
HRROI S2,.JPTYO(R) ;POINT TO BUFFER
SKIPGE T1,.JPOUT+.BFCTR(R) ;LESS THAN ZERO?
SETZ T1, ;YES - MAKE IT ZERO
SUBI T1,PTYBLK*5 ;GET NEGATIVE CHARACTER COUNT
OBUF.1: SOUT ;OUTPUT A BUFFER
ERJMP OBUF.2 ;OUTPUT FAILED?
HRRZI S1,.JPTYO(R) ;GET ADDRESS OF BUFFER
HRLZI S2,.JPTYO(R) ;GET SOURCE ADDRESS
HRRI S2,.JPTYO+1(R) ;MAKE A BLT POINTER
SETZM .JPTYO(R) ;CLEAR THE FIRST WORD
BLT S2,PTYBLK-1(S1) ;CLEAR THE BUFFER
MOVEI S1,PTYBLK*5 ;NO - GET CHARACTER COUNT
MOVEM S1,.JPOUT+.BFCTR(R) ;RESTORE BUFFER COUNT
MOVE S1,[POINT 7,.JPTYO(R)] ;BYTE POINTER TO BUFFER
MOVEM S1,.JPOUT+.BFPTR(R) ;STORE IT
POP P,S2 ;RESTORE S2
POP P,S1 ;RESTORE S1
POPJ P, ;RETURN
OBUF.2: MOVX S1,.FHSLF ;GET OUR PROCESS HANDLE
GETER ;GET LAST ERROR CODE
HRRZS S2 ;KEEP ONLY THE ERROR CODE
CAXE S2,IOX33 ;OUPUT FAILED BECAUSE PTY BUFFER FULL?
JRST OBUF.3 ;NO - SOMETHING WORSE
PUSHJ P,QTS ;YES - TRY AGAIN LATER
MOVE S1,.JPCHN(R) ;GET PTY JFN
JRST OBUF.1 ;GO TRY THE OUTPUT AGAIN
OBUF.3: $IDENT (BATBJC,<? ^I/OUTTXT/>)
$WTO (<BATCON error>,<^R/.JQJBB(R)/^I/OUTTXT/>,.JQOBJ(R),<$WTNOD(.JQLOC(R))>)
JRST B$ABORT## ;CANCEL THE JOB
OUTTXT: ITEXT (<Job canceled because output to PTY failed; ^E/[-2]/>)
> ;END OF TOPS-20 CONDITIONAL
SUBTTL P$IBUF - Input a buffer
TOPS10 < ;TOPS-10 ONLY
P$IBUF::MOVE S1,[1,,.FOINP] ;LENGTH AND FUNCTION CODE
PUSHJ P,FILOP ;DO INPUT
JFCL ;CAN'T FAIL
POPJ P, ;RETURN
> ;END OF TOPS-10 CONDITIONAL
TOPS20 <
P$IBUF::MOVE S1,.JPTTY(R) ;GET TTY DESIGNATOR FOR THIS PTY
SOBE ;CHECK FOR CHARACTERS AVAILABLE
JRST IBUF.1 ;GO GET SOME
$RETF ;NONE - RETURN
IBUF.1: MOVE T1,S2 ;GET CHARACTER COUNT
CAXLE T1,PTYBLK*5 ;MAKE SURE WE DON'T OVER RUN THE BUFFER
MOVX T1,PTYBLK*5 ;LOAD THE MAXIMUM
MOVE S1,.JPCHN(R) ;GET PTY JFN
HRROI S2,.JPTYI(R) ;POINT TO THE INPUT BUFFER
MOVEM T1,.JPINP+.BFCTR(R) ;STORE BYTE COUNT FOR LATER
MOVNS T1 ;AND NEGATE IT FOR THE JSYS
SIN ;READ A BUFFER
ERJMP .+2 ;IGNORE ERRORS
JRST IBUF.2 ;NO ERRORS
SETZM .JPINP+.BFCTR(R) ;CLEAR CHARACTER COUNT ON ERRORS
IBUF.2: MOVEI S1,.JPTYI(R) ;POINT TO THE BUFFER
MOVEM S1,.JPINP+.BFADR(R) ;STORE POINTER
HRLI S1,(POINT 7) ;MAKE A BYTE POINTER
MOVEM S1,.JPINP+.BFPTR(R) ;STORE IT
$RETT ;RETURN
> ;END OF TOPS-20 CONDITIONAL
SUBTTL P$OCHR - Output a character to a PTY
; output a character to a PTY
; Call: MOVE S1,character
; PUSHJ P,P$OCHR
;
; Always returns TRUE with character in S1
;
P$OCHR::SOSGE .JPOUT+.BFCTR(R) ;IS BUFFER FULL?
JRST OCHR.1 ;YES - EMPTY IT
IDPB S1,.JPOUT+.BFPTR(R) ;STORE CHARACTER
$RETT ;RETURN
OCHR.1: PUSHJ P,P$OBUF ;SEND BUFFER TO THE JOB
SETOM .JPEOL(R) ;INDICATE EOL SO ERRORS CAN BE FOUND
PUSH P,S1 ;SAVE SOME ACS
PUSH P,S2 ;...
PUSHJ P,IOWAIT## ;WAIT FOR I/O COMPLETION
SKIPE .JLTIM(R) ;TIME STAMP NEEDED?
TXNE F,FL.SIL ;JOB SILENCED?
SKIPA ;THEN NO TIME STAMP
PUSHJ P,L$LSTP## ;RECORD TIME OF DAY
SETZM .JPEOL(R) ;CLEAR EOL FLAG
POP P,S2 ;RESTORE ACS
POP P,S1 ;...
JRST P$OCHR ;LOOP BACK AND STORE CHARACTER
SUBTTL P$ICHR - Input a character from a PTY
; Input a character
; Call: PUSHJ P,P$ICHR
;
; Returns FALSE if PTY buffer empty
; Returns TRUE with S1 containing a character
;
P$ICHR::SOSGE .JPINP+.BFCTR(R) ;COUNT CHARACTERS
$RETF ;RETURN UNSUCESSFUL
ILDB S1,.JPINP+.BFPTR(R) ;GET A CHARACTER
JUMPE S1,P$ICHR ;IGNORE <NUL>
$RETT ;RETURN SUCESSFUL
SUBTTL P$NXTC - Input next character always
; This routine unlike P$ICHR, will input the next character from a PTY
; even if it requires another buffer to be read in.
;
P$NXTC::PUSHJ P,P$ICHR ;READ A CHARACTER
SKIPF ;DID WE GET ONE?
$RETT ;RETURN SUCESSFUL
MOVX S1,.CHNUL ;LOAD A <NUL> INCASE NO OUTPUT
PUSHJ P,P$STAT ;UPDATE JOB STATUS
TXNE J,JL.UDI ;JOB WANT INPUT?
$RETT ;YES - THEN GIVE UP
PUSHJ P,QTS## ;NO - WAIT FOR NEXT WAKEUP
PUSHJ P,P$IBUF ;READ A BUFFER
JRST P$NXTC ;LOOP BACK AND TRY AGAIN
SUBTTL P$CTLC - Output a Control-C to a PTY
; Send a Control-C to a PTY (all ACs saved)
;
P$CTLC::PUSH P,S1 ;SAVE S1
MOVX S1,.CHCNC ;LOAD A CONTROL-C
PUSHJ P,P$OCHR ;STORE IN OUTPUT BUFFER
POP P,S1 ;RESTORE SAVED AC
TXZ F,FL.ECH ;NEVER IGNORE ^C ECHO
PJRST P$OBUF ;FORCE BUFFER OUT AND RETURN
SUBTTL P$READ - Read a line of output
P$READ::PUSHJ P,B$RINI## ;INITIALIZE THE RESPONSE BUFFER
PUSHJ P,P$IBUF ;INPUT A BUFFER
TXNN R,RL.QTS!RL.DIA ;SKIP WTO STUFF IF IN THE MIDDLE OF TEXT
PUSHJ P,B$WINI## ;INITIALIZE WTO/WTOR OPERATIONS
READ.1: PUSHJ P,P$ICHR ;GET A CHARACTER
JUMPT READ.2 ;DID WE GET ONE?
PJRST B$REOL## ;NO - END RESPONSE BUFFER AND RETURN
READ.2: AOSE .JPEOL(R) ;WAS A LINE TERMINATOR SENT?
SKIPE .JLTIM(R) ;IS THIS THE FIRST CHARACTER ON LINE?
PUSHJ P,B$ECHK## ;YES - CHECK ERROR/OPERATOR CHARACTER
TXNE R,RL.JIE ;IS JOB IN ERROR?
TXZ F,FL.SIL ;YES - CLEAR SILENCE MODE
TXNE R,RL.QTS!RL.DIA ;WAS QUOTES SEEN OR IN DIALOGUE MODE?
PUSHJ P,B$WPUT## ;YES - PUT IN BUFFER FOR WTO/WTOR
TXNE F,FL.SIL ;IS JOB SILENCED?
JRST READ.3 ;YES - DON'T RECORD OUTPUT
PUSHJ P,L$PLOG## ;PUT CHARACTER IN LOG FILE
PUSHJ P,B$RPUT## ;PUT CHARACTER IN RESPONSE BUFFER
READ.3: SETOM .JLTIM(R) ;ASSUME TIME STAMP NEEDED
CAXG S1,.CHFFD ;CHECK FOR EOL CHARACTER
CAXGE S1,.CHLFD ; MUST BE <LF> <VT> OR <FF>
SETZM .JLTIM(R) ;DON'T ISSUE A TIME STAMP
READ.4: SKIPN .JLTIM(R) ;END OF LINE YET?
JRST READ.1 ;NO - TRY FOR MORE OUTPUT
PUSHJ P,B$REOL## ;END RESPONSE BUFFER
TXZN R,RL.QTS ;QUOTES SEEN?
JRST READ.1 ;NO - ONWARD
PUSHJ P,B$WEOL## ;END WTO BUFFER
PUSHJ P,B$WTO## ;DO A WTO
PUSHJ P,B$WINI## ;RESET WTO BUFFER
JRST READ.1 ;BACK FOR MORE INPUT
SUBTTL P$STOP - Stop a job on a PTY
; Stop a job on a PTY (put it into monitor mode)
; Note: It is necessary to put in a clock request on the -20 since
; the monitor lacks the facilities to maintain a stable batch
; system. With every release of the monitor, the process of
; halting a job gets slower and slower...
;
P$STOP::PUSHJ P,P$STAT ;GET JOB'S STATUS
TXNE J,JL.UML ;IN MONITOR MODE ALREADY?
POPJ P, ;YES - RETURN
TOPS10 < ;TOPS-10 ONLY
MOVE TF,[2,,S1] ;SET UP TRMOP. UUO
MOVEI S1,.TOCLR ;GET FUNCTION TO CLEAR MIC STATUS
MOVE S2,.JPTTY(R) ;GET UDX
TRMOP. TF, ;ZAP MIC
JFCL ;IGNORE ERRORS
> ;END OF TOPS-10 CONDITIONAL
TXNN J,JL.UDI ;JOB IN INPUT WAIT?
PUSHJ P,P$CTLC ;NO - SEND AN EXTRA CONTROL-C
PUSHJ P,P$CTLC ;SEND A CONTROL-C
TOPS20 < ;TOPS-20 ONLY
MOVE T1,[.CQHLT,,HLTIME] ;WAIT 'TIL HALTED OR TIMEOUT
MOVEI T2,0 ;NO DISPATCH
PUSHJ P,B$CLKS## ;CREATE A CLOCK REQUEST
> ;END OF TOPS-20 CONDITIONAL
PUSHJ P,IOWAIT## ;WAIT FOR I/O COMPLETION
TXNN R,RL.FKJ ;FAST KJOB?
TXNE J,JL.UML ;JOB IN MONITOR MODE?
POPJ P, ;YES TO EITHER - RETURN
MOVEI S1,STPTYP ;GET ADDRESS OF TYPE ITEXT BLOCK
MOVEI S2,STPTXT ;GET ADDRESS OF MAIN ITEXT BLOCK
MOVEI T1,STPTAB ;GET ADDRESS OF RESPONSE TABLE
PUSHJ P,B$OPER## ;ASK THE OPERATOR FOR HELP
TXNN J,JL.ULI ;JOB STILL THERE?
JRST CLOSJB## ;NO - CANCEL JOB
JRST P$STOP ;YES - TRY AGAIN
STPTYP: ITEXT (<Batch error>)
STPTXT: ITEXT (<Cannot put job ^D/.JBJNO(R)/ in monitor mode.
Type 'RESPOND ^I/NUMBER/ PROCEED' to try again or kill the job>)
STPTAB: $STAB
KEYTAB (0,<PROCEED>)
$ETAB
SUBTTL P$TERM - Set up terminal characteristics
TOPS10 < ;TOPS-10 ONLY
P$TERM::MOVX S1,<XWD -TERMSZ,TERMTB> ;AOBJN POINTER TO TABLE
MOVE T2,.JPTTY(R) ;GET TTY UDX FOR THIS PTY
TERM.1: HLRZ T1,(S1) ;GET A FUNCTION CODE
HRRZ T3,(S1) ;GET ADDRESS OF VALUE
MOVE T3,(T3) ;GET VALUE TO SET
MOVX S2,<XWD 3,T1> ;SET UP CALLI
TRMOP. S2, ;SET A TERMINAL VALUE
JFCL ;THATS OK
AOBJN S1,TERM.1 ;LOOP
POPJ P, ;RETURN
; Table of TRMOP. functions and values
;
TERMTB: XWD .TOLCT+.TOSET,[0] ;TERMINAL HAS LOWER CASE
XWD .TOFRM+.TOSET,[1] ;TERMINAL PERFORMS FORM FEEDS
XWD .TOPAG+.TOSET,[0] ;TURN OFF XOFF/XON PROCESSING
XWD .TOBLK+.TOSET,[0] ;ALLOW BLANK LINES
XWD .TODEM+.TOSET,[0] ;TURN OFF TTY DEFER
TERMSZ==.-TERMTB ;LENGTH OF TABLE
> ;END OF TOPS-10 CONDITIONAL
TOPS20 < ;TOPS-20 ONLY
P$TERM::MOVE S1,.JPTTY(R) ;GET TTY DESIGNATOR
RFMOD% ;READ TTY PARAMETERS
ERJMP .POPJ ;RETURN ON ERROR
TXO S2,TT%MFF!TT%LCA!TT%UOC!TT%LIC ; SET SOME STUFF
TXZ S2,TT%PGM ;CLEAR TTY PAGE
STPAR% ;TELL THE MONITOR
ERJMP .+1 ;CAN'T
POPJ P, ;RETURN
> ;END OF TOPS-20 CONDITIONAL
SUBTTL P$STAT - Get job status
; Return job status in AC 'J'
;
P$STAT::PUSHJ P,JOBSTS ;GET JOB STATUS BITS
TXNN J,JL.UJA ;Job number assigned?
POPJ P, ;NO - JUST RETURN
SKIPL .JBJNO(R) ;IS A JOB NUMBER ALREADY STORRED?
POPJ P, ;YES - JUST RETURN
MOVEM J,.JBJNO(R) ;STORE STATUS WORD
ANDX J,JL.UJN ;KEEP JUST THE JOB NUMBER
EXCH J,.JBJNO(R) ;SWAP DATA
POPJ P, ;RETURN
TOPS10 < ;TOPS-10 ONLY
JOBSTS: MOVE J,.JPCHN(R) ;GET THE PTY CHANNEL NUMBER
JOBSTS J, ;GET THE STATUS
SETZ J, ;ASSUME JOB HAS GONE AWAY
POPJ P, ;RETURN
> ;END OF TOPS-10 CONDITIONAL
TOPS20 < ;TOPS-20 ONLY
JOBSTS: $SAVE <S1,S2,T1> ;SAVE ACS FROM DESTRUCTION
SETZ J, ;CLEAR JOB STATUS
SETZM JSTBLK ;CLEAR FIRST WORD OF JOB STATUS BLOCK
MOVE S1,[JSTBLK,,JSTBLK+1] ;SET UP BLT
BLT S1,JSTBLK+.JIMAX-1 ;CLEAR THE ENTIRE BLOCK
MOVE S1,.JPTTY(R) ;GET THE TERMINAL DESIGNATOR
MOVE S2,[-.JIMAX,,JSTBLK] ;SET UP POINTER
MOVEI T1,.JIJNO ;START WITH THE JOB NUMBER
GETJI ;GET JOB INFORMATION
JFCL ;ASSUME JOB HAS GONE AWAY
SKIPE JSTBLK+.JIUNO ;USER LOGGED IN?
TXO J,JL.ULI ;YES
SKIPE JSTBLK+.JIT20 ;AT MONITOR LEVEL?
TXO J,JL.UML ;YES
MOVE S1,.JPTTY(R) ;GET THE TERMINAL DESIGNATOR
SOBE ;OUTPUT AVAILABLE?
TXO J,JL.UOA ;YES
MOVE S1,.JPTTY(R) ;GET THE TERMINAL DESIGNATOR
RFMOD ;READ CHARACTERISTICS
TXNN S2,TT%ECO ;ECHO TURNED ON?
TXO J,JL.UNE ;NO
MOVE S1,.JPCHN(R) ;GET PTY JFN
MOVEI S2,.MOPIH ;FUNCTION TO CHECK IF PTY WANTS INPUT
MTOPR ;MAKE THE CHECK
ERJMP .POPJ ;GIVE UP WHEN THE -20 GIVES UP
SKIPE S2 ;S2 IS NON-ZERO IF IN INPUT WAIT
TXO J,JL.UDI ;MARK PTY READY FOR INPUT
SKIPL S1,JSTBLK+.JIJNO ;HAVE A JOB NUMBER?
TXO J,JL.UJA ;YES
STORE S1,J,JL.UJN ;STORE JOB NUMBER
POPJ P, ;RETURN
> ;END OF TOPS-20 CONDITIONAL
SUBTTL Miscellaneous
; Routine to do a FILOP. UUO
; Call: MOVE S1,[length,,function]
; PUSHJ P,FILOP
TOPS10 <
FILOP: PUSH P,S2 ;SAVE S2
HRLZ S2,.JPCHN(R) ;GET CHANNEL NUMBER
HRR S2,S1 ;AND FUNCTION CODE
HRRI S1,S2 ;POINT TO FILOP BLOCK
FILOP. S1, ;DO SOMETHING
SKIPA ;PROPAGATE ERROR BACK
AOS -1(P) ;SKIP
POP P,S2 ;RESTORE S2
POPJ P, ;RETURN
> ;END TOPS10 CONDITIONAL
SUBTTL End
END