perm filename ITSBTS.MID[MAC,LSP] blob sn#252876 filedate 1976-12-08 generic text, type T, neo UTF8
;;; ITS BITS THAT ARE OFTEN NEEDED

.AUXIL

;;; CATALOGUE OF RESERVED BIT NAME AND CONSTANT PREFIXES IN ITS

.SEE %CA	;BITS IN CLRAC FOR CORE LINK DEVICE
.SEE %CB	;BITS FOR CORBLK SYMBOLIC SYSTEM CALL
.SEE %CLS	;BITS IN LH OF CLSTB ENTRY
.SEE %DP	;DATAPOINT CURSOR CONTROL CONSTANTS
.SEE %DT	;DTE20 COMMANDS BITS AND CONSTANTS
.SEE %DV	;BITS IN DEVTAB
.SEE %E		;.CALL AND OPEN ERROR CODES
.SEE %H1	;RP04 (RH10) ERROR REGISTER 1
.SEE %H3	;RP04 (RH10) ERROR REGISTER 3
.SEE %HD	;RH10 ERROR BITS IN DRIVE REGISTERS
.SEE %HI	;RH10 CONI BITS
.SEE %HM	;RP04 (RH10) COMMAND CONSTANTS
.SEE %HO	;RH10 CONO BITS
.SEE %HR	;RH10 CONTROLLER AND RP04 DRIVE REGISTER NUMBERS
.SEE %HS	;RP04 (RH10) STATUS REGISTER BITS
.SEE %HW	;FOR KL10, BITS IN RH OF RESULT OF APRID
.SEE %IOT	;BITS IN IOTTB
.SEE %JS	;SPECIAL VALUES FOR <JOB> SPECS
.SEE %MA	;BITS IN MSRAC (MAGTAPE STATUS TABLE)
.SEE %NC	;NETWORK SOCKET CLOSE REASONS
.SEE %NS	;NETWORK SOCKET STATES
.SEE %PC	;KA10 PC FLAGS
.SEE %PF	;KL10 PAGE FAIL WORD BITS
.SEE %PI	;BITS IN PIRQC USER VARIABLE
.SEE %PJ	;BITS IN LH OF PIRQC USER VARIABLE
.SEE %PS	;KL10 PC FLAGS
.SEE %QA	;BITS IN QSRAC (DISK STATUS TABLE)
.SEE %QM	;DISK ACTION MODES IN RH OF QSRAC
.SEE %RL	;BITS FOR COMMANDS TO .REALT UUO
.SEE %SCV	;BITS IN SYSCVL TO CONTROL SYMBOLIC SYSTEM CALLS
.SEE %SS	;STY STATUS BITS IN STYSTS
.SEE %SY	;NAMES FOR SQUOZE FLAGS IN SYMBOL TABLES (NOT DEFINED IN ITS)
.SEE %TA	;BITS IN TTYSTA
.SEE %TB	;BITS IN TTYTBL USER VARIABLE
.SEE %TC	;BITS IN TTYCOM
.SEE %TD	;SOFTWARE TTY CURSOR CONTROL CODE CONSTANTS
.SEE %TF	;BITS IN TPFLAG
.SEE %TG	;BITS IN TTYST1 AND TTYST2
.SEE %TI	;BITS IN LEFT HALF OF TTY INPUT IOCHNM WORD
.SEE %TJ	;BITS IN LH OF TTY OPTPUT IOCHNM
.SEE %TN	;CONSTANTS FOR TCTYP
.SEE %TO	;BITS IN LEFT HALF OF TTYOPT
.SEE %TP	;BITS IN RIGHT HALF OF TTYOPT
.SEE %TS	;BITS IN TTYSTS
.SEE %TT	;BITS IN LEFT HALF OF TTYTYP
.SEE %TX	;ASCII CHARACTER BITS (META, TOP, CONTROL, ETC.)
.SEE %TY	;BITS IN RIGHT HALF OF TTYTYP
.SEE %UC	;FOR KL10, BITS IN LH OF RESULT OF APRID
.SEE %UM	;BITS IN UMAPS VARIABLE, AND ARGS TO PGLD, MPLD1, PLD1.
.SEE %UST	;BITS IN USTP VARIABLE.
.SEE %WY	;WHYINT CODES
.SEE $11	;BYTE POINTERS TO PDP11 FIELDS IN PDP-10 WORDS, ON AI 10-11 INTERFACE.

.SEE MMP	;BITS IN MMP ENTRY 1ST WORD L.H.
.SEE OPT	;BITS IN LH OF .OPTION VARIABLE
.SEE SCL	;BITS IN LH OF SUPCOR
.SEE SCR	;BITS IN RH OF SUPCOR

IFNDEF DEFSYM,[	;ALLOW USER TO USE SYMBOLS IN OTHER WAYS IF HE WISHES.
		;BUT NORMALLY, DEFSYM FOO==BAR DOES FOO==BAR WITH ERROR CHECK.
DEFINE DEFSYM X/
IRPS Z,,[X]
IFNDEF Z,X
.ELSE [
   $$TEM1==Z
   X
   IFN Z-$$TEM1,.ERR Z MULTIPLY .QUOTE`.QUOTE/DEFINED/`
]
.ISTOP
TERMIN TERMIN

IFLE .MLLIT,.ERR .MLLIT MUST BE 1; SETTING IT TO 1.
.MLLIT==1
$$TEMP==1
]
.ELSE $$TEMP==0

;OPEN-FAILURE CODE NAMES.
;3RD AND 4TH LETTER: "TM" = "TOO MANY", "BD" = "BAD OR ILLEGAL",
;	"TF" = "TOO FEW", "RO" = "READ-ONLY", "NA" = "NOT AVAILABLE",
;	"NS" = "NO SUCH", "EX" = "ALREADY EXISTS", "FL" = "FULL",
;	"NR" = "NOT READY".
;5TH AND 6TH LETTER: "JB" = "JOB", "RG" = "ARG", "DV" = "DEVICE",
;	"DR" = "DIRECTORY", "IO" = "DIRECTION", "FL" = "FILE", "FN" = "FILE NAME"
DEFSYM	%E==-100			;BIT TYPEOUT MASK
DEFSYM	%ENSDV==1	;NO SUCH DEVICE
DEFSYM	%ENSIO==2	;WRONG DIRECTION
DEFSYM	%ETMTR==3	;TOO MANY TRANSLATIONS
DEFSYM	%ENSFL==4	;FILE NOT FOUND
DEFSYM	%EFLDR==5	;DIRECTORY FULL
DEFSYM	%EFLDV==6	;DEVICE FULL
DEFSYM	%ENRDV==7	;DEVICE NOT READY
DEFSYM	%ENADV==10	;DEVICE NOT AVAILABLE
DEFSYM	%EBDFN==11	;ILLEGAL FILE NAME
DEFSYM	%ENSMD==12	;MODE NOT AVAILABLE
DEFSYM	%EEXFL==13	;FILE ALREADY EXISTS
DEFSYM	%EBDCH==14	;BAD CHANNEL NUMBER
DEFSYM	%ETMRG==15	;TOO MANY ARGUMENTS (CALL)
DEFSYM	%ENAPK==16	;PACK NOT MOUNTED
DEFSYM	%ENADR==17	;DIRECTORY NOT AVAIL
DEFSYM	%ENSDR==20	;NON-EXISTENT DIRECTORY
DEFSYM	%ELCDV==21	;LOCAL DEVICE ONLY
DEFSYM	%ESCO== 22	;SELF-CONTRADICTORY OPEN
DEFSYM	%ENAFL==23	;FILE LOCKED
DEFSYM	%ETMDR==24	;M.F.D. FULL
DEFSYM	%EMCHN==25	;DEVICE NOT ASSIGNABLE TO THIS PROCESSOR
DEFSYM	%ERODV==26	;DEVICE WRITE-LOCKED
DEFSYM	%ETMLK==27	;LINK DEPTH EXCEEDED
DEFSYM	%ETFRG==30	;TOO FEW ARGUMENTS (CALL)
DEFSYM	%EROJB==31	;CAN'T MODIFY JOB
DEFSYM	%EROPG==32	;CAN'T GET THAT ACCESS TO PAGE
DEFSYM	%EBDRG==33	;MEANINGLESS ARGS
DEFSYM	%EBDDV==34	;WRONG TYPE DEVICE
DEFSYM	%ENSJB==35	;NO SUCH JOB
DEFSYM	%EBOJ== 36	;VALID CLEAR OR STORED SET
DEFSYM	%ENACR==37	;NO CORE AVAILABLE
DEFSYM	%ETOP== 40	;NOT TOP LEVEL
DEFSYM	%ENAPP==41	;OTHER END OF PIPELINE GONE OR NOT OPEN
DEFSYM	%ENAJB==42	;JOB GONE OR GOING AWAY
DEFSYM	%ENSCL==43	;ILLEGAL SYSTEM CALL NAME
DEFSYM	%ENSCH==44	;CHANNEL NOT OPEN
DEFSYM	%ENRBF==45	;INPUT BUFFER EMPTY OR OUTPUT BUFFER FULL
DEFSYM	%EBDFL==46	;UNRECOGNIZABLE FILE (LOAD)
DEFSYM	%EBDLK==47	;LINK TO NON-EXISTENT FILE

NOPNLS==47	;NO DEFSYM BECAUSE THIS SYMBOL IS NOT TO BE PREDEFINED TO USERS

; BITS IN .PIRQC USER VARIABLE - FIRST-WORD INTERRUPTS
; CLASSES ARE:
;  [1] STOPS JOB AND INTERRUPTS SUPERIOR (FATAL INTR)
;  [2] STOPS JOB AND INTERRUPTS SUPERIOR UNLESS ENABLED
;  [3] DOES NOTHING UNLESS ENABLED
; BITS IN THE LH HAVE TWO NAMES: %PI... AS A BIT IN THE WORD,
;  AND %PJ... SHIFTED DOWN BY 18. BITS.

.SEE PIRQC

DEFSYM	%PI==525252,,525252		;FOR BIT-TYPEOUT MODE
DEFSYM	%PIRLT==200000,,	;REAL-TIME TIMER WENT OFF	[3]
DEFSYM	%PIRUN==100000,,	;RUN-TIME TIMER WENT OFF	[3]
DEFSYM	%PIATY==4000,,		;WAS JUST GIVEN THE TTY		[3]
DEFSYM	%PITTY==2000,,		;DON'T HAVE TTY (SEE %TBINT)	[2]
DEFSYM	%PIPAR==1000,,		;MEMORY PARITY ERROR		[1]
DEFSYM	%PIFOV==400,,		;FLOATING OVERFLOW		[3]
DEFSYM	%PIWRO==200,,		;WRITE IN READ-ONLY PAGE	[2]
DEFSYM	%PIFET==100,,		;FETCHED INSN FROM IMPURE PAGE	[2]
DEFSYM	%PITRP==40,,		;SYSTEM UUO IN TRAP MODE	[2]
DEFSYM	%PIDBG==2,,		;SYSTEM BEING DEBUGGED STATE CHG[3]
DEFSYM	%PILOS==1,,		;.LOSE INSTRUCTION EXECUTED	[2]
DEFSYM	%PICLI==400000		;CLI DEVICE OPENED TO THIS JOB	[3]
DEFSYM	%PIPDL==200000		;PUSHDOWN LIST OVERFLOW		[3]
DEFSYM	%PILTP==100000		;LIGHT PEN			[3]
DEFSYM	%PIMAR==40000		;MAR ADDRESS TRAP		[2]
DEFSYM	%PIMPV==20000		;MEMORY PROTECTION VIOLATION	[2]
DEFSYM	%PICLK==10000		;SLOW (1/2 SEC) CLOCK		[3]
DEFSYM	%PI1PR==4000		;SINGLE-INSTRUCTION PROCEED	[1]
DEFSYM	%PIBRK==2000		;.BREAK INSTRUCTION EXECUTED	[1]
DEFSYM	%PIOOB==1000		;ADDRESS OUT OF BOUNDS		[2]
DEFSYM	%PIIOC==400		;I/O CHANNEL ERROR		[2]
DEFSYM	%PIVAL==200		;.VALUE INSTRUCTION EXECUTED	[1]
DEFSYM	%PIDWN==100		;SYSTEM GOING DOWN STATUS CHANGE[3]
DEFSYM	%PIILO==40		;ILLEGAL OPERATION (E.G. UUO)   [2]
DEFSYM	%PIDIS==20		;DISPLAY MEMORY PROTECT		[2]
DEFSYM	%PIARO==10		;ARITHMETIC OVERFLOW		[3]
DEFSYM	%PIB42==4		;BAD LOCATION 42		[1]
DEFSYM	%PIC.Z==2		;↑Z OR CALL TYPED		[1]
DEFSYM	%PITYI==1		;TTY INPUT (OBSOLETE)		[3]

DEFSYM	%PJ==1,,525252			;BIT TYPEOUT MASK
DEFSYM	%PJRLT==200000		;REAL-TIME TIMER WENT OFF	[3]
DEFSYM	%PJRUN==100000		;RUN-TIME TIMER WENT OFF	[3]
DEFSYM	%PJATY==4000		;WAS JUST GIVEN THE TTY		[3]
DEFSYM	%PJTTY==2000		;DON'T HAVE TTY (SEE %TBINT)	[2]
DEFSYM	%PJPAR==1000		;MEMORY PARITY ERROR		[1]
DEFSYM	%PJFOV==400		;FLOATING OVERFLOW		[3]
DEFSYM	%PJWRO==200		;WRITE IN READ-ONLY PAGE	[2]
DEFSYM	%PJFET==100		;FETCHED INSN FROM IMPURE PAGE	[2]
DEFSYM	%PJTRP==40		;SYSTEM UUO IN TRAP MODE	[2]
DEFSYM	%PJDBG==2		;SYSTEM BEING DEBUGGED STATE CHG[3]
DEFSYM	%PJLOS==1		;.LOSE INSTRUCTION EXECUTED	[2]

;;; PC FLAGS (LEFT HALF)

DEFSYM	%PC==1,,525240			;FOR BIT-TYPEOUT MODE
DEFSYM	%PCARO==400000		;ARITHMETIC OVERFLOW
DEFSYM	%PCCR0==200000		;CARRY OUT OF BIT 0
DEFSYM	%PCCR1==100000		;CARRY OUT OF BIT 1
DEFSYM	%PCFOV==040000		;FLOATING OVERFLOW
DEFSYM	%PCFPD==020000		;FIRST PART DONE (E.G. ILDB PTR INCREMENTED, BYTE NOT FETCHED)
DEFSYM	%PCUSR==010000		;USER MODE
DEFSYM	%PCUIO==004000		;USER I/O
DEFSYM	%PCPUR==002000		;GIVE %PIFET IF FETCH INSTR FROM WRITABLE PAGE (KA-10 ONLY)
DEFSYM	%PCSPC==001000		;"SPECIAL" - OBSOLETE
DEFSYM	%PC1PR==000400		;1 PROCEED - GIVE %PI1PR AFTER ONE INSTRUCTION
DEFSYM	%PCX17==000200		;XR 17 = PC (AI ONLY)
DEFSYM	%PCFXU==000100		;FLOATING EXPONENT UNDERFLOW
DEFSYM	%PCDIV==000040		;DIVIDE ERROR

;;; PC FLAGS FOR KL-10

DEFSYM	%PS==1,,525240			;FOR BIT-TYPEOUT MODE
DEFSYM	%PSPCP==400000		;PREVIOUS CONTEXT PUBLIC - PXCT CAN'T REFERENCE CONCEALED PAGE
				;THIS APPLIES ONLY IN EXEC MODE.  IN USER MODE IS STILL %PCARO
DEFSYM	%PSCR0==200000		;CARRY OUT OF BIT 0
DEFSYM	%PSCR1==100000		;CARRY OUT OF BIT 1
DEFSYM	%PSFOV==040000		;FLOATING OVERFLOW
DEFSYM	%PSFPD==020000		;FIRST PART DONE (E.G. ILDB PTR INCREMENTED, BYTE NOT FETCHED)
DEFSYM	%PSUSR==010000		;USER MODE	;	0	0	1	1
DEFSYM	%PSUIO==004000		;USER I/O	;;;	KERNEL	SUPERV	CONCEAL	PUBLIC
DEFSYM	%PSPUB==002000		;PUBLIC MODE	;	0	1	0	1
DEFSYM	%PSPCU==004000		;IN EXEC MODE %PSUIO MEANS PREVIOUS CONTEXT USER.
DEFSYM	%PSINH==001000		;INHIBIT ADDRESS BREAK & TRAP 3 (TURNS OFF AFTER 1 INST)
DEFSYM	%PSTR2==000400		;TRAP 2 (PDL OVERFLOW)	    ;TRAP 1 PLUS TRAP 2
DEFSYM	%PSTR1==000200		;TRAP 1 (ARITH OVERFLOW)    ; MAKES TRAP 3 (ONE PROCEED)
DEFSYM	%PSFXU==000100		;FLOATING EXPONENT UNDERFLOW
DEFSYM	%PSDIV==000040		;DIVIDE ERROR

DEFSYM	%PS1PR==001600		;BITS TO SET TO CAUSE A 1-PROCEED.

;ARPA NETWORK
DEFSYM	%NS==,-1	;SOCKET STATES
DEFSYM	%NSCLS==0	;CLS RECEIVED.  CONNECTION CLOSED (IMSCLS GIVES REASON)
DEFSYM	%NSLSN==1	;LISTENING FOR RFC
DEFSYM	%NSRFC==2	;RFC RECEIVED WHILE IN LISTENING STATE
DEFSYM	%NSRCL==3	;CLS RECEIVED WHILE IN RFC RECEIVED STATE
DEFSYM	%NSRFS==4	;RFC SENT
DEFSYM	%NSOPN==5	;CONNECTION OPEN
DEFSYM	%NSRFN==6	;RFNM WAIT ON WRITE LINK
DEFSYM	%NSCLW==7	;CLS SENT.  WAITING FOR MATCHING CLS
DEFSYM	%NSCLI==10	;CLS RECEIVED BUT INPUT STILL AVAILABLE
DEFSYM	%NSINP==11	;INPUT AVAILABLE

DEFSYM	%NC==,-1	;CLS REASONS (IN IMSCLS)
DEFSYM	%NCNTO==0	;NEVER OPENED
DEFSYM	%NCUSR==1	;CLSED BY USER
DEFSYM	%NCFRN==2	;CLSED BY FOREIGN HOST
DEFSYM	%NCRST==3	;RST
DEFSYM	%NCDED==4	;HOST DEAD
DEFSYM	%NCINC==5	;INCOMPLETE TRANSMISSION
DEFSYM	%NCBYT==6	;BYTE SIZE MISMATCH.
DEFSYM	%NCNCP==7	;OUR NCP WENT DOWN.
DEFSYM	%NCRFS==10	;REQUEST FOR CONNECTION REFUSED

;;; BITS IN RESULT OF APRID (BLKI APR,) ON KL-10
DEFSYM	%UC==1,,525000			;FOR BIT-TYPEOUT MODE
DEFSYM	$UCOPT==331100		;MICROCODE OPTIONS:
DEFSYM	%UCKLP==400000		; KL-10-STYLE PAGING
DEFSYM	%UCITS==20000		; ITS-STYLE PAGING
DEFSYM	%UCTRK==1000		; TRACKS FEATURE
DEFSYM	$UCVRS==221100		;MICROCODE VERSION NUMBER
DEFSYM	%UCVRS==1
DEFSYM	%HW==0,,527777			;FOR BIT-TYPEOUT MODE
DEFSYM	$HWOPT==140600		;HARDWARE OPTIONS
DEFSYM	$HWSER==001400		;PROCESSOR SERIAL NUMBER


;;; CONTROL BITS FOR CORBLK SYSTEM CALL

.SEE NCORBLK
DEFSYM	%CB==1,,525252			;FOR BIT-TYPEOUT MODE
DEFSYM	%CBWRT==400000		;TRY FOR WRITE ACCESS, OK IF CAN'T GET IT
DEFSYM	%CBRED==200000		;TRY FOR READ ACCESS, OK IF CAN'T GET IT
DEFSYM	%CBNDW==100000		;NEED WRITE ACCESS, FAIL IF CAN'T GET IT
DEFSYM	%CBPUB==040000		;MAKE PAGE PUBLIC, REQUIRES WRITE ACCESS
DEFSYM	%CBPRV==020000		;MAKE PAGE PRIVATE, REQUIRES WRITE ACCESS
DEFSYM	%CBNDR==010000		;NEED READ ACCESS, FAIL IF CAN'T GET IT
DEFSYM	%CBCPY==004000		;MAKE A COPY (DISK FILES ONLY)
		;ABOVE BITS ALL ZERO MEANS DELETE PAGE FROM MAP

;;; SPECIAL VALUES FOR <JOB> SPECS

DEFSYM	%JS==,,-1
DEFSYM	%JSELF==,,-1		;SELF (ALL <JOB> SPECS)
DEFSYM	%JSTVB==,,-2		;11TV BUFFER (CORBLK)
DEFSYM	%JSNUL==,,-3		;NULL JOB (KLPERF)
DEFSYM	%JSALL==,,-4		;ALL JOBS (KLPERF)
DEFSYM	%JSNEW==,,-5		;FRESH PAGE (CORBLK)
DEFSYM	%JSABS==,,-6		;ABSOLUTE CORE (CORBLK)
DEFSYM	%JSNUM==400000		;THIS + JOB # => THAT JOB (ALL <JOB> SPECS)
DEFSYM	%JSSUP==400377		;SUPERIOR (ALL <JOB> SPECS)
;A <JOB> SPEC MAY ALSO BE THE NUMBER OF A CHANNEL OPEN ON USR:, BOJ:, OR STY:

;;; CONTROL BITS FOR ".REALT AC," UUO.
;;; FLAG BITS ARE IN LH(AC).

.SEE AREALT
DEFSYM	%RL==1,,525252			;FOR BIT-TYPEOUT MODE
DEFSYM	%RLFLS==400000		;FLUSH OLD TIMER
DEFSYM	%RLSET==200000		;SET NEW CLOCK RATE
DEFSYM	%RLUSR==100000		;TRY TO SEIZE REAL TIME USER FACILITY
DEFSYM	%RLPSD==020000		;ONLY WANT PSEUDO REAL TIME
DEFSYM	%RLNPS==040000		;CANNOT ACCEPT PSEUDO REAL TIME
DEFSYM	%RLBLK==010000		;PROGRAM TO BE BLOCKED EXCEPT FOR HIGH PRIORITY
				; PHASE OR INTERRUPT LEVEL
DEFSYM	%RLGET==004000		;GET PREVIOUS STATUS IN WORDS 3+4
				;REMAINING BITS MUST BE ZERO

;;; BITS OF .OPTION USER VARIABLE.

.SEE OPTION
DEFSYM	OPT==525252(1)		;FOR BIT-TYPEOUT MODE
DEFSYM	OPTTRP==400000		;ALL SYSTEM UUOS TRAP TO SUPERIOR (%PITRP)
DEFSYM	OPTDEC==100000		;UUOS 40,41 AND 47 ARE USER UUOS
		;THE FOLLOWING 3 BITS ARE NOT USED BY SYSTEM.
		;THEY ARE FOR COMMUNICATION FROM SUPERIOR.
DEFSYM	OPTCMD==040000		;SUPERIOR SAYS IT HAS CMD STRING - DO .BREAK 12,.
DEFSYM	OPTBRK==020000		;SUPERIOR SAYS IT HANDLES ALL .BREAK'S.
DEFSYM	OPTDDT==010000		;SUPERIOR SAYS HE'S DDT. (CLEARED WHEN DDT DISOWNS)
DEFSYM	OPTINT==004000		;NEW STYLE VECTORING INTS.
DEFSYM	OPTOJB==002000		;ALLOW OTHER JOBS TO OPEN ME ON THE OJB DEVICE.
				;OPENING ME ON OJB DEVICE TURNS ME INTO A JOB DEVICE.
DEFSYM	OPTLOK==001000		;ENABLE SWITCH-UNLOCKING FEATURE
		.SEE IODCSW	;SEE COMMENT THERE FOR DESCRIPTION.
DEFSYM	OPTLIV==000400		;DON'T KILL THIS TOP LEVEL JOB WHEN SYS GOES DOWN
DEFSYM	OPTOPC==000200		;INTERRUPTS THAT ABORT AN INSTRUCTION SHOULD
				;LEAVE THE PC POINTING TO THAT INSTRUCTION
				;(OTHERWISE IT GETS AOS'ED)
DEFSYM	OPTLSP==000100		;SUPERIOR SAYS HE'S LISP
DEFSYM	OPTLKF==000040		;UNLOCK LOCKS ON FATAL INTERRUPT

;;; FIRST RESULT OF .CALL WHYINT

DEFSYM	%WY==,-1
DEFSYM	%WYTYI==1		;TTY INPUT
DEFSYM	%WYTYO==2		;TTY OUTPUT
DEFSYM	%WYSTI==3		;STY INPUT
DEFSYM	%WYSTO==4		;STY OUTPUT
DEFSYM	%WYNET==5		;ARPANET

IFN $$TEMP,EXPUNG DEFSYM