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update/t20src/ddt11.mac
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;
;
;
; COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1984,1987. ALL RIGHTS RESERVED.
;
;
; THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED
; ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH THE
; INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR ANY OTHER
; COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
; OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE SOFTWARE IS HEREBY
; TRANSFERRED.
;
;
; THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE
; AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT
; CORPORATION.
;
; DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
; SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
;
TITLE DDT11 %7F(121) PDP-10 RESIDENT PDP-11 [FIL]DDT
VWHO== 0
VDDT11==7
VMINOR==6
VEDIT== 121
comment \
This program has been brought to you through the hard work of the
following people:
Tony Crugnola, Dan Deufel, Kathy Haramundanis, [RDH], Tim Litt,
DRLyons, Mary Marotta, Todd (WEM) Matson, Dave McClure, Pete
Mierswa, Reed Powell, Bob South, Ric Werme, Jack Yelig
EDIT 120 Dec-20-83 VLG
* Put in privilage check for MCB's *
\
SEARCH DDTSYM,JOBDAT,MACTEN,UUOSYM,MONSYM
SALL ;GET NICE LISTINGS FOR A CHANGE
.HWFRMT ;AND SKIP THE FANCY BITS
.DIRECT FLBLST
; ENTRY POINTS FOR THIS ROUTINE
ENT11 (ENTRY) ; OUR ENTRY POINTS
ENTGP (EXTERN) ; GLOBALS IN DDTGP
ENTSIM (EXTERN) ; GLOBALS IN DDTSIM
ENTFIL (EXTERN) ; GLOBALS IN DDTFIL
EXTERN DEFOUT
;DDT11 VERSION NUMBER
%%DDT11==:<BYTE (3)VWHO(9)VDDT11(6)VMINOR(18)VEDIT>
LOC .JBVER
%%DDT11
RELOC 0
ASCII \
COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1984,1987. ALL RIGHTS RESERVED.
\;END COPYRIGHT MACRO
\
DDT11: NOP
JSR INIALL ;GET PROCESSOR FLAGS, AND RESET WORLD
CALL IDTYPE ;IDENTIFY OURSELF
CALL CRLTYP ;END WITH A FLOURISH
MOVE T1,[0,,0] ;DEFAULT OUTPUT MODE IS SYMBOLIC
MOVEM T1,O.MODE
SETZM CACHEL ;HIGHEST ADDR IN CACHE
SETZM NODE.N ;HAVEN'T SPECIFIED NODE YET
SETZM CMDCON ;NO COMAND CONFLICTS YET
SETZM LINE ;OR LINE ON NODE
JRST INI.03
INI.00: TYPE <
Respond with file spec and/or switches (/HELP for help)>
CLRBFI ;FLUSH TYPEAHEAD
INI.03: TYPE <
Input: >
SETZ T1, ;NO DEFAULT FILE NAME
MOVE T2,[SIXBIT /LSDBIN/] ;DEFAULT EXTENSION
MOVE T3,[SW.DSP,,SW.LST]
MOVE T4,[400000,,RDDUMP] ;DEFAULT LAST SWITCH
SETZM SWTMSK ; NO SWITCHES, NO CONFLICTS
CALL OPNFL0
JRST INI.00 ;TELL HIM THATS NOT NICE
JRST INI.03
INIALL: Z
SETZ 0 ;ZERO 1ST AC
MOVEI 17,1 ;MAKE BLT POINTER
BLT 17,17 ;CLEAR ALL AC'S
MOVE P,[IOWD PDLEN,PDL]
PUSH P,INIALL
SETZM OHD
SETZM CMDFIL
MOVE FLG,FLGSAV ;SETUP FLAGS
TXZ FLG,F.EXEC!F.TOPN!F.LOCK!F..SIM!F.WENB!F.WRIT!F.APND
MOVSI T1,(CPU.34) ; GET THE FLAG FOR AN 11/34
MOVEM T1,FLAG11 ; AND SAVE AWAY FOR THE SPOOKS
MOVEI T1,CPN.34 ; AND GET THE CPU CODE NUMBER
MOVEM T1,TYPE11 ; SAVE THE NEW MASK
MOVE T1,[MA.34] ; GET THE MEMORY MASK
MOVEM T1,MEMMSK ; AND SAVE THAT, TOO
SETZM F.DEBU ; NO DEBUG SWITCHES
SETZM F.MSYS ; NOR IS THE A MCB SYSTEM
SETZM F.MCB ; NOR A RUNNING MCB
SETZM DEFOUT ; SET ZERO DEFAULT OUTPUT MODE
SETZM MRGFLG
MOVE DOT,[DOT.FG] ; DOT IS VALID, AND 0
SETZM RSTATE ;CLEAR STB READER STAE
MOVE T1,INIALL
TLNN T1,010000 ;CHECK USER MODE FLAG
TXO FLG,F.EXEC ;WE ARE IN EXEC MODE
CALL MAPCOR ;SETUP EPT AND UNIBUS MAPPING
SETZM UPTIME ;HAVEN'T STARTED THE CLOCK YET
SETZ T2,
TXNE FLG,F.EXEC ;IF NOT IN EXEC MODE
JRST INIAL1
MOVE T1,[XWD 112,11] ;GET THE MONITOR TYPE
CALLI T1,41 ;A GETTAB IN HIDING
SETZ T1, ;ALWAYS A 0 IF IT FAILS
LSH T1,-^D12 ;MOVE THE TYPE OVER
ANDI T1,7 ;MASK ANY UNWANTED BITS
MOVE T2,[T.OTHER ;FREE INDEX
T.TOP10 ;TOPS-10
T.ITS ;ITS
T.TENEX ;TENEX
T.TOP20 ;TOPS-20
T.OTHER
T.OTHER
T.OTHER](T1) ;GET THE TYPE
INIAL1: TXNE FLG,F.EXEC
TXO T2,T.EXEC
MOVEM T2,OSTYPE ;AND SAVE FOR LATER USE
RESET
SETZM INSRUN ;HAVEN'T DONE ANY INSTRCUTIONS YET
SETZM WAITIM ;AND HAVEN'T WAITED YET
MOVE T2,[1,,2]
TXNN FLG,F.EXEC ; DONT TRY IF WE ARE IN EXEC MODE
GETPPN T2, ; SEE WHO WE ARE
JFCL ; BLOODY JACCT BIT
MOVEM T2,MYPPN ; SAVE FOR PPN DEFAULTING
RET ,INIALL
;HERE ON A REENTER
RSTART: NOP
JSR INIALL ;DO RESET, ETC.
;HERE AFTER INITIAL DIALOGUE
LEVL.0: SKIPE FILDEV
JRST [TYPE <?
?File specification given was not used by any switch
>
RELEAS 1,
SETZM FILDEV
RET ,LEVL.0]
MOVE P,[IOWD PDLEN,PDL]
CALL STCOR1 ;HANDLE /CORE:#
CALL MAPCOR ;UPDATE MEMORY MAP
SETZM OHD
SETZM CMDFIL ;NO MORE COMMAND FILE
CALL CRLTYP
SETZM CMDTKR
LEVEL0: TXZ FLG,F.LOPN!F.MASK!F.MOPN!F.CACH!F.WRIT!F.LBKT
MOVEM FLG,FLGSAV ;SAVE IN CASE OF REENTER
HLRS ORADIX ;RESET OUTPUT RADIX
HLRS O.MODE ;RESET CURRENT OUTPUT MODE FROM PERMANENT
HLRS BYTCNT ;RESET REPETITION COUNT
; HERE TO RESET MOST OF THE DANGEROUS THINGS (LIKE THE STACK POINTER),
; AND ASK FOR THE NEXT COMMAND THAT WE WILL PARSE AND EXECUTE
LEVEL2: MOVE P,[IOWD PDLEN,PDL]
SETZM TYPDAT
TXZ FLG,F.SYMB!F.TEXT!F.IOCT!F.IDEC!F.IHEX
MOVE T1,[POINT 7,CMDLIN]
MOVEM T1,CMDPTR ;SAVE NEW COMMAND PUTTER
MOVE STATE,[T2,,STATE0] ;DISPATCH TABLE WHEN IDLE
MOVE T1,[POINT 8,DATA]
SKIPE PDP8F
MOVE T1,[POINT 12,DATA]
MOVEM T1,DAT ;POINTER TO DATA AREA
SETZM DTFINP
MOVE T1,[BYTCNT,,ESCSAV] ;SPECIAL CARE OF THINGS SET
BLT T1,ESCSAV+2 ; WITH ESCAPE COMMANDS
SETZM LFTSAV ;NO PARTIAL X<Y>
; MOST OF THE WORK IS IN READING AN INSTRUCTION, IF ONE WAS TYPED
LEVEL3: CALL GETEXP ;GET AN EXPRESSION
JRST COMAND ;CHECK FOR COMMAND FILE
LDB T1,CMDPTR ;GET LAST CHARACTER
CAIE T1,40 ;WAS IT A SPACE ?
JRST LEVEL8
SKIPE PDP8F ;DOING PDP8 INSTRUCTIONS ?
JRST LEVEL9
TXNE FLG,F.SYML ;DID WE HAVE A SYMBOL ?
TLNN SYM,SMF.IN ;WAS IT AN INSTRUCTION ?
JRST LEVEL8
MOVEI T1,DAT.IN
MOVEM T1,TYPDAT ; REMEMBER THAT WE SAW AN INSTRUCTION
MOVE T1,EXPRESS ;GET EXPRESSION
IDPB T1,DAT ;SAVE IT
PUSH P,DAT ;SAVE POINTER TO OPCODE
ROT T1,-^D8
IDPB T1,DAT
CALL NDTFIN ;SET NEXT DTFINP
PUSH P,SYM ;SAVE SYMBOL POINTER
TLNE SYM,SMF.EI ;WAS THIS AN EIS INSTRUCTION ?
JRST [SETZ T1, ;ARG FOR LEVEL5
CALL LEVEL5
LDB T1,CMDPTR ;GET BREAK CHARACTER
CAIE T1,","
JRST LEVEL7
MOVE SYM,(P) ;RESTORE SYMBOL POINTER
JRST .+1 ]
TLNE SYM,SMF.JS!SMF.SB!SMF.EI ;WAS THIS A JSR OR SOB OR EIS ?
JRST [ CALL GETREG ;GET REGISTER NAME ARGUMENT
MOVE T3,-1(P) ;GET POINTER TO OPCODE
LDB T2,T3 ;GET LOW ORDER BITS
ILDB T3,T3 ;GET HIGH ORDER BITS
DPB T3,[POINT 8,T2,27]
DPB T1,[POINT 3,T2,29]
MOVE T3,-1(P) ;GET POINTER TO OPCODE AGAIN
DPB T2,T3 ;RESTORE LOW ORDER BITS
LSH T2,-^D8
IDPB T2,T3
MOVE SYM,(P) ;RESTORE SYM POINTER
TLNE SYM,SMF.EI ;IF EIS DON'T CHECK ","
JRST .+1
LDB T1,CMDPTR
CAIE T1,"," ;PROPER BREAK ?
JRST LEVEL7
JRST .+1]
MOVEI T1,^D6 ;ARG FOR LEVEL5
TLNE SYM,SMF.SS
JRST [CALL LEVEL5
LDB T1,CMDPTR ;GET BREAK CHARACTER
CAIE T1,","
JRST LEVEL7
MOVE SYM,(P) ;RELOAD POINTER TO SYMBOL
JRST .+1]
SETZ T1, ;ARG FOR LEVEL5
TLNE SYM,SMF.DD!SMF.SS
CALL LEVEL5
MOVE SYM,(P) ;GET FLAGS AGAIN
TLNE SYM,SMF.BR ;WAS THIS A BRANCH TYPE INSTRUCTION ?
JRST [CALL GETEXP ;GET BRANCH ADR
JRST ILLCHR
MOVE T1,EXPRESS ;GET DESTINATION ADR
HRROM T1,LSTIAD ;SAVE LAST ADR TYPED IN
SUB T1,DTFINP
ASH T1,-1
SOS T1
SKIPN F.MCB
ANDI T1,177777
CAIL T1,200
CAIL T1,177600
TRZA T1,777400
JRST ILLCHR
DPB T1,-1(P)
JRST LEVEL7 ]
TLNE SYM,SMF.MK ;WAS THIS A MARK ?
JRST [CALL GETEXP ;GET ARGUMENT
JRST ILLCHR
MOVE T1,EXPRESS
LDB T2,-1(P) ;GET LOW ORDER BITS OF OPCODE
DPB T1,[POINT 6,T2,35]
DPB T2,-1(P) ;PUT OPCODE BACK IN DATA
JRST LEVEL7 ]
TLNE SYM,SMF.EM ;EMT TYPE INSTRUCTION ?
JRST [CALL GETEXP ;GET OPERAND
JRST ILLCHR
MOVE T1,EXPRESS ;GET OPERAND
DPB T1,-1(P) ;PUT OPERAND IN INSTRUCTION
JRST LEVEL7 ]
TLNE SYM,SMF.RT ;RTS TYPE INSTRUCTION ?
JRST [CALL GETREG ;GET REGISTER NAME
LDB T2,-1(P) ;GET LOW ORDER BITS OF OPCODE
DPB T1,[POINT 3,T2,35]
DPB T2,-1(P)
JRST LEVEL7 ]
TLNE SYM,SMF.PL ;WAS THIS A SPL TYPE ?
JRST [CALL GETEXP ;GET ARGUMENT
JRST ILLCHR
MOVE T1,EXPRESS
LDB T2,-1(P) ;GET LOWORDER BITS OF OPCODE
DPB T1,[POINT 3,T2,35]
DPB T2,-1(P)
JRST LEVEL7 ]
TLNE SYM,SMF.SB ;WAS THIS A SOB ?
JRST [CALL GETEXP ;GET ADDRESS
JRST ILLCHR
MOVE T1,EXPRESS
HRROM T1,LSTIAD ;IN CASE ENDS WITH A TAB
HRRZ T2,DTFINP
SUBI T2,-2(T1)
SKIPN F.MCB
ANDI T2,177777
LSH T2,-1
CAIL T2,100
JRST ILLCHR ;OUT OF RANGE
LDB T1,-1(P) ;GET LOW ORDER BITS OF OPCODE
DPB T2,[POINT 6,T1,35]
DPB T1,-1(P) ;RESTORE
JRST LEVEL7 ]
LEVEL7: POP P,SYM
POP P,T1
JRST LEVEL9
LEVEL8: TXNN FLG,F.GEXP ;DID WE GET ANYTHING ?
JRST LEVEL9 ;NO
MOVE T1,EXPRESS
HRLI T1,400000 ;ASSUME REGISTER
TXNE FLG,F.SYML ;WAS THERE A SYMBOL IN EXPRESSION ?
TLNN SYM,SMF.RG ;WAS THAT A REGISTER NAME ?
HRROS T1 ;MEMORY ADR
MOVEM T1,LSTIAD ;SAVE LAST ADR TYPED IN
IDPB T1,DAT
LSH T1,-^D8
IDPB T1,DAT
SKIPN F.MCB
JRST LEV8.5
LSH T1,-^D8
ANDI T1,3
IDPB T1,DAT
LEV8.5: MOVEI T1,DAT.NU ; REMEMBER THAT THIS WAS A NUMBER
MOVEM T1,TYPDAT ; SO WE CAN USE IT LATER
CALL NDTFIN ;ADVANCE DTFINP
LEVEL9: MOVE T4,[POINT 8,DATA] ;POINTER TO DATA
SKIPE PDP8F
HRLI T4,(POINT 12)
LDB T1,CMDPTR ;GET BREAK CHARACTER
ROT T1,-1
TLNE T1,400000
SKIPA T2,STATEB(T1)
HLRZ T2,STATEB(T1)
JRST (T2) ;DISPATCH ON BREAK CHARACTER
COMAND: LDB T1,[POINT 6,SYMBOL,5] ;GET FIRST CHAR OF SYMBOL
CAIE T1,' %'
JRST LEVEL2 ;PUNT
MOVE T1,SYMBOL ;GET SYMBOL
CAMN T1,[SIXBIT \%GOTO\]
JRST %GOTO
CAMN T1,[SIXBIT \%IF\]
JRST %IF
CAMN T1,[SIXBIT \%IFB\]
JRST %IFB
JRST ILLCHR
;HERE IF DOING "%GOTO"
%GOTO: CALL SIXIN ;FIND WHERE TO GO
JRST ILLCHR
%GOTO3: MOVEM T1,SYMBOL ;REMEMBER WHERE TO GO
CALL SYMFND ;SEE IF WE KNOW IT
JRST [CALL FNDTAG
JRST ILLCHR
JRST .+1 ]
SKIPE CSECHO ;ECHOING COMMAND FILE ?
JRST %GOTO5 ;NO
CALL CRLTYP ;BEGIN WITH A FLOURISH
MOVE T1,(SYM) ;GET TAG NAME
CALL SIXTYP
CALL COLTYP ;END WITH A ":"
%GOTO5: MOVE T1,1(SYM) ;GET VALUE
MOVEM T1,CMDCNT ;WHERE WE WILL BE
CALL FILPOS ;POSITION FILE
JRST ILLCHR
JRST LEVEL2
;HERE TO SEARCH THROUGH REST OF FILE TO FIND TAG
FNDTAG: HRROS CSECHO ;SUPPRESS ECHO WHILE SEARCHING
CALL SIXIN ;GET NEXT SIXBIT WORD
JRST FNDTG8
CAIE T5,":" ;WAS THAT A TAG DEFINITION ?
JRST FNDTG8 ;NO
LDB T2,[POINT 6,T1,5] ;DID IT START WITH A % ?
CAIE T2,' %'
JRST FNDTG8
MOVE T2,CMDCNT ;VALUE OF TAG
MOVSI T3,SMF.SU ;SUPPRESSED
SETZM T4 ;MISC
CALL ADDSYM ;ADD IT TO OUR TABLE
MOVE T1,(SYM) ;GET SYMBOL
CAME T1,SYMBOL ;WAS THIS WHAT WE WANTED ?
JRST FNDTG8 ;NO SO KEEP LOOKING
HRRZS CSECHO ;TURN ECHOING BACK ON
RET SKIP,FNDTAG
FNDTG8: SKIPE CMDFIL ;DID WE HIT END OF FILE ?
JRST FNDTAG ;NO SO KEEP LOOKING
HRRZS CSECHO ;TURN ECHO BACK ON
RET ,FNDTAG
;HERE IF DOING A %IF COMMAND
%IFB: SETOM IFBYTE ; FLAG BYTE MODE
CAIA ; SKIP NEXT WORD
%IF: SETZM IFBYTE ;WE ARE DOING WORD WORK
CALL SIXIN ;GET CONDITION
JRST ILLCHR ;LOSE
SETZ T3,
%IF..3: SKIPN %IFLST(T3)
JRST ILLCHR ;LOSE CAUSE CAN'T FIND THAT TYPE
CAME T1,%IFLST(T3) ;FIND IT ?
AOJA T3,%IF..3
JRST @%IFDSP(T3) ;DISPATCH ON TYPE OF CONDITION
;HERE FOR "%IF DEF" OR "IF DF"
%IFDEF: CALL SIXIN ;GET WHAT MIGHT BE DEFINED
JRST ILLCHR ;LOSE CAUSE END OF FILE
CALL SYMFND ;GO SEE IF WE CAN FIND IT
JRST %IFNOT ;NOT DEFINE SO DON'T DO IT
JRST %IFTRUE ;FOUND IT
;HERE FOR "%IF ERR"
%IFERR: TXZN FLG,F.CERR
JRST %IFNOT ;DON'T DO IT
JRST %IFTRU ;DO IT
;HERE FOR "%IF NDF"
%IFNDF: CALL SIXIN ;GET SYMBOL TO CHECK
JRST ILLCHR ;LOSE
CALL SYMFND ;SEE IF WE CAN FIND IT
JRST %IFTRUE ;WHAT HE WAS LOOKING FOR
JRST %IFNOT
;HERE FOR "IF EQ"
%IF.EQ: MOVE T1,[SKIPE T1]
JRST %IFEXP
;HERE FOR "%IF G" OR "%IF GT"
%IF.GT: MOVE T1,[SKIPG T1]
JRST %IFEXP
;HERE FOR "%IF GE"
%IF.GE: MOVE T1,[SKIPGE T1]
JRST %IFEXP
;HERE FOR "%IF NE" OR "%IF N"
%IF.NE: MOVE T1,[SKIPN T1]
JRST %IFEXP
;HERE FOR "%IF L" OR "%IF LT"
%IF.LT: MOVE T1,[SKIPL T1]
JRST %IFEXP
;HERE FOR "%IF LE"
%IF.LE: MOVE T1,[SKIPLE T1]
JRST %IFEXP
%IFEXP: PUSH P,T1 ;SAVE TEST
CALL GETEXP ;GET EXPRESSION TO EVALUATE
JRST ILLCHR ;LOSE CAUSE EPRESSION NOT HERE
SKIPE IFBYTE ; IS THIS A BYTE MODE?
JRST [ TRNE T1,200 ; IS THIS BYTE NEGITIVE
ORCMI T1,177 ; SIGN EXTEND THE BYTE
JRST %IFEX2 ]
TRNE T1,100000 ;IS THIS NEGATIVE ?
ORCMI T1,077777 ;EXTEND SIGN
%IFEX2: POP P,T2 ;GET TEST
XCT T2
JRST %IFNOT ;NOT TRUE
%IFTRU: CALL SIXIN
JRST ILLCHR ;MUST BE END OF FILE
SETZ T2,
ROTC T1,6
CAIE T2,' %'
ROTC T1,-6
MOVEI T2,' %'
ROTC T1,-6
JRST %GOTO3 ;BRANCH TO THAT TAG
;HERE BECAUSE CONDITION NOT TRUE
%IFNOT: CALL SIXIN
JRST ILLCHR
JRST LEVEL2 ;ON TO OTHER THINGS
;HERE TO DO SS OR DD FIELD
LEVEL5: PUSH P,T1
CALL GETOPR ;GET OPERAND
JRST [POP P,T1 ;CLEAN OFF STACK
POP P,T1 ;POP OFF RETURN
JRST LEVEL2 ]
LDB T3,[POINT 6,T1,17] ;GET MODE
CAIE T3,27 ;IMMEDIATE ?
CAIN T3,37 ;OR ABSOLUTE ?
JRST LEVEL4
CAIL T3,60
LEVEL4: JRST [IDPB T1,DAT
LSH T1,-^D8
IDPB T1,DAT
MOVEI T1,2
ADDM T1,DTFINP
JRST .+1 ]
POP P,T1 ;GET POSITION
LSH T3,(T1)
MOVE T2,-2(P) ;GET POINTER TO OPCODE
LDB T1,T2 ;GET LOW ORDER BITS
ILDB T2,T2 ;GET HIGH ORDER BITS
DPB T2,[POINT 8,T1,27]
TRO T1,(T3) ;SET SS OR DD MODE
MOVE T2,-2(P) ;GET POINTER TO OPCODE
DPB T1,T2 ;SAVE LOW ORDER BITS
LSH T1,-^D8
IDPB T1,T2 ;SAVE HIGH ORDER BITS
RET ,LEVEL4
;HERE TO GET AN OPERAND
; CALL GETOPR
; LOSE RETURN
; WIN WITH T1/ MODE,,ADR
GETOPR: TXZ FLG,F.HASH!F.PERC!F.LPAR
MOVSI AC1,400000 ;BUILD MODE HERE
GETOP0: CALL GETEXP
RET ,GETOPR
LDB T1,CMDPTR ;GET BREAK CHAR
CAIN T1,"@"
JRST [ TLON AC1,10 ;BIT FOR INDIRECT
TXNE FLG,F.GEXP
JRST ILLCHR
JRST GETOP0]
CAIN T1,"#"
JRST [ TXON FLG,F.HASH
TXNE FLG,F.GEXP
JRST ILLCHR
JRST GETOP0]
CAIN T1,"-" ;IS THIS AUTO DECREMENT ?
JRST [TLON AC1,40 ;FLAG AUTO DECREMENT
TXNE FLG,F.GEXP ;WAS THERE ANY DATA ?
JRST ILLCHR
CALL GETCHR ;GET THE (
IDPB T1,CMDPTR
CAIE T1,"("
JRST ILLCHR
JRST GETOP5 ]
CAIN T1,"("
JRST [TXOE FLG,F.LPAR
JRST ILLCHR
HRR AC1,EXPRESS ;IN CASE INDEXED
TLNN AC1,10 ;HAVE A @ ALSO ?
TXNE FLG,F.GEXP ;WAS IT INDEXED ?
TLO AC1,60 ;REMEMBER WAS INDEXED
JRST GETOP5 ]
TXNN FLG,F.GEXP ;DID WE GET SOMETHING ?
JRST ILLCHR
HRR AC1,EXPRESS ;GET EXPRESSION
TXNE FLG,F.SREG
JRST [DPB AC1,[POINT 3,AC1,17]
JRST GETOP8 ]
TXNE FLG,F.HASH ;WAS THAT IMMEDIATE ?
JRST [TLO AC1,27 ;SET IMMEDIATE OR ABSOLUTE
JRST GETOP8 ]
TLO AC1,67
HRRZI T1,-4(AC1)
SUB T1,DTFINP
SKIPN F.MCB
ANDI T1,177777
HRROM AC1,LSTIAD ;IN CASE ENDS WITH AN HT
HRR AC1,T1
JRST GETOP9
;HERE TO GET THE REGISTER NAME IN OPERAND SPECIFICATION
GETOP5: CALL GETREG ;GET REGISTER NAME
DPB T1,[POINT 3,AC1,17] ;PUT REGISTER NAME IN MODE
LDB T1,CMDPTR ;GET BREAK CHARACTER
CAIE T1,")"
JRST ILLCHR
GETOP6: CALL GETCHR ;GET NEXT CHARACTER
IDPB T1,CMDPTR
CAIN T1,"+" ;WAS THAT AUTO INCREMENT ?
JRST [TLON AC1,20 ;ALREADY SEEN "+"
TLNE AC1,40
JRST ILLCHR
JRST GETOP6 ]
TLNN AC1,70
TLO AC1,10
GETOP8: MOVEM T1,LSTIAD ;LAST ADDRESS INPUT
GETOP9: MOVE T1,AC1 ;PUT RESULT IN RIGHT REG
RET SKIP,GETOPR
;HERE TO GET A REGISTER ARGUMENT
GETREG: CALL GETEXP ;GET REGISTER NAME
JRST ILLCHR
TXNN FLG,F.SREG
JRST ILLCHR
MOVE T1,EXPRESS
HRLI T1,400000
MOVEM T1,LSTIAD ;LAST ADDRESS INPUT
RET ,GETREG
;HERE TO GET AN EXPRESSION
; CALL GETEXP
; LOSE RETURN
; WIN RETURN EXPRESSION IN T1, AND FLAGS SET
GETEXP: SETZM EXPRES ;ACCUMULATED EXPRESSION
GTEXP1: TXZ FLG,F..ESC!F..SIM!F.GEXP!F.SYML!F.SYMB!F.TEXT!F.IOCT!F.IDEC!F.IHEX!F.SREG!F.FELE
GTEXP3: SETZM INPOPR ;CLEAR INPUT OPERATOR
SETZM REMAIN ;REMAINDER OF LAST DIVISION
SETZM OCTIN#
SETZM DECIN#
SETZM HEXIN#
SETZM SYMBOL
MOVE T1,[POINT 6,SYMBOL]
MOVEM T1,SYMPTR
GTEXP2: CALL GETCHR ;GET FIRST CHARACTER
CAIN T1," " ;WAS IT A BLANK ?
JRST GTEXP2 ;YES SO FLUSH IT
CAIA
LOOP: CALL GETCHR ;GET A COMMAND CHAR
IDPB T1,CMDPTR ;REMEMBER CHAR IN CASE NEED TO RESCAN
LOOP1: HRRZ T2,T1
LSH T2,-1
TRNE T1,1 ;note the t2 must have the char/2
SKIPA T2,@STATE ; because state has that set up as an
HLRZ T2,@STATE ; index.
JRST (T2) ;DISPATCH ON CHARACTER
;HERE WHEN ASSEMBLING NUMBER AND FIND A PERIOD
ASSPER: TXNN FLG,F.IDEC!F.IOCT
JRST ASSYMB
TXO FLG,F.IDEC
TXZ FLG,F.IOCT!F.IHEX
JRST ASYMB2
;HERE WHEN NUMBER MUST BE DECIMAL
ASSDEC: TXO FLG,F.IDEC
TXZ FLG,F.IOCT
;HERE WHEN ASSEMBLING A OCTAL, DECIMAL OR HEX NUMBER
ASSNUM: TXNE FLG,F.SYMB ; ARE WE READING A SYMBOL WITH A DIGIT?
JRST ASSYMB ; YES, FORGET THIS NUMBER STUFF...
TXNN FLG,F.IDEC!F.IHEX
TXO FLG,F.IOCT
MOVE T2,OCTIN
LSH T2,3
ADDI T2,-60(T1)
MOVEM T2,OCTIN
MOVE T2,DECIN
IMULI T2,^D10
ADDI T2,-60(T1)
MOVEM T2,DECIN
MOVE T2,HEXIN
LSH T2,4
ADDI T2,-60(T1)
MOVEM T2,HEXIN
JRST ASYMB2
;HERE WHEN ENCOUNTER A PERCENT SIGN - POSSIBLE TAG OR REG NAME
ASSPRC: TXNN FLG,F.FELE ;HAVE WE DONE FIRST ELEMENT OF EXPRESSION ?
MOVE T2,SYMPTR ;GET POINTER TO SYMBOL
CAME T2,[POINT 6,SYMBOL] ;STARTED SYMBOL YET ?
JRST ACCUM ;CAN'T HAVE THIS IN MIDDLE !
;HERE WHEN ASSEMBLING A SYMBOL
ASSYMB: TXO FLG,F.SYMB
TXZ FLG,F.IDEC!F.IOCT!F.IHEX
ASYMB2: TXO FLG,F.GEXP ;GOT SOMETHING
CAIL T1,40+"A" ;CHECK FOR LOWER CASE
CAILE T1,40+"Z"
SUBI T1,40 ;CONVERT CHAR TO SIXBIT
MOVE T2,SYMPTR ;GET POINTER TO SYMBOL
CAME T2,[POINT 6,SYMBOL,35]
IDPB T1,SYMPTR ;ADD CHAR TO SYMBOL
JRST LOOP
;HERE IF END EXPRESSION WITH A SPACE
EXPSPC: TXNN FLG,F.FELE ;IS THIS FIRST ELEMENT OF EXPRESSION ?
TXNN FLG,F.SYMB ;EVALUATING A SYMBOL ?
JRST EXPLUS ;AFTER FIRST SUBEXPRESSION SAME AS PLUS
CALL EVLSYM ;FIND WHAT SYMBOL IS
RET ,EXPSPC
TLNN SYM,SMF.IN ;WAS THAT AN INSTRUCTION
JRST EXPLUS ;NO SO SAME AS PLUS
MOVE T1,1(SYM) ;GET VALUE
HRRZM T1,EXPRESS
RET SKIP,EXPSPC
EXPLUS: TDZA T1,T1 ;CODE FOR NEXT TIME IS 0
EXPMIN: MOVEI T1,1
JRST EXP.DO
EXPMUL: SKIPA T1,[2]
EXPDIV: MOVEI T1,3
JRST EXP.DO
EXPIOR: SKIPA T1,[4]
EXPAND: MOVEI T1,5
JRST EXP.DO
EXPXOR: MOVEI T1,6
EXP.DO: TXO FLG,F.FELE ;HAVE SEEN FIRST ELEMENT
MOVE T2,PRECED(T1) ;GET PRECEDENCE OF NEW OPERATOR
MOVE T3,INPOPR ;PREVIOUS OPERATOR
MOVE T3,PRECED(T3) ;GET PRECEDENCE OF OLD OPERATOR
CAMG T2,T3
JRST EXPDO5
PUSH P,EXPRESS ;SAVE PARTIAL EXPRESSION SO FAR
PUSH P,INPOPR ;AND PREVIOUS OPERATOR
SETZM EXPRESS ;INITIALIZE EXPRESSION
SETZM INPOPR
CALL EXPDO5 ;DO NEXT PART OF EXPRESSION
SOS -2(P) ;UNSKIP RETURN FROM ACCUM3
POP P,INPOPR ;PREVIOUS OPERATION
MOVE T2,EXPRESS ;LATEST ACCUMULATION
POP P,EXPRESS ;PREVIOUS ACCUMULATION
JRST ACCUM3
EXPDO5: PUSH P,T1 ;SAVE CODE FOR NEXT TIME
CALL ACCUM ;ACCUMULATE EXPRESSION
JRST [POP P,T1
RET ,EXP.DO]
POP P,INPOPR ;NEXT INPUT OPERATION
JRST LOOP ;THEN DONE
;HERE WHEN USER TYPES A <CONTROL F> - FILL FIELD
CNTRLF: SKIPN T1,SYMBOL ;ARE WE BUILDING A SYMBOL ?
JRST ILLCHR ;DING HIM
MOVEI T1,[BYTE (7)10,40,10,10,40,10,0] ;BACKUP OVER ^F
MOVE T2,TTYBIT ;GET TTY BITS
TXNE T2,TF.RUB ;VIDEO TERMINAL ?
CALL TYPSTR ;YES SO CLEAN SCREEN
PUSH P,T4
PUSH P,T5
SETOM T5 ;ESTABLISH COUNTER
SETZM T4 ;ESTABLISH MATCH
CALL MATCH ;TRY TO FIND PARTIAL MATCH
JUMPE SYM,CNTLF5
AOSN T5
MOVE T4,(SYM) ;GET MATCH
MOVE T1,(SYM) ;GET NEW MATCH
SKIPA T2,[EXP -1] ;BUILD MASK
CNTLF3: LSH T2,6 ;SHRINK MASK
AND T1,T2 ;MASK NEW MATCH
AND T4,T2 ;MASK PREVIOUS MATCH
CAME T1,T4 ;MATCH LAST MATCH ?
JRST CNTLF3
RET ,CNTRLF
CNTLF5: JUMPE T4,CNTLF8 ;CHECK FOR NO MATCHES
XOR T4,SYMBOL ;LEAVE ONLY NEW CHARS
JUMPE T4,CNTLF7
CNTLF2: LSH T4,6
TLNN T4,770000 ;SHIFTED FAR ENOUGH ?
JRST CNTLF2
CNTLF6: SETZ T3,
LSHC T3,6
MOVEI T1,40(T3)
IDPB T1,CMDPTR
CALL TYPCHR
JUMPN T4,CNTLF6
CNTLF7: JUMPE T5,CNTLF9 ;NO BELL IF ONLY ONE MATCH
CNTLF8: MOVEI T1,7
CALL TYPCHR
CNTLF9: POP P,T5
POP P,T4
MOVE T1,[POINT 7,CMDLIN]
MOVEM T1,CMDTKR ;RESCAN THE LINE
MOVE T1,CMDPTR
MOVEM T1,CMDLIM
JRST LEVEL2
;ROUTINE TO COMBINE ELEMENTS OF EXPRESSION, MAY BE SUBR OR EXIT FROM GETEXP
ACCUM: LDB T1,CMDPTR ;THE BREAK CHAR WHICH GOT US HERE
CAIE T1,"(" ;WE ARE LOOKING FOR -(
JRST ACCUM2 ;DEFINATELY NOT
CALL RSCAN ;GET POINTER TO PREVIOUS CHAR
LDB T1,T2 ;GET PREVIOUS CHAR
CAIE T1,"-" ;WAS THIS AUTO DECREMENT ?
JRST ACCUM2 ;NO
MOVE T1,CMDPTR ;LIMIT
SKIPN CMDTKR ;ALREADY DOING A RESCAN ?
MOVEM T1,CMDLIM ;DOING ONE NOW
MOVEM T2,CMDTKR
MOVEM T2,CMDPTR
JRST ACCUM8
ACCUM2: SETZ T2, ;IN CASE FOLLOWING DOESN'T SET UP T2
TXZE FLG,F.SYMB
JRST [CALL EVLSYM
RET ,ACCUM
MOVEM T1,T2 ;PUT IN RIGHT REG
JRST ACCUM3 ]
TXZE FLG,F.IOCT
MOVE T2,OCTIN
TXZE FLG,F.IDEC
MOVE T2,DECIN
TXZE FLG,F.IHEX
MOVE T2,HEXIN
ACCUM3: MOVE T1,EXPRES ;GET EXPRESSION SO FAR
MOVE T3,INPOPR ;GET INPUT OPERATOR
XCT [ ADD T1,T2
SUB T1,T2
IMUL T1,T2
IDIV T1,T2
IOR T1,T2
AND T1,T2
XOR T1,T2 ](T3)
CAIE T3,3 ;DID WE JUST DO A DIVISION ?
SETZ T2, ;NO SO NO REMAINDER
MOVEM T1,EXPRESS ;SAVE ACCUMULATED EXPRESSION
MOVEM T2,REMAIN ;SAVE NEW REMAINDER
ACCUM8: MOVEI T1,177777 ;MASK FOR 16 BITS
SKIPE F.MCB
MOVEI T1,777777 ;YES, MASK FOR 18 BITS
ANDB T1,EXPRESS ;MASK OFF HIGH BITS
SETZM OCTIN
SETZM DECIN
SETZM HEXIN
SETZM SYMBOL
MOVE T2,[POINT 6,SYMBOL]
MOVEM T2,SYMPTR
RET SKIP,ACCUM
;HERE IF USER TYPES A CONTROL R
CNTRLR: CALL RSCAN
MOVEM T2,CMDPTR ;SAVE PUTTER WITHOUT CONTROL R
CALL CNTLR3
JRST LOOP
;HERE TO RETYPE COMMAND
CNTLR3: CALL CRLTYP ;TYPE A <CR><LF> TO BEGIN
MOVE T2,[POINT 7,CMDLIN] ;GET POINTER TO COMMAND LINE
CAMN T2,CMDPTR ;IS LINE EMPTY ?
JRST CRLTYP ;EXTRA FLOURISH TO END
CNTLR4: ILDB T1,T2 ;GET NEXT CHAR TO ECHO
CAIN T1,33 ;IS CHAR AN ALTOMODE ?
MOVEI T1,"$" ;YES SO SPECIAL ECHO
CALL TYPCHR ;ECHO THE CHAR
CAME T2,CMDPTR ;TYPED ENOUGH YET ?
JRST CNTLR4 ;LOOP BACK FOR REST OF CHARS
RET ,CNTRLR
;HERE TO BACKUP COMMAND POINTER
; CALL RSCAN
; RETURN WITH T2 CONTAINING POINTER TO PREVIOUS CHAR
; T1 CONTAINS POINTER TO PREVIOUS-2 CHAR
RSCAN: SETZB T1,T2
MOVE T3,[POINT 7,CMDLIN]
RSCAN2: CAMN T3,CMDPTR ;HIT END YET ?
RET ,RSCAN
MOVE T1,T2
MOVE T2,T3
IBP T3
JRST RSCAN2
;HERE WHEN USER TYPES A RUBOUT
COMRUB: CALL RSCAN ;BACK UP POINTER
JUMPE T1,CNTRLU ;IF NOTHING IS SAME AS ^U
MOVEM T1,CMDLIM
MOVEM T1,CMDPTR ;IN CASE CALL CNTLR3
MOVE T1,[POINT 7,CMDLIN]
MOVEM T1,CMDTKR ;RESCAN THE COMMAND
MOVE T1,TTYBIT ;GET TTY DESCRIPTION WORD
TXNN T1,TF.RUB ;IS THIS A VIDEO TERMINAL ?
JRST CMRUB3 ;GO DO "\X" TYPE ECHO
LDB T1,T2 ;GET CHAR JUST RUBBED OUT
CAIN T1,33 ;IS IT AN ALTMODE ?
MOVEI T1,"$"
CAIGE T1," " ;BE SURE USUAL PRINTING CHAR
JRST [ CALL CNTLR3 ;ECHO COMMAND
JRST CMRUB8 ]
MOVEI T1,[BYTE (7)10,40,10,0]
CALL TYPSTR
JRST CMRUB8
CMRUB3: MOVEI T1,"\"
CALL TYPCHR
LDB T1,T2
CAIN T1,33 ;WAS THIS AN ALTMODE ?
MOVEI T1,"$"
CALL TYPCHR ;ECHO CHAR JUST RUBBED OUT
CMRUB8:
CMRUB9: MOVE T1,[ESCSAV,,BYTCNT] ;RESTORE THINGS SET WITH
BLT T1,BYTCNT+2 ; ESCAPE COMMANDS
JRST LEVEL2
;HERE WHEN USER TYPES A CONTROL U
CNTRLU: MOVEI T1,[BYTE (7)7,"x","x","x",11,0]
CALL TYPSTR
JRST CMRUB9
;HERE WHEN USER TYPES A CONTROL W - DELETE FIELD FROM TYPEIN
CNTRLW: CALL RSCAN ;BACKUP POINTER
JUMPE T1,CNTRLU ;IF NOTHING SAME AS ^U
SKIPA T2,T1
CNTLW1: CALL RSCAN
MOVEM T2,CMDLIM
MOVEM T2,CMDPTR
MOVE T1,[POINT 7,CMDLIN]
MOVEM T1,CMDTKR
JUMPE T1,CNTRLU ;IF NOTHING IS SAME AS ^U
LDB T2,CMDPTR ;GET LAST CHAR
CAIN T2,"."
JRST CNTLW1 ;KEEP BACKING UP
CAIL T2,"0"
CAILE T2,"Z"+40
JRST CNTLW9
CAILE T2,"9"
CAIL T2,"A"+40
JRST CNTLW1 ;KEEP BACKING
CAIL T2,"A"
CAILE T2,"Z"
JRST CNTLW9
JRST CNTLW1
CNTLW9: CALL CNTLR3 ;RETYPE THE LINE
JRST LEVEL2 ;THEN REDO IT
;HERE WHEN COMMAND STARTS WITH A QUOTE
QUOTE: TXNE FLG,F.GEXP ;DID ANYTHING PRECEDE THE " ?
JRST ILLCHR ;BOUNCE REQUEST
MOVE STATE,[STATEQ(T2)] ; PASS ADDRESS OF NEW STATE TABLE
; but include t2 as the index register
MOVEI T2,QUOTEB ;NEXT CHAR IS THE BREAK CHAR
CALL QUOTET ;SET UP TABLE
MOVEI T1,DAT.AS ;REMEMBER WE ARE WORKING ON AN ASCII STRING
MOVEM T1,TYPDAT ;SO WE CAN DO GOOD THINGS LATER
JRST LOOP
;HERE WHEN GET BREAK CHARACTER AFTER QUOTE
QUOTEB: TXO FLG,F.TEXT ;NOW DOING TEXT
MOVEI T2,QUOTEC ;MOST CHARACTERS NOW ARE TEXT
CALL QUOTET ;SETUP DISPATCH TABLE
ROT T1,-1 ;DIVIDE BREAK CHAR BY 2
ADDI T1,(STATE) ;POINT TO STATE TABLE
MOVEI T2,QUOTEE ;WHEN GET ANOTHER BREAK ARE DONE
HRRM T2,(T1)
SKIPL T1 ;WAS CHAR EVEN ?
MOVSS @T1 ;YES SO DISPATCH FROM LEFT OF WORD
JRST LOOP
;HERE WHEN GET ANOTHER TEXT CHAR
QUOTEC: ANDI T1,177 ;STRIP PARITY
IDPB T1,DAT ;PUT INTO DATA AREA
SKIPL T1,DTFINP ;ALREADY SETUP DTFINP ?
SKIPA T1,DOT ;NO SO USE DOT
AOS T1 ;ADVANCE IT
MOVEM T1,DTFINP
JRST LOOP ;GO GET NEXT CHAR
;HERE WHEN GET TERMINAL BREAK
QUOTEE: TXZ FLG,F.TEXT ;NO LONGER DOING TEXT
HRRI STATE,STATE0
JRST LEVEL3
;HERE TO SETUP DISPATCH TABLE
QUOTET: HRLI T2,(T2)
MOVEM T2,(STATE)
HRLI T2,(STATE) ;BUILD BLT POINTER
HRRI T2,1(STATE) ;FINISH POINTER
BLT T2,77(STATE)
MOVEI T2,CNTRLR ;DISPATCH FOR CONTROL R
HRLM T2,11(STATE)
MOVEI T2,CNTRLU ;DISPATCH FOR CONTROL U
HRRM T2,12(STATE)
MOVEI T2,CNTRLW ;DISPATCH FOR CONTROL W
HRRM T2,13(STATE)
MOVEI T2,CNTRLZ ;DISPATCH FOR CONTROL Z
HRLM T2,15(STATE)
MOVEI T2,COMRUB ;DISPATCH FOR RUBOUT
HRRM T2,77(STATE)
RET ,QUOTET
;HERE WHEN USER TYPES A CR COMMAND
COM.CR: CALL STEFIN ;DO DEPOSIT MAYBE
TXZN FLG,F..ESC ;WAS THIS AN <ESCAPE><CR> ?
JRST LEVEL0 ;NO SO CLEAN UP THEN GET MORE CHARS
CALL DOTSWP ;LOAD ALTERNATE DOT
CALL COMLF1 ;DISPLAY NEW DOT
JRST LEVEL0
;HERE WHEN USER TYPES A BACK SLASH
BKSLSH: CALL B3.TYP
PUSH P,DOT
PUSH P,DOTFOO
MOVE DOT,LSTIAD
CALL DATYPE
POP P,DOTFOO
POP P,DOT
JRST LEVEL2
;HERE WHEN USER TYPES IN AN ILLEGAL CHARACTER
ILLCHR: MOVEI T1,[BYTE (7)"?",7,11,0]
IFN DEBUG,<
SKIPE F.DEBU ; FUNNY MESSAGE IF ASKED FOR.
MOVEI T1,[ASCIZ /
%DDT11-W-QDT, Question mark - Dink - Tab.
/]
>
ILLCH0: CALL TYPSTR
TXO FLG,F.CERR ;IN CASE THIS IS A COMMAND FILE
MOVE T1,[ESCSAV,,BYTCNT] ;RESTORE THINGS SET BY ESCAPE
BLT T1,BYTCNT+2 ; COMMANDS
JRST LEVEL2
;HERE WHEN THE USER TYPES A TAB COMMAND
COM.HT: CALL STEFIN ;DO DEPOSIT MAYBE
CALL CRLTYP ;TYPE A CR/LF
CALL DOTSAV ;SAVE CURRENT DOT, DOTFOO, FOR LATER
MOVE DOT,LSTADR ;LAST ADDRESS TYPED IN OR OUT
CALL COMLF1
JRST LEVEL2
;HERE TO SAVE CURRENT DOT, DOTFOO FOR LATER $/ ETC.
DOTSAV: MOVEM DOT,DOTOLD ;SAVE DOT
MOVE T1,DOTFOO ;GET DOTFOO
MOVEM T1,DTFOLD ;SAVE IT ALSO
RET ,DOTSAV
;HERE TO SET DOTFOO TO NEXT VALUE
NDTFOO: PUSH P,T2
HRRM T2,O.MODE
CAIN T2,3
JRST NXT.0
POP P,T2
MOVE T1,DOTFOO ;CURRENT DOTFOO
CALL DOTINC
MOVEM T1,DOTFOO
RET ,NDTFOO
NXT.0: POP P,T2
RET ,NDTFOO
;HERE TO SET DTFINP TO NEXT VALUE
NDTFIN: MOVE T1,DTFINP ;GET CURRENT DTFINP
CALL DOTINC ;INCREMENT IT
MOVEM T1,DTFINP ;RESTORE NEW DTFINP
RET ,NDTFIN
;HERE TO GET THE NEXT VALUE FOR DOT
NXTDOT: MOVE T1,DOT
CALL DOTINC
MOVEM T1,DOT
RET ,NXTDOT
;GET NEXT VALUE FOR LOCATION POINTER
; CALL: MOVE T1,<CURRENT VALUE>
; CALL DOTINC
DOTINC: SKIPL T1 ;DID IT GET LOADED ?
JRST [SKIPL T1,DOT ;START WITH DOT
TXO T1,DOT.FG
RET ,DOTINC ]
SKIPE PDP8F ;OR A PDP8 ?
AOJA T1,[TRZ T1,700000 ;15 BIT ADR
RET ,DOTINC ]
TXNN T1,DOT.AC ;WAS THIS A REGISTER ADDRESS ?
JRST [AOS T1 ;INCREMENT BY 1 FOR REGISTERS
TRZ T1,777770 ;STRIP EXTRA BITS
RET ,DOTINC ]
PUSH P,T2
HRRZ T2,O.MODE ; BYTE MODE?
CAIN T2,3 ;
JRST DOT.0 ; YES
POP P,T2
ADDI T1,2
TRZ T1,1
SKIPN F.MCB
TRZ T1,600001
RET ,DOTINC
DOT.0: HRRZ T2,BYTCNT ; ADD BYTE COUNT
ADD T1,T2
SKIPN F.MCB ; MCB?
TRZ T1,600000 ; MASK TO 16-BITS
POP P,T2 ; RESTORE T2
RET ,DOTINC
;HERE IF END EXPRESSION WITH AN LEFT ANGLE BRACKET
LFTANG: CALL ACCUM ;FINISH EXPRESSION
RET ,LFTANG
HRROM T1,LFTSAV ;SAVE IT
JRST GETEXP
;HERE WHEN THE USER TYPES A LINE FEED COMMAND
COM.LF: CALL STEFIN ;DO DEPOSIT MAYBE
TXZE FLG,F..ESC ;WAS <LF> PRECEDED BY AN <ESCAPE> ?
CALL DOTSWP ;YES SO SPECIAL HANDLING
MOVEI T1,15 ;CARRIAGE RETURN
CALL TYPCHR
MOVE T1,DOTFOO
SETZM DOTFOO ;DONE WITH IT NOW
CALL DOTINC
MOVEM T1,DOT
CALL COMLF1
JRST LEVEL2
COMLF1: TXO FLG,F.LOPN ;FLAG LOCATION IS OPEN
COMLF2: MOVE T1,DOT
CALL ADRTYP ;TYPE ADDRESS
MOVEI T1,"/"
TXNE FLG,F.LBKT ;FOLLOWING A LEFT BRACKET ?
MOVEI T1,"[" ;YES SO DECLARE IT
CALL TYPCHR
COMLF3: HRRZ T1,DOT
CAMGE T1,CACHEL ;IS THIS ALREADY IN CACHE ?
SETZM CACHEL ;YES SO FLUSH CACHE
COMLF4: CALL B3.TYP ;TYPE 3 SPACES
TXO FLG,F.CACH ;USE CACHE AFTER 1ST WORD
TXNN FLG,F.LBKT ;DOING LFT BRACKET STUFF ?
PJRST DATYPE
MOVEI T1,2 ;NUMERIC STYLE
MOVEI T5,1 ;ONE WORD
PJRST RETYPE
;HERE WHEN USER TYPES A BACK ARROW
BARROW: CAMN T4,DAT ;FOLLOWING TYPEIN ?
JRST BARRW5 ;NO
BARRW3: ILDB T1,T4 ;GET LOW ORDER BYTE
SETZ T2, ;IN CASE ODD NUMBER OF BYTES
CAME T4,DAT
ILDB T2,T4 ;GET HIGH ORDER BYTE
DPB T2,[POINT 8,T1,27]
SKIPN F.MCB
JRST BARRW4
SETZ T2,
CAME T4,DAT
ILDB T2,T4
DPB T2,[POINT 8,T1,19]
BARRW4: CALL ADRTYP ;DISPLAY AS AN ADDRESS
CAME T4,DAT ;DONE ALL YET ?
JRST [CALL COMTYP
JRST BARRW3 ] ;LOOP BACK FOR REST
CALL B3.TYP
JRST LEVEL2
BARRW5: TXNN FLG,F.LOPN ;IS LOCATION OPEN ?
JRST ILLCHR ;NO SO BOUNCE COMMAND
MOVEI T1,0 ;OUTPUT AS INSTRUCTION
MOVEI T5,2 ;WANT ONLY 1 WORD
CALL RETYPE ;NO RETYPE STUFF
JRST LEVEL2
;HERE WHEN USER TYPES A SEMICOLON
SEMICL: CAMN T4,DAT ;FOLLOWING TYPEIN ?
JRST SMICL5 ;NO
JRST LEVEL2
SMICL5: TXNN FLG,F.LOPN ;IS LOCATION OPEN ?
JRST ILLCHR ;IF NOT CAN'T HANDLE
HRRZ T1,O.MODE ;SET RIGHT MODE
HRRZ T5,BYTCNT
CALL RETYPE
JRST LEVEL2
RETYPE: PUSH P,O.MODE ;SAVE OUTPUT MODE
HRRM T1,O.MODE
PUSH P,BYTCNT
HRRM T5,BYTCNT
SETZM DOTFOO
TXO FLG,F.CACH ;USE CACHE IF POSSIBLE
CALL DATYPE ;TYPE DATA
POP P,BYTCNT
POP P,O.MODE ;RESTORE OUTPUT MODE
RET ,RETYPE
;HERE WHEN USER TYPES =
EQUALS: CAMN T4,DAT ;FOLLOWING TYPEIN ?
JRST EQUAL5 ;NO
TXNE FLG,F.SYML ;DID TYPEIN INCLUDE A SYMBOL ?
TLNN SYM,SMF.RG ;WAS THAT A REGISTER NAME ?
CAIA
CALL PCNTYP ;TYPE A %
EQUAL2: ILDB T1,T4
SETZ T2,
CAME T4,DAT
ILDB T2,T4
DPB T2,[POINT 8,T1,27]
SKIPN F.MCB
JRST EQUAL3
SETZ T2,
CAME T4,DAT
ILDB T2,T4
DPB T2,[POINT 8,T1,19]
EQUAL3: MOVEM T1,LSTADR ;LAST OUTPUT ADDRESS
MOVEM T1,ESC.Q. ;IN CASE OF <ESCAPE>Q
CALL RADTYP
CAMN T4,DAT
JRST [CALL B3.TYP ;TYPE 3 SPACES
JRST LEVEL2 ]
CALL COMTYP
JRST EQUAL2
;HERE TO RETYPE PREVIOUSLY OUTPUT DATA IN CURRENT RADIX
EQUAL5: TXNN FLG,F.LOPN ;IS LOCATION OPEN ?
JRST ILLCHR ;NO SO ILLEGAL
MOVEI T1,2 ;OUTPUT AS NUMERIC
SKIPN T5,DOTFOO
HRRZ T5,DOT
SUBI T5,-2(DOT)
ANDI T5,777777 ;HALF WORD ONLY
LSH T5,-1
CALL RETYPE
JRST LEVEL2
;NHERE WHEN USER TYPES [ AT END OF A NUMBER
OPLBKT: TXOA FLG,F.LBKT ;REMEMBER HOW WE OPENED
;HERE WHEN USER TYPES / AT END OF A NUMBER
OPNLOC: TXZ FLG,F.LBKT
TXZE FLG,F..ESC ;ESCAPE /?
TXO FLG,F.NOUT ;YES, SUPPRESS ALL OUTPUT UNTIL NEXT INPUT
TXZN FLG,F.MASK ;ASKING ABOUT THE MASK ?
JRST OPNLC4 ;LOOKING AT 11
TXO FLG,F.MOPN ;MASK NOW OPEN
CALL B3.TYP ;TYPE 3 SPACES
MOVEI T3,S.MASK-1 ;MAKE A POINTER TO THE MASK
SKIPN T2,ESCOCT ;DID WE GET A NUMBER WITH THE COMMAND ?
MOVEI T2,1 ;DEFAULTS TO 1
CAIL T2,MASKSZ ;ASKING FOR TOO MUCH ?
MOVEI T2,MASKSZ ;YES SO GIVE LIMIT
CAIA
OPNLC2: CALL BLANKT
AOS T3
MOVE T1,(T3)
MOVEM T1,LSTADR ;IN CASE OF HT COMMAND
MOVEM T1,ESC.Q. ;IN CASE USES <ESCAPE>Q
CALL RADTYP ;DISPLAY IT
SOJG T2,OPNLC2
CALL TABTYP
JRST LEVEL2
;HERE BECAUSE REALLY OPENING A LOCATION
OPNLC4: CALL DOTSAV ;SAVE DOT FOR AN ESCAPE LF COMMAND
HRRO DOT,EXPRESS
TXNE FLG,F.SYML ;WAS SYM LOADED ?
TLNN SYM,SMF.RG
CAIA
TLZ DOT,377777
SETZM DOTFOO
TXO FLG,F.LOPN ;FLAG LOCATION IS OPEN
CALL COMLF3
JRST LEVEL2
;HERE WHEN USER TYPES AN UP ARROW
UARROW: CALL STEFIN
TXZE FLG,F..ESC ;WAS <LF> PRECEDED BY AN <ESCAPE> ?
CALL DOTSWP ;YES SO SPECIAL HANDLING
CALL CRLTYP
SETZM DOTFOO
TXNN DOT,DOT.OK ;WAS ADR SET ?
TXO DOT,DOT.FG
MOVEI T1,-1 ;IN CASE REGISTER MODE
TXNN DOT,DOT.AC ;REG OR MEM ?
JRST COMAR0 ;REG - GO DO IT
MOVNI T1,2 ;IN CASE "[" MODE
TXNE FLG,F.LBKT ;IS IT
JRST COMAR0 ;YES
MOVN T1,BYTCNT ;NUMBER OF BYTES
SKIPE PDP8F
JRST COMAR0
HRRZ T2,O.MODE ;GET OUTPUT MODE
JUMPE T2,COMAR2 ;SYMBOLIC ?
CAIN T2,1 ; OR ADDRESS ?
ASH T1,1 ;CONVERT WORD COUNT TO BYTES
CAIN T2,2 ;OR NUMERIC
ASH T1,1 ;CONVERT WORD COUNT TO BYTES
COMAR0: ADD T1,DOT
TXNN DOT,DOT.AC ;WAS THIS A REGISTER ?
ANDI T1,7 ;IN CASE WRAPPED AROUND
SKIPE PDP8F ;IS THIS A PDP8 ADDRESS ?
TRZA T1,700000
ANDI T1,-1
SKIPN F.MCB
ANDI T1,177777
HRRM T1,DOT
CALL COMLF1 ;REST LIKE A LINE FEED COMMAND
JRST LEVEL2
COMAR2: TRZ DOT,1
SKIPN F.MCB
TRZ DOT,600001 ;INSTRUCTIONS BEGIN ON WORD BOUNDRY
TXZ FLG,F.CACH ;DON'T USE CACHE
MOVEI T4,1 ;TRY ONE WORD INSTRUCTION FIRST
COMAR3: MOVE T2,T4 ;NUMBER OF WORDS TO LOOK FOR
ASH T2,1 ;TIMES 2 FOR BYTES
MOVEI T1,(DOT) ;CURRENT ADR
SUBI T1,(T2) ;BACK UP CURRENT ADR
CALL CNINWD ;COUNT WORDS IN INSTRUCTION AT ADR
JRST COMAR8 ;NOT AN INSTRUCTION
CAIE T4,(T1) ;IS THAT WHAT WE WANTED ?
JRST COMAR8 ;NO
SUBI DOT,(T4)
SUBI DOT,(T4)
CALL COMLF1 ;PRINT INSTRUCTION
JRST LEVEL2
COMAR8: AOS T4 ;TRY FOR LARGER INSTRUCTION
CAIE T4,4 ;IS THAT TOO LARGE ?
JRST COMAR3 ;NO
SUBI DOT,2 ;JUST BACK UP ONE WORD
CALL COMLF1
JRST LEVEL2
;HERE TO COUNT WORDS IN AN INSTRUCTION
; CALL MOVE T1,<ADR>
; CALL CNINWD
; ERROR RETURN
; WIN RETURN NUMBER OF WDS IN T1
CNINWD: MOVEI T2,2 ;TRY FOR 2 BYTES
SKIPE PDP8F ;UNLESS PDP8
MOVEI T2,1 ;IS PDP8 SO ONLY ONE WORD
MOVEI T2,2 ;NUMBER OF BYTES TO TRY FOR
CALL GETWRD ;TRY TO GET THE DATA
RET ,CNINWD
CALL INVLFN ;SEE IT THERE IS ANY SUCH INSTRUCTION
RET ,CNINWD
MOVEI T2,1 ;ONE FOR INSTRUCTION
LDB T3,[POINT 6,T1,29] ;GET SS FIELD
TLNE SYM,SMF.SS ;IS THIS SSDD FORMAT ?
CALL CNIWD3 ;YES SOADJUST NUMBER OF WDS IN INSTRUCTION
LDB T3,[POINT 6,T1,35] ;GET DD FIELD
TLNE SYM,SMF.DD!SMF.SS ;IS DD PRESENT ?
CALL CNIWD3 ;YES SO ADJ WORD COUNT
HRRZ T1,T2 ;NUMBER OF WORDS
RET SKIP,CNINWD
CNIWD3: CAIE T3,27 ;IS THIS IMMEDIATE (#FOO)
CAIN T3,37 ;OR ABSOLUTE
AOS T2 ;YES SO ANOTHER WORD IN INSTRUCTION
LDB T3,[POINT 3,T3,32]
CAIE T3,6 ;IS THIS RELATIVE
CAIN T3,7 ;OR RELATIVE DEFERRED ?
AOS T2 ;YES SO ANOTHER WORD
RET ,CNIWD3
;HERE WHEN THE USER TYPE A ^Z
CNTRLZ: TXNE FLG,F.EXEC ; IF WE ARE IN EXEC MODE,
JRST DDT11 ; THEN JUST REPEAT THIS PROGRAM
MONRT. ;BACK TO THE MONITOR WE GO
JRST LEVEL0 ;USER TYPED .CONTINUE
;HERE IF USER ENDS AN EXPRESSION WITH A ">"
SUPLIM: SKIPE T1,LFTSAV
MOVEM T1,SBEGIN ;SET LOWER LIMIT FOR SEARCH
MOVE T1,EXPRESS ;GET EXPRESSION
HRRZM T1,S..END ;SET UPPER LIMIT FOR SEARCH
JRST LEVEL2
;HERE IF USER ENDS SYMBOL WITH A "?"
QUEST.: SKIPN T1,SYMBOL ;WERE WE BUILDING A SYMBOL ?
JRST QUEST1 ; NO, HE MUST WANT THE ENTIRE SYMBOL TABLE
PUSH P,T5
SETO T5, ;COUNT MATCHES
CALL MATCH ;TRY TO FIND A PARTIAL MATCH
JUMPE SYM,QUEST5 ;IN CASE CAN'T FIND ANY MATCHES
CALL CRLTYP ;BEGIN WITH <CR><LF>
MOVEI T1,[ASCIZ \following are partial matches
\]
AOSN T5
CALL TYPSTR
CALL SYMDMP
QUEST4: RET ,QUEST.
QUEST5: MOVEI T1,[ASCIZ \ no partial matches for symbol\]
AOSN T5 ;FIND ANY MATCHES ?
CALL TYPSTR
POP P,T5
CALL CNTLR3 ;RETYPE THE COMMAND
JRST LOOP
QUEST1: MOVE SYM,SYMBEG ;GET A POINTER TO THE CURRENT SYMBOL TABLE
TYPE <following are defined symbols
>
QUEST2: CALL SYMDMP ; DUMP OUT THE USEFULL INFORMATION ABOUT IT
CALL CRLTYP
MOVEI SYM,4(SYM) ; GO TO THE NEXT SYMBOL, PLEASE
CAME SYM,SYMEND ; DONE ?
JRST QUEST2 ; NO, DO MORE WORK
JRST LOOP ; YES, DO MORE REAL WORK
SYMDMP: CALL TABTYP ;AND ADD A <HT>
MOVE T1,(SYM) ;GET SYMBOL NAME
CALL SIXTYP
MOVEI T1,[ASCIZ \ = \]
CALL TYPSTR
TLNE SYM,SMF.RG ;IS THIS A REGISTER DEFINITION ?
CALL PCNTYP ;TYPE A "%"
HRRZ T1,1(SYM) ;GET VALUE OF SYMBOL
CALL RADTYP ;TYPE VALUE IN CURRENT RADIX
MOVEI T1,[ASCIZ \ spd\]
TLNE SYM,SMF.SU ;IS SYMBOL SUPPRESSED ?
CALL TYPSTR ;YES
MOVEI T1,[ASCIZ \ opcode\]
TLNE SYM,SMF.IN ;IS THIS AN OPCODE ?
CALL TYPSTR ;YES
SKIPN 3(SYM) ;WAS THERE A SOURCE ?
JRST QUEST4 ;NO
TYPE < defined in >
MOVE T1,3(SYM) ;GET SOURCE
JRST SIXTYP
;HERE TO TRY TO FIND A PARTIAL MATCH FOR A SYMBOL
; CALL: SKIPN T1,SYMBOL ;WERE WE BUILDING A SYMBOL ?
; JRST ILLCHR ;DON'T CALL MATCH
; CALL MATCH
; RETURN WITH SYM SETUP WITH PARTIAL MATCH
; WITH (SYM) = 0 WHEN FOUND ALL MATCHES
MATCH: CALL RSCAN
MOVEM T2,CMDPTR ;DELETE THE "?" OR <CONTROL F>
SKIPA T3,[770000,,0] ;BUILD MASK TO TEST UNDER
MATCH0: ASH T3,-6 ;ENLARGE THE MASK
MOVE T1,T3 ;COPY SUGGESTED MASK
AND T1,SYMBOL
CAME T1,SYMBOL ;IS MASK LARGE ENOUGH ?
JRST MATCH0 ;NO SO INCREASE SIZE
MOVE SYM,SYMBEG ;POINT TO THE FIRST SYMBOL
MATCH2: MOVE T1,(SYM) ;GET SYMBOL NAME
AND T1,T3 ;MASK OFF
CAME T1,SYMBOL ;DOES THIS MATCH ?
JRST MATCH4 ;NO
HLL SYM,2(SYM) ;GET FLAGS FOR THE SYMBOL
SKIPE PDP8F ;DOING PDP8 SYMBOLS ?
TLC SYM,SMF.P8
TLNE SYM,SMF.P8
JRST MATCH4
HLL SYM,2(SYM) ;SO SMF.P8 RIGHT
CALL @(P)
MATCH4: MOVEI SYM,4(SYM)
CAME SYM,SYMEND ;HIT END ?
JRST MATCH2
SETZ SYM, ;FLAG ALL DONE
RET ,MATCH
;HERE TO DO DEPOSIT MAYBE AFTER CR OR LF OR UP ARROW
STEFIN: MOVE T1,[POINT 8,DATA] ;VIRGIN DATA POINTER
SKIPE PDP8F ;WAS THIS A PDP8 LOOK ?
HRLI T1,(POINT 12)
CAMN T1,DAT ;DID USER TYPE ANYTHING ?
RET ,STEFIN
TXZE FLG,F.MOPN ;IS MASK OPEN ?
JRST SETMSK ;SET MASK
TXZN FLG,F.LOPN ;IS LOCATION OPEN ?
RET ,STEFIN
TXNN FLG,F.WENB ;WAS PATCHING ENABLED ?
JRST WRTLCK ;IS WRITE LOCKED
SKIPL T1,LSTIAD ;LAST ADDRESS GIVE BY USER
MOVE T1,LSTADR
MOVEM T1,LSTADR ;SAVE IT
MOVEM T1,ESC.Q. ;ALSO USE FOR <ESCAPE>Q
SETZM LSTIAD
MOVE T1,DTFINP ;GET NEW DOTFOO
MOVEM T1,DOTFOO ;AND SAVE IT
SETZM DTFINP
MOVEI T1,(DOT) ;WHERE TO PUT DATA
TXNE DOT,DOT.AC ;IS THIS MEMORY OR REGISTER
JRST STEFN5 ;MUST BE MEMORY
SETZM DOTFOO ;SO FIRST CALL WORKS
MOVE T3,[POINT 8,DATA] ;POINTER TO DATA
STEFN3: CALL NDTFOO ;GET NEXT DOTFOO
SETZ T2, ;IN CASE ODD NUMBER OF BYTES
ILDB T1,T3 ;GET LOW ORDER BYTE
CAME T3,DAT ;DONE ALL BYTES ?
ILDB T2,T3 ;GET HIGH ORDER BITS
DPB T2,[POINT 8,T1,27] ;PUT HIGH ORDER WITH LOW ORDER
HRRZ T2,DOTFOO ;GET ADDRESS
CAIN T2,7 ;IS THIS THE PC ?
ANDI T1,177776 ;BE SURE IS EVEN
MOVEM T1,SIMREG(T2) ;STORE DATA
CAME T3,DAT ;WAS THAT END OF DATA ?
JRST STEFN3 ;LOOP BACK FOR REST
RET ,STEFIN
STEFN5: CALL PUTBYT ;PUT DATA INTO 11
NOP
RET ,STEFIN
;HERE IF THERE IS AN ATTEMPT TO WRITE WITHOUT /PATCH
WRTLCK: TYPE <?
?patching was not enabled by /PATCH
>
JRST LEVEL0
;HERE TO SET MASK
SETMSK: SETZ T4, ;INDEX FOR MASK
STMSK1: ILDB T2,T1 ;GET NEXT BYTE
SETZ T3, ;IN CASE DONE
CAME T1,DAT ;DONE EVERYTHING YET ?
ILDB T3,T1
DPB T3,[POINT 8,T2,27]
HRROM T2,LSTADR ;SAVE IN CASE OF HT
MOVEM T2,ESC.Q. ;SAVE IN CASE <ESCAPE>Q
HRRM T2,S.MASK(T4) ;SET MASK
CAME T1,DAT ;ALL DONE YET ?
AOJA T4,STMSK1 ;NOT YET - GO SET REST
RET ,SETMSK
;HERE IF USER TYPES ESCAPE
ESCAPE: CALL ACCUM ;IN CASE ANYTHING ALREADY IN PROGRESS
RET ,ESCAPE
HRRI STATE,STATSC ;SET ESCAPE FLAG
SETZM ESCOCT ;INITIAL OCTAL ARGUMENT
SETZM ESCDEC ;INITIAL DECIMAL ARGUMENT
JRST LOOP
ESCESC: TXO FLG,F..ESC
JRST LOOP
;HERE TO ACCUMULATE NUMBER AFTER ESCAPE
ESC...: TXO FLG,F.IDEC ;NUMBER IS DECIMAL
MOVE T1,ESCDEC ;GET DECIMAL VERSION
MOVEM T1,ESCOCT ;AND FORCE IT DECIMAL
JRST LOOP
ESC..8: TXO FLG,F.IDEC ;NUMBER IS DECIMAL
ESC..0: MOVE T2,ESCOCT
IMULI T2,^D8
ADDI T2,-60(T1) ;ACCUMULATE NUMBER
MOVEM T2,ESCOCT ;SAVE UPDATED NUMBER
MOVE T2,ESCDEC
IMULI T2,^D10
ADDI T2,-60(T1) ;ACCUMULATE NUMBER
MOVEM T2,ESCDEC ;SAVE UPDATED NUMBER
TXNE FLG,F.IDEC ;WANT DECIMAL ARGUMENT ?
MOVEM T2,ESCOCT ;YES SO FORCE IT
JRST LOOP
;HERE WHEN USER TYPES "(" AFTER AN ESCAPE
ESCPAR: SKIPE ESCOCT ;DID USER ALSO TYPE A # ?
JRST ILLCHR ;YES CONFUSED
PUSH P,EXPRES ;SAVE EXPRESSION SO FAR
PUSH P,FLG ;SAVE THE FLAG BITS
HRRI STATE,STATE0 ;PLAIN EXPRESSION EVALUATION
CALL GETEXP ;GET EXPRESSION
JRST [ POP P,T1
POP P,T1
RET ,ESCPAR]
HRRM T1,ESCOCT ;THAT WAS NUMERIC ARGUMENT
POP P,T1 ;GET THE OLD FLAGS
TXNE T1,F..ESC ;DOUBLE ESCAPE?
TXO FLG,F..ESC ;YES, RESET IT
POP P,EXPRESS ;GET OLD EXPRESSION BACK
LDB T1,CMDPTR ;GET BREAK CHARACTER
CAIE T1,")"
JRST ILLCHR
HRRI STATE,STATSC
TXZ FLG,F..SIM!F.GEXP!F.SYML!F.SYMB!F.TEXT!F.IOCT!F.IDEC!F.IHEX!F.SREG!F.FELE
JRST GTEXP3 ;FINISH PARTIAL EXPRESSION
;HERE WHEN A USER TYPES ESCAPE / OR [ OR <LF> OR <CR> OR ^
ESC.SL:
ESC.LF:
ESC.CR:
ESC.UP: HRRI STATE,STATE0 ;FIX DISPATCH TABLE POINTER
TXO FLG,F..ESC ;REMEMBER WE SAW <ESCAPE>
JRST LOOP1 ;THEN EXIT GETEXP
;HERE TO EXCHANGE OLD DOT, DOTFOO, & DOTFLG
DOTSWP: EXCH DOT,DOTOLD ;EXCHANGE NEW AND OLD DOT
MOVE T1,DOTFOO ;GET DOTFOO
EXCH T1,DTFOLD ;EXCHANGE WITH OLD ONE
MOVEM T1,DOTFOO ;AND SET NEW DOTFOO
RET ,DOTSWP
ESCP..: JRST ESC..P ; PUNCH NEW BIN FILE
ESCD..: JRST ESC..D ; DUMP TO DISK
ESCY..: JRST ESC..Y ; READ IN A COMMAND FILE
;HERE FOR <ESCAPE>M - REFERS TO THE MASK
ESC..M: TXO FLG,F.MASK ;MASK REFERENCED
JRST ESCMD8 ;FINISH COMMAND
;HERE FOR ESCAPE K - KILL THE SYMBOL
ESC..K: JUMPE SYM,ILLCHR ;DID A SYMBOL PRECEDE $K ?
CALL B3.TYP ;TYPE 3 SPACES
MOVSI T1,SMF.SU ;FLAG TO SUPRESS OUTPUT
IORM T1,2(SYM) ;SUPRESS SYMBOL
MOVE T1,(SYM) ;GET SYMBOL
TXZE FLG,F..ESC ;DID HE WANT TO FLUSH SYMBOL ?
CALL DELSYM ;YES SO FORGET IT
JRST LEVEL2
ESC..R: TXNN FLG,F.IDEC ;WAS ARGUEMNT DECIMAL
SKIPA T1,ESCOCT ;NO SO USE OCTAL
MOVE T1,ESCDEC
CAIG T1,^D16
CAIG T1,1 ;IS RADIX REASONABLE ?
JRST ILLCHR ;NO SO FLUSH REQUEST
HRRM T1,ORADIX ;YES SET NEW RADIX
TXZN FLG,F..ESC ;SETTING PERMANENT MODE ?
JRST ESCMD8 ;NOT PERMANENT MODE
HRLM T1,ORADIX ;YES
JRST ESCMD7 ;EXIT
ESC..B: SKIPA T1,[MODBYT] ;SET BYTE MODE
ESC..A: MOVEI T1,MODADR ;SETTING ADDRESS MODE
JRST ESCMOD
ESC..S: SKIPA T1,[MODINS] ;SET INSTRUCTION MODE
ESC..C: MOVEI T1,MODNUM ;SETTING NUMERIC MODE
JRST ESCMOD
ESC..F: MOVEI T1,MODR50 ;SETTING RADIX50 MODE
JRST ESCMOD
ESC..I: SKIPA T1,[MODEBC] ;SETTING EBCDIC OUTPUT
ESC..T: MOVEI T1,MODASC ;SETTING ASCII OUTPUT
ESCMD0: MOVE T2,ESCOCT ;GET ARGUMENT
SKIPN T2
MOVEI T2,2 ;DEFAULT IS 2 BYTES
JRST ESCMD2
ESCMOD: MOVE T2,ESCOCT ;GET ARGUMENT
SKIPN T2
MOVEI T2,1 ;DEFAULT IS 1
ESCMD2: HRRM T2,BYTCNT
HRRM T1,O.MODE ;SET CURRENT MODE
TXZ FLG,F.LBKT
TXZN FLG,F..ESC
JRST ESCMD8 ;NOT PERMANENT
HRLS BYTCNT ;LOCAL COUNT IS PERMANT COUNT
HRLM T1,O.MODE ;SET PERMANT MODE
ESCMD7: CALL B3.TYP ;TYPE 3 SPACES
JRST LEVEL2
ESCMD8: HRRI STATE,STATE0 ;RESTORE STATE POINTER
JRST LOOP ;FINISH COMMAND
;HERE IF USER TYPES <ESCAPE>Q
ESC..Q: MOVE T2,SYMPTR ;GET SYMBOL POINTER
CAME T2,[POINT 6,SYMBOL] ;DID THIS HAPPEN AT A REASONABLE TIME ?
JRST ILLCHR ;NO SO DING HIM
TXO FLG,F.SYMB!F.GEXP ;GOT SOMETHING
TXZ FLG,F.IDEC!F.IOCT!F.IHEX
IBP SYMPTR ;SKIP FIRST CHAR
MOVEI T1,' Q'
IDPB T1,SYMPTR ;PUT Q IN SYMBOL
HRRI STATE,STATE0 ;RESTORE STATE
JRST LOOP ;AND PROCEDE
ESC..G: SKIPN T1,EXPRESS ;GET ADDRESS HE TYPED
MOVE T1,GOTO ;OLD VALUE FOR STARTING ADDRESS
ANDI T1,177776 ;ONLY 16 BITS PLEASE
MOVEM T1,GOTO ;REMEMBER IT FOR LATER
SKIPE MEMORY ;ARE DIDDLING DUMP OR BIN FILE ?
JRST ESC.G1 ;START THE SIMULATION
SKIPN NODE.N ;ARE WE DOING STUFF WITH A NODE ?
JRST ILLCHR ;NO SO THIS IS IMPOSSIBLE
TXNN FLG,F.WENB ;WAS PATCHING ENABLED ?
JRST WRTLCK ;CAN'T DO IT
MOVE T1,EXPRESS ;GET ADDRESS HE TYPED
CALL SETUPN ;SETUP NODE UUO
EXP 3 ;CODE FOR GOTO IS 3
CALL NODSET ;GO DO NODE UUO
JRST CALER0 ;FAILED ?!
TABDNE: CALL TABTYP
JRST LEVEL2 ;WE DID IT
ESC.G1: TXNE FLG,F..ESC ;WAS THIS AN $$G ?
JRST TABDNE ;THAT JUST SETS STARTING ADDRESS
CALL SETUPC ;SETUP THE PC FOR EXECUTION
TXO FLG,F.RUNF ;SET RUN FLOP
MOVEI T1,[ASCIZ \
beginning execution @pc = \]
CALL TYPSTR
MOVE T1,SIMREG+PC ;GET PC WE'LL START AT
CALL ADRTYP
CALL CRLTYP
MOVE AC4,INSRUN
SUB AC4,WAITIM
CALL SIMXCT ;RUN THE SIMULATED MACHINE FOR A WHILE
MOVEI T1,[ASCIZ \
PDP-11 halted @pc = \]
CALL TYPSTR
MOVE T1,SIMREG+PC
CALL ADRTYP
TYPE < ps = >
HRRZ T1,PS
CALL OCTYPE
TYPE <
after >
MOVE T1,INSRUN
SUB T1,WAITIM
SUB T1,AC4
MOVE AC4,T1 ;REMEMBER NUMBER OF INSTRUCTIONS EXECUTED
CALL PDECTY ;TYPE AS DECIMAL WITH COMMAS
TYPE < instructions.>
CALL CRLTYP
JRST LEVEL2
;ESCAPE V - WATCH A LOCATION FOR VARIANCE
ESC..V: SKIPE MEMORY
JRST ILLCHR
TXNN FLG,F.LOPN ;IS LOCATION OPEN ?
JRST ILLCHR ;GIVE USER "?"
SETZM CACHE ;SWEEP THE CACHE
TXO FLG,F.FLIP
ESC.V0: MOVEI T1,0 ;MINIMUM SLEEP
SLEEP T1,
HRRZ T1,DOT ;GET ADDRESS TO WATCH
HRRZ T2,BYTCNT ;NUMBER OF BYTES TO DISPLAY
HRRZ T3,O.MODE ;OUTPUT MODE
CAIG T3,2
ASH T2,1 ;WORD MODE SO TIMES 2 BYTES
TXZ FLG,F.CACH
CALL GETWRD ;GET DATA
JRST [CALL CALER0
JRST LEVEL2 ]
MOVE T2,T1 ;COPY DATA
XOR T2,DATA ;COMPARE TO LAST TIME
AND T2,S.MASK ;MASK OFF IRREVELANT BITS
TXZN FLG,F.FLIP
JUMPE T2,ESC.V9 ;BRANCH IF SAME AS BEFORE
PUSH P,T1 ;SAVE NEW DATA
MOVEM T1,DATA ;SAVE NEW DATA
CALL CRLTYP
HRRZ T1,DOT ;GET ADDRESS
CALL ADRTYP
MOVEI T1,"/"
TXNE FLG,F.LBKT
MOVEI T1,"["
CALL TYPCHR
CALL COMLF4
POP P,DATA ;IN CASE DATYPE CHANGED IT
ESC.V9: SKPINC ;HAS USER TYPED A CHARACTER ?
JRST ESC.V0 ;NO SO KEEP WATCHING
TYPE <
<done watching>
>
JRST LEVEL2 ;GO PROCESS NEXT COMMAND
;HERE BECAUSE TYPED $X - EXECUTE AN INSTRUCTION
; REGISTER USAGE
; AC1 ON RETURN FROM SIMXCT WILL CONTAIN PC WE JUST EXECUTED
; AC3 CONTAINS # FROM $#X
; AC4 FOR $$X WILL BE SET UP WITH PC TO STOP ON
ESC..X: SKIPN MEMORY ;DO WE HAVE A PROGRAM TO EXECUTE ?
JRST ILLCHR ;NO SO DING HIM
HRLZ AC3,ESCOCT ;COPY REPETITION COUNT
MOVNS AC3 ;MAKE AN AOBJN POINTER
CALL SETUPC ;SETUP THE PC
MOVE AC4,SIMREG+PC ;GET STARTING PC
MOVE T1,AC4 ;GET STARTING ADDRESS
CALL CNINWD ;COUNT WORDS IN INSTRUCTION
MOVEI T1,1 ;CALL IT A ONE WORD INSTRUCTION
ADD AC4,T1 ;PLUS NUMBER OF WORDS
ADD AC4,T1 ;TWICE TO MAKE BYTE ADR
TXZ FLG,F.RUNF!F.FLIP ;NOT REALLY RUNNING
CALL CRLTYP ;ACKNOWLEDGE WE ARE DOING IT
MOVE T1,[SIMREG,,BEGREG]
BLT T1,BEGREG+7 ;COPY INITIAL REGISTERS
MOVEM PS,BEG.PS ;SAVE INITIAL PS
SETZM CACHEL ;FLUSH CACHE
ESC.X1: CALL SIMXCT ;EXECUTE THE NEXT INSTRUCTION
SKIPE F.HALT ;DID THE -11 HALT?
JRST ESCX73 ;YES
TXNN FLG,F..ESC ;DOING $$X ?
JRST ESC.X7 ;NO
MOVE T1,SIMREG+PC ;GET CURRENT PC
CAIL T1,(AC4) ;RETURN FROM SUBROUTINE ?
CAILE T1,30(AC4) ;IN CASE OF ARGUMENT LIST
CAIA
JRST ESC.X9
SKPINC ;OPERATOR IMPATIENT ?
JRST ESC.X1 ;DO ANOTHER INSTRUCTION
JRST ESC.X9
;HERE AFTER DOING INSTRUCTION FOR $X
ESC.X7: AOBJN AC3,ESC.X1 ;IF WANT MORE DO'EM
CAMN PS,BEG.PS ;DID THE PS CHANGE ?
JRST ESCX73
TXO FLG,F.FLIP ;HAVE TYPED A REGISTER
MOVEI T1,[ASCIZ \PS/ \]
CALL TYPSTR
HRRZ T1,PS
CALL RADTYP
CALL B3.TYP ;TYPE A FEW SPACES
;HERE TO DISPLAY REGISTERS WHICH CHANGED
ESCX73: MOVSI AC4,-7
ESCX74: MOVE T1,SIMREG(AC4)
CAME T1,BEGREG(AC4)
PUSHJ P,[TXO FLG,F.FLIP ;HAVE TYPED A REGISTER
HRRZ DOT,AC4 ;COPY REG ADR
TXZ DOT,<DOT.FG-DOT.OK> ; CLEAR ALL THE FLAGS BUT OK
JRST COMLF1 ]
AOBJN AC4,ESCX74
CAME AC3,[1,,1] ;DID WE EXECUTE ONE INSTRUCTION
JRST ESC.X8 ;MORE THAN ONE SO DON'T TRY TO TYPE OPERANDS
MOVE T1,AC1 ;GET PC WE EXECUTED
HRRO DOT,AC1 ;CURRENT LOCATION
SETZM DOTFOO
MOVEI T2,2 ;WANT TWO BYTES
CALL GETWRD ;TRY TO GET THE INSTRUCTION
JRST ESC.X8 ;CAN'T GET = DONE
AOS BEGREG+PC
AOS BEGREG+PC
MOVEM T1,DATA ;SAVE FOR FUTUTR REFERENCE
CALL INVLFN ;TRY TO FIND SYMBOL
JRST ESC.X8 ;CAN'T FIND = DONE
LDB T1,[POINT 6,DATA,29]
HLL SYM,2(SYM) ;GET FLAGS FOR INSTRUCTION
TLNE SYM,SMF.SS
PUSHJ P,[CAIE T1,27 ;IMMEDIATE ?
JRST ESC.X3 ;PRINT DATA FOR FIRST OPERAND
MOVEI T1,2
ADDM T1,BEGREG+PC ;ADJUST OLD PC FOR THIS
RET ,ESCX74+20 ]
LDB T1,[POINT 6,DATA,35]
TLNE SYM,SMF.DD!SMF.SS
CALL ESC.X3
ESC.X8: TXZE FLG,F.FLIP ;DID WE TYPE ANY REGISTERS ?
CALL CRLTYP ;YES SO FINISH OLD STUFF WITH A FLOURISH
;HERE WHEN $X OR $$X IS FINISHED TO TYPE NEXT INSTRUCTION
ESC.X9: CALL B3.TYP
HRRO DOT,SIMREG+PC ;SET UP DOT TO CALL DATYPE
PUSH P,O.MODE ;SAVE OLD OUTPUT MODE
PUSH P,BYTCNT ;SAVE OLD BYTE COUNT
SETZM O.MODE ;SET INSTRUCTION MODE
MOVEI T1,1
HRRM T1,BYTCNT
CALL COMLF1 ;TYPE OUT INSTRUCTION
POP P,BYTCNT
POP P,O.MODE
JRST LEVEL2
ESC.X3: TRNN T1,70 ;IS THIS REGISTER MODE ?
RET, ESC.X3
LSHC T1,-3 ;LEAVE ONLY MODE IN T1
LSH T2,-^D33 ;RIGHT JUSTIFY REG NUMBER
HRR DOT,BEGREG(T2)
CAIN T1,1 ;WAS THIS REGISTER DEFERRED
JRST ESCX35 ;YES SO WE HAVE ADR NOW
CAIG T1,3 ;IS THIS AUTO INCREMENT ?
JRST [AOS BEGREG(T2)
TLNE SYM,SMF.BY
CAIL T2,6
AOS BEGREG(T2)
JRST ESCX33 ]
CAIG T1,5 ;IS THIS AUTO DECREMENT ?
JRST [SOS BEGREG(T2)
TLNE SYM,SMF.BY
CAIL T2,6
SOS BEGREG(T2)
HRR DOT,BEGREG(T2)
JRST ESCX33]
PUSH P,T1
PUSH P,T2
MOVE T1,BEGREG+PC
MOVEI T2,2 ;WANT TWO BYTES
CALL GETWRD
SETZ T1,
HRRZ DOT,T1
POP P,T2
POP P,T1
AOS BEGREG+PC
AOS BEGREG+PC
ADD DOT,BEGREG(T2)
ESCX33: ANDI DOT,177777 ;STRIP EXTRA BITS
TRNN T1,1 ;IS THIS DEFERRED MODE ?
JRST ESCX35
MOVE T1,DOT ;COPY ADDRESS
MOVEI T2,2
CALL GETWRD
RET ,ESC.X3
HRRZ DOT,T1
ESCX35: TXO FLG,F.FLIP ;REMEMBER WE TYPED DATA
ANDI DOT,177777 ;STRIP EXTRA BITS
HRROS DOT ;FLAG IS MEMORY LOCATION
PUSH P,DATA
PUSH P,SYM ;SAVE POINTER TO SYMBOL FOR INSTRUCTION
PUSH P,O.MODE ;SAVE OUTPUT MODE
PUSH P,BYTCNT ;AND SAVE OUTPUT COUNT
HRRZ T1,O.MODE ;GET OUTPUT MODE
SKIPN T1
MOVEI T1,1 ;USE ADDRESS INSTEAD OF INSTRUCTION
MOVEI T2,2 ;ASSUME TWO BYTES OF OUTPUT
CAIG T1,2 ;WORD MODE OUTPUT ?
MOVEI T2,1 ;ONLY ONE WORD
TLNE SYM,SMF.BY ;BYTE MODE INSTRUCTION ?
JRST [CAIG T1,2 ;ALREADY BYTE MODE OUTPUT ?
MOVEI T1,3 ;SET BYTE MODE OUTPUT
MOVEI T2,1 ;ONLY ONE BYTE OF OUTPUT
JRST .+1 ]
MOVEM T1,O.MODE ;SET NEW OUTPUT MODE
HRRM T2,BYTCNT ;AND BYTE COUNT
CALL COMLF2 ;TYPE ADR AND DATA
POP P,BYTCNT
POP P,O.MODE
POP P,SYM ;GET SYMBOL POINTER BACK
POP P,DATA
RET ,ESC.X3
;HERE FOR <$>N (OR <$>W) WHICH IS NOT (OR IS) WORD SEARCH
ESC..N: TROA FLG,F.FLIP ;FLAG WE ARE DOING NOT SEARCH
ESC..W: TXZ FLG,F.FLIP ;FLAG WE WANT MATCHES
MOVE T1,EXPRESS ;GET WHAT TO SEARCH FOR
AND T1,S.MASK
MOVEM T1,S.WORD
MOVE DOT,SBEGIN
SETZM CACHEL ;NOTHING IN CACHE SO FAR
TXO FLG,F.CACH ;USE CACHE IF WE CAN
ESC.W2: HRROS T1,DOT ;COPY ADR (FLAG MEMORY ADR)
HRRZ T2,S..END
ADDI T2,2
SUB T2,T1 ;NUMBER OF WORDS TO GET TO FINSIH SEARCH
CAILE T2,EXMAX
MOVEI T2,EXMAX ;MAXIMUM NUMBER OF WORDS FOR THIS REQUEST
CALL GETWRD
JRST ESCW.9
MOVEM T1,DATA ;SAVE DATA
AND T1,S.MASK ;MASK SOME OF THE BITS
TXNE FLG,F.FLIP ;ARE WE LOOKING FOR MATCH ?
JRST [ CAMN T1,S.WORD ;DON'T WANT MATCH
JRST ESCW.8
JRST ESCW.6 ]
CAME T1,S.WORD
JRST ESCW.8
ESCW.6: CALL CRLTYP
MOVE T1,DOT ;GET ADDRESS
CALL ADRTYP
TYPE </ >
CALL DATYPE
SKPINC ;ANY TYPEAHEAD ?
JRST ESCW.8
JRST ESCW.9 ;YES SO STOP
ESCW.8: CALL NXTDOT ;GET NEXT DOT
HRRZ T1,DOT
CAMLE T1,S..END
JRST ESCW.9
TRNN DOT,377 ;DON'T DO TOO MANY UUO'S
SKPINC ;TYPING AHEAD ?
JRST ESC.W2 ;NO
ESCW.9: TYPE <
<search done>
>
JRST LEVEL2
; Here to control that little $$[n]U command
ESC..U: JRST LEVEL2 ; SIMPLE, FOR NOW
;HERE TO MOVE MEMORY UP IN CORE
; CALL MOVEI T1,<AMOUNT TO MOVE IT UP>
; CALL MOVEM
MOVMEM: PUSH P,T1 ;SAVE ARGUMENT
CALL MOVSMT ;FIRST MOVE UP THE SYMBOL TABLE
POP P,T1 ;NUMBER OF WORDS TO MOVE
SKIPN T2,MEMORY ;ADR OF 1ST WORD IN MEMORY
RET ,MOVMEM
ADDM T1,MEMORY ;UPDATE MEMORY POINTER
MOVE T3,SYMBEG ;GET NEW SYMBOL TABLE POINTER
SOS T3 ;IS NEW LAST WORD IN MEMORY
CALL MOVTAB ;MOVE IT
JRST SIMREL ;ADJUST SIMULATION TO NOTICE NEW LOCATIONS
;HERE TO MOVE MEMORY USE TABLE UP IN CORE
; CALL MOVEI T1,<AMOUNT TO MOVE IT UP>
; CALL MOVMUS
MOVMUS: PUSH P,T1 ;SAVE ARGUMENT
CALL MOVSMT ;FIRST MOVE UP THE SYMBOL TABLE
POP P,T1 ;NUMBER OF WORDS TO MOVE
HRRZ T2,MEMUSE ;ADR OF FIRST WORD IN MEMORY USE TABLE
JUMPE T2,R ;IF NO MEMORY WE'RE DONE
ADDM T1,MEMUSE ;UPDATE MEMORY USE TABLE ADR
ADDM T1,MEMORY ;AND MEMORY POINTER
MOVE T3,SYMBEG ;NEW SYMBOL TABLE ADR
SOS T3 ;MAKES NEW LAST WORD IN MEMORY
CALL MOVTAB ;MOVE IT
JRST SIMREL ;ADJUST SIMULATION TO NOTICE NEW ADDRESSES
;HERE TO MOVE A TABLE UP IN CORE (BACKWARDS BLT)
; CALL MOVE T1,<# OR WORDS TO MOVE)
; MOVE T2,ADR OF 1ST WORD IN CORE TO BE MOVED
; MOVE T3,<ADR OF NEW LAST WORD IN BLOCK>
; CALL MOVTAB
MOVTAB: MOVE T4,T3 ;COPY ADR OF LAST WORD IN BLOCK
SUB T3,T1 ;MAKES LAST ADR IN OLD TABLE
MOVTB2: MOVE T1,(T3) ;GET NEXT WORD TO COPY
MOVEM T1,(T4) ;COPY IT
SOS T4
CAME T3,T2 ;COPIED LAST WORD YET ?
SOJA T3,MOVTB2 ;LOOP FOR MORE WORDS
SETZM (T2) ;CLEAR FIRST WORD IN TABLE
HRLI T2,(T2) ;BUILD BLT POINTER
AOS T2 ;FINISH BUILDING POINTER
BLT T2,(T4) ;CLEAR OLD TABLE
RET ,MOVTAB
SAVE4: PUSH P,T1
PUSH P,T2
PUSH P,T3
PUSH P,T4
PUSHJ P,@-4(P)
CAIA
AOS -5(P)
POP P,T4
POP P,T3
POP P,T2
POP P,T1
POP P,(P)
POPJ P,
SAVE2: EXCH T2,(P)
PUSHJ P,(T2)
CAIA
AOS -1(P)
POP P,T2
POPJ P,
SAVE24: EXCH T2,(P)
PUSH P,T3
PUSH P,T4
PUSHJ P,(T2)
CAIA
AOS -3(P)
POP P,T4
POP P,T3
POP P,T2
POPJ P,
SAVE34: EXCH T3,(P)
PUSH P,T4
PUSHJ P,(T3)
CAIA
AOS -2(P)
POP P,T4
POP P,T3
POPJ P,
SAVE35: EXCH T3,(P)
PUSH P,T4
PUSH P,T5
PUSHJ P,(T3)
CAIA
AOS -3(P)
POP P,T5
POP P,T4
POP P,T3
POPJ P,
;CALL MOVE T1,<ERROR CODE>
; MOVE T2,ERROR LIST
; CALL CALERR
CALER0: SETZ T2,
CALERR: JUMPL T1,R ;EXIT IF WE ALREADY GAVE THE ERROR
PUSH P,T1 ;SAVE CODE
JUMPN T2,CALER1 ;ERROR LIST GIVEN ?
SKIPE NODE.N ;WERE WE DOING /NODE STUFF ?
MOVEI T2,NERLST ;NODE. ERROR
SKIPE PORT ;WAS A /PORT GIVEN ?
MOVEI T2,C11LST ;YES SO IS CALL11 ERROR CODE
CALER1: PUSH P,T2 ;SAVE LIST
CALL QESTYP ;TYPE A QUESTION MARK
HRRZ T1,(P) ;GET TYPE OF ERROR
SKIPE T1
PUSHJ P,[HRRZ T1,(T1) ;GET ERROR DESCRIPTION
JRST TYPSTR] ;DISPLAY IT
TYPE < error code = >
MOVE T1,-1(P) ;GET OCTAL CODE
CALL OCTYPE
CALL BLANKT ;TYPE A SPACE
POP P,T2 ;GET ERROR LIST
POP P,T1 ;GET ERROR CODE
JUMPLE T1,CALER9
JUMPE T2,CALER9
HLRZ T3,(T2) ;GET MAX ERROR WE KNOW
CAILE T1,(T3) ;IS IT IN RANGE ?
JRST CALER9 ;NOT IN RANGE SO CAN'T HELP FURTHER
ADDI T1,(T2)
MOVE T1,(T1)
CALL TYPSTR
CALER9: CALL QESTYP
CALL TABTYP
SETO T1, ;SAY WE PRINTED THE ERROR
RET ,CALERR
;HERE FOR A LOCK ERROR
LOCKER: MOVEI T2,LERLST ;DESCRIPTIONS FOR LOCK ERRORS
CALL CALERR
EXIT
JRST LOCKER
GENERR: XWD <C11LST-GENERR+1>,[ASCIZ \GENERAL\]
Z [ASCIZ \NXM memory reference\]
Z [ASCIZ \odd address memory reference\]
Z [ASCIZ \DN60 not available\]
C11LST: XWD <LERLST-C11LST+1>,[ASCIZ \CAL11\]
Z [ASCIZ \not privileged\]
Z [ASCIZ \unknown function\]
Z [ASCIZ \not a DC76\]
Z [ASCIZ \function already in use\]
Z [ASCIZ \no answer to query\]
Z [ASCIZ \queue entry too short\]
Z [ASCIZ \not enough arguments\]
LERLST: XWD <NERLST-LERLST+1>,[ASCIZ \LOCK\]
Z [ASCIZ \not privileged\]
Z [ASCIZ \other job too large\]
Z [ASCIZ \maximum too large\]
Z [ASCIZ \EVM exhausted\]
Z [ASCIZ \illegal subfunction\]
Z [ASCIZ \page unavailable\]
NERLST: XWD <LSTLST-NERLST+1>,[ASCIZ \NODE.\]
Z [ASCIZ \ill arg list\]
Z [ASCIZ \ill node name or number\]
Z [ASCIZ \not privileged job\]
Z [ASCIZ \remote node control not available\]
Z [ASCIZ \job not locked\]
Z [ASCIZ \timeout\]
LSTLST:
;HERE BECAUSE USER FINISHED SYMBOL WITH ":"
DEFSYM: TXNE FLG,F.SYMB
SKIPN T1,SYMBOL ;SYMBOL HE DEFINED
JRST ILLCHR
SKIPE T2,LFTSAV ;WAS THIS X<TAG: ?
JRST [ ;ANDI T2,177777 ;STRIP EXTRA BITS
JRST DFSYM3 ] ;YES
TXNN DOT,DOT.OK
TXO DOT,DOT.FG
HRRZ T2,DOT ;CURRENT ADR
SETZB T3,T4 ;NO FLAGS OR MISC
TXNN DOT,DOT.AC
TLO T3,SMF.RG
LDB T1,[POINT 6,SYMBOL,5] ;GET FIRST CHAR IN SYMBOL
CAIN T1,' %'
JRST [SKIPN CMDFIL ;DOING COMMAND FILE ?
JRST ILLCHR ;NO SO THIS IS TRASH
MOVE T2,CMDCNT ;VALUE IS CHAR IN FILE
MOVSI T3,SMF.SU ;SUPPRESS VALUE
JRST .+1 ]
DFSYM3: MOVE T1,SYMBOL ;GET SYMBOL AGAIN
MOVE T4,[SIXBIT /TYPEIN/] ;SAY THAT THE USER DEFINED IT
CALL ADDSYM
CALL TABTYP
JRST LEVEL2
;HERE TO EVALUATE A SYMBOL
; CALL WITH SYMBOL SETUP
; LOSE RETURN
; WIN RETURN WITH SYM SETUP, VALUE IN T1, FLAGS IN T2
EVLSYM: LDB T1,[POINT 6,SYMBOL,5] ;GET FIRST CHAR OF SYMBOL
CAIN T1,' %'
RET ,EVLSYM
MOVE T1,SYMBOL ;GET CURRENT SYMBOL
CAMN T1,[SIXBIT \ Q\] ;CHECK FOR <ALT>Q
JRST [HRRZ T1,ESC.Q.
RET SKIP,EVLSYM]
CAMN T1,[SIXBIT \.\] ;CHECK FOR SPECIAL CASE
JRST [HRRZ T1,DOT
MOVSI SYM,SMF.RG
TXNN DOT,DOT.OK
TXO DOT,DOT.FG
TXNN DOT,DOT.AC
TXO FLG,F.SYML
RET SKIP,EVLSYM]
TXO FLG,F.SYML ;ASSUME WE'LL LOAD SYM
CALL SYMFND ;TRY TO FIND SYMBOL
JRST SYMERR
HRRZ T1,1(SYM) ;GET VALUE OF SYMBOL
TLNE SYM,SMF.RG ;IS THIS A REGISTER NAME ?
TXO FLG,F.SREG ;YES
RET SKIP,EVLSYM
SYMERR: MOVEI T1,[ASCIZ \U \]
JRST ILLCH0 ;REST LIKE ILLEGAL CHARACTER
;HERE TO FIND A MATCH FOR A SYMBOL
; CALL MOVE T1,[SIXBIT \SYMBOL\]
; CALL SYMFND
; ERROR RETURN
; SUCCESS RETURN SYM POINTS TO SYMBOL
SYMFND: SKIPN SYM,SYMBEG ;GET ADR OF BEGINNING OF SYMBOL TABLE
RET ,SYMFND
SYMFN1: CAMN SYM,SYMEND ;HIT END OF TABLE YET ?
RET ,SYMFND
CAMN T1,(SYM) ;IS THIS SYMBOL ?
CALL SYMFN7 ;CHECK PDP8/PDP11 RIGHT
MOVEI SYM,4(SYM) ;POINT TO NEXT SYMBOL TABLE BLOCK
JRST SYMFN1
;HERE TO SEE IF PDP8/PDP11 FLAG RIGHT FOR THIS SYMBOL
SYMFN7: HLL SYM,2(SYM) ;GET FLAGS FOR SYMBOL
TLNN SYM,SMF.IN ;IS THIS AN INSTRUCTION ?
JRST SYMFN9 ;NO SO OK TO USE SYMBOL
TLNE SYM,SMF.P8 ;IS THIS A PDP8 SYMBOL ?
JRST SYMFN8
SKIPE PDP8F
RET ,SYMFND
JRST SYMFN9
SYMFN8: SKIPN PDP8F
RET ,SYMFND
SYMFN9: MOVEM T1,(P)
POP P,T1
RET SKIP,SYMFND
RSKP: RET SKIP,UNKNOW
R: RET ,UNKNOW
;HERE TO SEE IF WE CAN FIND A MATCH FOR AN INSTRUCTION
; CALL MOVEI T1,<VALUE>
; CALL INVLFN
; LOSE RETURN
; WIN RETURN WITH SYM SET UP
INVLFN: SKIPN SYM,SYMBEG ;ADDRESS OF FIRST SYMBOL BLOCK
RET ,INVLFN
INVLF1: MOVE T2,2(SYM) ;GET FLAGS & MASK
TLNN T2,SMF.SU ;IS THIS SUPPRESSED >?
TLNN T2,SMF.IN ;IS THIS AN INSTRUCTION ?
JRST INVLF8
ANDI T2,(T1) ;MASK ARGUMENT
CAMN T2,1(SYM) ;IS THIS A MATCH ?
CALL SYMFN7 ;OK IF PDP8/PDP11 FLAG RIGHT
INVLF8: MOVEI SYM,4(SYM) ;GET ADR OF NEXT SYMBOL BLOCK
CAME SYM,SYMEND ;HIT END OF SYMBOLS ?
JRST INVLF1 ;NO SO SEE IF THIS ONE OK
RET ,INVLFN
;HERE TO FIND A NAME FOR A REGISTER
; CALL: MOVEI T1,# ;REGISTER NUMBER
; CALL RGFNDN
; LOSE
; BINGO (WITH SYM SETUP - OTHER REGS PRESERVED)
RGFNDN: CALL SAVE24 ;SAVE REGISTERS
CALL VLFND0 ;FIND A SYMBOL FOR VALUE
CAIA
RGFND8: MOVEI SYM,-4(SYM) ;MAKE ADDRESS OF PREVIOUS SYMBOL
CAMN T1,1(SYM) ;RIGHT VALUE ?
CAMGE SYM,SYMBEG ;BACKED UP TOO FAR ?
RET ,RGFNDN
HLL SYM,2(SYM) ;GET FLAGS
TLNN SYM,SMF.SU ;IS THIS A SUPPRESSED SYMBOL ?
TLNN SYM,SMF.RG ;IS THIS A REGISTER ?
JRST RGFND8 ;NO GOOD
RET SKIP,RGFNDN
;HERE TO ADD A SYMBOL TO TABLE
; CALL PUT SYMBOL IN T1, PUT VALUE IN T2, FLAGS IN T3, MISC IN T4
; RETURNS WITH SYM POINTING TO NEW SYMBOL
ADDSYM: PUSH P,T4 ;SAVE MISC ON STACK
SKIPE PDP8F ;IS THIS A PDP8 SYMBOL ?
TLO T3,SMF.P8 ;YES IS A PDP8
PUSH P,T3 ;SAVE FLAGS ON STACK
PUSH P,T1 ;SAVE SYMBOL ON STACK
PUSH P,T2 ;SAVE VALUE ON STACK
IFN DEBUG,<
MOVE QX,F.DEBU ; GET THE DEBUG FLAG
TRNN QX,DB.SYM ; IS THIS OPTION ENABLED ??
JRST ADDSYX
TYPE <%Adding symbol >
MOVE T1,-1(P) ;GET THE NAME
CALL SIXTYP ;TYPE SYMBOL NAME
TYPE <. Value is >
MOVE T1,(P)
CALL OCTYPE
TLNN T3,SMF.SU ; SUPPRESSED?
JRST ADDSYZ
TYPE <, suppresed>
ADDSYZ: TLNN T3,SMF.RG
JRST ADDSYY
TYPE <, register>
ADDSYY: TYPE <, in module >
MOVE T1,T4 ;COPY OF MODULE NAME
CALL SIXTYP
CALL PERTYP
CALL CRLTYP
MOVE T2,(P)
MOVE T1,-1(P)
MOVE T3,-2(P)
MOVE T4,-3(P)
ADDSYX:>
CALL DELSYM ;FIRST DELETE ANY OLD VALUE
CALL POSYMT ;POSITION SYMBOL TABLE AT END OF CORE
MOVEI T1,4 ;GET 4 WORDS FOR A SYMBOL BLOCK
CALL GETCOR ;GET NEW CORE
POP P,T1 ;GET VALUE FOR SYMBOL
CALL VLFND0 ;FIND WHERE TO BULGE SYMBOL TABLE
MOVEI T2,4
ADDM T2,SYMEND ;AND POINTER TO END OF SYMBOL TABLE
CAML T1,1(SYM)
ADDI SYM,4
MOVE T2,T1 ;COPY SYMBOL VALUE
POP P,T1 ;GET SYMBOL
POP P,T3 ;GET FLAGS
POP P,T4 ;GET MISC
PUSH P,SYM ;SAVE SYMBOL POINTER
ADSYM7: EXCH T1,(SYM)
EXCH T2,1(SYM)
EXCH T3,2(SYM)
EXCH T4,3(SYM)
MOVEI SYM,4(SYM) ;POINT TO NEXT SYMBOL TABLE BLOCK
CAME SYM,SYMEND ;HIT END OF TABLE YET ?
JRST ADSYM7 ;NO SO KEEP GOING
POP P,SYM ;GET POINTER TO NEW SYMBOL
RET ,ADDSYM
;HERE TO DELETE A SYMBOL FROM A SYMBOL TABEL
; CALL MOVE T1,[SIXBIT \SYMBOL\]
; CALL DELSYM
; RETURN
DELSYM: CALL SYMFND ;TRY TO FIND SYMBOL IN CURRENT SYMBOL TABLE
RET ,DELSYM
HRLI T1,4(SYM) ;BUILD BLT POINTER
HRR T1,SYM
HRRZ T2,SYMEND ;END OF SYMBOL TABLE
BLT T1,-4(T2)
MOVNI T1,4
CAMN T2,.JBFF## ;SYMBOL TABLE AT END OF CORE ?
ADDM T1,.JBFF## ;YES SO ADJUST END POINTER
ADDM T1,SYMEND ;AND ADJUST POINTER TO END OF SYMBOL TABLE
RET ,DELSYM
;HERE TO BE SURE SYMBOL TABLE IS LAST THING IN CORE AND MOVE IT IF NOT
; CALL: CALL POSYMT
POSYMT: MOVE T1,SYMEND
CAMN T1,.JBFF## ;IS SYMBOL TABLE AT END OF CORE ?
RET ,POSYMT
PUSH P,.JBFF## ;SAVE OLD FREE CORE POINTER
MOVE T1,SYMEND
SUB T1,SYMBEG
CALL GETCOR
POP P,T1 ;GET OLD FREE CORE POINTER
HRL T1,SYMBEG
HRRZM T1,SYMBEG ;NEW BEGINNING OF SYMBOL TABLE
HRRZ T2,.JBFF
BLT T1,-1(T2)
MOVEM T2,SYMEND ;NEW END OFF SYMBOL TABLE
RET ,POSYMT
;HERE TO MOVE THE SYMBOL TABLE UP IN CORE
; CALL: MOVEI T1,<AMOUNT TO MOVE IT UP>
; CALL MOVSMT
MOVSMT: CALL SAVE24 ;SAVE REGISTERS
PUSH P,T1 ;SAVE ARGUMENT
CALL GETCOR ;GET ADDITIONAL CORE
POP P,T1 ;GET NUMBER OF WORDS TO MOVE
MOVE T2,SYMBEG ;FIRST WORD IN CURRENT SYMBOL TABLE
ADDM T1,SYMBEG ;NEW SYMBOL TABLE ADR
HRRZ T3,.JBFF## ;ADR OF NEW LAST WORD IN SYMBOL TABLE
HRRM T3,SYMEND ;NEW END OF SYMBOL TABLE
SOJA T3,MOVTAB ;MAKE NEW LAST WORD IN SYMBOL TABLE
; AND MOVE THE TABLE
;HERE TO FIND A NEAR MATCH FOR A VALUE
; CALL MOVEI T1,VALUE TO MATCH
; CALL VALFND
; ERROR RETURN ;WITH SYM CLEARED
; RETURN WITH SYM SET UP
VALFND: CALL VLFND0
JRST VLFND4
VLFND3: MOVEI SYM,-4(SYM) ;BACK UP SYMBOL POINTER
CAMGE SYM,SYMBEG ;BACKED UP TOO FAR ?
JRST VLFND7 ;YES
VLFND4: HLL SYM,2(SYM) ;GET FLAGS FOR SYMBOL
TLNE SYM,SMF.SU!SMF.IN!SMF.RG ;IS SYMBOL SUPPRESSED OR REG OR INSTRUCTION ?
JRST VLFND3 ;YES SO REJECT IT
MOVE T2,1(SYM) ;GET SYMBOL VALUE
CAIGE T1,400(T2)
AOSA (P)
VLFND7: SETZM SYM
RET ,VALFND
VLFND0: MOVE SYM,SYMBEG ;POINT TO FIRST SYMBOL BLOCK
MOVE T3,SYMEND
VLFND2: MOVE T2,T3 ;COPY HIGH LIMIT POINTER
SUB T2,SYM ;MAKE DIFFERENCE BETWEEN HIGH AND LOW
LSH T2,-1
ANDI T2,777774
JUMPE T2,R ;HAVE CARRIED THIS AS FAR AS WE CAN
ADD T2,SYM
CAMGE T1,1(T2)
SKIPA T3,T2
MOVE SYM,T2
JRST VLFND2
;HERE TO GET MORE CORE
; CALL MOVEI T1,<#WORDS OF CORE WANTED>
; CALL GETCOR
GETCOR: HRRZS T1 ;CLEAR LEFT HALF
ADDB T1,.JBFF## ;MAKE NEW END OF CORE
HRRZS T1 ;CLEAR LEFT HALF
HRLM T1,.JBSA## ;IN CASE WE GET SAVED LATER
TXNN FLG,F.EXEC ;RUNNING IN EXEC MODE
CAMG T1,.JBREL##
JRST GTCOR9
TXNE FLG,F.LOCK
JRST [ MOVEI T1,1 ;CODE FOR LOW SEG
UNLOK. T1, ;CAN'T BE LOCKED WHEN WE DO THIS
JRST LOCKER ;OLD MONITOR PERHAPS ?
HRRZ T1,.JBFF## ;GET CORE ARG BACK
CORE T1,
JRST CORERR ;CAN'T HAVE MORE ?
MOVEI T1,1 ;CODE TO LOCK LOW SEG
LOCK T1,
JRST LOCKER
JRST GTCOR6 ]
CORE T1,
JRST CORERR
GTCOR6: DBGTYPE DB.MEM,<%Expanding memory to make room, new memory size is
>
MOVEI T1,"["
CALL TYPCHR
HRRZ T1,.JBREL##
AOS T1
LSH T1,-^D9
CALL DECTYP
TYPE <p core]
>
GTCOR9: RET ,GETCOR
;HERE IF CAN'T GET CORE WE WANT
CORERR: TYPE <?
?CORE UUO failed, can't continue from here.
>
EXIT
JRST DDT11 ; IF THEY TRY TO CONTINUE, ANYWAY
;HERE TO CHECK SWITCHES AND ASSURE NO CONFLICT
; T1= OUT SWITCHES
; T2= CONFLICTING SWITCHES
; WILL UPDATE SWTMSK, AND REMEMBER ALL THE ONES WE HAVE SEEN
SWTTST: IORB T1,SWTMSK ; REMEMBER THIS SWITCH AS SEEN
TDNE T2,SWTMSK ; IS THIS OK WITH WHAT WE HAVE SEEN?
JRST [TYPE <?
? Switch conflict in command line.
>
RET ,SWTTST]
RET SKIP,SWTTST
;HERE FOR CORE ARGUMENT
SETCOR: SWTCHK CORE
DBGTYPE <DB.MEM!DB.INI>,<%Processing CORE switch
>
CAIE T5,":"
JRST [TYPE <?
?Core switch requires an argument
>
RET ,SETCOR]
CALL DECINP ;GET THE CORE SIZE
JRST [TYPE <?
?Core switch requires an argument
>
RET ,SETCOR]
CAIE T5,"K" ;UPPERCASE K
CAIN T5,"K"+40 ;LOWERCASE K ?
JRST [IMULI T1,2000 ;CONVERT TO NUMBER OF WORDS
MOVEI T5,40 ;FAKE BREAK CHAR
JRST .+1 ]
HRRZM T1,CORARG
MOVEI T1,EX.MEM
MOVEM T1,ETYPE
RET SKIP,SETCOR
;HERE TO EFFECT THE /CORE:#
STCOR1: SKIPN PDP8F
SKIPN T2,CORARG ;WAS THERE A CORE ARGUMENT ?
RET SAFE,STCOR1
LSH T2,1 ;CONVERT BYTES TO WORDS
ADDI T2,017777 ;ROUND TO NEXT 4K WORD BOUNDRY
ANDI T2,160000 ;MASK TO RIGHT SIZE
SOS T2 ;NEW MEMLIM IS ONE LESS
MOVEM T2,CORARG
SKIPN MEMORY ;ANY CORE ASSIGNED YET ?
JRST STCOR2 ;NONE YET SO GET IT
CAMG T2,MEMLIM ;DO WE HAVE ENOUGH YET ?
JRST STCOR3 ;WE HAVE ENOUGH
STCOR2: SETZ T1,
CALL PUTFOO ;MAKE SURE WE HAVE THAT LOCATION
STCOR3: MOVE T1,CORARG ;GET CORE ARGUMENT
EXCH T1,MEMLIM ;WHICH IS NEW MEMLIM
SUB T1,MEMLIM ;HOW MANY BYTES TO DELETE
JUMPE T1,STCOR9 ;IF NONE WER'E DONE
LSH T1,-2 ;NUMBER OF WORDS TO SHIFT SYMBOL TABLE
HRL T2,SYMBEG ;GET BEGINING OF SYMBOL TABLE
HRR T2,SYMBEG ;BUILD BLT POINTER
SUB T2,T1
HRRM T2,SYMBEG
MOVE T3,SYMEND
SUB T3,T1 ;NEW END OF SYMBOL TABLE
MOVEM T3,SYMEND
BLT T2,(T3)
HRRZM T3,.JBFF##
HRLM T3,.JBSA##
STCOR9: SETZM CORARG ;DONE WITH ARGUMENT
RET SKIP,STCOR1
;HERE IF USER TYPES /GO
SETGO: SWTCHK GO
DBGTYPE DB.INI,<%Setting start address to LEVL.0 for /GO
>
MOVE T1,[400000,,LEVL.0]
MOVEM T1,LASTSW
MOVEI T1,EX.MEM
MOVEM T1,ETYPE
RET SKIP,SETGO
IFN DEBUG,< ; HERE FOR /DEB
CALLTY: PUSH P,T1
PUSH P,T2
MOVEI T1,[ASCIZ \%Call to routine \]
PUSHJ P,TYPSTR
MOVE T1,-1(P)
PUSHJ P,SIXTYP
MOVEI T1,[ASCIZ \ (\]
PUSHJ P,TYPSTR
MOVE T1,(P)
PUSHJ P,OCTYPE
MOVEI T1,[ASCIZ \) from \]
PUSHJ P,TYPSTR
MOVEI T1,.+4
PUSHJ P,OCTYPE
PUSHJ P,CRLTYP
ADJSP P,-2
POPJ P,
RETTY1: PUSH P,T2
PUSH P,T1
MOVEI T1,[ASCIZ \ %Returning for routine \]
PUSHJ P,TYPSTR
POP P,T1
PUSHJ P,SIXTYP
PUSHJ P,CRLTYP
POP P,T2
POPJ P,
RETTY2: PUSH P,T2
PUSH P,T1
MOVEI T1,[ASCIZ \ %Skip returning for routine \]
PUSHJ P,TYPSTR
POP P,T1
PUSHJ P,SIXTYP
PUSHJ P,CRLTYP
POP P,T2
POPJ P,
SETDDT: SWTCHK DEBUG
MOVEI T1,DB.INI!DB.SYM!DB.MEM!DB.EXD
MOVEM T1,F.DEBU
CAIE T5,":" ; IS THERE AN ARGUMENT HERE?
JRST SETDT1 ; NO, THEN ALL IS OK...
CALL SIXIN ; GET THE NUMBER TYPED
JRST [ TYPE <%Illegal value for the /DEBUG switch, -1 assumed.
>
JRST SETDT1 ]
CALL SIXOCT ; CONVERT THE NUMBER TO OCTAL, PLEASE
JRST [ TYPE <%Illegal value for the /DEBUG switch, -1 assumed.
>
JRST SETDT1 ]
MOVEM T1,F.DEBU ; SAVE THE FLAGS FOR LATER...
SETDT1: MOVE QX,F.DEBU ; GET THE FLAGS
TXNN QX,DB.INI
RET SAFE,SETDDT
TYPE <%Setting the DEBUG switch
>
RET SKIP,SETDDT
>
;HERE FOR /PATCH
SETWEN: SWTCHK PATCH
DBGTYPE <DB.INI!DB.EXD>,<%Enabling writes to memory
>
TXO FLG,F.WENB ;ENABLE PATCHING
RET SKIP,SETWEN
;HERE BECAUSE USER TYPED /PDP11 OR /11
SETP11: SWTCHK 11
SWTCHK PDP11
SETZM PDP8F ;CLEAR PDP8 FLAG
MOVSI T1,(CPU.34) ; GET THE FLAG FOR AN 11/34
MOVEM T1,FLAG11 ; AND SAVE AWAY FOR THE SPOOKS
MOVEI T1,CPN.34 ; AND GET THE CPU CODE NUMBER
MOVEM T1,TYPE11 ; SAVE THE NEW MASK
MOVE T1,[MA.34] ; GET THE MEMORY MASK
MOVEM T1,MEMMSK ; AND SAVE THAT, TOO
CAIE T5,":" ; IS THERE AN ARGUMENT?
RET SAFE,SETP11
CALL SIXIN ; GET THE VALUE TYPED...
JRST [ TYPE <?
?Illegal argument for /PDP11 switch, PDP11/34 assumed
>
RET SKIP,SETP11]
CALL SIXOCT ; CONVERT IT TO OCTAL, PLEASE
JRST [ TYPE <?
?Illegal argument for /PDP11 switch, PDP11/34 assumed
>
RET SKIP,SETP11]
MOVEI T2,TYP11T ; GET THE 11 TYPE TABLE
SETP13: SKIPN T3,1(T2) ; IS THAT THE LAST ENTRY ?
JRST [ ; YES, COMPLAIN ABOUT THE LACK OF A MATCH
TYPE <?
?Unknown cpu number for the /PDP11 switch, PDP11/34 assumed
>
RET SKIP,SETP11]
HRRZ T3,T3 ; ONLY KEEP HALF THE WORD
CAMN T1,T3 ; THE SAME?
JRST SETP14
ADDI T2,2 ; SKIP OVER THE MEMORY MASK
AOJA T2,SETP13 ; NO, LOOP AT THE NEXT WORD
SETP15:
IFN DEBUG,<
MOVE QX,F.DEBU
TXNN QX,DB.INI
JRST SETP14
TYPE <%Setting the PDP11 type to >
HRRZ T1,1(T2) ; GET THE EXTERNAL TYPE
CALL OCTYPE
CALL CRLTYP
>
SETP14: HLRZ T3,1(T2) ; GET THE INTERNAL CPU TYPE
MOVEM T3,TYPE11 ; AND SAVE THE NUMBER...
MOVE T3,(T2) ; GET FLAG FOR CPU
MOVEM T3,FLAG11 ; AND SAVE AWAY
MOVE T3,2(T2) ; GET MEMORY MASK
MOVE T3,MEMMSK ; AND SAVE THAT, TOO
RET SKIP,SETP11
; HERE IS THE TABLE OF CPU TYPES WE SUPPORT AT THIS TIME...
TYP11T:
ZZ==0
DEFINE X (A,B,C) <
XLIST
CPU.'A==1B<ZZ>
CPN.'A==ZZ
MA.'A==<<1B<35-C>>-1>
EXP CPU.'A
EXP <CPN.'A,,B>
EXP MA.'A
ZZ==ZZ+1
LIST
>
CPUINF
EXP 0,0,0 ; END OF THE LIST FOR NOW, MUST BE 3 WORDS
;HERE BECAUSE USER TYPED /PDP8 OR /8
SETPD8: SWTCHK 8
SWTCHK PDP8
DBGTYPE DB.INI,<%Setting cpu type to PDP8
>
SETOM PDP8F
MOVSI T1,(CPU.8) ; GET THE FLAG FOR AN EIGHT
MOVEM T1,FLAG11 ; AND SAVE AWAY FOR THE SPOOKS
MOVEI T1,CPN.8 ; AND GET THE CPU CODE NUMBER
MOVEM T1,TYPE11 ; SAVE THE NEW MASK
MOVE T1,[MA.8] ; GET THE MEMORY MASK
MOVEM T1,MEMMSK ; AND SAVE THAT, TOO
RET SKIP,SETPD8
;HERE FOR A /LA36 IN COMMAND LINE
SETLA3: SWTCHK LA36
SETZM TTYBIT
RET SKIP,SETLA3
;HERE FOR /LOCK
SETLOK: SWTCHK LOCK
DBGTYPE <DB.INI!DB.MEM>,<%Locking DDT11 in core.
>
MOVE T1,OSTYPE
TXNN T1,T.TOP10
JRST [ TYPE <?
?Illegal /LOCK when not on TOPS-10
>
RET ,SETLOK]
MOVEI T1,LK.LLS!LK.LNE ;CODE TO LOCK
LOCK T1,
JRST LOCKER ;REPORT ERROR
TXO FLG,F.LOCK ;REMEMBER WE DID
RET SKIP,SETLOK
;HERE FOR A /VT52 IN COMMAND LINE
SETVTX: SWTCHK VT52
TXO T1,TF.RUB ;BIT TO GET RIGHT KIND OF RUBOUTS
MOVEM T1,TTYBIT
RET SKIP,SETVTX
;HERE FOR /HELP IN THE COMMAND LINE
SETHLP: SWTCHK HELP
SETZM LASTSW ;FLAG THAT THERE ARE NO ROUTINES TO EXECUTE
MOVEI T1,HLPTXT
CALL TYPSTR
RET SKIP,SETHLP
HLPTXT: ASCIZ \
switches:
Switch Use
/11
/PDP11[:n] The dump or node is a PDP11 of type n
n may be 2,3,4,5,10,15,20,23,231,24,34,35,40,44,45,55,60,70, or 74
/8
/PDP8 The dump or node is a PDP8
/BINARY The dump is in the form produced by MACDLX.
/CORE:n Expand "simulated" memory to size n (i.e. 28K)
/DTELDR The dump is in the form produced by DTELDR or DNLOAD
/DUMP The dump is in the form produced by NETLDR (default)
/FE:xy Look at front end y on cpu x
/FESYMB Load symbols from a RSX20F style map
/GO Enter DDT mode
/HELP This text
/LA36 Terminal is a LA36 (or other hard copy terminal)
/LINE:n Use DDCMP maintaince mode over a line n
/LOCK Lock ddt11 in core
/LSD The dump is in the form produced by BOOT11
/MCB:node Examine a running MCB node with node name "node"
/MCBDMP Read a dump of an MCB
/MCBSYS Read an unrun MCB system image
/MERGE Merge more than one dump into DDT11's work space
/NODE:n Examine node n, or /NODE:n/LINE:m
/PATCH Enable patching of the dump or node being examined
/PORT:n Used to indicate a DN6x front end or any front end
connected to a DL10
/RELOCA:sym Relocate symbols read in by the value sym
/STB Read an STB format symbol table
/SYMBOL[:n] Read a listing produced by MACDLX and extract symbols
Where n is the (optional) 128 word disk block to start
reading from.
/UBA:n Use UBA n for the -11 I/O page
/VT52 The terminal does a backspace
\
;HERE TO READ A SAVED SYMBOL TABLE
SETLOD: SWTCHK LOAD
TYPE <?
?The /LOAD switch is not yet implemented
>
RET ,SETLOD
;HERE TO WRITE A SYMBOL TABLE
SETSAV: SWTCHK SAVE
TYPE <?
?The /SAVE switch is not yet implemented
>
RET ,SETSAV
;HERE TO SET THE MODULE NAME FOR ADDING SYMBOLD TO THE SYMBOL TABLE
SETMOD: SWTCHK MODULE
TYPE <?
?The /MODULE switch is not yet implemented
>
RET ,SETMOD
;INITIAL STATE TABLE
STATE0:
BYTE (18)LOOP ,ILLCHR,ILLCHR,DDT11 ,ILLCHR,ILLCHR,CNTRLF,ILLCHR ;7
BYTE (18)ACCUM ,ACCUM ,ACCUM ,ILLCHR,ILLCHR,ACCUM ,ILLCHR,ILLCHR ;17
BYTE (18)ILLCHR,ILLCHR,CNTRLR,ILLCHR,ILLCHR,CNTRLU,ILLCHR,CNTRLW ;27
BYTE (18)EXPXOR,ILLCHR,CNTRLZ,ESCAPE,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;37
BYTE (18)EXPSPC,EXPIOR,ACCUM ,ACCUM ,ASSYMB,ASSPRC,EXPAND,EXPDIV ;47
BYTE (18)ACCUM ,ACCUM ,EXPMUL,EXPLUS,ACCUM ,EXPMIN,ASSPER,ACCUM ;57
BYTE (18)ASSNUM,ASSNUM,ASSNUM,ASSNUM,ASSNUM,ASSNUM,ASSNUM,ASSNUM ;67
BYTE (18)ASSDEC,ASSDEC,DEFSYM,ACCUM ,LFTANG,ACCUM ,ACCUM ,QUEST. ;77
BYTE (18)ACCUM ,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB ;107
BYTE (18)ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB ;117
BYTE (18)ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB ;127
BYTE (18)ASSYMB,ASSYMB,ASSYMB,ACCUM ,ACCUM ,ILLCHR,ACCUM ,ACCUM ;137
BYTE (18)ILLCHR,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB ;147
BYTE (18)ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB ;157
BYTE (18)ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB,ASSYMB ;167
BYTE (18)ASSYMB,ASSYMB,ASSYMB,ILLCHR,ILLCHR,ILLCHR,ILLCHR,COMRUB ;177
;STATE TABLE WHEN USER TYPES ALTMODE
STATSC:
BYTE (18)LOOP ,ILLCHR,ILLCHR,DDT11 ,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;7
BYTE (18)ESC.UP,ILLCHR,ESC.LF,ILLCHR,ILLCHR,ESC.CR,ILLCHR,ILLCHR ;17
BYTE (18)ILLCHR,ILLCHR,CNTRLR,ILLCHR,ILLCHR,CNTRLU,ILLCHR,CNTRLW ;27
BYTE (18)ILLCHR,ILLCHR,CNTRLZ,ESCESC,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;37
BYTE (18)ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;47
BYTE (18)ESCPAR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ESC...,ESC.SL ;57
BYTE (18)ESC..0,ESC..0,ESC..0,ESC..0,ESC..0,ESC..0,ESC..0,ESC..0 ;67
BYTE (18)ESC..8,ESC..8,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;77
BYTE (18)ILLCHR,ESC..A,ESC..B,ESC..C,ESCD..,ILLCHR,ESC..F,ESC..G ;107
BYTE (18)ILLCHR,ESC..I,ILLCHR,ESC..K,ILLCHR,ESC..M,ESC..N,ILLCHR ;117
BYTE (18)ESCP..,ESC..Q,ESC..R,ESC..S,ESC..T,ESC..U,ESC..V,ESC..W ;127
BYTE (18)ESC..X,ESCY..,ILLCHR,ESC.SL,ILLCHR,ILLCHR,ESC.UP,ILLCHR ;137
BYTE (18)ILLCHR,ESC..A,ESC..B,ESC..C,ESCD..,ILLCHR,ESC..F,ESC..G ;147
BYTE (18)ILLCHR,ESC..I,ILLCHR,ESC..K,ILLCHR,ESC..M,ESC..N,ILLCHR ;157
BYTE (18)ESCP..,ESC..Q,ESC..R,ESC..S,ESC..T,ESC..U,ESC..V,ESC..W ;167
BYTE (18)ESC..X,ESCY..,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,COMRUB ;177
;STATE TABLE TO END AN EXPRESSION
STATEB:
BYTE (18)ILLCHR,ILLCHR,ILLCHR,DDT11 ,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;7
BYTE (18)UARROW,COM.HT,COM.LF,ILLCHR,ILLCHR,COM.CR,ILLCHR,ILLCHR ;17
BYTE (18)ILLCHR,ILLCHR,CNTRLR,ILLCHR,ILLCHR,CNTRLU,ILLCHR,CNTRLW ;27
BYTE (18)ILLCHR,ILLCHR,CNTRLZ,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;37
BYTE (18)ILLCHR,ILLCHR,QUOTE ,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;47
BYTE (18)ILLCHR,ILLCHR,ILLCHR,ILLCHR,LEVEL3,ILLCHR,ILLCHR,OPNLOC ;57
BYTE (18)ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;67
BYTE (18)ILLCHR,ILLCHR,ILLCHR,SEMICL,ILLCHR,EQUALS,SUPLIM,ILLCHR ;77
BYTE (18)ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;107
BYTE (18)ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;117
BYTE (18)ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;127
BYTE (18)ILLCHR,ILLCHR,ILLCHR,OPLBKT,BKSLSH,ILLCHR,UARROW,BARROW ;137
BYTE (18)ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;147
BYTE (18)ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;157
BYTE (18)ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR ;167
BYTE (18)ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,ILLCHR,COMRUB ;177
; STATE TABLE BUILT TO BE USED FOR TYPING QUOTED TEXT
STATEQ: BLOCK 100
DEFINE NAMES <
XLIST
X 11,SETP11 ;/11
X 8,SETPD8 ;/8
X BINARY,SETBIN ;/BINARY PRODUCED BY MACDLX
X CORE,SETCOR ;/CORE:28K
IFN DEBUG,< X DEBUG,SETDDT ;/DEBUG HELP MESSAGE TURN ON>
X DTELDR,SETFOO ;/DTELDR PRODUCED BY DTELDR
X DUMP,SETDMP ;/DUMP PRODUCED BY NETLDR
X FE,SET.FE ;/FE:XY
X FESYMB,SETFES ;/FESYMBOLS TYPE SYMBOL TABLE
X GO,SETGO ;/GO RIGHT NOW
X HELP,SETHLP ;/HELP ME, PLEASE
X LA36,SETLA3 ;/LA36
X LINE,SETLIN ;/LINE:N
X LOAD,SETLOD ;/LOAD SYMBOL TABLE
X LOCK,SETLOK ;/LOCK IN CORE
X LSD,SETDMP ;/LSD PRODUCED BY BOOT11
X MCB,SETDFE ;/MCB:node
X MCBDMP,SETMCB ;/MCBDMP PRODUCED BY DECNET NETWORK MANAGEMENT
X MCBSYS,SETMCS ;/MCBSYS TO READ AN UNRUN MCB SYSTEM IMAGE
X MERGE,SETMRG ;/MERGE THIS ON TOP OF OLD DUMP
X MODULE,SETMOD ;/MODULE:NAME TO SET ENTRIES IN SYMBOL TABLE
X NODE,SETNOD ;/NODE:N
X PATCH,SETWEN ;/PATCH IS ALLOWED
X PDP11,SETP11 ;/PDP11
X PDP8,SETPD8 ;/PDP8
X PORT,SETPRT ;/PORT:X OF THE DL10
X RELOCA,SETREL ;/RELOCATION OF SYMBOLS (GLOBAL AND LOCAL)
X SAVE,SETSAV ;/SAVE SYMBOLS
X STB,SETRST ;/STB PRODUCED BY MACY11 OR VNP20
X SYMBOL,SETSYM ;/SYMBOL TO BE READ
X UBA,SETUBA ;/UBA - SET UNIBUS TO USE
X VT52,SETVTX ;/VT52
LIST
>
DEFINE X (A,B) < SIXBIT \A\
Z'A==:XX
XX==XX+XX
>
XX==1
SW.LST: NAMES
Z
DEFINE X (A,B) < 0,,B >
SW.DSP: NAMES
SWTCON (<PDP11,11>,<PDP8,8>)
SWTCON (<PDP8,8>,<PDP11,11,BINARY,DTELDR,FE,FESYMB,HELP,LSD,MCB,MCBDMP,MCBSYS,PORT,RELOC,STB,UBA>)
SWTCON (<BINARY>,<PDP8,8,DTELDR,DUMP,FE,FESYMB,GO,HELP,LINE,LOAD,LOCK,LSD,MCB,MCBDMP,MCBSYS,MODULE,NODE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<CORE>,<FE,FESYMB,HELP,LINE,LOAD,LOCK,MCB,MODULE,NODE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<DEBUG>,<>)
SWTCON (<DTELDR>,<PDP8,8,BINARY,DUMP,FE,FESYMB,GO,HELP,LINE,LOAD,LOCK,LSD,MCB,MCBSYS,MCBDMP,MODULE,NODE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<DUMP>,<BINARY,DTELDR,FE,FESYMB,GO,HELP,LINE,LOAD,LOCK,MCB,MCBSYS,MCBDMP,MODULE,NODE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<FE>,<PDP8,8,BINARY,DTELDR,DUMP,FESYMB,GO,HELP,LINE,LOAD,LOCK,LSD,MCB,MCBSYS,MCBDMP,MERGE,MODULE,NODE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<FESYMB>,<PDP8,8,BINARY,CORE,DTELDR,DUMP,FE,GO,HELP,LINE,LOAD,LOCK,LSD,MCB,MCBDMP,MCBSYS,MERGE,NODE,PATCH,PORT,SAVE,STB,SYMBOL,UBA>)
SWTCON (<GO>,<BINARY,DTELDR,DUMP,FE,HELP,LINE,LOAD,LOCK,LSD,MCB,MCBSYS,MCBDMP,MERGE,MODULE,NODE,PORT,RELOCA,SAVE,STB,UBA>)
SWTCON (<HELP>,<11,PDP11,PDP8,8,BINARY,CORE,DTELDR,DUMP,FE,FESYMB,GO,LINE,LOAD,LOCK,LSD,MCB,MCBDMP,MCBSYS,MERGE,MODULE,NODE,PATCH,PDP11,PDP8,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<LA36>,<VT52>)
SWTCON (<LINE>,<BINARY,CORE,DTELDR,DUMP,FE,FESYMB,GO,HELP,LOAD,LSD,MCB,MCBDMP,MCBSYS,MERGE,MODULE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<LOAD>,<>)
SWTCON (<LOCK>,<BINARY,DTELDR,DUMP,FESYMB,GO,HELP,LOAD,LSD,MCBDMP,MCBSYS,MERGE,MODULE,RELOCA,SAVE,STB,SYMBOL>)
SWTCON (<LSD>,<PDP8,8,BINARY,DTELDR,FE,FESYMB,GO,HELP,LINE,LOAD,LOCK,MCB,MCBSYS,MCBDMP,MODULE,NODE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<MCB>,<PDP8,8,BINARY,DTELDR,DUMP,FE,FESYMB,GO,HELP,LINE,LOAD,LSD,MCBSYS,MCBDMP,MERGE,MODULE,NODE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<MCBDMP>,<PDP8,8,BINARY,DTELDR,DUMP,FE,FESYMB,GO,HELP,LINE,LOAD,LOCK,LSD,MCB,MCBSYS,MODULE,NODE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<MCBSYS>,<PDP8,8,BINARY,DTELDR,DUMP,FE,FESYMB,GO,HELP,LINE,LOAD,LOCK,LSD,MCB,MCBDMP,MODULE,NODE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<MERGE>,<FE,FESYMB,GO,HELP,LINE,LOCK,MCB,MCBDMP,MCBSYS,MODULE,NODE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<MODULE>,<11,8,BINARY,CORE,DTELDR,DUMP,FE,FESYMB,GO,HELP,LINE,LOAD,LOCK,LSD,MCB,MCBSYS,MCBDMP,MERGE,NODE,PATCH,PDP11,PDP8,PORT,SAVE,SYMBOL,UBA>)
SWTCON (<NODE>,<BINARY,DTELDR,DUMP,FE,FESYMB,GO,HELP,LOAD,LSD,MCB,MCBSYS,MCBDMP,MERGE,MODULE,PORT,RELOCA,SAVE,STB,SYMBOL,UBA>)
SWTCON (<PATCH>,<FESYMB,HELP,LOAD,SAVE,STB,SYMBOL>)
SWTCON (<PORT>,<PDP8,8,BINARY,CORE,DTELDR,DUMP,FE,FESYM,GO,HELP,LINE,MCB,MCBDMP,MCBSYS,MERGE,NODE,RELOCA,STB,SYMBOL,UBA,LOAD,SAVE>)
SWTCON (<RELOCA>,<>)
SWTCON (<SAVE>,<>)
SWTCON (<STB>,<>)
SWTCON (<SYMBOL>,<11,8,BINARY,CORE,DTELDR,DUMP,FE,FESYMB,GO,HELP,LINE,LOCK,LOAD,LSD,MCB,MCBDMP,MCBSYS,MERGE,NODE,PATCH,PDP11,PDP8,PORT,RELOCA,SAVE,STB,UBA>)
SWTCON (<UBA>,<8,PDP8,BINARY,DTELDR,DUMP,FE,FESYMB,HELP,LINE,LOCK,LOAD,LSD,MCB,MCBDMP,MCBSYS,MERGE,MODULE,NODE,PORT,RELOCA,SAVE,STB,SYMBOL>)
SWTCON (<VT52>,<LA36>)
DEFINE NAMES <
XLIST
X DEF,%IFDEF
X DF,%IFDEF
X E,%IF.EQ
X EQ,%IF.EQ
X ERR,%IFERR
X G,%IF.GT
X GE,%IF.GE
X GT,%IF.GT
X N,%IF.NE
X NDF,%IFNDF
X NE,%IF.NE
X L,%IF.LT
X LE,%IF.LE
X LT,%IF.LT
LIST
>
DEFINE X (A,B),< SIXBIT \A\ >
%IFLST: NAMES
Z
DEFINE X (A,B),< EXP B >
%IFDSP: NAMES
TYPE11: Z ; THE TYPE OF THE -11 WE ARE WORKING ON
FLAG11: Z ; A FLAG BIT FOR THE CPU TYPE
MASK11:
MEMMSK: Z ; THE MASK TO USE WHEN ANDING AN ADDRESS
PDP8F: Z ; NONZERO IF WE DOING PDP8 STYLE
LASTSW: Z ; ROUTINE TO EXECUTE AFTER PARSING OTHER SWITCHES
F.DEBU: Z ; SWITCH TO FLAG EXTRA OUTPUT FOR THE DEBUGGER
F.MSYS: Z ; SWITCH TO FLAG THAT THIS IS AN MCB SYSTEM...
F.DMCB: Z ; SWITCH TO FLAG WRITING AN MCB SYSTEM IMAGE IN $P
F.MCBD: Z ; SWITCH TO FLAG DUMPING A MCB OR DTE DUMP TO DISK
F.MCB: Z ; THE PROGRAM IS LOOKING AT A MCB OF SOME SORT
F.HALT: Z ; THE SIMULATOR DID A HALT...
IFBYTE: Z ; BYTE TO FLAG IF THE IF IS BYTE MODE OR NOT
DAT: Z ; POINTER TO DATA AREA
TYPDAT: Z ; VALUE OF THE LAST TYPE OF DATA WE ARE
; POINTING TO WITH "DAT"
DOTFOO: Z ; IN CASE 32 OR 48 BIT INSTRUCTION
; LH = -1 MEANS MEMORY ADR
; LH = 400000 + BITS 12-17 ARE MODE
DTFINP: Z ; DOTFOO WHILE TYPEING IN STUFF
DOTOLD: Z ; OLD VALUE FOR DOT IN CASE OF ESCAPE CR ETC.
DTFOLD: Z ; KEEP DOTFOO HERE
EXPRES: Z ; BUILD EXPRESSIONS HERE
LSTADR: -1,,Z ;LAST ADDRESS DISPLAYED
LSTIAD: Z ;LAST ADDRESS INPUT
REMAIN: Z ; REMAINDER FROM LAST DIVISION
LFTSAV: Z ; IF LH NONZERO RH PRECEDED <
GOTO: EXP 2 ; STARTING ADDRESS FOR PROGRAM, EVEN, SO 11'S WORK
CORARG: Z ; CORE SIZE USER REQUESTED
SYMPTR: Z ; BYTE POINTER TO FILL SYMBOL
SYMBOL: Z ; CURRENT SYMBOL WE ARE BUILDING
DATA: BLOCK ^D20
SBEGIN: XWD -1,0 ; FIRST ADDRESS FOR SEARCH
S..END: EXP 0 ; LAST ADDRESS FOR SEACRH
S.WORD: EXP 0 ; WORD TO SEARCH FOR
S.MASK: EXP 177777 ; MASK FOR WORD SEARCH
REPEAT MASKSZ,<EXP 0> ; MASK FOR WORD SEARCH
INPOPR: EXP 0 ; INPUT OPERATION (0=+,1=-,2=*,3=',4=!,5=&,6=^X)
PRECED: EXP 0 ; PRECEDENCE OF INPOPR = 0
EXP 0
EXP 1
EXP 1
EXP 2
EXP 2
EXP 2
BYTCNT: XWD 1,1 ; REPETITION COUNTS FOR OUPUT BYTES ETC.
O.MODE: EXP 0 ;OUTPUT MODE LH = PERMANENT, RH = CURRENT
; (0=SYMBOLIC, 1=ADDRESS, 2=NUMERIC, 3=BYTES,
; 4=ASCII TEXT, 5=EBCDIC TEXT, 6=RADIX50)
ORADIX: ^D8,,^D8 ;OUTPUT RADIX
; LH IS PERMANENT SETTING, RH IS CURRENT
ESCSAV: BLOCK 3 ;SAVE BYTCNT ETC HERE IN CASE OF RUBOUT ETC.
ESC.Q.: Z ;USED IF GET AN <ALT>Q
ESCOCT: Z ;USED TO ACCUMULATE OCTAL NUMBER FOR ESCAPE ARG
ESCDEC: Z ;USED TO ACCUMULATE DECIMAL NUMBER FOR ESCAPE ARG
;KEEP A COPY OF CURRENT COMMAND HERE TO RETYPE IT OR RUBOUT CHARS
CMDTKR: Z ;USE TO REPROCESS LINE
CMDLIM: Z ;LIMIT TO RESCAN
CMDPTR: Z ;UES TO FILL COMMAND LINE
CMDLIN: BLOCK <CMDSIZ+4>/5
TTYBIT: EXP TF.RUB ;FLAGS TO DEFINE TYPE OF TERMINAL
FLGSAV: EXP 0 ;SAVE FLAG REGISTER HERE IN CASE OF REENTER
CMDCON: EXP 0 ;COMMAND CONFLICT LOCATION
OSTYPE: Z ;THE FLAG FOR THE TYPE OF OS WE ARE RUNNING
XMSG: BLOCK ^O274/4+1 ; DDCMP Q flush buffer
RETRY: BLOCK 1 ; BOOT retry counter
;PDP11 WORDS ARE STORED IN PDP10 MEMORY AS FOLLOWS
; 1 1 1 1 2 2 2 3
; 0 1 2 9 0 7 8 9 0 7 8 5
; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
; ! ! ! byte 1 ! byte 0 ! ! ! byte 3 ! byte 2 !
; +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
;THE SPARE BITS ARE USED AS A FLAG TO SAY BYTE HAS BEEN USED
; I.E. BYTE WAS READ INTO FROM DUMP OR BINARY FILE OR WRITTEN BY USER
; E.G. IF BYTE 0 IS SET THEN BIT 1 IS SET AS A FLAG
MEMORY: EXP 0 ;ADDRESS OF DUMP MEMORY
MEMLIM: EXP -1 ;HIGHEST LOCATION IN DUMP
; BIT ON IFF BYTE READ OR DEPOSITED
MEMUSE: EXP 0 ;T1,,POINTER TO MEMORY USE TABLE
; FOR EACH BYTE IN SIMULATED MEMORY, BIT WILL
; BE SET IF BYTE SET BY LOAD OR USER
SWTMSK: EXP 0 ; A CONFLICT MASK FOR SWITCHES
BEGREG: EXP 0 ;R0
EXP 0 ;R1
EXP 0 ;R2
EXP 0 ;R3
EXP 0 ;R4
EXP 0 ;R5
EXP 0 ;R6
EXP 0 ;R7
BEG.PS: EXP 0 ;BEGINNING PS
IFNDEF PDLEN,<PDLEN==300>
PDL: BLOCK PDLEN
IFNDEF PATLEN,<PATLEN==100>
PAT..:
PATCH: BLOCK PATLEN
XLIST
LIT
VAR
LIST
DEFINE X (VAL,MASK,NAME,FLAG) <
IFL <VAL-Q>,<PRINTX SYMBOL TABLE MESSED UP
QVAL= Q
>
IFN <<VAL&MASK>-VAL>,<PRINTX SYMBOL TABLE MASK>
Q= VAL
Z= <<FLAG>&SMF.P8>!<<FLAG>&SMF.11>
IFE <<FLAG>&<SMF.P8!SMF.11>>,<Z=1>
IFN Z,<
SIXBIT \NAME\
EXP VAL
XWD FLAG,MASK
SIXBIT \DDT11\
>> ;END OF DEFINE X
Q= 0
SYMBEG: EXP .+2
SYMEND: EXP SYMZZZ
;FOLLOWING IS DYNAMIC STORAGE
; SPACE (IF EXEC MODE)
; MEMORY FOR EXEC MODE USAGE (EPT, UPT, ETC.) POINTED TO BY EPTBLK
; MEMORY USE TABLE (IF READ FILE INTO CORE)
; MEMORY (IF READ FILE INTO CORE)
; SYMBOL TABLE (AT END CAUSE MOST LIKELY TO CHANGE IN SIZE)
INSTRU ; BUILD THE SYMBOL TABLE
SYMZZZ==.
PURGE Z,ZZ,ZZRET,Q,QQ,X,XX,DDBLNK,DDBADR
DDTEND: END DDT11