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pal10.mac
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TITLE PAL10 V142A(143) 21-MAR-74
SUBTTLE REENTRANT VERSION
; R.C. BOWERING - TRADITIONAL PRODUCTS
; SHARABLE VERSION B.G. DUERR/RCC
; RANDOM CRUD RFL
;***COPYRIGHT 1972,1973,1974 DIGITAL EQUIPMENT CORP., MAYNARD, MASS.***
EXTERNAL .JBREL, .JBFF, .JBDDT, .JBSYM
INTERNAL JOBVER,JOBCOR
JOBVER=137
JOBCOR=133
IFNDEF SHARE,<SHARE==1> ;1 FOR SHARE = REENTRANT VERSION
IF2,<IFE SHARE,< SUBTTLE NON-REENTRANT VERSION>>
IFN SHARE,<HISEG>
VPAL==142
VUPDATE==1
VEDIT==143
VCUSTOM==0
LOC JOBVER
<VCUSTOM>B2+<VPAL>B11+<VUPDATE>B17+VEDIT ;PROGRAM VERSION #
RELOC
TITLE: SIXBIT/PAL10/
SUBTTL: SIXBIT/V142A/
IFE SHARE,<
DEFINE XX (A1,A2,A3)<
A1: BLOCK A2
>
LOC JOBCOR
EXP 7777
RELOC
>
IFN SHARE,<
ZZ=140
DEFINE XX (A1,A2,A3)<
A1=ZZ
ZZ=ZZ+A2
>
>
;BITS FOR GETCHR STATUS AND IO STATUS CALLS:
TTYDEV= 000010 ;1-DEVICE IS A TTY
DTADEV= 000100 ;1-DEVICE IS A DTA
PTRDEV= 000200 ;1-DEVICE IS A PTR
LPTDEV= 040000 ;1-DEVICE IS A LPT
CDRDEV= 100000 ;1-DEVICE IS A CDR
IODATA= 200000 ;1-IO DATA ERROR
IODEV= 100000 ;1-IO PARITY ERROR
IOWRLK= 400000 ;1-IO WRITE LOCK ERROR
IOBKTL= 040000 ;1-IO BLOCK TOO LARGE
IOEOF= 020000 ;1-END OF FILE ON IO DEVICE
%00= 0
%01= 1
%02= 2
%03= 3
%04= 4
%05= 5
%06= 6
%07= 7
%10= 10
%11= 11
%12= 12
%13= 13
%14= 14
%15= 15
%16= 16
%17= 17
OPDEF RESET [CALLI 0]
OPDEF DEVCHR [CALLI 4]
OPDEF CORE [CALLI 11]
OPDEF UTPCLR [CALLI 13]
OPDEF DATE [CALLI 14]
OPDEF MSTIME [CALLI 23]
OPDEF RUNTIM [CALLI 27]
OPDEF ZBINK [CLOSE BIN,]
CRFSYM=1
CRFMAC=5
CRFOPC=3
CRSYMD=2
CRFMAD=6
CRFPFX=177
CRFSOL=102
CRFEOL=103
;COMPILER AND EXEC FLAGS
;FLAGS SET BY EXEC, USED BY COMPILER (LEFT HALF OF AC F OR %16)
LSTBIT= 001 ; 1-SUPRESS LISTING OUTPUT
BINBIT= 002 ; 1-SUPRESS BINARY OUTPUT
CSWBIT= 004 ; 1-SUPRESS CROSS REFERENCE
MSWBIT= 020 ; 1-SUPRESS MACRO LISTING
NSWBIT= 040 ; 1-SUPRESS ERRORS ON TTY
TTYBIT= 200 ; 1-LISTING IS ON TTY
XLBIT= 001000 ; 1-XLIST IS IN PROGRESS
NOPBIT= 002000 ; 1-NOPUNC IN EFFECT
DSWBIT= 004000 ; 1-/D SET
NSRBIT= 010000 ; 1-NEW SOURCE FILE
XSWBIT= 020000 ; 1-SUPPRESS BIT MAP LISTING
LSWBIT= 040000 ; 1-SUPPRESS CREF ON LITERALS
PALXSW= 0
PAL3SW= 1
PAL8SW= 2
PALDSW= 3
PALSSW= 4
SBX= 1B<PALXSW>
SB3= 1B<PAL3SW>
SB8= 1B<PAL8SW>
SBD= 1B<PALDSW>
SBS= 1B<PALSSW>
;VARIABLE PARAMETERS
IFNDEF PAGSIZ,
<
PAGSIZ= ^D54 ;NUMBER OF LINES ON A PAGE
>
IFNDEF NUMBUF,
<
NUMBUF= 2 ;NUMBER OF BUFFERS PER DEVICE
>
CORINC= 2000 ;CORE INCREMENT
IFNDEF SPL,
<
SPL= 4 ;SYMBOLS PER LINE
>
IFNDEF SPLTTY,
<
SPLTTY= 3
>
IFNDEF CPL,
<
CPL= ^D120 ;CHARACTERS PER LINE
>
IFNDEF TTLLEN,
<
TTLLEN= ^D60 ;TITLE BUFFER LENGTH
>
PDPLEN= 40 ;PUSH-DOWN STACK LENGTH
;FLAGS SET AND USED ONLY BY THE EXEC
ARWBIT= 1 ;1-LEFT ARROW SEEN
EXTBIT= 2 ;1-EXPLICIT EXTENSION SEEN
SWTBIT= 4 ;1-ENTER SWITCH MODE
INFOBIT=10 ;1-VALID INFORMATION SEEN
ENDBIT= 400 ;1-END OF ALL INPUT FILES
SLSHBIT=1000 ;1-SWITCH MODE ENTERED WITH A </>
HDRSAV= 2000 ;HDRBIT SAVE FOR LITERAL DUMP
NULBIT= 10000 ;1-NON-NULL COMMAND STRING
HDRBIT= 40000
SEQBIT= 100000
FSCBIT= 200000 ;1-NOT FIRST SRC INIT
TTO= 0 ;DEVICE CHANNELS
BIN= 1
LST= 2
SRC= 3
TTI= 4
TAB= 11
FF= 14
SPACE= 40
HASH= 47 ;HASH MARK FOR GENERATED LINKS
RUBOUT= 177
P1F= 400000 ;%15 LEFT
XLFLG= 2
SRCFLG= 4
LINFLG= 10
IFDFLG= 20
NEGFLG= 40
LITFLG= 100 ;1-LITERALS PERMITTED
CODFLG= 200 ;1-CODE STORED IN THIS FIELD
CSYBIT= 400 ;1 MEANS CREF OUTPUT BLK IN PROCESS
OPDEF JUMP1 [JUMPL %15, ]
OPDEF JUMP2 [JUMPGE %15, ]
PAL: RESET ;RESET ALL I/O
MOVNI %17,PDPLEN ;SET PUSHDOWN POINTER
HRLS %17
HRRI %17,PDPBUF-1
IFN SHARE,<
MOVEI %00,EZCOR+1 ;INITIALIZE LOW SEGMENT
MOVEM %00,.JBFF
MOVEI %00,3777 ;SET FOR 2K
>
IFE SHARE,<
MOVEI %00,7777 ;SET FOR 4K
SKIPN .JBDDT ;UNLESS DDT IS LOADED
CAMN %00,.JBREL
CAIA
>
PUSHJ %17,PANIC1
MOVE %00,[XWD BZCOR,BZCOR+1]
SETZB %01,BZCOR
BLT %00,EZCOR-1
RUNTIM %01,
MOVEM %01,RUNTIM
DATE %00,
MOVEM %00,DATE ;SAVE DATE
MSTIME %00,
MOVEM %00,MSTIME ; AND TIME
MOVSI %16,BINBIT!LSTBIT!CSWBIT
HRRI %16,HDRBIT
MOVSI %15,P1F ;SET FOR PASS1
MOVE %00,[INIT TTI,1]
MOVSI %01,(SIXBIT /TTY/)
MOVEI %02,TTIBUF
PUSHJ %17,INISET ;INITIALIZE TTY FOR INPUT
INBUF TTI,1 ;GIVE IT AN INPUT BUFFER
MOVE %00,[INIT TTO,1]
MOVSI %02,TTOBUF
MOVSI %03,(AOS 0(%17));SET FOR LOGICAL ASSIGNMENT TEST
MOVEI %10,5
MOVE %01,[SIXBIT /TTY P3 P8 PD PS P10 /](%10)
PUSHJ %17,%00 ;TEST
CAIA
SOJA %10,.-3 ;NO, TRY NEXT ITEM
CAIL %10,5 ;TOTAL
SETZ %10, ;INEFFICIENCY - PERMIT FULL PAL10 OPTIONS WITH
; ERRORS ON NON-TTY
MOVEM %10,MODSW ;OK, SET MODE
OUTBUF TTO,4
MOVEI %02,"*" ;TYPE AN ASTERISK AT THE USER
PUSHJ %17,TTYDMP ;...
OUTPUT TTO, ;REALLY OUTPUT IT
INPUT TTI, ;GET A COMMAND STRING
MOVSI %01,(SIXBIT /DSK/)
PUSHJ %17,GETBIN ;INITIALIZE THE BINARY FILE
MOVSI %01,(SIXBIT /DSK/)
TRNN %16,ARWBIT ;GO ON TO SOURCE IF _ HAS BEEN SEEN
PUSHJ %17,GETLST ;INITIALIZE THE LISTING FILE
MOVE %05,.JBFF
MOVEM %05,.JBFFI ;SAVE START OF SRC BUFFER
MOVE %05,TTIPNT
MOVEM %05,TTISAV ;SAVE TTI POINTER
MOVSI %01,(SIXBIT /DSK/)
PUSHJ %17,GETSRC ;INITIALIZE THE SOURCE FILE
MOVEI %05,204 ;COMPUTE MAX BUFFER SIZE
IMUL %05,INBCNT
ADD %05,.JBFFI
TRNN %16,ENDBIT ;MULTI-FILE?
MOVEM %05,.JBFF ; YES, SAVE LARGEST BUFFER SIZE
MOVE %05,.JBFF
ADDI %05,1
HRRZM %05,CORBOT ;CORE BOTTOM
MOVE %05,.JBREL
SKIPE .JBDDT ;DDT LOADED?
MOVE %05,.JBSYM ; YES, DON'T CLOBBER SYMBOLS
SUBI %05,1
HRRZM %05,CORTOP ;CORE TOP
PUSHJ %17,ACSAVE ;SAVE EXEC AC'S
MOVE %12,MODSW ;SET MODE SWITCH
PUSHJ %17,PASS1 ;PROCESS PASS1
TLZ %15,P1F ;SET FOR PASS 2
TRZ %16,ENDBIT
PUSHJ %17,ACSAVE ;GET EXEC AC'S
MOVE %05,TTISAV
MOVEM %05,TTIPNT ;RESTORE INPUT COMMANDS
MOVSI %01,(SIXBIT /DSK/)
PUSHJ %17,GETSRC ;GET A SOURCE FILE
PUSHJ %17,ACSAVE ;SAVE EXEC AC'S
PUSHJ %17,PASS2 ;PROCESS PASS 2
PUSHJ %17,LSTCR ;SKIP ONE LINE
PUSHJ %17,ACSAVE ;SWAP AC'S
TLZ %16,NSWBIT ;BE SURE TO TYPE FINAL MESSAGE
PUSHJ %17,ERRCR ;SKIP A LINE
MOVEI %02,"?" ;ASSUME ERROR
SKIPE %11,ERRCNT ;TEST ERRORS, LOAD %11
PUSHJ %17,ERROUT
MOVEI %10,[ASCIZ / ERRORS DETECTED: 5/]
PUSHJ %17,LSTMSG
PUSHJ %17,ERR2CR
SETZ %11,
MOVE %11,LINKS ;OUTPUT LINKS GENERATED
MOVEI %10,[ASCIZ / LINKS GENERATED: 5/]
PUSHJ %17,LSTMSG
PUSHJ %17,ERR2CR
SETZ %11,
RUNTIM %11, ;GET RUNTIM
SUB %11,RUNTIM ;DEDUCT STARTING TIME
IDIVI %11,^D1000 ;CONVERT TO SECONDS
ADDI %11,1 ;ROUND HIGH
MOVEI %10,[ASCIZ / RUN-TIME: 5 SECONDS/]
PUSHJ %17,LSTMSG
PUSHJ %17,ERR2CR
HRRZ %11,.JBREL ;GET TOP OF COR
ASH %11,-^D10 ;CONVERT TO "K"
ADDI %11,1 ;BE HONEST ABOUT IT
MOVEI %10,[ASCIZ / 5K CORE USED/]
PUSHJ %17,LSTMSG ;LIST MESSAGE
PUSHJ %17,ERR2CR
JRST EXIT ;CLOSE OUT
;INITIALIZE A BINARY FILE
;COLLECTS A DEVICE NAME IN AC %01, A FILE NAME IN XE, AND
;AN OPTIONAL FILE NAME EXTENSION, THE DEVICE IS INITIALIZED IN
;BINARY MODE ON CHANNEL ONE, WITH EITHER ONE OR TWO BUFFERS.
GETBIN: MOVSI %13,(Z BIN,) ;SET SWITCH AC
PUSHJ %17,GETCHR ;GET A DEVICE NAME AND FILE NAME
POPJ %17, ;NULL FILE EXIT
MOVE %00,%01 ;GET AN EXTRA COPY OF THE DEVICE
DEVCHR %00, ;TEST ITS CHARACTERISTICS
TLNE %00,TTYDEV!PTRDEV!LPTDEV!CDRDEV
JRST ERRTB ;ILLEGAL FOR BINARY
MOVE %00,[INIT BIN,10] ;INIT IMAGE MODE
MOVSI %02,BINBUF ;GET BUFFER HEADER ADDRESS
PUSHJ %17,INISET ;INITIALIZE THE BINARY DEVICE
OUTBUF BIN,NUMBUF
TLNE %13,777000 ;IS THERE A SWITCH TO PROCESS?
XCT %13 ;EXECUTE THE ASSEMBLED UUO
TRZN %16,EXTBIT ;WAS THERE AN EXTENSION
MOVSI %14,(SIXBIT /BIN/) ;SAVE EXTENSION IN LOOKUP BLOCK
HLLZM %14,XE1
ENTER BIN,XE ;ENTER FILE NAME IN DIRECTORY
JRST ERRNR ;DIRECTORY FULL
TLZ %16,BINBIT ;INDICATE GOOD BINARY FILE
POPJ %17, ;EXIT
;INITIALIZE A LISTING FILE
;COLLECTS A DEVICE NAME IN AC %01, A FILE NAME IN XE AND
;AN OPTIONAL FILENAME EXTENSION, THE DEVICE IS INITIALIZED IN
;ASCII LINE MODE ON CHANNEL 2, IF THE DEVICE IS A TTY, THE
;TTYLST FLAG IS SET TO 1, AND THE INBUF/OUTBUF INDEX IS INCREMENTED.
GETLST: MOVSI %13,(Z LST,) ;SET SWITCH AC
SETZM XE
PUSHJ %17,GETCHR ;GET A DEVICE AND FILE NAME
TLNN %16,CSWBIT
CAIA
POPJ %17,
TLNE %16,CSWBIT
JRST GETLS2 ;NORMAL
MOVSI %04,(SIXBIT /CRF/)
SKIPE XE
JRST GETLS1
MOVE %03,[SIXBIT /CREF/]
MOVEM %03,XE
GETLS1: TRON %16,EXTBIT
MOVE %14,%04
GETLS2: MOVE %00,[INIT LST,1]
MOVSI %02,LSTBUF ;GET BUFFER HEADER ADDRESS
PUSHJ %17,INISET ;INITIALIZE LISTING FILE
MOVE %00,%01
DEVCHR %00, ;GET DEVICE CHARACTERISTICS
TLNE %00,TTYDEV ;IS IT A TTY?
TLO %16,TTYBIT ;SET FLAG
OUTBUF LST,NUMBUF
TLNE %13,777000 ;IS THERE A SWITCH TO PROCESS?
XCT %13 ;EXECUTE THE ASSEMBLED UUO
TRZN %16,EXTBIT ;WAS THERE AN EXTENSION?
MOVSI %14,(SIXBIT /LST/) ;NO
HLLZM %14,XE1 ;SAVE EXTENSION IN LOOKUP BLOCK
ENTER LST,XE ;ENTER FILE NAME IN DIR.
JRST ERRNR ;DIRECTORY FULL
TLZ %16,LSTBIT ;INDICATE A GOOD LISTING FILE
POPJ %17, ;EXIT
;INITIALIZE A SOURCE FILE
;COLLECTS A DEVICE NAME IN AC %01, A FILE NAME IN XE AND
;AN OPTIONAL FILE NAME EXTENSION. THE DEVICE IS INITIALIZED
;IN ASCII LINE MODE ON CHANNEL 3, AND THE FILE NAME ASSOCIATED
;WITH THE SOURCE FILE IS USED AS THE TITLE ON THE LISTING.
GETSRC: TLO %16,NSRBIT ;FLAG NEW SOURCE FILE
MOVSI %13,(Z SRC,) ;SET SWITCH AC
SETZM XE
PUSHJ %17,GETCHR ;GET A DEVICE NAME AND FILE NAME
JRST ERRSE ;COMMAND ERROR IF A NULL
TROE %16,FSCBIT ;FIRST TIME THROUGH?
JRST SRC1 ; NO
MOVEI %05,NUMBUF ; SET UP BUFFERING SCHEME
MOVEM %05,INBCNT ;SAVE THE NUMBER
SRC1: MOVE %00,[INIT SRC,1]
MOVEI %02,SRCBUF ;GET BUFFER HEADER ADDRESS
PUSHJ %17,INISET ;INITIALIZE THE SOURCE DEVICE
MOVE %05,.JBFFI
MOVEM %05,.JBFF ;SET TO TOP OF INPUT BUFFER
INBUF SRC,@INBCNT
TLNE %13,777000 ;IS THERE A SWITCH TO PROCESS?
XCT %13 ;EXECUTE THE ASSEMBLED UUO
TRZE %16,EXTBIT ;WAS AN EXPLICIT EXTENSION SEEN?
JRST SRC3A ;YES, LOOK FOR IT
MOVSI %14,(SIXBIT /PAL/)
HLLZM %14,XE1 ;NO, TRY .SRC FIRST
LOOKUP SRC,XE
TDZA %14,%14 ;NOT FOUND, TRY BLANK
POPJ %17, ;FOUND
SRC3A: HLLZM %14,XE1 ;SAVE EXTENSION IN LOOKUP BLOCK
HLLZM %14,EXTSAV ;SAVE EXTENSION FOR HEADER
LOOKUP SRC,XE ;LOOKUP FILE NAME
JRST ERRCF ;FILE NOT FOUND
POPJ %17, ;EXIT
;EXEC COMMAND STRING DISPATCHING
;THIS ROUTINE PICKS UP CHARACTERS FROM THE EXEC TTY BUFFER AND
;DISPATCHES TO THE PROPER ROUTINE DEPENDING ON THE TYPE OF
;CHARACTER. A TABLE OF BYTES AND BYTE POINTERS ALLOWS EACH CHARAC-
;TER IN THE ASCII SET TO BE TREATED INDIVIDUALLY.
GETCHR: SETZ %14, ;CLEAR SYMBOL WORD
MOVE %06,[POINT 6,%14]
GETCMN: PUSHJ %17,GETTTI ;GET NEXT CHARACTER
CAIN %05,"[" ;PROJECT-PROGRAMMER PAIR?
JRST LFTBRA ;YES
CAIGE %10,4 ;MODIFY CODE IF .GE. 4
TRNN %16,SWTBIT ;MODIFY IF SWITCH IS ON
ADDI %10,4 ;CHANGE DISPATCH BY ADDING 4
HRRZ %02,DSPTCH(%10) ;LOAD RIGHT HALF DISPATCH
CAIL %10,10 ;SKIP IF CORRECT
HLRZ %02,DSPTCH-10(%10);OTHERWISE, GET LEFT HALF DSPTCH
JRST @%02 ;GO TO CORRECT ROUTINE
GETTTI: ILDB %05,TTIPNT ;GET A CHARACTER FROM TTY BUFFER
MOVE %10,%05 ;ANOTHER COPY OF IT IN AC %10
IDIVI %10,8 ;TRANSLATE TO 4-BIT CODE
LDB %10,TABLE(%11) ;USE PROPER BYTE POINTER
CAIN %10,4 ;IS IT A NULL?
JRST GETTTI ;YES, TRY AGAIN
POPJ %17, ;NO, EXIT
;COMMAND DISPATCH TABLE AND BYTE POINTERS
DSPTCH: XWD GETCMN, ERRBS ;IGNORED CHAR, BAD CHAR(SWITCH)
XWD SWTCH, SWTCHA ;<(>, LETTER(SWITCH MODE)
XWD COLON, ERRBS ;<:>, NUMBER(SWITCH MODE)
XWD PERIOD, SWTCHE ;<.>,<)>ESCAPE SWITCH MODE
XWD LFTARW, ERRIC ;<_> OR <=>, BAD CHAR (NORMAL MODE)
XWD COMMA, STORE ;<,>,ALPHABETICH CHAR (NORMAL)
XWD CARRTN, STORE ;<CR>,NUMERIC CHAR (NORMAL)
XWD SLASH, ERRIC ;</>, <)> ILLEGAL ESCAPE
TABLE: POINT 4, BITE(%10), 3
POINT 4, BITE(%10), 7
POINT 4, BITE(%10), 11
POINT 4, BITE(%10), 15
POINT 4, BITE(%10), 19
POINT 4, BITE(%10), 23
POINT 4, BITE(%10), 27
POINT 4, BITE(%10), 31
;BYTE TABLE FOR DISPATCHING
;CLASSIFICATION BYTE CODES
; BYTE DISP CLASSIFICATION
; 00 00 ILLEGAL CHARACTER, SWITCH MODE
; 01 01 ALPHABETIC CHARACTER, SWITCH MODE
; 02 02 NUMERIC CHARACTER, SWTICH MODE
; 03 03 SWITCH MODE ESCAPE, SWITCH MODE
; 00 04 ILLEGAL CHARACTER, NORMAL MODE
; 01 05 ALPHABETIC CHARACTER, NORMAL MODE
; 02 06 NUMERIC CHARACTER, NORMAL MODE
; 03 07 SWITCH MODE ESCAPE, NORMAL MODE
; 04 10 IGNORED CHARACTER
; 05 11 ENTER SWITCH MODE WITH A <(>
; 06 12 DEVICE DELIMITER, <:>
; 07 13 FILE EXTENSION DELIMITER, <.>
; 10 14 OUTPUT SPEC. DELIMITER, <_> OR <=>
; 11 15 FILE DELIMITER, <,>
; 12 16 COMMAND TERMINATOR, <CR>
; 13 17 ENTER SWITCH MODE WITH </>
;BYTE TABLE:
BITE:
BYTE (4) 4, , , , , , ,
BYTE (4) , 4,12, 4, 4,12, ,
BYTE (4) , , , , , , ,
BYTE (4) , ,12, , , , ,
BYTE (4) 11, , 4, , , , ,
BYTE (4) 5, 3, , ,11, , 7,13
BYTE (4) 2, 2, 2, 2, 2, 2, 2, 2
BYTE (4) 2, 2, 6, , ,10, ,
BYTE (4) , 1, 1, 1, 1, 1, 1, 1
BYTE (4) 1, 1, 1, 1, 1, 1, 1, 1
BYTE (4) 1, 1, 1, 1, 1, 1, 1, 1
BYTE (4) 1, 1, 1, , , , ,10
BYTE (4) , , , , , , ,
BYTE (4) , , , , , , ,
BYTE (4) , , , , , , ,
BYTE (4) , , , , ,12, , 4
;LEFT ARROW PROCESSOR
LFTARW: TRO %16,ARWBIT ;SET APPROPIATE FLAGS
TRNN %16,EXTBIT ;IS THIS A FILE NAME EXTENSION?
MOVEM %14,XE ;NO, ITS A FILE NAME
TRZE %16,INFOBIT ;IS THIS A NULL FILE?
CPOPJ1: AOS (%17) ;GOOD EXIT
CPOPJ: POPJ %17, ;...
;PERIOD PROCESSOR
PERIOD: TRO %16,EXTBIT ;SET FLAG FOR EXPLICIT EXTENSION
MOVEM %14,XE ;SAVE THE FILE NAME
JRST GETCHR ;RE-ENTER THE GETCHR ROUTINE
;COLON PROCESSOR
COLON: MOVE %01,%14 ;SET UP NEW DEVICE NAME
JRST GETCHR ;RETURN FOR MORE COMMAND
;COMMA PROCESSOR
COMMA: TRZN %16,INFOBIT ;IS THIS A NULL FILE?
TRNE %16,ARWBIT ;ONLY LOOK FOR THEM IF NO _
SKIPA ;NOT A NULL FILE
POPJ %17, ;NULL FILE, EXIT
COMMA1: TRNN %16,EXTBIT ;DO WE HAVE A FILE NAME EXTENSION?
MOVEM %14,XE ;NO, IT WAS A FILE NAME
JRST CPOPJ1 ;GOOD EXIT
;CARRIAGE RETURN PROCESSOR
CARRTN: TRNN %16,NULBIT ;IS THIS JUST A RANDOM CR?
JRST PAL ;YES, RESTART COMPLETELY
TRO %16,ENDBIT ;IS THIS A NORMAL MODE COMMAND?
TRNN %16,ARWBIT ;YES, HAS A LEFT ARROW BEEN SEEN?
JRST ERRSE ;NO, SYNTAX ERROR
JRST COMMA1 ;YES, TREAT IT LIKE A COMMA
;THE FOLLOWING TWO ROUTINES HANDLE ALPHANUMERIC CHARACTERS
;FOUND IN THE COMMAND STRING. IN NORMAL MODE, THE CHARACTER
;IS DEPOSITED TO FORM A SIXBIT SYMBOL. IN SWITCH MODE, THE
;PROPER INSTRUCTION IS EXECUTED WITH THE AID OF A DISPATCH
;TABLE. THEN, IF SWITCH MODE WAS ENTERED WITH A SLASH, THE
;EXEC EXITS FROM SWITCH MODE.
STORE: TRO %16,INFOBIT+NULBIT;TURN ON BITS FOR CR ROUTINE
SUBI %05,40 ;CONVERT SIXBIT TO ASCII
TLNE %06,770000 ;DON'T STORE IF NO ROOM FOR CHAR
IDPB %05,%06 ;PLOP THE CHARACTER INTO AC %14
JRST GETCMN ;RETURN
SWTCHA: MOVEI %11,-"A"(%05)
MOVE %10,[POINT 4,BYTAB]
IBP %10
SOJGE %11,.-1
LDB %11,%10
JUMPE %11,ERRBS
CAIG %11,SWTABA-SWTAB;THIS SWITCH LEGAL FOR INPUT?
TRNN %16,ARWBIT ; NO, ERROR IF "_" SEEN
XCT SWTAB-1(%11)
JRST ERRBS
TRZE %16,SLSHBIT ;CALLED BY A SLASH?
TRZ %16,SWTBIT ;YES, EXIT FROM SWITCH MODE
JRST GETCMN ;NO, RETURN FOR MORE CHARACTERS
;THE FOLLOWING THREE ROUTINES HANDLE THE CONTROL CHARACTERS
;IN THE COMMAND STRING WHICH CAUSE THE EXEC TO ENTER INTO AND
;EXIT FROM SWITCH MODE. THERE ARE TWO TYPES OF SWITCH MODE,
;DEPENDING ON WHETHER IT IS ENTERED WITH A </> OR A <(>.
SLASH: TRO %16,SLSHBIT ;TURN ON THE SPECIAL SWITCH MODE
SWTCH: TROA %16,SWTBIT ;TURN ON NORMAL SWITCH MODE
SWTCHE: TRZ %16,SWTBIT ;TURN OFF THE NORMAL SWITCH MODE
JRST GETCMN ;RETURN FOR MORE CHARACTERS
;DISPATCH TABLE FOR SWITCHES
DEFINE SETSW (LETTER, INSTRUCTION) <
INSTRUCTION
Y=<"LETTER"-"A">-^D9*<X=<"LETTER"-"A">/^D9>
SETCOD \X,Y>
DEFINE SETCOD (X,Y)
<BYTAB'X=BYTAB'X!<.-SWTAB>B<4*Y+3>>
BYTAB0= 0
BYTAB1= 0
BYTAB2= 0
SWTAB:
SETSW P,<PUSHJ %17,SETPSW>
SETSW C,<TLZA %16,CSWBIT>
SETSW Z,<TDOE %13, [UTPCLR ]>
SWTABA:
SETSW A,<TDOE %13, [MTAPE 16]>
SETSW B,<TDOE %13, [MTAPE 17]>
SETSW T,<TDOE %13, [MTAPE 10]>
SETSW W,<TDOE %13, [MTAPE 1]>
SETSW M,<TLOA %16,MSWBIT>
SETSW N,<TLOA %16,NSWBIT>
SETSW D,<TLOA %16,DSWBIT>
SETSW X,<TLOA %16,XSWBIT>
SETSW L,<TLOA %16,LSWBIT>
BYTAB: +BYTAB0
+BYTAB1
+BYTAB2
IF2, <PURGE X, Y, BYTAB0, BYTAB1, BYTAB2 >
SETPSW: ;TEST SPECIAL PAL SWITCH
PUSHJ %17,GETTTI ;GET THE NEXT CHARACTER
SETZ %10, ;RESET COUNT
MOVE %11,[POINT 7,[ASCIZ /X38DS/],]
ILDB %02,%11 ;GET A CHARACTER
JUMPE %02,CPOPJ ;EXIT IF END
CAME %02,%05 ;HAVE WE A MATCH?
AOJA %10,.-3 ; NO, TRY AGAIN
MOVEM %10,MODSW ; YES, SET MODE
AOS 0(%17) ;OK, SET SKIP-RETURN
POPJ %17, ;EXIT
LFTBRA: SETZM XE3 ;CLEAR NUMBER
LFTBR1: HRLZS XE3 ;COMMA, MOVE TO LEFT HALF
LFTBR2: PUSHJ %17,GETTTI ;GET NEXT CHAR
CAIN %05,"]" ;TERMINAL?
JRST GETCMN ;YES, EXIT
CAIN %05,"," ;SEPARATOR?
JRST LFTBR1 ;YES
CAIL %05,"0" ;TEST FOR OCTAL NUMBER
CAILE %05,"7"
JRST ERRIC ;IMPROPER CHARACTER
HRRZ %10,XE3 ;OK, GET PREVIOUS VALUE
IMULI %10,8
ADDI %10,-"0"(%05) ;ACCUMULATE NEW NUMBER
HRRM %10,XE3
JRST LFTBR2
LSTCR: TDZA %02,%02
LSTTAB: MOVEI %02,11
LSTOUT: TLNE %16,LSTBIT ;LISTING REQUESTED?
POPJ %17, ; NO, EXIT
TRZE %16,HDRBIT
PUSHJ %17,HEADER
JUMPN %02,LSTDMP
MOVEI %02,15 ;CARRIAGE RETURN
PUSHJ %17,LSTDMP
MOVEI %02,12 ;LINE FEED
PUSHJ %17,LSTDMP
TLNE %16,TTYBIT ;LISTING TO TTY?
PUSHJ %17,LIST1 ;YES, DUMP THE LINE
SOSG LINCNT
TRO %16,HDRBIT
POPJ %17,
LSTDMP: SOSG LSTCNT ;DECREMENT ITEM COUNT
PUSHJ %17,LIST1 ;EMPTY ENTIRE BUFFER
IDPB %02,LSTPNT ;STORE THE CHARACTER
POPJ %17, ;EXIT
LIST1: OUTPUT LST, ;EMPTY A BUFFER
LSTTST: STATO LST,IODATA!IODEV!IOWRLK ;CHECK FOR ERRORS
POPJ %17, ;NO, EXIT
MOVEI %10,[ASCIZ /LISTING OUTPUT ERROR/]
JRST ERROR ;TYPE MESSAGE
;ROUTINES FOR OUTPUT ON THE ERROR FILE
;THE FOLLOWING CONVENTIONS ARE OBSERVED FOR OUTPUT ON THE ERROR
;FILE: 1. IF THERE IS A LISTING DEVICE, THE ERROR IS ALWAYS
; OUTPUT ON THE LISTING DEVICE
; 2. IF THERE IS NO LISTING DEVICE, THE ERROR WILL BE
; TYPED ON THE CONSOLE TTY, AND THE ROUTINE EXITS
; 3. AFTER THE CHARACTER HAS BEEN OUTPUT ON THE LISTING
; FILE, THE CHARACTER WILL ALSO BE OUTPUT ON THE TTY
; UNLESS ONE OF THE FOLLOWING CONDITIONS EXISTS:
; A. THE USER HAS REQUESTED THAT ERRORS BE SUPPRESSED
; B. THE LISTING FILE IS ITSELF A TTY.
; 4. IF CERTAINS CONDITIONS OCCUR,THE MESSAGE "SOURCE
; ERROR(S) IN FILEXXX " WILL BE TYPED OUT BEFORE
; THE ERROR CHARACTER IS OUTPUT. THESE CONDITIONS
; ARE:
; A. THE COMPILATION IS IN STANDARD MODE (I.E. ,
; ONE OF MANY COMPILATIONS FROM THE SAME
; COMMAND STRING).
; B. THE INPUT IS NOT ON THE TTY
; . THE USER HAS NOT REQUESTED SUPPRESSION
; OF ERRORS WITH AN N SWITCH
; D. THE MESSAGE HAS NOT BEEN TYPED BEFORE
;ROUTINES ERROUT AND ERRMES ARE CALLED IN A MANNER SIMILAR TO
;LSTOUT AND LSTMES
ERR2CR: PUSHJ %17,ERRCR
ERRCR: TDZA %02,%02
ERRSP: MOVEI %02," "
ERROUT: HRLM %02,0(%17) ;SAVE VIRGIN CHARACTER
PUSHJ %17,LSTOUT ;TRY THE LISTING FILE
TLNE %16,NSWBIT!TTYBIT ;CHAR TO TTY ALSO?
POPJ %17, ;NO, JUST EXIT
HLRZ %02,0(%17) ;YES, RESTORE CHARACTER
JRST TTYOUT ;TYPE AND EXIT
;ROUTINE HEADER DEPOSITS THE LINE FEED IN THE LISTING FILE
;BUFFER AND THEN CHECKS TO SEE IF A FORM FEED IS NECESSARY.
;IF SO, THE ACCUMULATORS ARE SAVED, THE PAGE COUNTER IS
;INCREMENTED, A FORM FEED IS ISSUED, AND A HEADER IS PRINTED.
;THE HEADER CONSISTS OF THE PROGRAM TITLE, FOUND IN THE
;TTLBUF BUFFER, THE DATE, TIME, AND PAGE NUMBER
HEADER: PUSHJ %17,ACSAVE ;YES, SAVE THE ACCUMULATORS
PUSH %17,%16 ;SAVE CURRENT FLAGS
TLO %16,NSWBIT ;DON'T OUTPUT TO TTY
MOVEI %02,14 ;GET A FORM FEED
PUSHJ %17,LSTDMP ;OUTPUT IT
MOVEI %10,PAGSIZ+3 ;RESET LINE COUNTER REGISTER
MOVEM %10,LINCNT ;...
SKIPA %10,[POINT 7,TTLBUF,]
PUSHJ %17,LSTDMP ;LIST TITLE
ILDB %02,%10 ;GET NEXT CHAR
JUMPN %02,.-2 ;TEST FOR END
PUSHJ %17,LSTTAB
MOVE %00,TITLE
PUSHJ %17,LSTSIX
MOVE %10,[POINT 7,[ASCIZ / 38DS/],]
MOVE %02,AC12 ;GET MODE TYPE
ILDB %11,%10 ;FETCH A CHARACTER
SOJGE %02,.-1 ;TEST FOR PROPER CHARACTER
MOVEI %02,"/"
CAIE %11," " ;DON'T LIST IF "PALX"
PUSHJ %17,LSTDMP
MOVE %02,%11
PUSHJ %17,LSTDMP ;GOT IT, LIST IT
PUSHJ %17,LSTTAB
MOVE %00,SUBTTL ;PRINT VERSION NO.
PUSHJ %17,LSTSIX
PUSHJ %17,LSTTAB
;THE FOLLOWING SECTION PRINTS THE DATE, WHICH IS FOUND IN
;REGISTER XDATE IN THE FORM
; ((Y-1964)*12 + (M-1))*31 + (D-1)
MOVE %10,DATE ;GET THE DATE IN %10
IDIVI %10,^D31 ;DIVIDE BY 31 DECIMIAL
ADDI %11,1
PUSHJ %17,DNC ;OUTPUT DAY
IDIVI %10,^D12 ;DIVIDE BY 12 DECIMAL
MOVE %00,MONTH(%11)
PUSHJ %17,LSTSIX ;OUTPUT THE MONTH, (M-1) IS IN %12
MOVEI %11,^D64(%10) ;GET THE YEAR
PUSHJ %17,DNC ;TYPE IT
PUSHJ %17,LSTTAB ;OUTPUT TAB
;THE FOLLOWING SECTION OF CODE PRINTS THE TIME, WHICH IS
;PICKED UP FROM THE MONITOR AS THE NUMBER OF MILLISECONDS
;SINCE MIDNIGHT. THE FORMAT OF THE TIME PRINTOUT IS HH:MM
MOVE %11,MSTIME ;GET THE CURRENT TIME
IDIVI %11,^D60*^D1000 ;NUMBER OF MIN. SINCE MIDNITE
IDIVI %11,^D60 ;NUMBER OF HOURS
PUSH %17,%12 ;SAVE MINUTES
PUSHJ %17,DNC ;OUTPUT THE HOURS
MOVEI %02,":" ;OUTPUT A COLON AFTER THE HOURS
PUSHJ %17,LSTDMP ;OUTPUT IT
POP %17,%11 ;PUT MINUTES IN OUTPUT AC
MOVEI %02,"0" ;GET AN ASCII ZERO
CAIG %11,^D9 ;IS IT A ONE-DIGIT NUMBER?
PUSHJ %17,LSTDMP ;YES, OUTPUT A ZERO
PUSHJ %17,DNC ;OUTPUT THE MINUTES
;THE FINAL SECTION OF CODING PICKS UP THE WORD "PAGE " AND
;STORES IT IN THE PROPER PLACE IN THE TITLE BUFFER.
PUSHJ %17,LSTTAB
MOVE %00,[SIXBIT /PAGE/]
PUSHJ %17,LSTSIX ;PRINT "PAGE"
MOVEI %02," "
PUSHJ %17,LSTDMP ;SPACE
MOVE %11,PAGNUM ;GET PAGE NUMBER
PUSHJ %17,DNC ;CONVERT TO DECIMAL AND PRINT
MOVEI %10,[ASCIZ //] ;ASSUME NO EXTENSION
AOSE %11,PAGEXT ;INCREMENT, PICK UP, AND TEST
MOVEI %10,[ASCIZ /-5/]
PUSHJ %17,LSTMSG ;LIST IT
PUSHJ %17,ERR2CR
POP %17,%16 ;RESTORE FLAGS
JRST ACSAVE ;RESTORE F4 REGS AND EXIT
DNC: IDIVI %11,^D10 ;RECURSIVE SUBROUTINE
HRLM %12,0(%17) ;SAVE REMAINDER ON PUSHDOWN LIST
SKIPE %11 ;ALL DONE?
PUSHJ %17,DNC ;NO, CALL DNC AGAIN
HLRZ %02,0(%17) ;RETRIEVE NUMBER FROM PD LIST
ADDI %02,"0" ;MAKE IT ASCII
JRST ERROUT ;GET NEXT NUMBER OR EXIT
LSTSIX: MOVSI %06,(POINT 6,%00,)
LSTSI1: ILDB %02,%06
JUMPE %02,CPOPJ
ADDI %02," "
PUSHJ %17,ERROUT
TLNE %06,770000
JRST LSTSI1
POPJ %17,
MONTH: SIXBIT /-JAN-/
SIXBIT /-FEB-/
SIXBIT /-MAR-/
SIXBIT /-APR-/
SIXBIT /-MAY-/
SIXBIT /-JUN-/
SIXBIT /-JUL-/
SIXBIT /-AUG-/
SIXBIT /-SEP-/
SIXBIT /-OCT-/
SIXBIT /-NOV-/
SIXBIT /-DEC-/
;BASIC TELTYPE OUTPUT ROUTINES
;THESE ROUTINES EXIST FOR THE USE OF THE EXEC ONLY, BUT THEIR
;CALLING SEQUENCES ARE THE SAME AS THOSE FOR LSTOUT, LSTMES,
;CONOUT, CONMES, ERROUT, AND ERRMES
TTYOUT: JUMPN %02,TTYDMP
TTYCR: MOVEI %02,15
PUSHJ %17,TTYDMP
MOVEI %02,12
TTYDMP: SOSG TTOCNT ;IS THE BUFFER EMPTY?
OUTPUT TTO, ;YES, GO EMPTY IT
IDPB %02,TTOPNT ;STORE THE CHARACTER
CAIN %02,12 ;WAS IT A LINE FEED?
OUTPUT TTO, ;YES, OUTPUT THE LINE
POPJ %17, ;EXIT
INISET: MOVE %03,[JRST ERRNA];ERROR EXIT FOR INIT
MOVSI %04,(POPJ %17,)
JRST %00
;ROUTINE TO INPUT CHARACTERS FROM THE SOURCE DEVICE
;ROUTINE CHAR INPUTS CHARACTERS ON CHANNEL 3 UNTIL AN END OF
;FILE CONDITION IS MET. IT THEN CHECKS A FLAG TO SEE IF ANY
;MORE INPUT FILES NEED TO BE INITIALIZED. IF SO, IT RELEASES
;THE OLD INPUT FILE AND INITIALIZES A NEW ONE, AND CONTINUES
;TO DO INPUT ON THIS FILE.
;WHEN THE LAST END OF FILE IS REACHED, THE EXEC PLACES AN
;S2 CHARACTER AND A CARRIAGE RETURN IN THE BUFFER
CHARB: MOVEM %14,SEQNUM ;SAVE SEQUENCE NUMBER
AOS SRCPNT ;INCREMENT POINTER PAST WORD
MOVNI %14,5 ;GET -5
ADDM %14,SRCCNT ;SUBTRACT 5 FROM WORD COUNT
TRO %16,SEQBIT
CHAR: SOSGE SRCCNT ;DECREMENT ITEM COUNT
JRST CHAR4 ;GET ANOTHER BUFFER IF NECESSARY
IBP SRCPNT ;INCREMENT THE BYTE POINTER
MOVE %14,@SRCPNT ;PICK UP AN ENTIRE WORD FROM BUFFER
TRZE %14,1 ;IS THE SEQUENCE NUMBER BIT ON?
JRST CHARB ;YES, SKIP AROUND IT
LDB %14,SRCPNT ;NO, PICK UP A GOOD CHARACTER
CAIE %14,FF ;FORM FEED?
POPJ %17, ; NO, EXIT
AOS PAGNUM ;YES, INCREMENT PAGE
SETOM PAGEXT ;INITIALIZE EXTENSION
TRO %16,HDRBIT
POPJ %17,
CHAR4: INPUT SRC, ;CALL MONITIOR FOR A BUFFER
STATZ SRC, IODATA+IODEV+IOBKTL
JRST ERRID ;INPUT TRANSMISSION ERROR
STATO SRC, IOEOF ;WAS AN END OF FILE REACHED?
JRST CHAR ;GET NEXT CHAR
CLOSE SRC,
TRNN %16,ENDBIT ;CRR SEEN BY COMMAND SCANNER?
JRST CHAR5 ; NO, MUST BE ANOTHER FILE
JRST ERRND ;ERROR IF NO "$"
CHAR5: PUSHJ %17,ACSAVE ;GET EXEC AC'S
PUSHJ %17,GETSRC ;GET THE NEXT SOURCE FILE
TRO %16,HDRBIT ;START NEW FILE
PUSHJ %17,ACSAVE ;SAVE EXEC AC'S AND RETURN
JRST CHAR
;ROUTINES TO SAVE AND RESTORE THE COMPILER ACCUMULATORS
ACSAVE: ;SWAP AC'S
EXCH %00,AC00
EXCH %01,AC01
EXCH %02,AC02
EXCH %03,AC03
EXCH %04,AC04
EXCH %05,AC05
EXCH %06,AC06
EXCH %07,AC07
EXCH %10,AC10
EXCH %11,AC11
EXCH %12,AC12
EXCH %13,AC13
EXCH %14,AC14
POPJ %17,
;ROUTINE TO OUTPUT RELOCATABLE BINARY
BINOUT: TLNE %16,BINBIT!NOPBIT ;BINARY REQUESTED?
POPJ %17, ; NO, EXIT
SOSG BINCNT
PUSHJ %17,BINDMP
IDPB %02,BINPNT
POPJ %17,
BINDMP: OUTPUT BIN,
BINTST: STATO BIN,IODATA!IODEV!IOWRLK
POPJ %17,
MOVEI %10,[ASCIZ /BINARY OUTPUT ERROR/]
JRST ERROR ;TYPE ERROR MESSAGE
;CALLS TO THE EXEC FOR MORE CORE
;PANIC HAS THE FOLLOWING CALLING SEQUENCE
; PUSHJ %17,PANIC
; RETURN 1 ;NO MORE CORE
; RETURN 2 ;MORE CORE
;THE EXEC CALL THE TIME-SHARING MONITOR FOR MORE
; CORE BY LOADING AC %10 ,WHICH IS USED AS A SCRATCH AC, WITH
; THE HIGHEST DESIRED RELATIVE ADDRESS,I.E.;%13(.JBREL)+2000,AND
; THEN EXECUTING A CALL %10,CORE. IF UNCUCCESSFUL, THE ROUTINE
; EXITS TO RETURN 1 ABOVE.
;IF SUCCESSFUL, THE MONITOR WILL UPDATE .JBREL IN THE JOB
;DATA AREA. THE EXEC THEN UPDATES THE LEFT HALT OF ROLMEM
;SO THAT THE COMPILER CAN MOVE ITS TABLES HIGHER IN CORE.
PANIC: HRRZ %00,.JBREL ;GET PRESENT ROLMEM
ADDI %00,CORINC ;ADD 1K OF CORE TO IT
PANIC1: CORE %00, ;ASK FOR MORE CORE
JRST ERRNC ;NO MORE CORE AVAILABLE
POPJ %17,
ERRCF: MOVEI %10,[ASCIZ /CANNOT FIND 234/]
JRST ERROR
ERRID: MOVEI %10,[ASCIZ /INPUT DATA ERROR 234/]
SKIPA %01,AC01
ERRBS: MOVEI %10,[ASCIZ /1 IS A BAD SWITCH/]
JRST ERROR
ERRIC: MOVEI %10,[ASCIZ /1 IS AN ILLEGAL CHARACTER/]
JRST ERROR
ERRNA: MOVEI %10,[ASCIZ /2 IS NOT AVAILABLE/]
JRST ERROR
ERRNR: MOVEI %10,[ASCIZ /NO ROOM FOR 234/]
JRST ERROR
ERRSE: MOVEI %10,[ASCIZ /SYNTAX ERROR IN COMMAND STRING/]
JRST ERROR
ERRNC: MOVEI %10,[ASCIZ /INSUFFICIENT CORE/]
JRST ERROR
ERRND: MOVEI %10,[ASCIZ /NO "$" SEEN/]
JRST ERROR
ERRTF: MOVEI %10,[ASCIZ /TOO MANY INPUT FILES/]
JRST ERROR
ERRTB: MOVEI %10,[ASCIZ /2 ILLEGAL FOR BINARY OUTPUT/]
JRST ERROR
ERROR: MOVE %16,[XWD LSTBIT!BINBIT,ENDBIT]
PUSHJ %17,ERRCR
MOVEI %02,"?"
PUSHJ %17,ERROUT
PUSHJ %17,ERRSP ;TYPE SPACE
PUSHJ %17,LSTMSG
PUSHJ %17,ERR2CR
JRST EXIT
LSTMSG: TLOA %10,(POINT 7,,) ;SET BYTE POINTER AND SKIP
LSTMS4: PUSHJ %17,ERROUT ;TYPE CHARACTER
LSTMS5: ILDB %02,%10 ;GET CHARACTER
JUMPE %02,CPOPJ ;TEST FOR END
CAIL %02,"1" ;TEST FOR SWITCH
CAILE %02,"5"
JRST LSTMS4 ;NO, TYPE THE CHARACTER
PUSHJ %17,@[EXP ERR1,ERR2,ERR3,ERR4,DNC]-"1"(%02)
JRST LSTMS5 ;GET NEXT CHARACTER
ERR1: MOVE %02,%05 ;GET IMPROPER CHARACTER
JRST TTYDMP ;DUMP IT
ERR2: MOVE %00,%01 ;GET DEVICE NAME
PUSHJ %17,LSTSIX ;TYPE IT
MOVEI %02,":"
JRST TTYDMP ;TYPE ":"
ERR3: MOVE %00,XE ;GET FILE NAME
JRST LSTSIX ;TYPE IT
ERR4: HLLZ %00,XE1 ;GET EXTENSION
JUMPE %00,CPOPJ ;EXIT IF NULL
MOVEI %02,"."
PUSHJ %17,TTYDMP ;TYPE "."
JRST LSTSIX
EXIT: CLOSE SRC, ;CLOSE THE SOURCE DEVICE
CLOSE LST, ;CLOSE THE LISTING FILE
CLOSE BIN, ;CLOSE THE BINARY FILE
TLON %16,LSTBIT ;WAS THERE A LISTING FILE?
PUSHJ %17,LSTTST ;YES, TEST FOR FINAL ERROR
TLON %16,BINBIT ;IS THERE A BINARY FILE?
PUSHJ %17,BINTST ;YES, TEST FOR FINAL ERROR
TRNN %16,ENDBIT ;END OF COMMAND STRING?
JRST ERRTF ; NO, MARK ERROR
CLOSE TTO, ;BE SURE MESSAGES ARE COMPLETE
JRST PAL ;GET A NEW COMMAND STRING
;RH OF %15 FLAG BITS
ERRC= 400000 ;ILLEGAL CHARACTER (IC)
ERRD= 200000 ;ILLEGAL REDEFINITION (ID)
ERRI= 100000 ;ILLEGAL INDIRECT (II)
ERRL= 040000 ;LITERAL ERROR (PE)
ERRN= 020000 ;NUMERIC ERROR
ERRO= 010000 ;ILLEGAL OP-CODE
ERRP= 004000 ;PHASE ERROR (ID)
ERRQ= 002000 ;QUESTIONABLE FORMAT ERROR
ERRT= 001000 ;ILLEGAL TEXT CHARACTER
ERRU= 000400 ;UNDEFINED SYMBOL (US)
ERRZ= 000200 ;PAGE ZERO EXCEEDED (ZE)
ERRM= 000100 ;MACRO ERROR
ERRG= 000040 ; LINK GENERATED
;LH OF VALUE CELL FOR SYMBOL
LBLFLG= 001000
MDLFLG= 002000 ;MULTIPLY DEFINED LABEL FLAG
DEFFLG= 004000 ;DEFINED FLAG
;RH OF VALUE CELL OF SYMBOL TABLE ENTRY
CHAN7= 010000
CHAN8= 020000
CHAN78= 030000
PASS1:
MOVSI %02,BSYMT-EBSYMT ;SET FOR FULL TABLE
PUSHJ %17,INIPAS
PUSHJ %17,SYTI
MOVEI %02,TERMCV+TJLP ;TEST FOR LITERALS
LDB %02,CNVTBL(%12)
CAIN %02,TJLP ;WAS "(" MAPPED?
TLO %15,LITFLG ; NO, ALLOW LITERALS
PUSHJ %17,LINE
POPJ %17,
PASS2:
PUSHJ %17,LEADER
PUSHJ %17,INIPAS
MOVEI %10,CHAN7+200
PUSHJ %17,BINWRD
PUSHJ %17,LINE
PUSHJ %17,DCLIT ;DUMP CURRENT LITERALS
PUSHJ %17,DZLIT ;DUMP PAGE ZERO LITERALS
TLZ %16,NOPBIT ;REENABLE BINARY FOR CHECKSUM AND TRAILER
MOVE %10,CHKSUM
TRZ %10,CHAN78 ;ONLY 12 BITS
PUSHJ %17,BINWRD
PUSHJ %17,LEADER
ZBINK ;KEEP THE OPERATOR HAPPY
PUSHJ %17,BITDMP ;LIST BIT MAP
TLNN %16,LSTBIT!MSWBIT ;LISTING?
PUSHJ %17,SYMTB ; YES, OUTPUT THE SYMBOL TABLE
POPJ %17,
INIPAS:
PUSHJ %17,OCTAL ;SET OCTAL RADIX
MOVEI %05,200
SETZM CHKSUM
SETZM SEQNUM
SETZM LVLCNT
MOVEI %00,1
MOVEM %00,PAGNUM ;INITIALIZE PAGE NUMBER
SETOM PAGEXT ; AND EXTENSION
MOVE %00,CORBOT
MOVEM %00,MACTOP
SETZM MACPNT
SETZM ARGPNT
TLZ %15,SRCFLG
POPJ %17,
LINE: ;PROCESS ONE LINE
PUSHJ %17,GETLIN ;GET A SOURCE LINE
LINE1: SETZM EQUIV
JUMPE %14,LINE4 ;BRANCH IF END OF LINE
SKIPE DBLPNT ;ANY DUBL OR FLTG IN PROGRESS?
JRST DBLENT ; YES, GO PROCESS
PUSHJ %17,STMNT ;PROCESS ONE STATEMENT
LINE2: LDB %02,C1PNTR ;CONVERT USING COLUMN 1
XCT LINEJT(%02) ;EXECUTE TABLE
LINE3: ILDB %14,%13 ;NOT TERMINATOR
JRST LINE2 ; GO LOOK FOR IT
LINE4: PUSHJ %17,ENDL ;NORMAL TERMINATION
LINE5: JUMPE %14,LINE ;RECYCLE IF CR
SKIPN LVLCNT ;NO, ARE WE IN A CONDITIONAL?
JRST LINE ; NO
ILDB %14,%13 ;YES, GET THE NEXT CHARACTER
CAIN %14,">" ;TEST FOR RIGHT ANGLE BRACKET
SOS LVLCNT ; YES, DECREMENT IT
JRST LINE5 ;TEST FOR END OR MORE
LINE6: PUSHJ %17,ENDL ;SEMI-COLON, LIST LINE
ILDB %14,%13 ;MOVE PAST SEMI
TLO %15,SRCFLG ;DON'T LIST CONTINUATION
JRST LINE1 ;CONTINUE WITH THIS LINE
LINE7: SOSL LVLCNT ;DECREMENT LEVEL COUNT AND TEST
JRST LINE3 ;OK, TEST FOR ANOTHER
SETZM LVLCNT ;UNDERFLOW, RESET TO ZERO
TRO %15,ERRQ ;FLAG ERROR
JRST LINE3 ;TRY AGAIN
LINEJT: ;LINE JUMP TABLE
PHASE 0
TRO %15,ERRQ ; INVALID TERMINATOR
LNSP: JFCL ; TAB OR SPACE
LNCR: JRST LINE4 ; CR OR /
LNSC: JRST LINE6 ; ;
LNDO: JRST ENDL ; $
LNLA: TRO %15,ERRQ ; <
LNRA: JRST LINE7 ; >
DEPHASE
GETLIN: ;GET THE NEXT SOURCE LINE
MOVEI %06,CPL ;TEST FOR OVERFLOW
SKIPA %13,LINPNT ;SET POINTER AND SKIP
GETLI1: TRO %15,ERRC ;ILLEGAL CHARACTER
GETLI2: SKIPE MACPNT ;IN A MACRO?
JRST GETMAC ; YES
PUSHJ %17,CHAR ;GET AN INPUT CHARACTER
GETLI4: LDB %02,C7PNTR ;SET INDEX
XCT GLTBL(%02)
GETLI5: SOJL %06,GETLI2 ;DON'T STORE IF TOO MANY
GETLI6: IDPB %14,%13 ;STORE IN BUFFER
JUMPN %14,GETLI2 ;RECYCLE IF NOT END
LDB %14,[POINT 7,LINBUF,6]
JUMPE %14,GETLI7
MOVE %13,[XWD LINBUF,TTLBUF]
TLZE %16,NSRBIT ;NEW SOURCE SEEN?
BLT %13,TTLEND-1 ; YES, SET IT UP
GETLI7: PUSHJ %17,CREFQ ;CREF OUTPUT WANTED?
JRST GETLI8 ;NO
TLON %15,CSYBIT ;YES. STARTED ALREADY?
PUSHJ %17,CRFBGN ;NO. START IT NOW
GETLI8: MOVE %13,LINPNT ;SET FOR READ
ILDB %14,%13 ;RETURN FIRST CHAR
POPJ %17, ;EXIT
CRFBGN: MOVEI %02,CRFPFX ;START CREF BLOCK
PUSHJ %17,LSTOUT ;OUTPUT ON LISTING
MOVEI %02,CRFSOL ;START OF LINE CHARACTER
JRST LSTOUT ;OUTPUT AND POPJ TO GETLIN
CREFQ: JUMP1 CPOPJ ;NO OUTPUT ON PASS 1
TLNN %16,CSWBIT!LSTBIT ;CREF BEEN ASKED FOR?
AOS 0(%17) ;YES. SKIP RETURN
POPJ %17,0
GLTBL: ;GET LINE TABLE
PHASE 0
JRST GETLI1 ;ILLEGAL
QJNU: JRST GETLI2 ;NULL
QJCR: TDZA %14,%14 ;CARRIAGE RETURN
QJTB: JFCL
QJSP: JFCL
QJPC: JFCL
DEPHASE
GETMAC: ;GET A MACRO CHARACTER
SKIPE ARGPNT ;PROCESSING AN ARGUMENT?
JRST GETMA3 ; YES
ILDB %14,MACPNT ; NO, GET THE NEXT CHARACTER
JUMPE %14,GETLI6 ;BRANCH IF END OF LINE
CAIE %14,RUBOUT ;RUBOUT FLAG?
JRST GETLI5 ; NO, RETURN
ILDB %14,MACPNT ; YES, GET THE NEXT ITEM
JUMPE %14,GETMA4 ;IF NULL, WE ARE DONE
MOVE %02,ARGTMP ;NO, IT IS AN ARGUMENT
MOVEM %02,ARGPNT ;SET ARG PNTR
GETMA1: SOJE %14,GETMA3 ;TEST FOR PROPER ARG
GETMA2: ILDB %02,ARGPNT ;NOT PROPER ARG, MOVE TO IT
CAIE %02,RUBOUT ;ARGUMENT END?
JRST GETMA2 ; NO
JRST GETMA1 ; YES, TEST FOR END
GETMA3: ILDB %14,ARGPNT ;ARGUMENT, GET NEXT CHARACTER
CAIE %14,RUBOUT ;END FLAG?
JRST GETLI4 ; NO, RETURN
SETZM ARGPNT ; YES, ZERO POINTER
JRST GETMAC ;RETURN TO MAIN STREAM
GETMA4: SETZM MACPNT ;END OF MACRO, CLEAR POINTER
SETZM ARGPNT ; AND ARG POINTER
MOVE %02,ARGTMP
HRRZM %02,MACTOP ;RECOVER SPACE
JRST GETLI6 ;RETURN
ENDL: ;END OF LINE PROCESSOR
JUMP1 ENDL11 ;BRANCH IF PASS 1
SKIPGE VALUE ;IF NO CODE
TLNE %16,XSWBIT ; OR BIT MAP SUPPRESSED,
JRST ENDL2 ; BYPASS FOLLOWING
MOVE %01,%05
IDIVI %01,^D36
MOVNS %02
MOVSI %03,(1B0)
ROT %03,0(%02)
ORM %03,BITBUF(%01)
TLO %15,CODFLG
LDB %02,[POINT 5,%05,28]
AOS PAGBUF(%02) ;FLAG PAGE AS USED
ENDL2: MOVEI %01,CPOPJ ;DISPATCH ADR IF NO LISTING
TLNN %16,XLBIT ;DONT LIST IF XLIST IS ON
TLNE %15,LINFLG ;OR WE ARE IN A "ZBLOCK"
JRST ENDL2A
TLZN %15,CSYBIT ;CREF BLOCK STARTED?
JRST ENDL2B ;NO. DONT END IT THEN.
MOVEI %02,CRFPFX ;PREFIX CHARACTER
PUSHJ %17,LSTDMP ;OUTPUT THE CHAR TO LISTING
MOVEI %02,CRFEOL ;END OF LINE CODE
PUSHJ %17,LSTDMP ;OUTPUT IT TOO
ENDL2B: MOVEI %01,LSTOUT ;DISPATCH ADR FOR LISTING
ENDL2A: SKIPL VALUE ;ANY CODE TO BE STORED?
JRST ENDL4 ; NO
TRNE %05,7600 ; YES, ARE WE ON PAGE ZERO?
JRST ENDL3 ; NO
SKIPE ZLTBUF(%05) ; YES, TEST FOR IN USE
TROA %15,ERRZ ; YES, FLAG ERROR
HLRZM %17,ZLTBUF(%05) ; NO, FLAG AS USED
JRST ENDL4
ENDL3: LDB %02,[POINT 5,%05,28] ;GET PAGE
SKIPE CLHBUF(%02) ;TEST FOR LITERAL OVERLAP
CAMGE %05,CLHBUF(%02)
CAIA
TRO %15,ERRL ;OVERLAP, FLAG ERROR
ENDL4: TRNN %15,-1 ;ANY ERRORS?
JRST ENDL6 ; NO
TRNE %15,-ERRG-1 ;WAS THE ONLY ERROR A "G" ERROR?
JRST ENDL4Q ;OOH, SUCH LANGUAGE!
SKIPE %02,MODSW ;YES - IF WE ARE IN PAL10 MODE
CAIN %02,3 ; OR PALD MODE
JRST GERR ;ITS NOT AN ERROR.
ENDL4Q: MOVEI %00,7402 ;SET "HLT" INSTRUCTION
TRNE %15,ERRU!ERRI ;UNDEFINED ERROR?
HRRM %00,VALUE ; YES, SUBSTITUTE FOR INSTRUCTION, IF ANY
MOVE %00,XE ;GET FILE NAME
TLNN %16,NSWBIT
CAMN %00,XESAVE
JRST ENDL4C
JUMPE %00,ENDL4C
MOVEM %00,XESAVE
MOVSI %01,(POINT 6,%00,)
ENDL4A: ILDB %02,%01
JUMPE %02,ENDL4B
ADDI %02,40
PUSHJ %17,TTYOUT
TLNE %01,770000
JRST ENDL4A
ENDL4B: MOVEI %02,":"
PUSHJ %17,TTYOUT
PUSHJ %17,TTYCR
ENDL4C: HRLZ %00,%15 ;PUT FLAGS IN AC0 LEFT
AOS ERRCNT
TLNE %00,-1-ERRQ-ERRC;ANY ERRORS OTHER THAN Q OR C?
TLZ %00,ERRQ ; YES, FLUSH Q
MOVE %01,[POINT 7,[ASCII /CDILNOPQTUZMG/],]
ENDL5: ILDB %02,%01 ;FETCH CHARACTER
TLNE %00,400000 ;THIS CHARACTER
PUSHJ %17,ERROUT ; YES
LSH %00,1
JUMPN %00,ENDL5 ;TEST FOR END
MOVEI %01,ERROUT ;END, SET TO ERROR-LIST
ENDL6: MOVE %02,LINPNT ;TEST FOR NO MORE LISTING
ILDB %02,%02
TDO %02,VALUE
TDO %02,EQUIV
TDO %02,SEQNUM
JUMPE %02,ENDL10 ;BRANCH IF NOTHING TO LIST
MOVEI %02,TAB
PUSHJ %17,0(%01) ;LIST A TAB
REPEAT 2, <
MOVEI %02,SPACE
PUSHJ %17,0(%01) >
MOVE %10,%05 ;ASSUME BINARY
SKIPE VALUE ;TRUE?
PUSHJ %17,LSTOCT ; YES
MOVEI %02,TAB
PUSHJ %17,0(%01)
SKIPL %10,VALUE
SKIPE %10,EQUIV ;ANYTHING TO BE LISTED?
PUSHJ %17,LSTOCT ; YES
TRNN %15,ERRG
JRST ENDL6A
MOVEI %02,HASH ; OUTPUT A HASH MARK
PUSHJ %17, 0(%01)
ENDL6A: TLZE %15,SRCFLG ;SHOULD WE BYPASS SOURCE?
JRST ENDL10 ; YES
TRNN %16,SEQBIT ;ANY SEQUENCE NUMBERS ENCOUNTERED?
JRST ENDL8 ; NO
MOVEI %02,TAB
PUSHJ %17,0(%01) ;OUTPUT A TAB
MOVE %00,[POINT 7,SEQNUM,]
ENDL7: ILDB %02,%00 ;GET A CHARACTER
JUMPE %02,ENDL8 ;BYPASS IF NULL
PUSHJ %17,0(%01) ;OUTPUT THE NUMBER
TLNE %00,760000 ;END OF WORD?
JRST ENDL7 ; NO, TRY FOR MORE
ENDL8: MOVEI %02,TAB
PUSHJ %17,0(%01)
SKIPA %03,LINPNT ;GET SET TO PRINT LINE
ENDL9: PUSHJ %17,0(%01) ;LIST A CHARACTER
ILDB %02,%03 ;GET ANOTHER CHARACTER
JUMPN %02,ENDL9 ;TEST FOR END
ENDL10: SETZB %02,SEQNUM
PUSHJ %17,0(%01) ;END,LIST CR/LF
TLZE %15,XLFLG ;XLIST ENCOUNTERED?
TLC %16,XLBIT ; YES, TOGGLE BIT
ENDL11: SKIPL %10,VALUE ;ANY OCTAL?
JRST ENDL12 ; NO
TRZ %10,CHAN78 ; YES, CLEAR ANY HIGH BITS
PUSHJ %17,BINWRD ; AND DUMP THE BINARY
ADDI %05,1
ANDI %05,007777
ENDL12: SETZM VALUE
TRZ %15,-1
TLZ %15,SRCFLG!LINFLG
POPJ %17,
; PROCESSOR FOR "G" ERRORS IN PAL10 OR PALD MODE
GERR: AOS LINKS ;INCREMENT LINK COUNTER
JRST ENDL6 ;AND CONTINUE - DONT RESET FLAG SO THAT
;WE WILL GET A HASH MARK ON THE OUTPUT
;4 COMMENTS FOR A 2 LINE ROUTINE IS ABSURD
STMNT0: ILDB %14,%13
STMNT: ;STATEMENT PROCESSOR
LDB %02,C2PNTR ;CONVERT USING COLUMN 2
STMNT1: ADDI %02,STMNCV ;SET CONVERSION TABLE ADDRESS
LDB %02,CNVTBL(%12) ;SET FOR PROPER MODE
XCT STMNJT(%02) ;EXECUTE TABLE
POPJ %17, ;NO CODE
HRROM %10,VALUE ;STORE AND MARK CODE
POPJ %17, ;EXIT
STMNCV: ;STATEMENT CONVERSION TABLE
PHASE 0
BYTE (4) . , . , . , . , . , .
STSP: BYTE (4) . , . , . , . , . , .
STAL: BYTE (4) . , . , . , . , . , .
STAS: BYTE (4) . , . , . , . , . , .
STLA: BYTE (4) . , 0 , 0 , 0 , 0 , 0
STSC: BYTE (4) . , . , . , . , . , .
DEPHASE
STMNJT: ;STATEMENT JUMP TABLE
PHASE 0
PUSHJ %17,EXPR ; NOTHING SPECIAL
STSP: JRST STMNT0 ; TAB OR SPACE
STAL: JRST STMNAL ; ALPHABETIC
STAS: JRST STMNAS ; *
STLA: JRST XTEXT ; <
STSC: TRO %15,ERRQ ; ;
DEPHASE
STMNAL: ;ALPHABETIC
MOVE %10,%13 ;SAVE CHARACTER POINTER
PUSHJ %17,GETSYM ;ACCUMULATE A SYMBOL
LDB %02,C3PNTR ;CONVERT USING COLUMN 3
XCT STALJT(%02) ;EXECUTE TABLE
SETZ %01,
LDB %02,[POINT 9,%01,17] ;GET OP TYPE POINTERS
XCT STOPJT(%02) ;TEST FOR PSEUDO-OPS
MOVE %13,%10 ;NOT PSEUDO-OP
LDB %14,%13 ;REPLACE CHARACTER
JRST STMNT1 ;FALL THROUGH TO EXPRESSION
STALJT:
PHASE 0
PUSHJ %17,SRCH ;GET SYMBOLIC QUANTITY
SACM: JRST LABEL ; ,
SAEQ: JRST ASGMT ; =
DEPHASE
STOPJT:
PHASE 0
SETZ %02,
PSOP: JRST PSCREF
MROP: SETZ %02,
MCOP: SETZ %02,
MAOP: JRST MACREF
DEPHASE
MACREF: PUSHJ %17,CRFOUT ;REFERENCE THE MACRO NAME
JRST CALLM ;AND GO DO IT.
PSCREF: PUSHJ %17,CRFOUT ;REFERENCE THE PSEUDO
JRST 0(%01) ;AND DISMISS TO ROUTINE
LABEL: ;LABEL PROCESSOR
PUSHJ %17,SRCH ;SEARCH SYMBOL TABLE
JRST LABEL1 ;NOT FOUND
TLNN %01,MDLFLG ;FOUND, MULTIPLY DEFINED?
CAIE %05,0(%01) ; NO, OUT OF PHASE?
TROA %15,ERRP ; YES, FLAG PHASE ERROR
JRST LABEL2 ;TO STATEMENT PROCESSOR AFTER CREF
TLZ %01,DEFFLG ;CLEAR POSSIBLE UNDEFINED FLAG
TLOA %01,MDLFLG ;FLAG AND SKIP
LABEL1: MOVE %01,%05 ;PUT CURRENT LOCATION IN %01
TLO %01,LBLFLG ;SET LABEL FLAG
PUSHJ %17,INSRT ;INSERT IN THE SYMBOL TABLE
LABEL2: PUSHJ %17,CRFOUT
MOVEI %02,CRSYMD ;FLAG AS A DEFINITION
PUSHJ %17,LISTCQ ;OUTPUT TO CREF
JRST STMNT0
ASGMT: ;ASSIGNMENT PROCESSOR
PUSH %17,%00 ;STACK SYMBOL
PUSHJ %17,EXPR0 ;EVALUATE EXPRESSION
TRO %15,ERRU ;ERROR IF NULL
ANDI %10,7777 ;JUST 12 BITS OF VALUE, CLR LH
HRROM %10,EQUIV
POP %17,%00 ;FETCH SYMBOL
TRNE %15, ERRU ; TEST FOR SYMBOL UNDEFINED AT THIS POINT
TLO %10, DEFFLG ; SET DEFFLG IF EXPRESSION NOT DEFINED
PUSHJ %17,SRCH ;SEARCH TABLE
JRST ASGMT1 ; NOT THERE, INSERT IT
LDB %02,[POINT 9,%01,17]
XCT ASGTBL(%02) ;DISPATCH ON SYMBOL TYPE
JRST ASGMT3
ASGMT1: HRRZ %01,%10 ;GET VALUE
TLNE %10, DEFFLG ; MOVE DEFFLG TO SYMBOL TO BE INSERTED
TLO %01, DEFFLG
PUSHJ %17,CRFOUT
MOVEI %02,CRSYMD ;FLAG AS A DEFINITION
PUSHJ %17,LISTCQ ;OUTPUT TO CREF
JRST INSRT
ASGMT2: JUMP1 ASGMT1 ;JUST INSERT IF PASS 1
CAIE %10,0(%01) ; NO, TEST FOR CHANGE
ASGMT3: TRO %15,ERRD ;ERROR, FLAG IT
POPJ %17, ;EXIT
ASGTBL:
PHASE 0
TLNE %01,LBLFLG
PSOP: JRST ASGMT3
MROP: JRST ASGMT2
MCOP: JRST ASGMT2
MAOP: JRST ASGMT3
DEPHASE
STMNAS: ; *
PUSHJ %17,EXPR0 ;EVALUATE THE EXPRESSION
MOVEI %10,770000(%05) ;NULL, FORCE ERROR
PUSH %17,%10
XOR %10,%05 ;COMPARE CURRENT WITH NEW
TRNE %10,7600 ;SKIP IF NOT LEAVING PAGE
PUSHJ %17,DCLIT ;DUMP CURRENT PAGE LITERALS
POP %17,%10
JRST OUTLOC ;DON'T TEST FOR SEQUENCE BREAK
EXPR0: ILDB %14,%13 ;FETCH NEXT CHARACTER
EXPR: ;EXPRESSION PROCESSOR
TRZ %15, ERRU ; CLEAR ERROR FLAG BEFORE EVALUATING THE EXPRESSION
PUSHJ %17,TERM ;SEEK THE FIRST TERM
POPJ %17, ; NOT FOUND, EXIT NORMAL
JRST EXPR1 ; NUMERIC
PUSHJ %17,SRCH ;SYMBOLIC, SEARCH THE TABLE
TROA %15,ERRU ; NOT FOUND, ERROR
PUSHJ %17,CRFOUT ;FOUND. OUTPUT TO CREF.
TLNE %01,DEFFLG ;UNDEFINED?
TRO %15,ERRU ; YES, FLAG ERROR
HRRZ %10,%01 ;PUT VALUE IN %10
EXPR1: LDB %02,[POINT 9,%01,17] ;GET TYPE
XCT EXO1JT(%02) ;EXECUTE TABLE
AOS 0(%17) ;RETURN +1
POPJ %17,
EXO1JT:
PHASE 0
PUSHJ %17,EXPR3 ; USER DEFINED SYMBOL
PSOP: PUSHJ %17,EXPRPS ; PSEUDO-OP
MROP: PUSHJ %17,EXPMR ; MEMORY-REFERENCE OP
MCOP: PUSHJ %17,EXPR3 ; MICRO-INSTRUCTION
MAOP: PUSHJ %17,EXPRPS
DEPHASE
EXPR2: ILDB %14,%13 ;FETCH NEXT CHARACTER
EXPR3: LDB %02,C4PNTR ;CONVERT USING COLUMN 4
ADDI %02,EXPRCV ;POINT TO EXPRCV ENTRY
LDB %02,CNVTBL(%12) ;GET PROPER CONVERSION BYTE
XCT EXPRJT(%02) ;EXECUTE TABLE
ILDB %14,%13 ;BYPASS OPERATOR
PUSH %17,%06 ;STACK INSTRUCTION
PUSH %17,%10 ;SAVE CURRENT VALUE
PUSHJ %17,TERM ;GET THE NEXT TERM
TRO %15,ERRQ ;NULL, ERROR
JRST EXPR4 ;NUMERIC
PUSHJ %17,SRCH ;SYMBOLIC, SRCH FOR IT
TROA %15,ERRU ;NOT IN TABLE
PUSHJ %17,CRFOUT ;OUTPUT TO CREF.
TLNE %01,DEFFLG ;UNDEFINED?
TRO %15,ERRU ; YES, FLAG ERROR
HRRZ %10,%01 ;TRANSFER VALUE TO %10
EXPR4: LDB %02,[POINT 9,%01,17] ;GET OP-TYPE
XCT EXO2JT(%02) ;EXECUTE TABLE
POP %17,%00 ;FETCH PREVIOUS VALUE
POP %17,%02 ; AND OPERATION
XCT %02 ;EXECUTE OPERATION
JRST EXPR3 ;TEST FOR MORE OPS
EXPRCV: ;EXPRESSION CONVERSION TABLE
PHASE 0
BYTE (4) . , . , . , . , . , .
EXSP: BYTE (4) . , . , . , . , . , .
EXPL: BYTE (4) . , . , . , . , . , .
EXMI: BYTE (4) . , . , . , . , . , .
EXOR: BYTE (4) EXC1, 0 , . , . , . , .
EXAN: BYTE (4) . , 0 , . , . , . , .
EXMU: BYTE (4) . , 0 , 0 , 0 , 0 , .
EXDV: BYTE (4) . , 0 , 0 , 0 , 0 , .
EXTE: BYTE (4) . , . , . , . , . , .
DEPHASE
EXPRJT: ;EXPRESSION JUMP TABLE
PHASE 0
POPJ %17,
EXSP: JRST EXPR2 ; SPACE OR TAB
EXPL: MOVE %06,[ADDM %00,%10] ; +
EXMI: MOVE %06,[SUBM %00,%10] ; -
EXOR: MOVE %06,[ORM %00,%10] ; !
EXAN: MOVE %06,[ANDM %00,%10] ; &
EXMU: MOVE %06,[IMULM %00,%10] ; ^
EXDV: MOVE %06,[IDIVM %00,%10] ; %
EXTE: SKIPA %06,[ORM %00,%10] ; SPACE USED AS OPERATOR
EXC1: PUSHJ %17,EXPRHW ; !
DEPHASE
EXPRHW: LSH %10,6 ;HALF-WORD OPERATION
MOVE %06,[ORM %00,%10]
POPJ %17,
EXO2JT:
PHASE 0
JFCL ; USER-DEFINED SYMBOL
PSOP: PUSHJ %17,EXPRPS ; PSEUDO-OP
MROP: PUSHJ %17,EXPMR ; MEMORY REFERENCE
MCOP: JFCL ; MICRO-INSTRUCTION
MAOP: PUSHJ %17,EXPRPS
DEPHASE
EXPRPS: SETZ %10,
TRO %15,ERRO
POPJ %17,
EXPMR: ;MEMORY REFERENCE INSTRUCTION
SKIPA %03,%13 ;SAVE CHARACTER POINTER AND SKIP
EXPMR1: ILDB %14,%13 ;GET NEXT CHARACTER
LDB %02,C5PNTR ;CONVERT USING COLUMN 5
XCT EXPMT1(%02)
ILDB %14,%13 ;GET NEXT CHARACTER
LDB %02,ANPNTR ;TEST FOR TERMINATOR
XCT EXPMT2(%02)
TRO %15,ERRI ;BAD REFERENCE
JRST EXPMR ;TEST FOR ANOTHER
EXPMT1:
PHASE 0
JRST EXPMR3
MRSP: JRST EXPMR1 ; TAB, SPACE
MRCI: MOVEI %01,0400 ; I
MRCZ: MOVEI %01,0000 ; Z
DEPHASE
EXPMT2:
PHASE 0
TROE %10,0(%01)
.TAB: TROE %10,0(%01) ; TAB, SPACE
.ALP: JRST EXPMR3 ; ALPHABETIC
.NUM: JRST EXPMR3 ; NUMERIC
DEPHASE
EXPMR3:
MOVE %13,%03 ;RESTORE CHARCTER POINTER
LDB %14,%13 ; AND CHARACTER
PUSH %17,%10 ;STACK VALUE
PUSHJ %17,EXPR ;EVALUATE EXPRESSION
SKIPE LITLVL ;NULL ADDRESS, ERROR IF NOT IN LITERAL
CAIA ; OK
TRO %15,ERRU ; NULL, NOT IN LITERAL
ANDI %10,7777 ;BEWARE OF OVERFLOW
CAIGE %10,200 ;PAGE ZERO?
JRST EXPMR5 ; YES, SKIP TEST
MOVE %03,%05 ;NO, USE %03 FOR SCRATCH
TRZ %03,0177 ;ZERO LOW BITS
TDC %10,%03 ;TEST FOR CURRENT PAGE
TRNN %10,7600
JRST EXPMR4 ;YES
TRO %15,ERRG ; SET LINK GENERATED ERROR
TDC %10,%03 ;NO, RESTORE VALUE
PUSHJ %17,PILIT ;BUILD A LITERAL
ANDI %10,0177 ;WE KNOW THAT IT IS THE CURRENT PAGE
TRO %10,0400 ;SET INDIRECT BIT
TDNE %10,0(%17) ;BIT ALREADY SET?
TRO %15,ERRI ; YES, FLAG ERROR
EXPMR4: TRO %10,0200 ;SET PAGE BIT
EXPMR5: ORM %10,0(%17) ;MERGE INTO INSTRUCTION
POP %17,%10 ;RESTORE VALUE
POPJ %17, ;EXIT
;PUSHJ %17,TERM
; NULL
; NUMERIC
; SYMBOLIC
TERM0: ILDB %14,%13
TERM:
SETZB %10,%01 ;RETURN VALUE IN %10
LDB %02,C6PNTR ;CONVERT USING COLUMN 6
ADDI %02,TERMCV ;POINT TO CONVERSION TABLE
LDB %02,CNVTBL(%12) ;CONVERT TO PROPER MODE
CAIL %02,TJNM ;NUMERIC TYPE?
AOS 0(%17) ; YES, RETURN +1
CAIL %02,TJAL ;ALPHABETIC?
AOS 0(%17) ; YES, RETURN +2
XCT TERMJT(%02) ;EXECUTE TABLE
TERMCV: ;TERM CONVERSION TABLE
PHASE 0
BYTE (4) . , . , . , . , . , .
TJSP: BYTE (4) . , . , . , . , . , .
TJNM: BYTE (4) . , . , . , . , . , .
TJUO: BYTE (4) . , . , . , . , . , .
TJPE: BYTE (4) . , . , . , . , . , .
TJQT: BYTE (4) . , 0 , . , . , . , .
TJLP: BYTE (4) . , 0 , . , . , . , .
TJLB: BYTE (4) . , 0 , . , . , . , .
TJAL: BYTE (4) . , . , . , . , . , .
DEPHASE
TERMJT: ;TERM JUMP TABLE
PHASE 0
POPJ %17, ; NO OPERATION
TJSP: JRST TERM0 ; SPACE OR TAB
TJNM: JRST TERMNM ; NUMERIC
TJUO: POPJ %17, ; +, -
TJPE: JRST TERMPE ; .
TJQT: JRST TERMQT ; "
TJLP: JRST PCLIT ; (
TJLB: JRST PZLIT ; [
TJAL: JRST GETSYM ; ALPHABETIC
DEPHASE ;NUMERIC TERM
MOVEI %02,-"0"(%14) ;GET ABSOLUTE VALUE
CAML %02,RADIX ;TEST WITHIN CURRENT RADIX BOUNDS
TRO %15,ERRN ; NO, FLAG ERROR
IMUL %10,RADIX ;MULTIPLY BY RADIX
ADD %10,%02 ;ADD IN CURRENT CHAR
ILDB %14,%13 ;GET NEXT CHARCTER
LDB %02,ANPNTR ;TEST FOR NUMERIC
XCT NTERMT(%02) ;EXECUTE TABLE
TRO %15,ERRN ;OVERFLOW ERROR, FLAG IT
POPJ %17,
NTERMT: ;NUMERIC TERM TABLE
PHASE 0
CAILE %10,7777
.TAB: CAILE %10,7777 ;TAB, SPACE
.ALP: CAILE %10,7777
.NUM: JRST TERMNM
DEPHASE
TERMPE: ; .
MOVE %10,%05 ;SET VALUE TO CURRENT LOCATION
ILDB %14,%13 ;GET NEXT CHARACTER
POPJ %17, ;EXIT
TERMQT: ; "
ILDB %14,%13 ;GET THE NEXT CHARACTER
LDB %02,C7PNTR ;CONVERT USING COLUMN 7
XCT QJTABL(%02) ;TEST VALIDITY
ILDB %14,%13 ;OK, GET NEXT CHARACTER
POPJ %17, ;EXIT
QJTABL:
PHASE 0
TROA %15,ERRT ; INVALID QUOTE CHARACTER
QJNU: TROA %15,ERRT
QJCR: TROA %15,ERRT
QJTB: MOVEI %10,200(%14) ; TAB
QJSP: MOVEI %10,200(%14) ; SPACE
QJPC: MOVEI %10,200(%14) ; PRINTING CHARACTER
DEPHASE
PCLIT: ;PROCESS CURRENT LITERALS
AOS LITLVL ;INCREMENT LIT LEVEL COUNT
PUSHJ %17,EXPR0 ;EVALUATE THE EXPRESSION
TRO %15,ERRL ;ERROR IF NULL
SOSA LITLVL ;DECREMENT LEVEL COUNT AND SKIP
PCLIT1: ILDB %14,%13 ;GET THE NEXT CHARACTER
LDB %02,C9PNTR ;CONVERT USING COLUMN 9
XCT PCLJT(%02) ;TEST FOR )
PILIT: TLNN %15,LITFLG ;LITERALS ALLOWED?
TROA %15,ERRI ; NO, FLAG ILLEGAL INDIRECT
TLNE %15,P1F ;PASS 1?
POPJ %17, ; YES, EXIT
LDB %01,[POINT 5,%05,28] ;GET PAGE NUMBER
JUMPE %01,PCZLIT ;BRANCH IF PAGE 0
ANDI %10,007777 ;MASK VALUE
SKIPN %07,CLHBUF(%01) ;ANY LITS THIS PAGE?
JRST PCLIT3 ; NO, INITIALIZE
MOVEI %07,177 ;MAKE ADDRESS RELATIVE
PCLIT2: SKIPN %02,CLTBUF(%07) ;TEST FOR VALUE (NON-ZERO)
JRST PCLIT4 ; NO
CAIN %10,0(%02) ; YES, DO THEY COMPARE?
JRST PCLIT5 ; YES, THIS IS THE ONE
SOJGE %07,PCLIT2 ;TEST FOR END
SETZ %07, ;END ,ERROR
TRO %15,ERRL
JRST PCLIT5
PCLIT3: MOVEI %07,177 ;INITIALIZE
PCLIT4: HRROM %10,CLTBUF(%07) ;STORE AND FLAG CURRENT LITERAL
DPB %01,[POINT 5,%07,28] ;SET PAGE
MOVEM %07,CLHBUF(%01) ;SET HEADER BUFFER
SKIPA
PCLIT5: DPB %01,[POINT 5,%07,28]
HRRZM %10,LVALUE
MOVE %10,%07 ;SET RESULT IN %10
JRST LITCRF ;EXIT THROUGH CREF
PCLJT: ;PROCESS CURRENT LITERALS JUMP TABLE
PHASE 0
JFCL
LTSP: JRST PCLIT1 ; SPACE, TAB
LTRP: ILDB %14,%13 ; )
LTRB: JFCL ; ]
DEPHASE
DCLIT: ;DUMP CURRENT LITERALS
TLNN %15,P1F ;PASS 1?
TRNN %05,7600 ; OR PAGE ZERO?
POPJ %17, ; YES, EXIT
MOVSI %07,-200 ;INIT INDEX
SKIPN CLTBUF(%07) ;SEARCH FOR START
AOBJN %07,.-1
JUMPGE %07,CPOPJ ;EXIT IF NONE
TRZE %16,HDRBIT ;FORM FEED SEEN?
TRO %16,HDRSAV ; YES, CLEAR BUT REMEMBER
MOVEI %10,-1(%07) ;GET CURRENT LOCATION MINUS ONE
LDB %01,[POINT 5,%05,28]
DPB %01,[POINT 5,%10,28] ;SET PAGE
SETZM CLHBUF(%01) ;CLEAR FOR OUTPUT
PUSH %17,%10 ;STACK NEW VALUE
PUSH %17,%01 ; AND INDEX
DCLIT1: SKIPN %10,CLTBUF(%07) ;VALUE STORED HERE (NON-ZERO)?
JRST DCLIT2 ; NO
SETZM CLTBUF(%07) ;ZERO
MOVEM %10,VALUE ;SET FOR ENDL
HRROM %10,LVALUE ;SET FOR LITCRF
MOVE %10,%05 ;GET LOCATION COUNTER
ANDI %10,007600 ;MASK CURRENT PAGE BITS
TRO %10,0(%07) ;SET ADDRESS BITS
PUSHJ %17,LITCRF ;CREF IT
PUSHJ %17,SETLOC ;CHECK FOR SEQUENCE BREAK
SETZM EQUIV
TLO %15,SRCFLG ;DON'T LIST SOURCE LINE
PUSHJ %17,ENDL ;PRINT
DCLIT2: AOBJN %07,DCLIT1 ;TEST FOR END
POP %17,%01 ;RETRIEVE INDEX
POP %17,CLHBUF(%01) ;SET NEW VALUE
TRZE %16,HDRSAV ;WAS THERE A FORM FEED?
TRO %16,HDRBIT ; YES, RESTORE IT
POPJ %17, ;EXIT
PZLIT: ;PROCESS PAGE ZERO LITERALS
AOS LITLVL ;INCREMENT LIT LEVEL COUNT
PUSHJ %17,EXPR0 ;EVALUATE THE EXPRESSION
TRO %15,ERRL ;ERROR IF NULL
SOSA LITLVL ;DECREMENT LEVEL COUNT AND SKIP
PZLIT1: ILDB %14,%13 ;GET THE NEXT CHARACTER
LDB %02,C9PNTR ;CONVERT USING COLUMN 9
XCT PZLJT(%02) ;TEST FOR ]
JUMP1 CPOPJ ;EXIT IF PASS 1
PCZLIT: ANDI %10,007777 ;MASK VALUE
MOVEI %07,177 ;POINT TO END OF BUFFER
PZLIT2: SKIPE %02,ZLTBUF(%07) ;IF LOCATION AVAILABLE
CAIN %10,0(%02) ;OR WE HAVE A MATCH
JRST PZLIT3 ;WE ARE ALMOST THRU
CAIE %07,0 ;NO. MORE ROOM ON THIS PAGE?
SOJA %07,PZLIT2 ;YES. DECREMENT ADR AND TRY AGAIN
TROA %15,ERRL ;NO ROOM. FLAG ERR AND DON'T STORE
PZLIT3: HRROM %10,ZLTBUF(%07) ; YES, STORE IT
HRRZM %10,LVALUE
MOVEI %10,0(%07) ;SUBSTITUTE
LITCRF: ;CREF FOR LITERALS
TLNN %15,LITFLG ;LITERALS ALLOWED?
TRO %15,ERRL ; NO, FLAG ERROR
TLNE %16,LSWBIT ;SHOULD WE CREF LITERALS?
POPJ %17, ;NO
MOVE %01,%10 ;GET VALUE
LSHC %00,^D24+3 ;CONVERT TO SIXBIT
REPEAT 3, <
LSH %00,3
LSHC %00,3 >
ADD %00,[SIXBIT /.L0000/] ;FORM SYMBOL
PUSHJ %17,CRFOUT ;CREF THE LITERAL BY LOCATION
MOVE %01,LVALUE ;GET THE VALUE OF THE LITERAL
MOVEI %02,CRSYMD
TLZE %01,777777 ;IS THIS A DEFINITION?
PUSHJ %17,LISTCQ ;YES - OUTPUT ^B
LSHC %00,^D24+3 ;CONVERT TO SIXBIT
REPEAT 3, <
LSH %00,3
LSHC %00,3 >
ADD %00,[SIXBIT /.V0000/] ;FORM SYMBOL
PUSHJ %17,CRFOUT ;CREF THE LITERAL BY VALUE
MOVEI %02,CRSYMD
SKIPGE LVALUE ;IS THIS A DEFINITION?
PUSHJ %17,LISTCQ ;YES - OUTPUT DEFINITION CHAR (^B)
POPJ %17, ;RETURN
PZLJT: ;PROCESS PAGE ZERO LITERALS JUMP TABLE
PHASE 0
JFCL
LTSP: JRST PZLIT1 ; SPACE, TAB
LTRP: JFCL ; )
LTRB: ILDB %14,%13 ; ]
DEPHASE
DZLIT: ;DUMP PAGE ZERO LITERALS
JUMP1 CPOPJ ;EXIT IF PASS 1
MOVSI %07,-200 ;INIT INDEX
DZLIT1: SETZ %10, ;LOAD AND ZERO NEXT ENTRY
EXCH %10,ZLTBUF(%07) ;IF WE DONT ZERO HERE WE GET A "Z" ERROR
JUMPGE %10,DZLIT2 ;VALUE STORED HERE (NON-ZERO)?
MOVEM %10,VALUE ;SET FOR ENDL
HRROM %10,LVALUE
MOVEI %10,0(%07) ;PUT VALUE IN %10
PUSHJ %17,LITCRF ;CREF IT
PUSHJ %17,SETLOC ;TEST FOR SEQUENCE BREAK
SETZM EQUIV
TLO %15,SRCFLG ;DON'T LIST SOURCE LINE
PUSHJ %17,ENDL ;PRINT
DZLIT2: SETZM ZLTBUF(%07) ;ZERO FOR NEXT FIELD
AOBJN %07,DZLIT1 ;TEST FOR END
MOVSI %07,-40
SETZM CLHBUF(%07) ;ZERO IN EVENT OF "FIELD"
AOBJN %07,.-1
POPJ %17,
TSTSYM: ;TEST FOR SYMBOL
LDB %02,ANPNTR
XCT TSTTBL(%02)
JRST TSTSYM ;TAB, TRY AGAIN
JRST GETSYM ;OK
TSTTBL: ;TEST SYMBOL TABLE
PHASE 0
POPJ %17,
.TAB: ILDB %14,%13
.ALP: AOSA 0(%17)
.NUM: POPJ %17,
DEPHASE
GETSYM:
SETZ %00, ;CLEAR AC
MOVSI %02,(POINT 6,%00,) ;SET BYTE POINTER
GETSY1: SUBI %14,40 ;CONVERT TO SIXBIT
TLNE %02,770000 ;ROOM TO STORE?
IDPB %14,%02 ; YES
ILDB %14,%13 ;GET NEXT CHARACTER
LDB %03,ANPNTR ;TEST ALPHA/NUMERIC
XCT GSJTBL(%03) ;EXECUTE TABLE
GSJTBL: ;GETSYM JUMP TABLE
PHASE 0
POPJ %17, ; NULL
.TAB: POPJ %17, ; TAB OR SPACE
.ALP: JRST GETSY1 ; ALPHABETIC
.NUM: JRST GETSY1 ; NUMERIC
DEPHASE
OCTAL:
MOVEI %10,^D8
CAIA
DECIMA:
MOVEI %10,^D10
MOVEM %10,RADIX
POPJ %17,
PAGE:
PUSHJ %17,DCLIT ;TEST FOR LITERALS
PUSHJ %17,EXPR
JRST PAGE1
TRZE %10,7400 ;WITHIN BOUNDS?
TRO %15,ERRP ; NO, FLAG ERROR
LSH %10,7
JRST OUTLOC ;DON'T TEST FOR SEQUENCE BREAK
PAGE1: ;"PAGE" WITH NO ARGUMENT
MOVE %10,%05 ;GET CURRENT LOCATION
TRZE %10,000177 ;CLEAR ADDRESS FIELD, WAS IT ZERO?
ADDI %10,000200 ; NO, MOVE TO NEXT PAGE
JRST OUTLOC ;DON'T TEST FOR SEQUENCE BREAK
FIELD: ;"FIELD" PSEUDO-OP PROCESSOR
PUSHJ %17,DCLIT ;DUMP CURRENT LITERALS
PUSHJ %17,DZLIT ; AND PAGE ZERO LITERALS
PUSHJ %17,EXPR ;COMPUTE EXPRESSION
CAIA ;NULL, ERROR
TRZE %10,777770 ;OVERFLOW?
TRO %15,ERRQ ; YES, MARK IT
HRROM %10,EQUIV ;LIST THE VALUE
JUMP1 CPOPJ ;EXIT IF PASS 1
LSH %10,3 ;MOVE BITS INTO PROPER SLOT
MOVEI %02,CHAN78_-6(%10) ;SET CHANNEL BITS
PUSHJ %17,BINOUT ;OUTPUT, BYPASSING CHECK-SUM
PUSHJ %17,ENDL ;FINISH UP CURRENT LINE PROCESSING
JRST BITDMP ;DUMP BIT TABLE AND EXIT
XLIST: ;"XLIST" PSEUDO-OP PROCESSOR
TLNN %15,P1F ;BYPASS IF PASS 1
TLO %15,XLFLG+LINFLG ;SET FLAG AND DONT LIST THIS LINE
POPJ %17, ;EXIT
NOPUNC: TLNN %15,P1F ;"NOPUNC" PSEUDO-OP
TLOA %16,NOPBIT
ENPUNC: TLZ %16,NOPBIT ;"ENPUNC" PSEUDO-OP
POPJ %17,
DTORG: ;"DTORG" PSEUDO-OP
PUSHJ %17,DCLIT ;DUMP CURRENT PAGE LITERALS
PUSHJ %17,DZLIT ;DUMP PAGE ZERO LITERALS
PUSHJ %17,EXPR ;EVALUATE THE EXPRESSION
JFCL ;NULL
HRROM %10,EQUIV ;LIST THE VALUE
TLNN %16,DSWBIT ;/D SET?
POPJ %17, ; NO, EXIT
TRO %10,CHAN78 ;YES, SET CHANNELS 7 AND 8
JRST BINWRD ;DUMP AND EXIT
ZBLOCK: ;"ZBLOCK" PSEUDO-OP
PUSHJ %17,EXPR ;EVALUATE THE EXPRESSION
TRO %15,ERRQ ;NULL, FLAG ERROR
ANDI %10,7777 ;MASK VALUE
TRZE %10,4000 ;OVERFLOW?
TRO %15,ERRQ ; YES, FLAG ERROR
MOVEM %10,ZBLTMP ;SAVE THE COUNT
ZBLOC1: SOSGE ZBLTMP ;TEST FOR END
POPJ %17, ; OK, EXIT
HRROS VALUE ;DUMP A ZERO
PUSHJ %17,ENDL ;LIST THE LINE
TLO %15,LINFLG ;DON'T LIST NEXT LINE
JRST ZBLOC1 ;TRY AGAIN
FIXMR0: ILDB %14,%13
FIXMRI: ;"FIXMRI" PSEUDO-OP
LDB %02,ANPNTR
XCT FIXTBL(%02) ;TAKE PROPER ACTION
CAIE %14,"=" ;PROPER TERMINATION?
JRST EXPRPS ; NO, ERROR
PUSHJ %17,EXPR0 ; YES, COMPUTE EXPRESSION
TRO %15,ERRU ;NULL, ERROR
PUSHJ %17,SRCH ;SEARCH THE SYMBOL TABLE
JFCL
MOVE %01,%10 ;SET VALUE
HRLI %01,MROP ;FLAG AS MEMORY REFERENCE INSTRUCTION
JRST INSRT ;INSERT AND EXIT
FIXTBL: ;FIXMRI TABLE
PHASE 0
JRST EXPRPS ; ERROR
.TAB: JRST FIXMR0 ; SPACE OR TAB
.ALP: PUSHJ %17,GETSYM ; ALPHABETIC
.NUM: JRST EXPRPS ; NUMERIC
DEPHASE
EXPUNG: ;"EXPUNGE" PSEUDO-OP
JUMP2 CPOPJ ;EXIT IF PASS 2
MOVSI %02,BSYMT-EEXOPS; YES, SET FOR ONLY PSEUDO-OPS
JRST SYTI ;RE-INIT TABLE AND EXIT
FIXTAB: ;"FIXTAB" PSEUDO-OP
JUMP2 CPOPJ ;EXIT IF PASS 2
MOVE %07,SYTBOT ;SET INDEX
ADDI %07,2
FIXTA1: PUSHJ %17,GETSTE ;GET NEXT NON-SPECIAL SYMBOL
POPJ %17, ;END, EXIT
MOVSI %02,MCOP ;NON-SPECIAL, CONSIDER IT A PSEUDO-OP
ORM %02,0(%07) ;FLAG SYMBOL
JRST FIXTA1 ;TRY AGAIN
;MISCELLANEOUS PSEUDO - OPS
CZECHSUM: ;OUTOUT CHECKSUM AND SOME LEADER/TRAILER
TLZ %16,NOPBIT ;RE-ENABLE BINARY OUTPUT
MOVE %10,CHKSUM
TRZ %10,CHAN78 ;SIX BIT QUANTITIES
PUSHJ %17,BINWRD ;OUTPUT THE CHECKSUM
MOVEI %03,14 ;A RANDOMLY SMALL AMOUNT OF LEADER
SETZM CHKSUM ;ZERO CHECKSUM
JRST LEADER+1 ;PUNCH LEADER AND RETURN
PCHAR: ;PUNCH SPECIFIED CHARACTER
PUSHJ %17,EXPR ;GET THE VALUE OF THE CHARACTER
CAIA ;NULL - WRONG,WRONG
TRZE %10,777000 ;IS IT REALLY A CHARACTER?
TRO %15,ERRQ ;NO - BE A MEANIE
HRROM %10,EQUIV ;LIST WHAT WE ARE PUNCHING
JUMP1 CPOPJ ;DON'T PUNCH IF PASS 1
MOVE %02,%10
JRST BINOUT ;PUNCH CHAR AND EXIT
NOBITS: ;INHIBIT BIT MAP LISTING
TLOA %16,XSWBIT ;SET /X SWITCH ON
ENBITS: ;RE-ENABLE BIT MAP
TLZ %16,XSWBIT ;SET /X SWITCH OFF
POPJ %17,0 ;RETURN
TEXT0: ILDB %14,%13
TEXT: ;"TEXT" PSEUDO-OP PROCESSOR
LDB %02,C7PNTR ;CONVERT USING COLUMN 7
XCT TEXTB1(%02) ;TEST FOR DELIMITER
TEXT1: ILDB %14,%13 ;FOUND, GET NEXT CHARACTER
LDB %02,C7PNTR ;CONVERT USING COLUMN 7
XCT TEXTB2(%02) ;TEST FOR END
JRST TEXT4 ;FOUND
ANDI %14,77 ;VALID CHARACTER, TRIM
SKIPE VALUE ;SECOND HALF?
JRST TEXT2 ; YES
LSH %14,6 ; NO, MOVE INTO LEFT POSITION
HRROM %14,VALUE ;STORE IT
JRST TEXT1 ;TRY AGAIN
TEXT2: ORM %14,VALUE ;SECOND HALF, MERGE WITH FIRST
PUSHJ %17,ENDL ;PRINT THE LINE
TLO %15,SRCFLG ;DON'T LIST FOLLOWING LINES
JRST TEXT1 ;GET THE NEXT CHARACTER
TEXT3: TROA %15,ERRT ;ERROR, MARK AND SKIP
TEXT4: ILDB %14,%13 ;NORMAL TERMINATION, MOVE TO NEXT CHAR
HRROS VALUE ;MAKE SURE BINARY IS COUNTED
POPJ %17, ;EXIT
TEXTB1: ;TEXT TABLE 1
PHASE 0
JRST TEXT3 ; INVALID CHARACTER
QJNU: JRST TEXT3
QJCR: JRST TEXT3
QJTB: JRST TEXT0 ; TAB
QJSP: JRST TEXT0 ; SPACE
QJPC: MOVEM %14,TXTEND ; PRINTING CHARACTER
DEPHASE
TEXTB2: ;TEXT TABLE 2
PHASE 0
JRST TEXT3
QJNU: JRST TEXT3
QJCR: JRST TEXT3
QJTB: JRST TEXT3
QJSP: CAMN %14,TXTEND
QJPC: CAMN %14,TXTEND
DEPHASE
XTEXT: ; "<" PALX GLICH
ILDB %14,%13 ;MOVE PAST OPENING BRACKET
TLNE %16,DSWBIT ;/D SET?
ILDB %14,%13 ; YES, FORGET FIRST CHAR
XTEXT1: JUMPE %14,XTEXT4 ;BRANCH IF CR
CAIN %14,">"
JRST XTEXT5 ;BRANCH IF CLOSING BRACKET
CAIL %14,"A" ;ALPHABETIC?
CAILE %14,"Z"
TRO %15,ERRT ; NO, FLAG ERROR
ANDI %14,77 ;MASK TO TRIMMED ASCII
MOVE %00,%14 ;SAVE IN %00
ILDB %14,%13 ;GET THE NEXT CHARACTER
CAIE %14,"-"
JRST XTEXT2 ;BRANCH IF NOT MINUS
TRO %00,40 ;FLAG
ILDB %14,%13 ;MOVE PAST MINUS
XTEXT2: SKIPE VALUE ;FIRST HALF?
JRST XTEXT3 ; NO
LSH %00,6 ; YES, MOVE VALUE THERE
HRROM %00,VALUE ;STORE
JRST XTEXT1 ;TRY THE NEXT CHARACTER
XTEXT3: ORM %00,VALUE ;SECOND HALF, MERGE
PUSHJ %17,ENDL ;DUMP THE LINE
TLO %15,SRCFLG ;DON'T PRINT SOURCE MORE THAN ONCE
JRST XTEXT1 ;GET NEXT CHAR
XTEXT4: PUSH %17,VALUE ;CR, SAVE VALUE
SETZM VALUE
TLZN %15,SRCFLG ;HAVE WE LISTED THE SOURCE?
PUSHJ %17,ENDL ; NO, DO SO
PUSHJ %17,GETLIN ;GET THE NEXT SOURCE LINE
TLNE %16,DSWBIT ;/D SET?
ILDB %14,%13 ; YES, BYPASS FIRST CHAR
POP %17,VALUE ;REPLACE VALUE
SETZ %00, ;TREAT CR AS NULL
JRST XTEXT2
XTEXT5: ILDB %14,%13 ;">", MOVE PAST IT
MOVEI %00,0077 ;ASSUME NEW CODE WORD
SKIPN VALUE ;GOOD GUESS?
JRST XTEXT6 ;YES
PUSHJ %17,ENDL ; NO, LIST CURRENT WORD
TLO %15,SRCFLG
MOVEI %00,7777 ;FINISH WITH 7777
XTEXT6: HRROM %00,VALUE ;SET FINAL VALUE
POPJ %17, ;EXIT
DBLENT: ;DOUBLE ENTRY
MOVEM %13,DBLSAV ;SAVE IN EVENT OF FAILURE
PUSHJ %17,@DBLPNT ;GO TO APPROPRIATE ROUTINE
TRZN %15,ERRN ;VALUE FOUND?
JRST LINE2 ; YES, FINISH UP
SETZM DBLPNT ; NO, RESET POINTER
MOVE %13,DBLSAV ;RESTORE CHARACTER POINTER
LDB %14,%13 ; AND CHARACTER
JRST LINE1 ;TRY FOR NORMAL LINE
DUBL: ;"DUBL" PSEUDO-OP
PUSHJ %17,DBL0 ;GO PROCESS
JRST DBLERR ;ERROR
TLZE %15,NEGFLG ;UNARY MINUS FOUND?
MOVNS %10 ; YES
MOVEI %00,DUBL
DUBLX: MOVEM %00,DBLPNT ;SET POINTER FOR NEXT LINE
LDB %00,[POINT 12,%10,23]
HRROM %00,VALUE ;SET FIRST WORD
HRROS %10
PUSH %17,%10 ;SAVE SECOND HALF
PUSHJ %17,ENDL ;LIST FIRST HALF
POP %17,VALUE ;SET SECOND HALF
TLO %15,SRCFLG ;DON'T LIST SOURCE ARAIN
POPJ %17, ;EXIT
FLTG: ;"FLTG" PSEUDO-OP
PUSHJ %17,DBL0 ;PROCESS DOUBLE PRECISION
CAIN %14,"." ; NON-NUMERIC, IS IT DECIMAL POINT?
SKIPA %03,%15 ;OK, SAVE NEGFLG
JRST DBLERR ;ERROR, EXIT
HRRZ %06,%01 ;SAVE INTEGER DIGITS
CAIE %14,"." ;DECIMAL POINT?
JRST FLTG1 ; NO
ILDB %14,%13 ; YES, GET NEXT CHARACTER
PUSHJ %17,DBL ;PROCESS DOUBLE
JFCL
FLTG1: HLRZS %01 ;GET DIGITS USED
SUB %06,%01 ;DECREMENT FACTOR
CAIE %14,"E" ;EXPONENT?
JRST FLTG2 ; NO
ILDB %14,%13 ; YES, PASS OVER IT
MOVE %07,%10 ;SAVE VALUE TO DATE
PUSHJ %17,DBL0 ;COMPUTE EXPONENT
JRST DBLERR ; ERROR, EXIT
TLZE %15,NEGFLG ;UNARY MINUS SEEN?
MOVNS %10 ;YES
ADD %06,%10 ;UPDATE FACTOR
MOVE %10,%07 ;RESTORE VALUE
FLTG2: SETZ %00,
JUMPE %10,FLTG7 ;BRANCH IF ZERO
TROA %00,^D35 ;SET INITIAL EXPONENT
FLTG3: ASH %10,1 ;SHIFT LEFT
TLNN %10,200000 ;NORMALIZED?
SOJA %00,FLTG3 ; NO, ADJUST EXPONENT AND LOOP
JUMPL %06,FLTG5 ;BRANCH IF NEGATIVE
FLTG4: SOJL %06,FLTG6 ;TEST FOR END
MOVEM %10,%02 ;COMPUTE N/4
ASH %02,-2
ADD %10,%02 ;ADD IT IN
ADDI %00,3 ;MULTIPLY BY 8 (8*(N+N/4) = 10N)
CAIGE %10,0 ;ARE WE IMPOSING ON SIGN BIT?
PUSHJ %17,SCALML ; YES, SCALE RIGHT
JRST FLTG4 ;LOOP
FLTG5: CAML %10,[^D10B4] ;OK FOR DIVIDE?
PUSHJ %17,SCALML ; NO, SCALE DOWN
DIV %10,[^D10B4] ;DIVIDE BY TEN
SUBI %00,4 ;COMPENSATE FOR [^D10B4] SCALING
AOJL %06,FLTG5 ;TEST FOR END
FLTG6: ADDI %10,4000 ;ADD ROUNDING CONSTANT
CAIGE %10,0 ;OVERFLOW?
PUSHJ %17,SCALML ; YES, SCALE RIGHT
ASHC %10,-^D12
TLZE %03,NEGFLG ;UNARY MINUS SEEN?
MOVNS %10 ; YES, NEGATE FRACTION
FLTG7: PUSH %17,%10 ;SAVE FRACTION
HRROM %00,VALUE ;SET EXPONENT
PUSHJ %17,ENDL ;DUMP IT
POP %17,%10 ;RETRIEVE FRACTION
TLO %15,SRCFLG ;SUPPRESS SOURCE LITING
MOVEI %00,FLTG ;SET FLAG FOR RETURN
JRST DUBLX ;EXIT THROUGH DUBL
SCALML: ;SCALE ML
LSH %10,-1 ;SCALE RIGHT
AOJA %00,CPOPJ ;INCREMENT EXPONENT AND EXIT
DBL0: ;DOUBLE PRECISION SUBROUTINE
SETZB %10,%01
DBL: ;NON-INITIALIZING ENTRY POINT
TLZA %15,NEGFLG ;RESET NEGATE FLAG AND SKIP
DBL1: ILDB %14,%13 ;GET NEXT CHARACTER
LDB %02,ANPNTR ;GET CHARACTERISTICS
XCT DBLTBL(%02) ;EXECUTE TABLE
TLCA %15,NEGFLG ; "-", TOGGLE FLAG AND SKIP
CAIN %14,"+" ; NO, UNARY PLUS?
JRST DBL1 ; YES, GET NEXT CHARACTER
POPJ %17,
DBL2: TLNE %10,760000 ;POSSIBLE OVERFLOW?
AOJA %01,DBL3 ; YES
IMULI %10,^D10 ;USE DECIMAL RADIX
ADDI %10,-"0"(%14) ;ADD IN THIS NUMBER
AOBJP %01,.+1
DBL3: ILDB %14,%13 ;GET NEXT CHARACTER
CAIL %14,"0" ;IS IT A NUMBER
CAILE %14,"9"
JRST CPOPJ1 ;FINISHED, SKIP-RETURN
JRST DBL2 ; YES, ADD IT IN
DBLTBL:
PHASE 0
CAIN %14,"-"
.TAB: JRST DBL1
.ALP: POPJ %17,
.NUM: JRST DBL2
DEPHASE
DBLERR: TRO %15,ERRN ;FLAG NUMERIC ERROR
POPJ %17, ; AND QUIT
IFDEF: TLO %15,IFDFLG ;"IFDEF" PSEUDO-OP
IFNDEF: ;"IFNDEF" PSEUDO-OP
PUSHJ %17,TSTSYM ;TRY FOR SYMBOL
TROA %15,ERRQ ; NOT SYMBOL, ERROR AND NOT FOUND
PUSHJ %17,SRCH ;SYMBOL, LOOK IT UP
TLCA %15,IFDFLG ; NOT FOUND, TOGGLE FLAG
PUSHJ %17,CRFOUT ;OUTPUT TO CREF
TLZN %15,IFDFLG ;FLAG TRUE?
JRST UNSCON ; NO
JRST SATCON ; YES
IFZERO: ;"IFZERO" PSEUDO-OP
PUSHJ %17,EXPR ;EVALUATE THE EXPRESSION
TRO %15,ERRQ ;NULL, ERROR
TRNE %10,7777 ;ZERO?
JRST UNSCON ; NO, UNSATISFIED
JRST SATCON ; YES, SATISIFIED
IFNZRO: ;"IFNZRO" PSEUDO-OP
PUSHJ %17,EXPR ;EVALUATE THE EXPRESSION
TRO %15,ERRQ ;NULL, ERROR
TRNN %10,7777 ;ZERO?
JRST UNSCON ; YES, UNSATISFIED
JRST SATCON ; NO, SATISIFIED
SATCON: AOSA LVLCNT ;FOUND, BUMP CONDITIONAL LEVEL COUNT
SATCO1: ILDB %14,%13 ;GET NEXT CHARACTER
LDB %02,C1PNTR ;CONVERT USING COLUMN 1
XCT SATJTB(%02) ;LOOK FOR "<"
TRO %15,ERRQ ;INVALID, FLAG ERROR
POPJ %17, ;EXIT
SATJTB: ;SATCON JUMP TABLE
PHASE 0
SOS LVLCNT ; INVALID
LNSP: JRST SATCO1 ; SPACE, TAB
LNCR: SOS LVLCNT ; CR, /
LNSC: SOS LVLCNT ; ;
LNDO: SOS LVLCNT ; $
LNLA: JRST STMNT0 ; <
LNRA: SOS LVLCNT ; >
DEPHASE
UNSCON: ;UNSATISFIED CONDITIONAL
TDZA %07,%07 ;INIT LOCAL LEVEL COUNT
UNSCO1: ILDB %14,%13 ;GET NEXT CHARACTER
UNSCO2: LDB %02,C1PNTR ;CONVERT USING COLUMN 1
XCT UNSJTB(%02) ;PERFORM PROPER ACTION
CAIE %07,0 ; ">", WAS "<" SEEN?
TROA %15,ERRQ ; NO, FLAG ERROR
ILDB %14,%13 ; YES, GET NEXT CHARACTER
POPJ %17, ;EXIT
UNSCO3: JUMPN %14,UNSCO1 ;BRANCH ON NON-CR
PUSHJ %17,ENDL ;END OF LINE, LIST IT
PUSHJ %17,GETLIN ;GET ANOTHER LINE
JRST UNSCO2 ;TRY AGAIN
UNSJTB: ;UNSATISFIED CONDITIONAL JUMP TABLE
PHASE 0
JRST UNSCO1
LNSP: JRST UNSCO1 ; SPACE, TAB
LNCR: JRST UNSCO3 ; CR, /
LNSC: JRST UNSCO1 ; ;
LNDO: JRST UNSCO1 ; $
LNLA: AOJA %07,UNSCO1 ; <
LNRA: SOJG %07,UNSCO1 ; >
DEPHASE
DEFINE: ;"DEFINE" PSEUDO-OP
SKIPE MACPNT ;NESTED?
JRST MACERR ; YES, ERROR
PUSHJ %17,TSTSYM ; NO, GET ITS NAME
JRST MACERR ;NON-SYMBOLIC, ERROR
PUSHJ %17,SRCH ;SEARCH SYMBOL TABLE
JFCL
MOVE %01,MACTOP ;GET CURRENT TOP OF MACRO STORAGE
HRLI %01,MAOP ;DEFINE AS MACRO
PUSHJ %17,INSRT ;INSERT IN TABLE
HRLI %01,(POINT 7,,) ;SET BYTE POINTER
MOVEM %01,MACTMP ;SET START FOR STORAGE
MOVEM %17,MACPDP ;SAVE CURRENT PUSH-DOWN STACK
PUSHJ %17,CREFQ ;CREF WANTED?
JRST DEFIN0 ;DONT OUTPUT TO CREF
MOVEI %02,CRFMAD ;MACRO DEFINITION FLAG
PUSHJ %17,CRFOU0 ;OUTPUT SYMBOL TO CREF
DEFIN0: SETZ %07, ;INIT ARG COUNT
DEFIN1: PUSHJ %17,TSTSYM ;FETCH DUMMY ARGUMENTS
JRST DEFIN2 ; END OF STRING
PUSH %17,%00 ;STACK NAME
AOJA %07,DEFIN1 ;TRY FOR ANOTHER
DEFIN2: MOVE %14,%07 ;GET ARG COUNT
PUSHJ %17,WCIMT ;WRITE IN MACRO TREE
LDB %14,%13 ;RESTORE LAST CHARACTER
TDOA %07,[-1] ;INIT LEVEL COUNTER AND SKIP
DEFIN3: ILDB %14,%13 ;GET NEXT CHARACTER
DEFIN4: CAIN %14,"<"
AOJE %07,DEFIN3 ;BUMP, FORGET IF OPENING BRACKET
CAIN %14,">"
SOJL %07,DEFIN8 ;BRANCH IF END
LDB %02,ANPNTR ;TEST CHARACTERISTICS OF CHAR
XCT DEFTBL(%02)
MOVE %06,%13 ;ALPHABETIC, SAVE POINTER
PUSHJ %17,GETSYM ;ACCUMULATE SYMBOL
MOVE %02,MACPDP ;POINT TO START OF ARG STORAGE
DEFIN5: CAML %02,%17 ;FINISHED?
JRST DEFIN6 ; YES
CAME %00,1(%02) ; NO, TEST FOR MATCH
AOBJN %02,DEFIN5 ; NO, TRY AGAIN
SUB %02,MACPDP ;COMPUTE ARG NUMBER
MOVEI %14,1(%02) ;PLACE IN %14
PUSHJ %17,WTIMT ;WRITE WITH FLAG
LDB %14,%13 ;RETRIEVE LAST CHARACTER
JRST DEFIN4
DEFIN6: MOVE %13,%06 ;NOT ARG, POINT TO BEGINNING
LDB %14,%13 ;RESTORE CHARACTER
LDB %02,ANPNTR
XCT DEFTB2(%02) ;FLUSH CHARACTERS IF NOT FOUND
ILDB %14,%13 ;TRY AGAIN
JRST .-3
DEFTB2:
PHASE 0
JRST DEFIN4
.TAB: JRST DEFIN4
.ALP: PUSHJ %17,WCIMT
.NUM: PUSHJ %17,WCIMT
DEPHASE
DEFIN7: SKIPL %07 ;PROCESSING YET?
PUSHJ %17,WCIMT ; YES, WRITE CHARACTER IN TREE
JUMPN %14,DEFIN3 ;BRANCH IF NOT END OF LINE
PUSHJ %17,ENDL ;END, LIST IT
PUSHJ %17,GETLIN ;GET ANOTHER
JRST DEFIN4 ;RECYCLE
DEFIN8: AOSE %07 ;">", IS IT MATCHING?
TRO %15,ERRM ; NO, ERROR
SETZ %14, ;SET END FLAG
PUSHJ %17,WTIMT ;WRITE IN TREE
ILDB %14,%13 ;BYPASS ">"
MOVE %17,MACPDP ;RESTORE PD PNTR
AOS %02,MACTMP
HRRZM %02,MACTOP ;SET NEW TOP
POPJ %17,
DEFTBL:
PHASE 0
JRST DEFIN7
.TAB: JRST DEFIN7
.ALP: JUMPL %07,DEFIN7
.NUM: JRST DEFIN7
DEPHASE
CALLM: ;MACRO CALL PROCESSOR
SKIPE MACPNT ;ARE WE NESTED?
JRST MACERR ; YES, ERROR
HRLI %01,(POINT 7,,) ; NO, SET BYTE POINTER
MOVEM %01,MACPNT ;SET MACRO BYTE POINTER
MOVE %02,MACTOP
HRLI %02,(POINT 7,,)
MOVEM %02,ARGTMP ;SET ARG POINTER
MOVEM %02,MACTMP ;SET FOR STORAGE
ILDB %06,MACPNT ;GET ARGUMENT COUNT
CALLM1: JUMPE %06,CALLM4 ;BRANCH IF NO MORE ARGS
ILDB %14,%13 ;GET NEXT CHARACTER
CALLM2: JUMPE %14,CALLM4 ;TEST FOR CR
CAIN %14,"/" ;INTO COMMENT FIELD?
JRST CALLM4 ; YES, GET OUT
CAIN %14,"," ;END OF ARG?
JRST CALLM3 ; YES
PUSHJ %17,WCIMT ; NO, WRITE CHARACTER IN TREE
JRST CALLM1 ;GET NEXT CHARACTER
CALLM3: IBP %13 ;INCREMENT BYTE POINTER
CALLM4: MOVEI %14,RUBOUT ;SET FLAG CHARACTER
PUSHJ %17,WCIMT ;WRITE IN TREE
LDB %14,%13 ;RECOVER LAST CHARACTER
SOJG %06,CALLM2 ;RECYCLE IF NOT END
AOS %02,MACTMP
HRRZM %02,MACTOP ;SET NEW TOP
POPJ %17, ;EXIT
WTIMT: ;WRITE TWO CHARACTERS IN MACRO TREE
PUSH %17,%14 ;SAVE FIRST CHARACTER
MOVEI %14,RUBOUT
PUSHJ %17,WCIMT ;WRITE RUBOUT
POP %17,%14 ;RESTORE CHARACTER
JRST WCIMT
WCIMT: ;WRITE CHAR IN MACRO TREE
HRRZ %02,MACTMP
ADDI %02,4
CAML %02,SYTBOT ;OVERFLOW?
PUSHJ %17,GETCOR ; YES
IDPB %14,MACTMP ;DEPOSIT CHARACTER
POPJ %17,
MACERR:
TRO %15,ERRM
POPJ %17,
LSTOCT:
MOVE %03,[POINT 3,%10,23]
LSTOC1: ILDB %02,%03
ADDI %02,"0"
PUSHJ %17,0(%01)
TLNE %03,770000
JRST LSTOC1
POPJ %17,
SETLOC: ;TEST FOR SEQUENCE BREAK
HRROM %10,EQUIV ;LIST NEW LOCATION
CAIN %05,0(%10) ;IS THERE A SEQUENCE BREAK?
POPJ %17, ; NO, EXIT
OUTLOC: HRROM %10,EQUIV
TRZE %10,770000 ;EXPRESSION OVERFLOW?
TRO %15,ERRQ ; YES, FLAG ERROR
HRRZ %05,%10
TRO %10,CHAN7 ;SET CHANNEL BITS AND OUTPUT
BINWRD:
LDB %02,[POINT 8,%10,29]
PUSHJ %17,BINCHR
LDB %02,[POINT 6,%10,35]
BINCHR:
TLNN %16,BINBIT!NOPBIT
TLNE %15,P1F
POPJ %17,
ADDM %02,CHKSUM
JRST BINOUT
LEADER:
MOVEI %03,120
MOVEI %02,CHAN8_-6
PUSHJ %17,BINOUT
SOJG %03,.-1
POPJ %17,
LINPNT: POINT 7,LINBUF,
; SYMBOL TABLE ROUTINES
SYTI: ;INITIALIZE THE SYMBOL TABLE
MOVE %06,CORTOP ;GET TOP OF CORE
MOVEM %06,SYTTOP ;SAVE TOP LOCATION
SUBI %06,4 ;COMPUTE INITIAL BOTTOM
MOVEM %06,SYTBOT ;STORE IT
MOVEI %00,2 ;INITIALIZE WITH TWO DUMMY SYMBOLS
MOVEM %00,0(%06)
MOVSI %00, (1B0)
MOVEM %00,1(%06) ;SET LOW BUMPER
SETZM 2(%06)
SETCAM %00,3(%06) ;SET HIGH BUMPER
SETZM 4(%06)
PUSHJ %17,SRCHI ;INITIALIZE THE SEARCH ROUTINES
SYTI1: MOVE %00,BSYMT(%02) ;GET MNEMONIC
AOBJN %02,.+1
MOVE %01,BSYMT(%02) ;GET VALUE
LSH %01,0(%12) ;SHIFT MODE BIT INTO POSITION
JUMPGE %01,SYTI2 ;BRANCH IF NOT SET
MOVE %01,BSYMT(%02) ;GET VALUE
TLZ %01,777000 ;MASK OUT BITS
PUSHJ %17,SRCH ;SEARCH THE SYMBOL TABLE
PUSHJ %17,INSRT ;INSERT MNEMONIC AND VALUE
SYTI2: AOBJN %02,SYTI1 ;TEST FOR END
POPJ %17, ;EXIT
SRCH: ;SEARCH THE SYMBOL TABLE
MOVE %07,SRCHS ;GET STARTING ADDRESS
MOVE %06,SRCHD ; AND DELTA
SRCH1: CAMGE %00,-1(%07) ;ON OR ABOVE?
JRST SRCH2 ; NO, MOVE DOWN
CAMG %00,-1(%07) ;ABOVE?
JRST SRCH3 ; NO, POINTING TO IT
ADD %07,%06 ; YES, MOVE UP
CAIA
SRCH2: SUB %07,%06
ASH %06,-1 ;HALVE DELTA
CAMG %07,SYTTOP ;WITHIN BOUNDS?
JUMPN %06,SRCH1 ; YES, RECYCLE IF NOT DONE
JUMPN %06,SRCH2 ; NO, MOVE DOWN IF NOT THROUGH
SOJA %07,CPOPJ ;NOT FOUND, EXIT
SRCH3: MOVE %01,0(%07) ;FOUND, FETCH VALUE
AOS 0(%17) ;SKIP-RETURN
POPJ %17,0 ;RETURN
INSRT: ;INSERT IN SYMBOL TABLE
CAMN %00,-1(%07) ;ALREADY IN TABLE?
JRST UPDATE ; YES, JUST REPLACE VALUE
INSRT1: MOVE %06,SYTBOT ; NO, GET BOTTOM OF TABLE
SUBI %06,2 ;PREPARE TO MOVE DOWN TWO LOCATIONS
CAMLE %06,MACTOP ;HAVE WE ROOM?
JRST INSRT2 ; YES
PUSHJ %17,GETCOR ; NO, GET AND MOVE CORE
ADDI %07,CORINC
JRST INSRT1 ;TRY AGAIN
INSRT2: MOVEM %06,SYTBOT ;SET NEW BOTTOM
HRLI %06,2(%06) ;COMPUTE BLT
BLT %06,-2(%07)
AOS @SYTBOT ;INCREMENT SYMBOL COUNT
MOVEM %00,-1(%07) ;STORE VALUE
UPDATE: MOVEM %01, 0(%07) ;STORE MNEMONIC
JRST SRCHI ;RE-COMPUTE OFFSET
GETCOR: ;GET MORE CORE
PUSH %17,%00 ;SAVE REGS
PUSH %17,%01
HRRO %01,.JBREL ;GET CURRENT TOP
PUSHJ %17,PANIC ;ASK EXEC FOR MORE CORE
MOVN %00,SYTBOT ;GET -BOTTOM
ADDI %00,1(%01) ;COMPUTE DIFFERENCE +1
POP %01,CORINC(%01) ;POP UP
SOJG %00,.-1 ;TEST FOR END
MOVEI %01,CORINC
ADDM %01,SYTBOT ;UPDATE POINTERS
ADDM %01,.JBSYM
ADDM %01,SYTTOP
PUSHJ %17,SRCHI ;UPDATE SEARCH OFFSET
POP %17,%01
POP %17,%00
POPJ %17, ;EXIT
RESYM: ;REMOVE A SYMBOL FROM THE TABLE
SUBI %07,2
RESYM1: MOVE %06,0(%07) ;GET MNEMONIC VALUE
MOVEM %06,2(%07) ;MOVE UP TWO SLOTS
CAME %07,SYTBOT ;END?
SOJA %07,RESYM1 ; NO
ADDI %07,2 ; YES, COMPUTE NEW BOTTOM
MOVEM %07,SYTBOT
SOS @SYTBOT ;REDUCE SYMBOL COUNT
JRST SRCHI ;COMPUTE NEW OFFSET AND EXIT
SRCHI: ;INITIALIZE THE SYMBOL TABLE OFFSET
SETZ %06,
FAD %06,@SYTBOT ;COMPUTE BINARY POWER
LSH %06,-33 ;RIGHT-JUSTIFY
MOVEI %03,1_11 ;SET A BIT
LSH %03,-<400-<33-11>+1>(%06) ;MOVE IT INTO POSITION
MOVEM %03,SRCHD ;SAVE AS DELTA
ASH %03,1 ;MULTIPLY BY TWO
ADD %03,SYTBOT ;COMPUTE HALF-WAY MARK
MOVEM %03,SRCHS
POPJ %17,
SYMTB: ;LIST THE SYMBOL TABLE
MOVE %07,SYTBOT ;GET START OF SYMBOL TABLE
ADDI %07,2 ;MOVE PAST GARBAGE
SYMTB1: TRO %16,HDRBIT ;FLAG NEW PAGE
MOVEI %03,PAGSIZ-2 ;SET LINE COUNT
SYMTB2: SKIPL -1(%07) ;END REACHED?
POPJ %17, ; YES, EXIT
MOVE %06,%07 ;SAVE CURRENT POINTER
MOVEI %04,SPL ;SET "SYMBOLS PER LINE"
TLNE %16,TTYBIT ;TTY?
MOVEI %04,SPLTTY ; YES, REDUCE
SETZ %05,
SYMTB3: PUSHJ %17,GETSTE ;GET THE NEXT SYMBOL TABLE ENTRY
JRST SYMTB4 ;FINIS
SOJG %05,SYMTB3 ;TEST FOR ITEMS TO SKIP
PUSHJ %17,LSTSTE ;LIST SYMBOL TABLE ENTRY
MOVEI %05,PAGSIZ-2
SOJG %04,SYMTB3 ;TEST FOR MORE ITEMS ON LINE
SYMTB4: PUSHJ %17,LSTCR ;END OF LINE, LIST CR/LF
SOJLE %03,SYMTB1 ;BRANCH IF END OF PAGE
MOVE %07,%06 ;RETRIEVE POINTER
PUSHJ %17,GETSTE ;MOVE ONE PAST
POPJ %17, ;END, EXIT
JRST SYMTB2 ;OK, PROCESS ANOTHER
GETSTE: ;GET SYMBOL TABLE ENTRY
ADDI %07,2 ;MOVE UP TWO
SKIPL -1(%07) ;TEST FOR END
POPJ %17, ; YES, EXIT
LDB %02,[POINT 9,0(%07),17] ;GET SYMBOL TYPE
JUMPN %02,GETSTE ;BYPASS IF OP
AOS 0(%17) ;OK, PERFORM SKIP-RETURN
POPJ %17,
LSTSTE: ;LIST SYMBOL TABLE ENTRY
PUSHJ %17,LSTTAB ;LEAD OFF WITH TAB
HRLOI %01,(POINT 6,0(%07),) ;SIXBIT POINTER TO SYMBOL
LSTST1: ILDB %02,%01 ;GET A CHARACTER
JUMPE %02,LSTST2 ;DON'T LIST TRAILING BLANKS
ADDI %02,40 ;CONVERT TO ASCII
PUSHJ %17,LSTOUT ;LIST CHARACTER
TLNE %01,770000 ;ANY MORE CHARACTERS?
JRST LSTST1 ; YES
LSTST2: PUSHJ %17,LSTTAB
MOVSI %01,(POINT 3,0(%07),23) ;SET OCTAL POINTER
LSTST3: ILDB %02,%01 ;GET OCTAL CHARACTER
ADDI %02,"0" ;CONVERT TO ASCII
PUSHJ %17,LSTOUT ;LIST IT
TLNE %01,770000 ;ANY MORE BYTES?
JRST LSTST3 ; YES
JRST LSTTAB ;OUTPUT A TAB AND EXIT
BITDMP: ;DUMP THE BIT TABLE
TLZE %15,CODFLG ;NO CODE STORED?
TLNE %16,XSWBIT!LSTBIT ;BIT MAP LISTING SUPPRESSED?
JRST BITDM4 ; YES, JUST INITIALIZE
SETZ %10,
BITDM1: TRNN %10,3777
TRO %16,HDRBIT
TRNN %10,0777
PUSHJ %17,LSTCR
TRNN %10,0177
PUSHJ %17,LSTCR
TRNE %10,0077
JRST BITDM2
PUSHJ %17,LSTCR
MOVEI %01,LSTOUT
PUSHJ %17,LSTOCT
BITDM2: LDB %02,[POINT 5,%10,28]
SKIPN PAGBUF(%02) ;ANY CODE ON THIS PAGE?
JRST BITDM3 ; NO, DON'T LIST
MOVEI %02,SPACE
TRNN %10,0007
PUSHJ %17,LSTOUT
TRNN %10,0007
PUSHJ %17,LSTOUT
MOVE %01,%10
IDIVI %01,^D36
MOVE %01,BITBUF(%01)
ROT %01,0(%02)
MOVEI %02,"0"
TLNE %01,(1B0)
MOVEI %02,"1"
PUSHJ %17,LSTOUT
BITDM3: CAIGE %10,7777
AOJA %10,BITDM1
TRO %16,HDRBIT
BITDM4: SETZM BITBUF
MOVE %01,[XWD BITBUF,BITBUF+1]
BLT %01,BITEND ;ZERO BIT MAP STORAGE AREA
TLO %15,LINFLG ;INHIBIT LISTING - WE'VE ALREADY LISTED
;THE LINE WHICH CAUSED THE DUMP
POPJ %17,
CRFOUT: ;OUTPUT WORD TO CREF
PUSHJ %17,CREFQ ;CREF WANTED?
POPJ %17, ;NO EXIT
LDB %02,[POINT 9,%01,17] ;GET SYMBOL TYPE BITS
XCT CRFTBL(%02) ;GET PROPER FLAG
CRFOU0: PUSHJ %17,LISTCQ ;LIST IT
MOVEI %03,6 ;HAVE TO COUNT THE CHARACTERS
MOVEI %02,0 ;NONE SO FAR
TRNE %00,77 ;CHARACTER HERE?
ADDI %02,1 ;YES. COUNT IT
ROT %00,6 ;CHECK ANOTHER CH
SOJG %03,.-3 ;COUNT 6 CHARS
PUSHJ %17,LSTDMP ;OUTPUT THE COUNT FROM AC2
MOVSI %03,(POINT 6,%00,)
CRFOU1: ILDB %02,%03 ;GET A SIXBIT CHARACTER
JUMPE %02,CRFOU2 ;BRANCH IF END
ADDI %02,40 ;CONVERT TO ASCII
PUSHJ %17,LSTDMP ;LIST IT
TLNE %03,770000 ;END OF WORD?
JRST CRFOU1 ; NO, GET ANOTHER
CRFOU2: POPJ %17,0 ;EXIT
CRFTBL: ;CREF TABLE
PHASE 0
MOVEI %02,CRFSYM
PSOP: MOVEI %02,CRFOPC
MROP: MOVEI %02,CRFOPC
MCOP: MOVEI %02,CRFOPC
MAOP: MOVEI %02,CRFMAC
DEPHASE
LISTCQ: PUSHJ %17,CREFQ ;CREF WANTED NOW?
POPJ %17,0 ;NO. RETURN
PUSH %17,%02 ;SAVE CHARACTER
TLON %15,CSYBIT ;BLOCK BEGUN?
PUSHJ %17,CRFBGN ;NO. START IT
POP %17,%02 ;RETRIEVE CHARACTER
JRST LSTDMP ;TYPE CHAR AND RETURN
BSYMT: ;BASIC SYMBOL TABLE
;PSEUDO-OPERATORS
SIXBIT /ZBLOCK/
<SBX! SBS> + <PSOP>B17 + ZBLOCK
SIXBIT /DECIMA/
<SBX!SB3!SB8!SBD!SBS> + <PSOP>B17 + DECIMA
SIXBIT /DEFINE/
<SBX! SB8 > + <PSOP>B17 + DEFINE
SIXBIT /DTORG/
<SBX > + <PSOP>B17 + DTORG
SIXBIT /DUBL/
<SBX! SB8 > + <PSOP>B17 + DUBL
SIXBIT /ENBITS/
<SBX! SBS> + <PSOP>B17 + ENBITS
SIXBIT /ENPUNC/
<SBX! SBS> + <PSOP>B17 + ENPUNC
SIXBIT /EXPUNG/
<SBX!SB3!SB8!SBD!SBS> + <PSOP>B17 + EXPUNG
SIXBIT /FIELD/
<SBX!SB3!SB8!SBD!SBS> + <PSOP>B17 + FIELD
SIXBIT /FIXMRI/
<SBX!SB3 > + <PSOP>B17 + FIXMRI
SIXBIT /FIXTAB/
<SBX!SB3!SB8!SBD!SBS> + <PSOP>B17 + FIXTAB
SIXBIT /FLTG/
<SBX! SB8 > + <PSOP>B17 + FLTG
SIXBIT /IFDEF/
<SBX! SBS> + <PSOP>B17 + IFDEF
SIXBIT /IFNDEF/
<SBX! SBS> + <PSOP>B17 + IFNDEF
SIXBIT /IFNZRO/
<SBX! SBS> + <PSOP>B17 + IFNZRO
SIXBIT /IFZERO/
<SBX! SBS> + <PSOP>B17 + IFZERO
SIXBIT /NOBITS/
<SBX! SBS> + <PSOP>B17 + NOBITS
SIXBIT /NOPUNC/
<SBX! SBS> + <PSOP>B17 + NOPUNC
SIXBIT /OCTAL/
<SBX!SB3!SB8!SBD!SBS> + <PSOP>B17 + OCTAL
SIXBIT /PAGE/
<SBX! SB8!SBD!SBS> + <PSOP>B17 + PAGE
SIXBIT /PAUSE/
<SBX!SB3! SBD!SBS> + <PSOP>B17 + CPOPJ
SIXBIT /PUNCHR/
<SBX! SBS> + <PSOP>B17 + PCHAR
SIXBIT /PUNCKS/
<SBX! SBS> + <PSOP>B17 + CZECHSUM
SIXBIT /TEXT/
<SBX! SB8!SBD!SBS> + <PSOP>B17 + TEXT
SIXBIT /XLIST/
<SBX! SBD!SBS> + <PSOP>B17 + XLIST
;MEMORY REFERENCE INSTRUCTIONS
SIXBIT /AND/
<SBX!SB3!SB8!SBD!SBS> + <MROP>B17 + 0000
SIXBIT /TAD/
<SBX!SB3!SB8!SBD!SBS> + <MROP>B17 + 1000
SIXBIT /ISZ/
<SBX!SB3!SB8!SBD!SBS> + <MROP>B17 + 2000
SIXBIT /DCA/
<SBX!SB3!SB8!SBD!SBS> + <MROP>B17 + 3000
SIXBIT /JMS/
<SBX!SB3!SB8!SBD!SBS> + <MROP>B17 + 4000
SIXBIT /JMP/
<SBX!SB3!SB8!SBD!SBS> + <MROP>B17 + 5000
EEXOPS:
;GROUP 1 OPERATE MICROINSTRUCTIONS
SIXBIT /OPR/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7000
SIXBIT /NOP/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7000
SIXBIT /IAC/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7001
SIXBIT /RAL/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7004
SIXBIT /RTL/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7006
SIXBIT /RAR/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7010
SIXBIT /RTR/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7012
SIXBIT /CML/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7020
SIXBIT /CMA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7040
SIXBIT /CLL/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7100
SIXBIT /CLA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7200
;GROUP 2 OPERATE MICROINSTRUCTIONS
SIXBIT /HLT/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7402
SIXBIT /OSR/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7404
SIXBIT /SKP/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7410
SIXBIT /SNL/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7420
SIXBIT /SZL/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7430
SIXBIT /SZA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7440
SIXBIT /SNA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7450
SIXBIT /SMA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7500
SIXBIT /SPA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7510
;COMBINED OPERATE MICROINSTRUCTIONS
SIXBIT /CIA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7041
SIXBIT /STL/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7120
SIXBIT /GLK/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7204
SIXBIT /STA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7240
SIXBIT /LAS/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 7604
;IOT MICROINSTRUCTIONS
;PROCESSOR IOTS
SIXBIT /IOT/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6000
SIXBIT /ION/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6001
SIXBIT /IOF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6002
;KEYBOARD/READER
SIXBIT /KSF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6031
SIXBIT /KCC/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6032
SIXBIT /KRS/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6034
SIXBIT /KRB/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6036
;TELEPRINTER/PUNCH
SIXBIT /TSF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6041
SIXBIT /TCF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6042
SIXBIT /TPC/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6044
SIXBIT /TLS/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6046
;HIGH-SPEED READER (TYPE PC02)
SIXBIT /RSF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6011
SIXBIT /RRB/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6012
SIXBIT /RFC/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6014
;HIGH-SPEED PUNCH (TYPE PC03)
SIXBIT /PSF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6021
SIXBIT /PCF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6022
SIXBIT /PPC/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6024
SIXBIT /PLS/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6026
;DISK FILE AND CONTROL (TYPE DF32)
SIXBIT /DCMA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6601
SIXBIT /DMAR/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6603
SIXBIT /DMAW/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6605
SIXBIT /DCEA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6611
SIXBIT /DSAC/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6612
SIXBIT /DEAL/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6615
SIXBIT /DEAC/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6616
SIXBIT /DFSE/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6621
SIXBIT /DFSC/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6622
SIXBIT /DMAC/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6626
;DECTAPE TRANSPORT (TYPE TU55) AND CONTROL (TYPE TC01)
SIXBIT /DTRA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6761
SIXBIT /DTCA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6762
SIXBIT /DTXA/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6764
SIXBIT /DTSF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6771
SIXBIT /DTRB/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6772
SIXBIT /DTLB/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6774
;MEMORY EXTENSION CONTROL (TYPE 183)
SIXBIT /CDF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6201
SIXBIT /CIF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6202
SIXBIT /RDF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6214
SIXBIT /RIF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6224
SIXBIT /RMF/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6244
SIXBIT /RIB/
<SBX!SB3!SB8!SBD!SBS> + <MCOP>B17 + 6234
;PALX CODES
SIXBIT /MMLS/
<SBX > + <MCOP>B17 + 6751
SIXBIT /MMLM/
<SBX > + <MCOP>B17 + 6752
SIXBIT /MMLF/
<SBX > + <MCOP>B17 + 6754
SIXBIT /MMMF/
<SBX > + <MCOP>B17 + 6756
SIXBIT /MMMM/
<SBX > + <MCOP>B17 + 6757
SIXBIT /MMSF/
<SBX > + <MCOP>B17 + 6761
SIXBIT /MMCC/
<SBX > + <MCOP>B17 + 6762
SIXBIT /MMML/
<SBX > + <MCOP>B17 + 6766
SIXBIT /MMSC/
<SBX > + <MCOP>B17 + 6771
SIXBIT /MMCF/
<SBX > + <MCOP>B17 + 6772
SIXBIT /MMRS/
<SBX > + <MCOP>B17 + 6774
SIXBIT /SKPNA/
<SBX > + <MCOP>B17 + 6311
SIXBIT /RSC/
<SBX > + <MCOP>B17 + 6312
SIXBIT /PSC/
<SBX > + <MCOP>B17 + 6314
EBSYMT: ;END OF BASIC SYMBOL TABLE
CNVTBL: ;MODE CONVERSION TABLE
POINT 4,0(%02),3
POINT 4,0(%02),7
POINT 4,0(%02),11
POINT 4,0(%02),15
POINT 4,0(%02),19
POINT 4,0(%02),23
C1PNTR: POINT 4,CHJTBL(%14), 3
C2PNTR: POINT 4,CHJTBL(%14), 7
C3PNTR: POINT 4,CHJTBL(%14),11
C4PNTR: POINT 4,CHJTBL(%14),15
C5PNTR: POINT 4,CHJTBL(%14),19
C6PNTR: POINT 4,CHJTBL(%14),23
C7PNTR: POINT 4,CHJTBL(%14),27
C8PNTR: POINT 4,CHJTBL(%14),31
C9PNTR: POINT 4,CHJTBL(%14),35
ANPNTR= C8PNTR
CHJTBL: ;CHARACTER JUMP TABLE
BYTE (4) LNCR, , , , , ,QJNU, , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) LNSP,STSP, ,EXSP,MRSP,TJSP,QJTB,.TAB,LTSP ; TAB
BYTE (4) , , , , , ,QJNU, , ; LF
BYTE (4) , , , , , ,QJNU, , ;
BYTE (4) , , , , , ,QJNU, , ; FF
BYTE (4) , , , , , ,QJCR, , ; CR
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , ,QJNU, , ; EOF
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) LNSP,STSP, ,EXSP,MRSP,TJSP,QJSP,.TAB,LTSP ; SPACE
BYTE (4) , , ,EXOR, , ,QJPC, , ; !
BYTE (4) , , ,EXTE, ,TJQT,QJPC, , ; "
BYTE (4) , , , , , ,QJPC, , ; #
BYTE (4) LNDO, , , , , ,QJPC, , ; $
BYTE (4) , , ,EXDV, , ,QJPC, , ; %
BYTE (4) , , ,EXAN, , ,QJPC, , ; &
BYTE (4) , , , , , ,QJPC, , ; '
BYTE (4) , , ,EXTE, ,TJLP,QJPC, , ; (
BYTE (4) , , , , , ,QJPC, ,LTRP ; )
BYTE (4) ,STAS, , , , ,QJPC, , ; *
BYTE (4) , , ,EXPL, ,TJUO,QJPC, , ; +
BYTE (4) , ,SACM, , , ,QJPC, , ; ,
BYTE (4) , , ,EXMI, ,TJUO,QJPC, , ; -
BYTE (4) , , ,EXTE, ,TJPE,QJPC, , ; .
BYTE (4) LNCR, , , , , ,QJPC, , ; /
BYTE (4) , , ,EXTE, ,TJNM,QJPC,.NUM, ; 0
BYTE (4) , , ,EXTE, ,TJNM,QJPC,.NUM, ; 1
BYTE (4) , , ,EXTE, ,TJNM,QJPC,.NUM, ; 2
BYTE (4) , , ,EXTE, ,TJNM,QJPC,.NUM, ; 3
BYTE (4) , , ,EXTE, ,TJNM,QJPC,.NUM, ; 4
BYTE (4) , , ,EXTE, ,TJNM,QJPC,.NUM, ; 5
BYTE (4) , , ,EXTE, ,TJNM,QJPC,.NUM, ; 6
BYTE (4) , , ,EXTE, ,TJNM,QJPC,.NUM, ; 7
BYTE (4) , , ,EXTE, ,TJNM,QJPC,.NUM, ; 8
BYTE (4) , , ,EXTE, ,TJNM,QJPC,.NUM, ; 9
BYTE (4) , , , , , ,QJPC, , ; :
BYTE (4) LNSC,STSC, , , , ,QJPC, , ; ;
BYTE (4) LNLA,STLA, , , , ,QJPC, , ; <
BYTE (4) , ,SAEQ, , , ,QJPC, , ; =
BYTE (4) LNRA, , , , , ,QJPC, , ; >
BYTE (4) , , , , , ,QJPC, , ; ?
BYTE (4) , , , , , ,QJPC, , ; @
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; A
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; B
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; C
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; D
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; E
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; F
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; G
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; H
BYTE (4) ,STAL, ,EXTE,MRCI,TJAL,QJPC,.ALP, ; I
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; J
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; K
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; L
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; M
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; N
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; O
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; P
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; Q
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; R
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; S
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; T
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; U
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; V
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; W
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; X
BYTE (4) ,STAL, ,EXTE, ,TJAL,QJPC,.ALP, ; Y
BYTE (4) ,STAL, ,EXTE,MRCZ,TJAL,QJPC,.ALP, ; Z
BYTE (4) , , , , ,TJLB,QJPC, , ; [
BYTE (4) , , , , , ,QJPC, , ; \
BYTE (4) , , , , , ,QJPC, ,LTRB ; ]
BYTE (4) , , ,EXMU, , ,QJPC, , ; ^
BYTE (4) , , , , , ,QJPC, , ; _
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , , , , ;
BYTE (4) , , , , , ,QJNU, , ;
XX SYTTOP,1,POINTER TO TOP OF SYMBOL TABLE
XX SYTBOT,1,POINTER TO BOTTOM OF SYMBOL TABLE
XX SRCHD,1,SEARCH DELTA
XX SRCHS,1,SEARCH HALF-WAY POINT
XX RADIX,1
XX VALUE,1
XX LVALUE,1
XX EQUIV,1
XX CHKSUM,1
XX LVLCNT,1,CONDITIONAL LEVEL COUNT
XX MACPNT,1
XX MACTMP,1
XX MACPDP,1
XX ARGPNT,1
XX ARGTMP,1
XX MACTOP,1
XX DBLPNT,1
XX DBLSAV,1
XX TXTEND,1,USED BY "TEXT" PSEUDO-OP
XX RUNTIM,1,RUN TIME
XX LINBUF,CPL/5+1,SOURCE LINE BUFFER
XX TTLBUF,TTLLEN/5,TITLE BUFFER
XX TTLEND,1
XX CLTBUF,200,CURRENT LITERAL BUFFER
XX ZLTBUF,200,PAGE ZERO LITERAL BUFFER
XX CLHBUF,40,CURRENT LITERAL HEADER BUFFER
XX SEQNUM,1
XX PDPBUF,PDPLEN
XX AC00,1,AC EXCHANGE BLOCK
XX AC01,1
XX AC02,1
XX AC03,1
XX AC04,1
XX AC05,1
XX AC06,1
XX AC07,1
XX AC10,1
XX AC11,1
XX AC12,1
XX AC13,1
XX AC14,1
XX DATE,1
XX MSTIME,1
XX PAGNUM,1,PAGE NUMBER
XX PAGEXT,1,PAGE EXTENSION
XX ERRCNT,1,ERROR COUNT
XX LINKS,1, LINKS GENERATED
XX EXTSAV,1,FILNAM EXTENSION FOR HEADER (EXEC)
XX MODSW,1
XX .JBFFI,1,.JBFF SAVE
XX TTISAV,1,TTI POINTER SAVE
XX INBCNT,1
XX XESAVE,1
XX XE,1,EXEC LOOKUP BLOCK
XX XE1,1
XX XE2,1
XX XE3,1
XX TTIBUF,1
XX TTIPNT,1
XX TTICNT,1
XX TTOBUF,1
XX TTOPNT,1
XX TTOCNT,1
XX BINBUF,1
XX BINPNT,1
XX BINCNT,1
XX LSTBUF,1
XX LSTPNT,1
XX LSTCNT,1
XX SRCBUF,1
XX SRCPNT,1
XX SRCCNT,1
XX LINCNT,1,EXEC LINE COUNTER
XX CORTOP,1,CORE TOP
XX CORBOT,1,CORE BOTTOM
XX BITBUF,10000/^D36+1,BIT MAP BUFFER
XX PAGBUF,^D32,PAGE BUFFER FOR BIT MAP
XX LITLVL,1,LIT LEVEL COUNT
BITEND=LITLVL-1
ZBLTMP=TXTEND
BZCOR=SYTTOP
EZCOR=LITLVL+1
XLIST ;DONT LIST LITERALS
LIT
LIST ;JUST LITERALS ABOVE
END PAL ;....PAL