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merge.mac
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TITLE MERGE MODULE FOR SOUPR
SUBTTL DEFINITIONS
;HANLEY A. STRAPPMAN
SEARCH PRS,JOBDAT,UUOSYM
SALL
TWOSEG
EXTERN PUTC,SIXI,DECO,CRLFO,LKP,NTR,WLDMAT,SWTCH,INDIR
EXTERN DECI,EATS,EATCR,SPCI,PROMPT,PUR
EXTERN STRO,BP,ICH,OCH,LSNI,CI,FNDNAM
EXTERN CPOPJ1,CPOPJ,RST,WILDP,WILDER,EATEOL
EXTERN SAVE1,SAVE2,SAVE3,GETBLK,LSTI,SPCO,CO,OCLS,ICLS
EXTERN WLDCNT,COLON,IREN,SLKP,SWINI
;DEFINE AC'S
F=0 ;FLAGS
CH=12 ;CH NUMBER
A1=13 ;ADR PREVIOUS BLK
A2=A1+1 ;ADR CURRENT BLK
;FLAGS
F.LOG==1 ;LOG FILE NAMES
F.YN==2 ;1=INCLUDE
F.UNC==4 ;1=UNCLUDE
F.XID==10 ;EXCLUDE IDENTICAL EDITS
;ASSEMBLY PARAMETERS
PDLSIZ==100 ;SIZE OF PDL
IFNDEF LINSIZ,<LINSIZ==^D640/5>;SIZE OF COMMAND LINE
IFNDEF CHAN,<CHAN==10> ;COR FILES MERGED AT ONCE
IFNDEF FLAGS,<FLAGS==F.LOG+F.UNC+F.XID>;DEFAULT FLAGS
IFNDEF CLSNM,<CLSNM==0> ;DEFAULT CLOSENESS FACTOR
;CH USAGE
;0 TO CHAN-1 INPUT
O==CHAN ;OUTPUT
;ADDITIONS TO SPEC BLOCK
.SBNCL==SPCSIZ ;ADR OF /INCLUDE CHAIN
.SBXCL==.SBNCL+1 ;ADR OF /EXCLUDE CHAIN
MYSIZ==SPCSIZ+2 ;TOTAL SIZE
SUBTTL EDIT HISTORY
VEDIT==1 ;COMPLETE VMAJOR=2 AUG 77
VEDIT==2 ;SUPPORT LINE SEQUENCE NUMBERS 9-17-77
VEDIT==3 ;ADD /UNCLUD/UXCLUD 9-17-77
VEDIT==4 ;FIX BUG CREATED BY /UNCLUD 10-10-77
VEDIT==5 ;CHANGE SYMBOL NAMES TO FOLLOW CONVENTION 10-14-77
VEDIT==6 ;ADD ERROR RETURN TO OCLS 10-15-77
VEDIT==7 ;CHANGE FROM WILD TO WILDER 10-15-77
VEDIT==10 ;WILDCARDS NOT EXPANDED FOR OUTPUT FILE 1-24-81
VEDIT==11 ;EXCLUDE IDENTICAL EDITS 9-14-81
VEDIT==12 ;INDIRECT FILES
VEDIT==13 ;TYPE OUT HOW MANY CONFLICTS 11-30-82
VEDIT==14 ;SWITCH.INI 6-18-83
VWHO==0
VMAJOR==2
VMINOR==0
LOC .JBVER
BYTE (3)VWHO(9)VMAJOR(6)VMINOR(18)VEDIT
SUBTTL INITIALIZATION
RELOC 400000
MERGE: JFCL ;NO CCL
MOVE P,[IOWD PDLSIZ,PDL] ;SETUP PDL
PUSHJ P,RST ;RESET
MOVEI T1,CLSNM ;DEFAULT CLOSENESS
MOVEM T1,CLSNUM
MOVEI F,FLAGS ;DEFAULT FLAGS
MOVE P2,[XWD -SWIL,SWN] ;READ SWITCH.INI
MOVEI P3,SWX
PUSHJ P,SWINI
JFCL
MOVEM F,SAVFLG ;SAVE FLAGS
MOVE T1,CLSNUM ;SAVE CLOSENESS
MOVEM T1,SAVCLS
COMMAN: PUSHJ P,RST ;RESET
SETZM ZER ;ZERO CORE
MOVE T1,[XWD ZER,ZER+1]
BLT T1,ZER+ZERSIZ-1
PUSHJ P,PARSE ;PARSE THE COMMAND LINE
JRST COMMAN
SUBTTL PARSE THE COMMAND LINE
PARSE: MOVEI P1,COMLIN-.SBNCL ;IN CASE /NCL/XCL AT PROMPT LEVEL
MOVE P2,[XWD -SWL,SWN] ;PROMPT USER
MOVEI P3,SWX
PUSHJ P,PROMPT
POPJ P,
PUSHJ P,INDIR ;DO INDIRECT FILES
MOVE T1,[XWD HGH,LOW] ;COPY NON-NULL DATA
BLT T1,LOW+LOWSIZ-1
MOVE F,SAVFLG ;DEFAULT FLAGS
MOVE T1,SAVCLS ;DEFAULT CLOSENESS
MOVEM T1,CLSNUM
PUSHJ P,PURSPC ;PURGE OLD FILESPECS
PJOB T2, ;MAKE TEMP SPEC UNIQUE
IDIVI T2,^D10
MOVE T1,T2
IDIVI T1,^D10
LSH T1,6
ADD T1,T2
LSH T1,6
ADD T1,T3
ADDM T1,TMPSPC+.SBNAM
MOVEI P1,OSPC ;PASS ADR O SPC
PUSHJ P,SPCI ;GET OUTPUT SPC
POPJ P,
PUSHJ P,EATS ;EAT EQUAL
POPJ P,
CAIE C,"="
FATAL MERSYN,<Syntax error>
PUSHJ P,CI
POPJ P,
MOVEI P1,ASPC ;PARSE THE LIST OF INPUT SPECS
MOVEI P4,APAT
PUSHJ P,SPCSI
POPJ P,
PUSHJ P,EATCR ;TEST FOR BREAK CHAR
POPJ P,
PUSHJ P,BP
FATAL MERSYN,<Syntax error>
MOVEI P1,OSPC ;IS OUTPUT WILD?
PUSHJ P,WILDP
JRST NOTWLD ;NO
MOVE P1,ASPC ;FIND A WILD INPUT
MERLOP: PUSHJ P,WILDP
CAIA
JRST WLDER
HRRZ P1,.SBNXT(P1)
JUMPN P1,MERLOP
MOVE P1,ASPC ;NONE, JUST USE 1ST
;HERE WITH P1=ADR OF THE WILD INPUT SPC
WLDER: MOVEI P2,WR ;DO WR FOR EACH FILE
PUSHJ P,WILDER
JFCL
JRST DONE
;ROUTINE TO MATCH EACH SPC WITH THE WILD SPC
;AND FEED THEM INTO MAIN
WR: PUSHJ P,SAVE3 ;SAVE P1-P3
SETOM CHS ;0 CH'S USED SO FAR
MOVE P2,ASPC ;ADR 1ST INPUT SPC
MOVEI P3,ASPC2
WRLOP: PUSHJ P,WLDMAT ;MATCH WILDCARDS
EXCH P1,P3 ;MAIN WANTS IN P1
PUSHJ P,MAIN ;DO MAIN
POPJ P,
EXCH P1,P3 ;PUT P1 BACK
HRRZ P2,.SBNXT(P2) ;FOLLOW LINK TO NEXT SPC
JUMPN P2,WRLOP ;LOOP UNTIL NONE LEFT
MOVEI P2,OSPC ;MATCH OUTPUT TO INPUT
MOVEI P3,OSPC2
PUSHJ P,WLDMAT
MOVEI P1,OSPC2 ;DO EVERYTHING THAT'S LEFT
JRST DOIT
;HERE WHEN OUTPUT IS NOT WILD
NOTWLD: SETOM CHS ;0 CH'S USED SO FAR
MOVE P1,ASPC ;FEED EACH SPC INTO WILD
MOVEI P2,MAIN ;WILD FEEDS THEM TO MAIN
NTWLD1: PUSHJ P,WILDER
JFCL
HRRZ P1,.SBNXT(P1)
JUMPN P1,NTWLD1
MOVEI P1,OSPC ;DO EVERYTHING THAT'S LEFT
PUSHJ P,DOIT
JFCL
;HERE TO DELETE TMP FILE
DONE: MOVEI T1,1 ;ISELECT
MOVEM T1,ICH
MOVEI P1,TMPSPC ;LOOKUP TMP FILE
PUSHJ P,SLKP
POPJ P, ;NONE
SETZM TMPSPC+.SBNAM ;DELETE TMP FILE
PUSHJ P,IREN
JFCL
POPJ P,
SUBTTL SWITCHES
DEFINE SW,<
X LOG,<TRO F,F.LOG>
X NOLOG,<TRZ F,F.LOG>
X CLOSE,<PUSHJ P,CLOS>
X UNCLUD,<TRO F,F.UNC>
X UXCLUD,<TRZ F,F.UNC>
X XID,<TRO F,F.XID>
X NOXID,<TRZ F,F.XID> ;;LAST SWITCH IN SWITCH.INI
X EXIT,<JRST EXT##>
X HELP,<PUSHJ P,HELPER##>
X NCLUDE,<PUSHJ P,INCLUD>
X XCLUDE,<PUSHJ P,EXCLUD>
>
DEFINE X(A,B),<
SIXBIT /A/
>
SWN: SW
SWL=.-SWN
SWIL==7 ;NUMBER OF SWITCHES IN SWITCH.INI
DEFINE X(A,B),<
B
>
SWX: SW
;/INCLUDE SWITCH
INCLUD: PUSHJ P,SAVE1 ;SAVE P1
MOVEI T1,.SBNCL(P1) ;HE CHANGED HIS MIND, PURGE OLD CORE
PUSHJ P,PUR
PUSHJ P,COLON ;EAT COLON
JRST CPOPJ1
PUSHJ P,LSTI ;GET A SIXBIT LIST
JRST CPOPJ1 ;LOOSE
MOVE T1,-1(P) ;STORE ADR
MOVEM P1,.SBNCL(T1)
POPJ P, ;WIN
;/EXCLUDE SWITCH
EXCLUD: PUSHJ P,SAVE1 ;SAVE P1
MOVEI T1,.SBXCL(P1) ;HE CHANGE HIS MIND, PURGE OLD CORE
PUSHJ P,PUR
PUSHJ P,COLON ;EAT COLON
JRST CPOPJ1
PUSHJ P,LSTI ;GET A SIXBIT LIST
JRST CPOPJ1 ;LOOSE
MOVE T1,-1(P) ;STORE ADR
MOVEM P1,.SBXCL(T1)
POPJ P, ;WIN
;/CLOSE:N SWITCH
CLOS: PUSHJ P,COLON ;EAT COLON
JRST CPOPJ1
PUSHJ P,DECI ;GET ARG
JRST CPOPJ1
MOVEM T1,CLSNUM ;STORE IT
POPJ P,
;ROUTINE TO PARSE A STRING OF FILE SPECS
;P1 PASSES ADDR TO STORE POINTER TO LIST
;P2+P3 PASS SWITCH ARGS
;P4 PASSES ADDR OF DEFAULT SPEC
SPCSI: HLRZ T1,.SBSIZ(P4) ;GET CORE FOR ANOTHER SPC
PUSHJ P,GETBLK
POPJ P,
MOVE T1,T2 ;COPY DEFAULT SPEC
HRL T1,P4
BLT T1,SPCSIZ-1(T2)
SETZM .SBNCL(T2) ;/NCL NOT STICKY
SETZM .SBXCL(T2) ;/XCL NOT STICKY
HLLZS .SBNXT(T2) ;APPEND TO LINKED LIST
HRRM T2,.SBNXT(P1)
MOVE P1,T2 ;POINT TO NEW SPEC
MOVE P4,P1 ;NEW SPEC WILL BE DEFAULT NEXT TIME
PUSHJ P,SPCI ;GET FILE SPEC
POPJ P,
PUSHJ P,SWTCH ;DO SWITCHES
POPJ P,
PUSHJ P,EATS ;ANOTHER SPC COMING?
POPJ P,
CAIE C,","
JRST CPOPJ1 ;NO
PUSHJ P,CI ;YES, EAT THE COMMA
POPJ P,
JRST SPCSI ;GO GET THE SPC
;ROUTINE TO PURGE OLD FILSPECS
PURSPC: PUSHJ P,SAVE1 ;SAVE P1
MOVEI P1,ASPC
PRSPC1: HRRZ P1,(P1)
JUMPE P1,PRSPC2
MOVEI T1,.SBNCL(P1) ;PURGE NCLUDE LIST
PUSHJ P,PUR
MOVEI T1,.SBXCL(P1) ;PURGE XCLUDE LIST
PUSHJ P,PUR
JRST PRSPC1
PRSPC2: MOVEI T1,ASPC ;PURGE FILESPECS THEMSELVES
PJRST PUR
SUBTTL MAINSTREAM
TOOMNY: PUSHJ P,DONOW ;DO WHAT WE GOT SO FAR
POPJ P,
;ENTER HERE
MAIN: AOS WLDCNT ;BUMP WILD COUNT
MOVE CH,CHS ;TOO MANY?
CAIN CH,CHAN-1
JRST TOOMNY ;YES
ADDI CH,1 ;BUMP COUNT
MOVEM CH,CHS
MOVE T1,.SBNCL(P1) ;STORE INCLUDE SWITCH
MOVEM T1,NCLD(CH)
MOVE T1,.SBXCL(P1) ;STORE EXCLUDE SWITCH
MOVEM T1,XCLD(CH)
MOVE T1,CH ;STORE REST OF SPC
IMULI T1,SPCSIZ
ADDI T1,SPCS
MOVEI T2,SPCSIZ-1(T1)
HRL T1,P1
BLT T1,(T2)
JRST CPOPJ1
DONOW: PUSHJ P,SAVE1 ;SAVE P1
MOVEI P1,TMPSPC ;OUTPUT=TEMP FILE
PUSHJ P,DOIT ;DO A MERGE
POPJ P,
SETOM CHS ;CLEAR COUNT
JRST MAIN ;FEED TEMP FILE BACK INTO INPUT
DOIT: PUSHJ P,DOALL ;MERGE OUTPUT=INPUT
JRST DOIT0
JRST CPOPJ1
DOIT0: TRNN C,IO.EOF ;REAL ERROR OR JUST EOF?
POPJ P, ;ERROR
ERR ER.EAT,"?",MEREOF,<Premature EOF>
DOALL: PUSHJ P,SAVE1 ;SAVE P1
MOVE T1,SPCS+.SBNAM ;OUTPUT DEFAULT TO INPUT
SKIPN .SBNAM(P1)
MOVEM T1,.SBNAM(P1)
PUSHJ P,LOG ;DO LOGGING
POPJ P,
MOVEI T1,O ;ENTER OUTPUT
MOVEM T1,OCH
PUSHJ P,NTR
POPJ P,
MOVE CH,CHS ;LOOP COUNT
INILOP: MOVEM CH,ICH ;ISELECT IT
MOVE P1,CH ;LOOK IT UP
IMULI P1,SPCSIZ
ADDI P1,SPCS
PUSHJ P,LKP
POPJ P,
SETZM CHKSUM(CH) ;CLEAR CHECKSUM
PUSHJ P,PRS ;PARSE 1ST COMMAND
POPJ P,
PUSHJ P,PARS ;PARSE 2ND COMMAND
POPJ P,
SOJGE CH,INILOP ;LOOP FOR EACH CH
SETZM LSTSEQ ;POINT TO TOP OF FILE
SETZM CFLG ;CLEAR CONFLICT FLAG
SETZM CNUM ;RESET CONFLICT COUNT
LOOP: MOVE CH,CHS ;ALL CH'S AT EOF?
SKIPN CHKSM(CH)
JRST NOTDON ;NO
SOJGE CH,.-2
;HERE WHEN MERGE IS DONE
PUSHJ P,EC ;END CONFLICT
POPJ P,
MOVE T1,CHKSM ;ALL CH'S SAME CHECKSUM?
MOVE CH,CHS
CAME T1,CHKSM(CH)
FATAL MERSUM,<Checksum error>
SOJG CH,.-2
MOVEI T1,[ASCIZ / SUM /] ;OUTPUT CHECKSUM COMMAND
PUSHJ P,STRO
POPJ P,
MOVE T1,CHKSM
PUSHJ P,DECO
POPJ P,
PUSHJ P,CRLFO
POPJ P,
PUSHJ P,OCLS ;CLOSE OUTPUT
JFCL
MOVE CH,CHS ;CLOSE ALL INPUT
MOVEM CH,ICH
PUSHJ P,ICLS
SOJGE CH,.-2
MOVEI T1,MRFLT
SKIPE CNUM ;CONFLICTS?
PUSHJ P,VERBO
JRST CPOPJ1
MRFLT2
MRFLT1
MRFLT: VB 0,"%",MERFLT,<^ Conflict^>
MRFLT1: MOVE T1,CNUM
PJRST DECO
MRFLT2: MOVEI C,"s"
MOVE T1,CNUM
CAIE T1,1
PJRST CO
POPJ P,
;HERE WITH A CH THAT HASN'T REACHED EOF
NOTDON: MOVE T1,CHS ;FIND CH WITH LOWEST SEQ
NOTDN2: SKIPE CHKSM(T1)
JRST NOTDN1
MOVE T2,SQ(CH)
CAMLE T2,SQ(T1)
MOVE CH,T1
NOTDN1: SOJGE T1,NOTDN2
SKIPN T1,LSTSEQ ;CONFLICT WITH PREVIOUS COR?
JRST NOTDN3
ADD T1,CLSNUM
CAML T1,SQ(CH)
JRST CNFLCT ;YES
NOTDN3: MOVE T1,ESQ(CH) ;SEQ OF LAST LINE AFFECTED
MOVEM T1,LSTSEQ ;SAVE FOR NEXT TIME
ADD T1,CLSNUM ;PLUS CLOSENESS FACTOR
SKIPE CHKSUM(CH) ;CONFLICT WITH NEXT COR?
JRST NOTDN4
CAML T1,SEQ(CH)
JRST CNFLCT ;YES
NOTDN4: MOVE T2,CHS ;CONFLICT WITH OTHER CH'S?
NOTDN5: CAME T2,CH
SKIPE CHKSM(T2)
JRST NOTDN6
CAML T1,SQ(T2)
JRST CNFLCT ;YES
NOTDN6: SOJGE T2,NOTDN5
JRST OK ;NO
;HERE WHEN THERE IS A CONFLICT
CNFLCT: PUSHJ P,BC ;BEGIN CONFLICT
POPJ P,
JRST NOCARE
;HERE WHEN CONFLICT CHECK IS OK
OK: PUSHJ P,EC ;END CONFLICT
POPJ P,
NOCARE: MOVEI C," " ;COMMAND PREFIX
PUSHJ P,PUTC
POPJ P,
MOVEI A1,COMLN(CH) ;OUTPUT THE COMMAND
PUSHJ P,PUTA
POPJ P,
MOVEI A1,DELLN(CH) ;OUTPUT TEXT TO DELETE
PUSHJ P,PUTA
POPJ P,
SKIPE DELLN(CH) ;DELIMIT IF REPLACE
SKIPN INSLN(CH)
JRST .+4
MOVEI T1,[ASCIZ / WIT
/]
PUSHJ P,STRO
POPJ P,
MOVEI A1,INSLN(CH) ;OUTPUT TEXT TO INSERT
PUSHJ P,PUTA
POPJ P,
PUSHJ P,PARS ;PARSE NEXT COMMAND
POPJ P,
JRST LOOP
SUBTTL CONFLICT MESSAGES
;ROUTINE TO TYPE BEGIN CONFLICT MESSAGE IF NEEDED
BC: SKIPE CFLG ;ALREADY FLAGED IT?
JRST CPOPJ1 ;YES, IGNORE IT
SETOM CFLG ;NO, FLAG NOW
AOS CNUM ;COUNT IT
MOVEI T1,[ASCIZ / ;***BEGINNING OF CONFLICT /]
JRST BEC
;ROUTINE TO TYPE END CONFLICT MESSAGE IF NEEDED
EC: SKIPN CFLG ;WAS PREVIOUS ONE A CONFLICT?
JRST CPOPJ1 ;NO, GOOD
SETZM CFLG ;YES, CLEAR FLAG
MOVEI T1,[ASCIZ / ;***END OF CONFLICT /]
BEC: PUSHJ P,STRO
POPJ P,
MOVE T1,CNUM ;SAY WHICH CONFLICT
PUSHJ P,DECO
POPJ P,
MOVEI T1,[ASCIZ /***
/]
JRST STRO
SUBTTL PARSE
;ROUTINE TO LOOKAHEAD ON COMMAND
;I.E. PARSE AN EXTRA COMMAND AND STORE IT IN CORE
PARS: PUSHJ P,PURGE2 ;RECLAIM LEFTOVER CORE
MOVE T1,COMLIN(CH) ;COPY OLD LOOKAHEAD TO BUF
MOVEM T1,COMLN(CH)
SETZM COMLIN(CH)
MOVE T1,DELLIN(CH)
MOVEM T1,DELLN(CH)
SETZM DELLIN(CH)
MOVE T1,INSLIN(CH)
MOVEM T1,INSLN(CH)
SETZM INSLIN(CH)
MOVE T1,SEQ(CH)
MOVEM T1,SQ(CH)
MOVE T1,ESEQ(CH)
MOVEM T1,ESQ(CH)
MOVE T1,CHKSUM(CH)
MOVEM T1,CHKSM(CH)
PUSHJ P,PRS ;PARSE NEW LOOKAHEAD
POPJ P,
SKIPE CHKSUM(CH) ;OLD BEFORE NEW
JRST CPOPJ1
MOVE T1,SQ(CH)
CAMLE T1,SEQ(CH)
FATAL MEROOO,<Out of order>
JRST CPOPJ1
;ROUTINE TO PARSE A COMMAND FROM COR FILE
PRS: SKIPE CHKSUM(CH) ;READ CHECKSUM ALREADY?
JRST CPOPJ1 ;YES, NO FURTHER
PUSHJ P,PURGE ;RECLAIM LEFTOVER CORE
MOVEM CH,ICH ;ISELECT
PUSHJ P,LSNI ;GET 1ST CHAR
POPJ P,
PUSHJ P,EATS ;EAT SPACES
POPJ P,
MOVEI A1,COMLIN(CH) ;GET A COMMAND
PUSHJ P,GETA
POPJ P,
HRRZ T1,COMLIN(CH) ;ISELECT CORE
ADD T1,[POINT 7,1]
MOVEM T1,ICH
ILDB C,ICH ;GET 1ST CHAR
CAIN C,";" ;COMMENT?
JRST PRS ;YES, EAT IT
PUSHJ P,SIXI ;GET CMD NAME
POPJ P,
MOVE T2,[XWD -CMDL,CMDN] ;FIND IN TABLE
PUSHJ P,FNDNAM
POPJ P,
PUSHJ P,@CMDX(T2) ;DISPATCH IT
POPJ P,
PUSHJ P,XID ;EXCLUDE IDENTICAL EDITS
TRNN F,F.YN ;INCLUDE?
JRST PRS ;NO, EAT IT
JRST CPOPJ1
;ROUTINE TO EXCLUDE IDENTICAL EDITS
XID: TRNE F,F.XID ;SHOULD WE?
TRNN F,F.YN ;DON'T BOTHER IF CONDITIONAL IS OFF
POPJ P,
SKIPE CHKSUM(CH) ;EOF?
POPJ P, ;YES
PUSHJ P,SAVE1 ;SAVE P1
MOVE P1,CHS ;SETUP LOOP
XID3: CAMN CH,P1 ;DON'T COMPARE AGAINST SELF
JRST XID1
MOVE T1,SEQ(CH) ;SAME SEQUENCE NUMBER?
SKIPN CHKSUM(P1) ;AND NOT EOF?
CAME T1,SEQ(P1)
JRST XID1 ;NOT EQUAL
MOVEI A1,INSLIN(CH) ;INSERT IDENTICAL?
MOVEI A2,INSLIN(P1)
PUSHJ P,CMPLNS
JRST XID1
MOVEI A1,DELLIN(CH) ;DELETE IDENTICAL?
MOVEI A2,DELLIN(P1)
PUSHJ P,CMPLNS
JRST XID1
MOVE T1,COMLIN(CH) ;OUR EDIT NAME
MOVE T2,COMLIN(P1) ;HIS EDIT NAME
CAMGE CH,P1 ;WHICH IS THE LATER FILE?
EXCH T1,T2 ;HE IS, GIVE HIM OUR NAME
MOVEM T1,COMLIN(CH) ;OUR EDIT NAME (TO BE CHUCKED)
MOVEM T2,COMLIN(P1) ;HIS EDIT NAME (TO BE RETAINED)
TRZ F,F.YN ;CHUCK OUR EDIT
POPJ P,
XID1: MOVE T1,SEQ(CH) ;SAME SEQUENCE NUMBER?
SKIPN CHKSM(P1) ;AND NOT EOF?
CAME T1,SQ(P1)
JRST XID2 ;NOT EQUAL
MOVEI A1,INSLIN(CH) ;INSERT IDENTICAL?
MOVEI A2,INSLN(P1)
PUSHJ P,CMPLNS
JRST XID2
MOVEI A1,DELLIN(CH) ;DELETE IDENTICAL?
MOVEI A2,DELLN(P1)
PUSHJ P,CMPLNS
JRST XID2
MOVE T1,COMLIN(CH) ;OUR EDIT NAME
MOVE T2,COMLN(P1) ;HIS EDIT NAME
CAMGE CH,P1 ;WHICH IS THE LATER FILE?
EXCH T1,T2 ;HE IS, GIVE HIM OUR NAME
MOVEM T1,COMLIN(CH) ;OUR EDIT NAME (TO BE CHUCKED)
MOVEM T2,COMLN(P1) ;HIS EDIT NAME (TO BE RETAINED)
TRZ F,F.YN ;CHUCK OUR EDIT
POPJ P,
XID2: SOJGE P1,XID3 ;LOOP FOR EACH FILE
POPJ P,
;ROUTINE TO COMPARE TEXT
;A1 PASSES ADDR OF ADDR OF 1ST LINE OF 1ST FILE
;A2 PASSES ADDR OF ADDR OF 1ST LINE OF 2ND FILE
;SKIP IF IDENTICAL
CMPLNS: HRRZ A1,(A1) ;STEP TO NEXT LINE
HRRZ A2,(A2)
SKIPN A1 ;QUIT IF BOTH ZERO
JUMPE A2,CPOPJ1
JUMPE A1,CPOPJ ;ERROR IF ONLY A1 ZERO
JUMPE A2,CPOPJ ;ERROR IF ONLY A2 ZERO
HLRZ T1,(A1) ;ERROR IF UNEQUAL LENGTH
HLRZ T2,(A2)
CAME T1,T2
POPJ P,
CMPLN1: SOJE T1,CMPLNS ;IF COUNT EXPIRE DO NEXT LINE
MOVE T2,A1 ;GET WORD FROM 1ST FILE
ADD T2,T1
MOVE T2,(T2)
MOVE T3,A2 ;SAME AS 2ND FILE?
ADD T3,T1
CAME T2,(T3)
POPJ P, ;NO, RETURN IMMEDIATELY
JRST CMPLN1 ;YES, KEEP CHECKING
;CHECKSM COMMAND
SUM: PUSHJ P,DECI ;GET CHECKSUM
POPJ P,
MOVEM T1,CHKSUM(CH)
JRST COMI ;EAT COMMENTS
;INSERT COMMAND
INS: PUSHJ P,SEQI ;GET STARTING LINE
POPJ P,
MOVE T1,SEQ(CH) ;IS ENDING LINE TOO
MOVEM T1,ESEQ(CH)
INS2: MOVEI A1,INSLIN(CH) ;GET TEXT TO INSERT
JRST GETAS
;DELETE COMMAND
DEL: PUSHJ P,SEQI ;GET STARTING LINE
POPJ P,
MOVEI A1,DELLIN(CH) ;GET TEXT TO DELETE
PUSHJ P,GETAS
POPJ P,
MOVE T1,SAVSEQ ;ENDING LINE
MOVEM T1,ESEQ(CH)
JRST CPOPJ1
;REPLACE COMMAND
REP: PUSHJ P,DEL ;DO DELETE STUFF
POPJ P,
PUSHJ P,EATEOL ;EAT THE DELIMITER
POPJ P,
JRST INS2 ;DO THE INSERT STUFF
;ROUTINE TO PARSE SEQUENCE NUMBERS
SEQI: PUSHJ P,DECI ;GET LINE NUMBER
POPJ P,
HRRZM T1,SEQ(CH)
PUSHJ P,EATS ;EAT SLASH
POPJ P,
CAIE C,"/"
FATAL MERSYN,<Syntax error in COR file>
PUSHJ P,CI
POPJ P,
PUSHJ P,DECI ;GET PAGE NUMBER
POPJ P,
HRLM T1,SEQ(CH)
;FALL TO COMI
;ROUTINE TO LOAD COMMENTS
COMI: TRZ F,F.YN ;ASSUME EXCLUDE
TRNE F,F.UNC ;UNCLUDE?
TRO F,F.YN ;OOPS, INCLUDE
PUSHJ P,EATCR ;BREAK CHAR?
POPJ P,
PUSHJ P,BP
CAIA
JRST CPOPJ1 ;YES
CAIE C,";" ;NO, COMMENT?
FATAL MERSYN,<Syntax error in COR file>
PUSHJ P,CI ;YES, EAT THE SEMI
POPJ P,
PUSHJ P,SIXI ;GET NAME
POPJ P,
TRO F,F.YN ;ASSUME INCLUDE
SKIPN T2,NCLD(CH) ;INCLUDE SWITCH?
JRST NONCLD ;NO
NCLDLP: MOVE T3,1(T2) ;YES, GET AN ITEM
XOR T3,T1 ;MATCHES?
ANDCM T3,2(T2)
JUMPE T3,CPOPJ1 ;YES, INCLUDE
HRRZ T2,(T2) ;ADVANCE TO NEXT ITEM
JUMPN T2,NCLDLP ;LOOP UNTIL NONE LEFT
TRZ F,F.YN ;NONE LEFT, EXCLUDE
NONCLD: SKIPN T2,XCLD(CH) ;EXCLUDE SWITCH?
JRST CPOPJ1 ;NO
TRZ F,F.YN ;YES, ASSUME EXCLUDE
XCLDLP: MOVE T3,1(T2) ;GET AN ITEM
XOR T3,T1 ;MATCHES?
ANDCM T3,2(T2)
JUMPE T3,CPOPJ1 ;YES, EXCLUDE
HRRZ T2,(T2) ;ADVANCE TO NEXT ITEM
JUMPN T2,XCLDLP ;LOOP UNTIL NONE LEFT
TRO F,F.YN ;NONE LEFT, INCLUDE
JRST CPOPJ1
DEFINE CMD,<
X DELETE,DEL
X INSERT,INS
X REPLAC,REP
X SUM,SUM
> ;END OF CMD
DEFINE X(A,B),<
SIXBIT /A/
>
CMDN: CMD
CMDL=.-CMDN
DEFINE X(A,B),<
B
>
CMDX: CMD
SUBTTL INPUT ROUTINES
;ROUTINE TO GET SEVERAL LINES
;A1 PASSES ADR TO STORE ADR OF LINKAGE LIST
GETAS: MOVEM CH,ICH ;ISELECT
MOVE T1,SEQ(CH) ;SAVE INITIAL SEQ
MOVEM T1,SAVSEQ
GTSLP: MOVEM T1,DSEQ ;STORE RUNNING SEQ
PUSHJ P,LSNI ;GET 1ST CHAR
POPJ P,
CAIN C," " ;NEW COMMAND?
JRST CPOPJ1 ;YES
PUSHJ P,GETA ;NO, INPUT A LINE
POPJ P,
MOVE A1,A2 ;ADVANCE PNTR
MOVE T1,DSEQ ;SAVE THE SEQ
MOVEM T1,SAVSEQ
ADDI T1,1 ;BUMP LINE COUNT
CAIE C,14 ;FORM FEED?
JRST GTSLP ;NO
TRZ T1,-1 ;YES, BUMP PAGE COUNT
AOBJP T1,GTSLP
;ROUTINE TO GET A LINE
;A1 PASSES ADR TO STORE ADR OF LINE
;ENTER WITH 1ST CHAR ALREADY IN C
;A2 RETURNS ADR OF LINE
GETA: PUSHJ P,SAVE2 ;SAVE P1-P2
MOVE P1,[POINT 7,LINE] ;BP TO BLK
MOVEI P2,LINSIZ*5-1 ;CHAR COUNT
GETLP: IDPB C,P1 ;STORE THE CHAR
PUSHJ P,BP ;BREAK CHAR?
CAIA ;NO
JRST GETDN ;YES, QUIT
PUSHJ P,LSNI ;GET ANOTHER
POPJ P,
SOJG P2,GETLP ;COUNT IT
ERR ER.EAT,"?",MERLTL,<Line too long>
GETDN: SETZ T1, ;MAKE ASCIZ
GETDN1: IDPB T1,P1
TLNE P1,760000
JRST GETDN1
SUBI P1,LINE ;LENGHT-1
HRRZI T1,2(P1) ;GET SOME CORE
PUSHJ P,GETBLK
POPJ P,
MOVE A2,T2 ;ADR IN A2
HRRM A2,(A1) ;LINK TO LIST
ADDI T1,-1(A2) ;ADR LAST WORD
ADDI T2,1 ;BLT LINE TO BLK
HRLI T2,LINE
BLT T2,(T1)
JRST CPOPJ1
SUBTTL OUTPUT ROUTINES
;ROUTINE TO OUTPUT SEVERAL LINES
;A1 PASSES ADR OF ADR OF LINKAGE LIST
PUTA: HRRZ A1,(A1) ;ADR NEXT BLK
JUMPE A1,CPOPJ1 ;QUIT IF NONE
MOVEI T1,1(A1) ;OUTPUT THE LINE
PUSHJ P,STRO
POPJ P,
JRST PUTA ;TRY ANOTHER
SUBTTL CORE RECLAIMATION
;ROUTINE TO RECLAIM CORE FROM LOOKAHEAD
PURGE: MOVEI T1,COMLIN(CH) ;COMMAND TEXT
PUSHJ P,PUR
MOVEI T1,DELLIN(CH) ;DELETE TEXT
PUSHJ P,PUR
MOVEI T1,INSLIN(CH) ;INSERT TEXT
JRST PUR
;ROUTINE TO RECLAIM CORE FROM CURRENT COMMAND
PURGE2: MOVEI T1,COMLN(CH) ;COMMAND TEXT
PUSHJ P,PUR
MOVEI T1,DELLN(CH) ;DELETE TEXT
PUSHJ P,PUR
MOVEI T1,INSLN(CH) ;INSERT TEXT
JRST PUR
SUBTTL LOGGING
LOG: TRNN F,F.LOG ;LOGGING?
JRST CPOPJ1 ;NO
PUSHJ P,SAVE1 ;SAVE P1
SETOM OCH ;OSELECT TTY
PUSHJ P,CRLFO
POPJ P,
PUSHJ P,SPCO ;TYPE THE OUTPUT SPC
POPJ P,
MOVEI C,"="
PUSHJ P,CO
POPJ P,
MOVE CH,CHS ;LOOP COUNT
MOVEI P1,SPCS ;ADR 1ST SPC
LOGLOP: PUSHJ P,SPCO ;TYPE THE SPC
POPJ P,
JUMPE CH,CPOPJ1 ;QUIT IF LAST
MOVEI C,"," ;COMMA
PUSHJ P,CO
POPJ P,
ADDI P1,SPCSIZ ;NEXT SPC
SOJA CH,LOGLOP
SUBTTL DATA AREAS
;PROTOTYPE INPUT SPEC
APAT: XWD MYSIZ,0 ;SIZE OF BLK
SIXBIT /DSK/ ;DEVICE
0 ;DEVICE MASK
BLOCK SFDS+1 ;PPN&SFDS
IFN SFDS,<0>
BLOCK SFDS+1 ;PPN&SFDS MASKS
0 ;FILENAME
0 ;FILENAME MASK
SIXBIT /COR/ ;EXTENSION
.IOASC ;ASCII MODE
LIT ;PUT LITERALS IN HISEG
RELOC 0 ;SWITCH TO LOWSEG
PDL: BLOCK PDLSIZ ;PUSH DOWN LIST
DSEQ: BLOCK 1 ;DONE SEQ
SAVSEQ: BLOCK 1 ;SAVE AREA FOR DSEQ
CHKSUM: BLOCK CHAN ;LOOKAHEAD CHECKSUM
SEQ: BLOCK CHAN ;LOOKAHEAD STARTING SEQ
ESEQ: BLOCK CHAN ;LOOKAHEAD ENDING SEQ
CHKSM: BLOCK CHAN ;CHECKSUM
SQ: BLOCK CHAN ;STARTING SEQ
ESQ: BLOCK CHAN ;ENDING SEQ
NCLD: BLOCK CHAN ;ADR INCLUDE CHAIN
XCLD: BLOCK CHAN ;ADR EXCLUDE CHAIN
SPCS: BLOCK CHAN*SPCSIZ ;FILE SPECS
ASPC2: BLOCK MYSIZ ;A SPC, WITHOUT WILDCARDS
OSPC2: BLOCK SPCSIZ ;O SPC, WITHOUT WILDCARDS
LINE: BLOCK LINSIZ ;AN ASCIZ LINE
CFLG: BLOCK 1 ;CONFLICT FLAG
CNUM: BLOCK 1 ;CONFLICT NUMBER
CHS: BLOCK 1 ;HIGHEST INPUT CH IN USE
LSTSEQ: BLOCK 1 ;SEQ OF LAST LINE AFFECTED
SAVFLG: BLOCK 1 ;FLAGS FROM SWITCH.INI
SAVCLS: BLOCK 1 ;CLOSENESS FROM SWITCH.INI
CLSNUM: BLOCK 1 ;HOW CLOSE BEFORE CONFLICT
ZER:! ;BEGIN REGION TO BE ZEROED
ASPC: BLOCK 1 ;ADDR OF 1ST INPUT SPEC
INSLIN: BLOCK CHAN ;ADR OF LOOKAHEAD INSERT TEXT
DELLIN: BLOCK CHAN ;ADR OF LOOKAHEAD DELETE TEXT
COMLIN: BLOCK CHAN ;ADR OF LOOKAHEAD COMMAND TEXT
INSLN: BLOCK CHAN ;ADR OF INSERT TEXT
DELLN: BLOCK CHAN ;ADR OF DELETE TEXT
COMLN: BLOCK CHAN ;ADR OF COMMAND TEXT
ZERSIZ==.-ZER ;END REGION TO BE ZEROED
LOW: ;NON-NULL DATA
RELOC ;BACK TO HIGHSEG
HGH: PHASE LOW
;BEGIN IMPURE DATA
;O SPC, WITH WILDCARDS
OSPC: XWD SPCSIZ,0 ;SIZE OF BLK
SIXBIT /DSK/ ;DEVICE
0 ;DEVICE MASK
BLOCK SFDS+1 ;PPN&SFDS
IFN SFDS,<0>
BLOCK SFDS+1 ;PPN&SFDS MASKS
0 ;FILENAME
0 ;FILENAME MASK
SIXBIT /COR/ ;EXTENSION
.IOASC ;ASCII MODE
;TEMP SPEC
TMPSPC: XWD SPCSIZ,0 ;SIZE OF BLK
SIXBIT /DSK/ ;DEVICE
0 ;DEVICE MASK
BLOCK SFDS+1 ;PPN&SFDS
IFN SFDS,<0>
BLOCK SFDS+1 ;PPN&SFDS MASKS
SIXBIT /MER000/ ;FILENAME
0 ;FILENAME MASK
SIXBIT /TMP/ ;EXTENSION
.IOASC ;ASCII MODE
;END IMPURE DATA
DEPHASE
LOWSIZ==.-HGH
RELOC LOW ;BACK TO LOWSEG
BLOCK LOWSIZ
END MERGE