--- /dev/null
+/OS8 BASIC LOADER, V5
+/
+/
+/
+/
+/
+/
+//
+/
+/
+/
+/
+/COPYRIGHT (C) 1972, 1973, 1974, 1975
+/DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
+/
+/
+/
+/THIS SOFTWARE IS FURNISHED UNDER A LICENSE FOR USE ONLY ON A
+/SINGLE COMPUTER SYSTEM AND MAY BE COPIED ONLY WITH THE INCLU-
+/SION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE, OR ANT OTHER
+/COPIES THEREOF, MAY NOT BR PROVIDED OR OTHERWISE MADE AVAILABLE
+/TO ANY OTHER PERSON EXCEPT FOR USE ON SUCH SYSTEM AND TO ONE WHO
+/AGREES TO THESE LICENSE TERMS. TITLE TO AND OWNERSHIP OF THE
+/SOFTWARE SHALL AT ALL TIMES REMAIN IN DEC.
+/
+/
+/THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT
+/NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL
+/EQUIPMRNT COROPATION.
+/
+/DEC ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
+/SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DEC.
+/
+/
+/
+/
+/
+/
+\f/DEC-S8-LBASA-B-LA
+/
+/COPYRIGHT C 1972, 1973, 1974
+/
+/DIGITAL EQUIPMENT CORPORATION
+/MAYNARD,MASSACHUSETTS 01754
+/
+/AUGUST 19, 1972
+/
+/HANK MAURER, 1972
+/SHAWN SPILMAN, 1973
+/
+/
+/
+/
+/ASSEMBLE AND LOAD AS FOLLOWS:
+/
+/ .R PAL8
+/ *BLOAD,BLOAD<BLOAD.03
+/ .R ABSLDR
+/ *BLOAD$
+/ .SA SYS BLOAD;7605
+/
+/NOTE DIFFERENCES FROM VERSION 1 BY TRUNCATING
+/THE SOURCE AFTER TAG "IMAGE" AND THEN:
+/
+/ .R SRCCOM
+/ *LPT:<BLOAD.01,BLOAD.03
+/ *
+/
+/ALL CODE FOLLOWING TAG "IMAGE" IS NEW FOR VERSION 3
+/
+ VERSON= 5 /VERSION WORD LOCATED AT TAG "VERLOC"
+ /LEFT HALF CONTAINS 60+VERSON
+ /RIGHT HALF CONTAINS PATCH LEVEL (A=01)
+
+/
+/CORRECTIONS MADE FOR V4 J.K 1975
+/ .MADE SWAP ROUTINE A REAL SWAP
+/ ./V FOR VERSION NUMBER
+/ ./C SO NON-BASIC SAVE FILES CAN CHAIN TO BASIC SAVE FILES
+/ .ADJUST JSW FOR /K
+/ .CORRECTED CCB FOR /K
+/ .CALCULATION OF DEFAULT CORE SIZE FOR PDP-8
+/ .TEST FOR BATCH RUNNIG
+/ .CHANGE ORDER OF CISTRT SO A CHAIN CAN BE
+/ CAN BE DONE FROM A .SV FILE WITH A
+/ FILE STATEMENT
+/
+
+/JR 30-APR-77 UPDATE VERSION AND FIX ERROR IN MAKECI WHEN BATCH NOT
+/ RUNNING
+\f /OS8 BASIC COMPILER POST PROCESSOR
+
+ /AUTO INDEX REGISTERS
+
+ X10=10
+ X11=11
+ X13=13
+ STACK=15
+
+ /DUMMY SECTIONS FOR COMPILER/RUNTIME COMMUNICATIONS
+
+ NOPUNCH
+
+ /BRTS COMMUNICATIONS REGION
+
+ *20
+STCDF, 0
+NSTADR, 0
+NASTAD, 0
+SSTADR, 0
+SASTAD, 0
+CODCDF, 0
+CODBGN, 0
+DATTOP, 0
+DATPTR, 0
+SWPINF, 0
+
+ /BCOMP COMMON REGION
+
+ *40
+VARCNT, 0
+SVCNT, 0
+ACNT, 0
+SACNT, 0
+LOCTRH, 0
+LOCTRL, 0
+BLOCK, 0
+HIFLD, 0
+BRTS, 0
+DLSIZE, 0
+ABORTX, 0
+
+ /PAGE 0 LOCATIONS USED BY LOADER
+
+FREEHI, 0
+FREELO, 0
+TEMP, 0
+TEMP2, 0
+TEMP3, 0
+WORD1, 0
+WORD2, 0
+WORD3, 0
+NCHARS, 0
+SUBHI, 0
+SUBLO, 0
+CODSZ1, 0
+CODSZ2, 0
+LOCHI, 0
+LOCLO, 0
+CODB, 0
+CODF, 0
+ICOUNT, 0
+OCOUNT, 0
+AC1, 0
+AC2, 0
+AC3, 0
+SC, 0
+LINEH, 0
+LINEL, 0
+XLABEL, 0
+CLRFLD, 0
+CLREND, 0
+RESADR, 0
+
+ /MORE COMPILER DEFINITIONS
+
+ SVARST= 1036
+ ARAYST= 2132
+ SARYST= 2332
+ STEMPS= 2560
+ LITRL= STEMPS+2
+ SLITRL= LITRL+2
+ DATLST= SLITRL+2
+
+ /MISC DEFINES
+
+ STACKA= 7120 /MAIN STACK OF COMPILER
+ EDTBGN= 3212 /START OF EDITOR
+ EDTSIZ= 2100 /SIZE OF EDITOR
+ BRTBGN= 200 /START OF BRTS
+ BRTSIZ= 3400 /SIZE OF BRTS
+ DCB= 7760
+ JSW= 7746 /OS/8 JOB STATUS WORD
+ BIPCCL= 7777 /OS/8 SOFTWARE CORE SIZE AND BATCH FLAGS WORD
+ FSTOP1= 7 /ADDR OF BRTS EXIT ROUTINE
+
+ ENPUNCH /END OF DUMMY SECTIONS
+\f /LOADER PROPER
+
+ *400
+LOADER, JMS I (IMAGE /CORE IMAGE FILE PATCH
+ TAD (7577 /EXECUTION RESUMES HERE
+ DCA FREELO
+ CIA IAC
+ DCA SWPINF /SET SWAPPER FLAG TO INDICATE 17600 IS IN FIELD 1
+ DCA LINEH /CLEAR LINE NUMBER
+ DCA LINEL
+ TAD STACK /ANY UNCLOSED FOR'S ?
+ CIA
+ TAD (STACKA-1
+ SNA CLA
+ JMP .+3 /NO
+ JMS I (ERMSG /YES
+ 2506
+ CLA CMA
+ TAD HIFLD /NO CDF'S IF ONLY 8K
+ SZA CLA
+ JMP NOPATCH /NO PATCHES
+ TAD (PATLST-1
+ DCA X10
+PATLUP, TAD I X10
+ SNA
+ JMP I (STSTUF
+ DCA TEMP
+ TAD (SKP /ALWAYS TWO WORDS
+ DCA I TEMP
+ JMP PATLUP
+NOPATCH,CDF 10
+ TAD I (DCB /CHECK FOR TD8E SYSTEM
+ AND (770 /ED FRIEDMAN GAVE ME THIS CODE
+ TAD (-210 /AND I'M TAKING IT ON FAITH
+ CDF
+ SNA CLA
+ TAD I (7612 /IS IT A ROM SYSTEM ?
+ TAD (-3
+ SZA CLA
+GOTTD, JMP NOTD8E /NO TD/8E OR ROM TD/8E
+ /PREV INSTR NOP'D OUT TO FORCE TD8E (IMAGE)
+ TAD (7377 /TD8E SYS WASTES 400 WORDS
+ DCA FREELO
+ STL RAR /SET SWAP INFO (17600 OUT NOW)
+NOTD8E, DCA SWPINF
+ JMS I (FREEF /GET CDF TO HIGHEST FIELD
+ DCA SWPF1 /INTO 2 PLACES
+ TAD SWPF1
+ DCA SWPF2
+ JMS SWAP /MOVE OS8 OUT
+ TAD (TAD L6221
+ DCA TDLIE+1
+ TAD (TAD L6221
+ DCA TDLIE+3
+ JMP I (STSTUF /DO SYMBOL TABLE STUFF
+\fSWAP, 0 /SWAP OS8 RESIDENT
+ CLL CML RAR /4000
+ AND SWPINF /IS IT A TD8E SYS ?
+ SZA CLA
+ JMP TD8ESYS /YES
+ JMS SWPSUB /SWAP 17600 TO/FROM N7600
+ CDF 10
+ 7600
+ JMP I SWAP
+TD8ESYS,JMS SWPSUB /SWAP 17600 TO/FROM N7400
+ CDF 10
+ 7400
+ JMS SWPSUB /SWAP 27600 TO/FROM N7600
+L6221, CDF 20
+L7600, 7600
+TDLIE, CLL CML RTL /FIX UP 07600 STUFF TO MATCH
+ TAD SWPF1 /CIF CDF N0
+ DCA I (7642
+ TAD SWPF1
+ IAC /CIF N0
+ DCA I (7721
+ TAD I (7721
+ DCA I (7727
+ JMP I SWAP
+SWPRET, CLA
+ CDF /RETURN IF 8K
+ JMP I SWAP
+SWPFLAG,0
+
+SWPSUB, 0 /SWAPPER
+ TAD I SWPSUB /GET FIELD
+ DCA SWP1 /TWICE
+ TAD SWP1
+ DCA SWP2 /ONCE FOR EACH DIRECTION
+ ISZ SWPSUB
+ TAD I SWPSUB /GET HI FIELD ADDR
+ DCA TEMP
+ ISZ SWPSUB
+ TAD L7600 /GET COUNT/POITER
+ DCA TEMP2
+SWP1, HLT
+ TAD I TEMP2 /GET PART OF RESIDENT
+ DCA TEMP3
+SWPF1, JMP SWPRET /RETURN IF 8K ONLY
+ TAD I TEMP
+SWP2, HLT
+ DCA I TEMP2
+ TAD TEMP3
+SWPF2, HLT
+ DCA I TEMP /INTO HI FIELD
+ ISZ TEMP /BUMP POINTER
+ NOP /JR PROTECT AGAINST WRAP AROUND
+ ISZ TEMP2 /AND PTR/CTR
+ JMP SWP1 /LOOP
+ CDF
+ JMP I SWPSUB
+
+ PAGE
+\fNODATA, CDF
+ JMS I (FREEF /SAVE FIELD
+ CIA
+ DCA CLRFLD /FOR ARRAY CLEARING
+ TAD FREELO /SAVE THIS ADDR
+ CIA
+ DCA CLREND /FOR END OF ARRAY CLEAR
+ ISZ FREELO /MAKE IT NEXT FREE + 1
+ TAD (SVARST-1
+ DCA X10 /ALLOCATE STRING VARS
+ TAD (-436
+ DCA TEMP
+ASVLUP, CDF 10
+ TAD I X10 /LOOK FOR DEFINED STRING VAR
+ DCA TEMP2 /SAVE SYMBOL NUMBER
+ TAD I X10 /GET SIZE
+ SPA
+ TAD (4010 /IF UNDEF USE 16 CHARS
+ DCA TEMP3
+ TAD TEMP2 /IS IT DEFINED ?
+ CDF
+ SMA CLA
+ JMS SVSTOR /YES, CREATE ENTRY
+ ISZ TEMP /BUMP COUNT
+ JMP ASVLUP /LOOP
+ CDF 10 /ALLOCATE STRING TEMPS
+P6, TAD I (STEMPS+1
+ DCA STEMPF /INIT FIELD
+ TAD I (STEMPS /AND POINTER
+ SKP
+STMLUP, TAD TEMP /LOOK AT NEXT ENTRY
+ SNA
+ JMP I (ALLOCA /DONE GO ALLOCATE ARRAYS
+ TAD (-1
+ DCA X10 /GET POINTER
+STEMPF, CDF 10
+ TAD I X10 /GET ADDR OF NEXT ENTRY
+ DCA TEMP /SAVE IT
+P7, TAD I X10 /AND ITS FIELD
+ DCA STEMPF
+ ISZ X10 /SKIP TEMP NUMBER
+ TAD I X10 /GET SYM NUMBER
+ DCA TEMP2
+ CDF
+ TAD (110 /GIVE IT MAX SIZE
+ DCA TEMP3
+ JMS SVSTOR /ALOOCATE IT
+ JMP STMLUP /LOOP
+SVSTOR, 0 /MAKE ST ENTRY FOR STRING VAR
+ TAD TEMP2 /FIND ST ADDR
+ CLL RAL
+ TAD TEMP2
+ TAD SSTADR
+ DCA X11
+ TAD TEMP3 /NUMBER OF CHARS
+ TAD (3
+ CLL RAR
+ DCA SUBLO /NUMBER OF WORDS
+ DCA SUBHI
+ JMS SUB /FREEHI,LO=FREEHI,LO-SUBHI,LO
+ TAD FREELO /SAVE ADDR
+ DCA I X11
+ JMS I (FREEF /AND FIELD
+ DCA I X11
+ TAD TEMP3 /PUT IN MAX LENGTH
+ CIA /(NEGATIVE)
+ DCA I X11
+ JMP I SVSTOR
+PSN, 0 /PRINT 3 DIGITS DECIMAL
+ DCA WORD2
+ CLL CMA RTL /-3
+ DCA XLABEL
+PRNTSN, TAD WORD2 /GET NEXT DIGIT
+ CLL RTL /INTO THE LOW ORDER
+ RTL /THREE BITS AND THE LINK
+ DCA WORD2 /SAVE SHIFTED NUMBER
+ TAD WORD2 /NOW DO LAST SHIFT
+ RAL
+ AND (17 /ONLY FOUR BITS
+SPACE, SZA
+ JMP NOZERO /NOT A ZERO
+ TAD I (TTY /ANY DIGITS YET ?
+ SNA CLA
+ JMP LEAD0 /NO, ITS A LEADING ZERO
+NOZERO, TAD (60 /MAKE IT ASCII
+ JMS I (TTY /PRINT DIGIT
+LEAD0, ISZ XLABEL /BUMP COUNT
+ JMP PRNTSN /MORE DIGIT(S)
+ JMP I PSN
+SUB, 0 /DOUBLE SUBTRACT
+ TAD SUBLO /SUBTRACT LOWER
+ CLL CML CIA
+ TAD FREELO
+ DCA FREELO
+ RAL /GET BORROW
+ TAD SUBHI
+ CIA
+ TAD FREEHI /SUBTRACT UPPER
+ DCA FREEHI /SAVE NEW UPPER
+ TAD FREEHI /DID IT FIT ?
+ SMA SZA CLA
+ JMP I SUB /YUP
+TOOBIG, DCA LINEH /CLEAR LINE NUMBER
+ DCA LINEL
+ JMS I (ERMSG /WRITE MESSAGE
+ 2402 /TOO BIG
+ JMP I (ABORTL /ABORT RUN
+
+TTX, 0 /PRINT CHAR ON TTY
+ TSF /WAIT FOR PREVIOUS CHAR
+ JMP .-1
+ TLS /PRINT THIS ONE
+ CLA
+ JMP I TTX
+
+ PAGE
+\f/ CAUTION !!!
+/ THIS PAGE AND THE NEXT ONE ARE
+/ OVERLAYED BY THE INPUT BUFFER
+/ AS SOON AS THE ROUTINE "INWORD"
+/ IS CALLED. THIS FIRST HAPPENS
+/ AFTER THE TAG "RELCIT" .
+
+STSTUF, TAD FREELO /SAVE START OF RESIDENT -1
+ CIA /NEGATED
+ DCA RESADR /USED TO COMPUTE AMOUNT OF MOVE
+ TAD VARCNT /GET NUMBER OF
+ TAD (401 /VARIABLES
+ CIA
+ DCA VARCNT
+ TAD SVCNT /STRING VARIABLES
+ TAD (401
+ CIA
+ DCA SVCNT
+ TAD ACNT /ARRAYS
+ TAD (41
+ CIA
+ DCA ACNT
+ TAD SACNT /AND STRING ARRAYS
+ TAD (41
+ CIA
+ DCA SACNT
+ JMS I (FREEF /SAVE HIGH FIELD
+ DCA STCDF
+ TAD VARCNT /SUBTRACT SPACE FOR
+ CLL RAL /SCALAR TABLE (3 WORDS A PIECE)
+ TAD VARCNT
+ TAD FREELO /DON'T BOTHER WITH A
+ DCA FREELO /DOUBLE PREC. SUBTRACTION
+ TAD FREELO /SAVE START OF SCALAR TABLE
+ IAC /FOR INTERPRETER
+ DCA NSTADR
+ TAD FREELO /CLEAR ALL VARIABLES
+ DCA X10 /IN THE
+ DCA I X10 /SCALAR TABLE
+ DCA I X10
+ DCA I X10
+ ISZ VARCNT
+ JMP .-4 /JUST TO BE NICE
+ CDF 10 /PREPARE TO MOVE
+P1, TAD I (LITRL+1/THE NUMERIC LITERALS
+ DCA LFLD /INTO THE SCALAR TABLE
+ TAD I (LITRL
+ CDF
+ SKP
+NLLOOP, TAD TEMP /ADDR OF NEXT LITERAL
+ SNA
+ JMP NONL /NO MORE NUMERIC LITERALS
+ TAD (-1
+ DCA X10
+LFLD, CDF 10
+ TAD I X10 /GET ADDR OF NEXT LITERAL
+ DCA TEMP
+P2, TAD I X10 /ALSO ITS FIELD
+ DCA LFLD
+ TAD I X10 /NOW ITS VALUE
+ DCA WORD1
+ TAD I X10
+ DCA WORD2
+ TAD I X10
+ DCA WORD3
+ TAD I X10 /NOW THE SYMBOL NUMBER
+ DCA TEMP2
+ TAD TEMP2 /TIMES THREE
+ CLL RAL
+ TAD TEMP2
+ TAD FREELO /PLUS START
+ DCA X11 /GIVES STORE ADDR
+ CDF
+ TAD WORD1 /NOW PUT LITERAL INTO TABLE
+ DCA I X11
+ TAD WORD2
+ DCA I X11
+ TAD WORD3
+ DCA I X11
+ JMP NLLOOP /DO NEXT LITERAL
+NONL, TAD ACNT /ALLOCATE ARRAY TABLE
+ CLL RAL
+ CLL RAL /FOUR WORDS PER
+ TAD FREELO /SUBTRACT FROM LOWER END
+ DCA FREELO
+ TAD FREELO /SAVE THIS
+ DCA NASTAD /START OF ARRAY TABLE
+ TAD SVCNT /ALLOCATE
+ CLL RAL /STRING VAR TABLE
+ TAD SVCNT
+ TAD FREELO /3 WORDS EACH
+ DCA FREELO
+ TAD FREELO /AND SAVE IT FOR THE INT
+ DCA SSTADR
+ TAD SACNT /NOW SPACE FOR STRING
+ CLL RAL /ARRAY
+ CLL RAL
+ TAD FREELO /TABLE
+ DCA FREELO
+ TAD FREELO /SAVE FOR INT
+ DCA SASTAD
+ CDF 10 /PREPARE TO MOVE
+P3, TAD I (SLITRL+1
+ DCA SLFLD /STRING LITERALS
+ TAD I (SLITRL
+ CDF
+ SKP
+SLLOOP, TAD TEMP /IS NEXT LIT THERE ?
+ SNA
+ JMP I (NOSL /NO, END OF THE LINE
+ TAD (-1
+ DCA X10
+ JMS SFLD /SET THE FIELD
+ TAD I X10 /GET ADDR OF NEXT
+ DCA TEMP
+P4, TAD I X10 /ALSO FIELD
+ DCA TEMP2
+ TAD I X10 /THEN CHAR COUNT
+ DCA NCHARS
+ JMP I (SLIT2 /DO REST OF STRING LIT
+SFLD, 0
+SLFLD, CDF 10
+ JMP I SFLD
+
+ PAGE
+\fSLIT2, TAD NCHARS /COMPUTE WORD COUNT
+ TAD (3
+ CLL RAR
+ TAD X10 /TO GET ADDR OF SYMBOL NUMBER
+ DCA TEMP3
+ TAD I TEMP3
+ CLL RAL /SYM NUMBER TIMES 3
+ TAD I TEMP3
+ TAD SSTADR /PLUS BASE
+ DCA X11 /GIVES ST ADDR
+ TAD NCHARS /ALLOCATE SPACE FOR IT
+ IAC
+ CLL CML CMA RAR
+ DCA TEMP3 /(SAVE NUMBER OF WORDS)
+ TAD TEMP3
+ CLL
+ TAD FREELO
+ DCA FREELO /BELOW THE SYMBOL TABLES
+ SNL
+ JMP TMSLIT /TOO MUCH STRING LITERALS
+ TAD FREELO
+ TAD (-END-10
+ SZL CLA
+ JMP TMSLIT /DITTO
+ TAD FREELO /STICK THE ADDR
+ IAC
+ CDF
+ DCA I X11 /INTO THE ST ENTRY
+ JMS I (FREEF /ALSO THE FIELD
+ DCA I X11
+ TAD NCHARS /ALSO THE SIZE
+ CIA
+ DCA I X11
+ TAD FREELO /THIS IS WHERE IT GOES
+ DCA X11
+ TAD NCHARS /PUT IN THE LENGTH TOO
+ CIA /(NEGATIVE)
+ JMP .+4
+MOVSL, JMS I (SFLD
+ TAD I X10
+ CDF
+ DCA I X11 /MOVE THE LITERAL TEXT
+ ISZ TEMP3
+ JMP MOVSL
+P5, TAD TEMP2 /PUT THE FIELD OF THE NEXT
+ DCA I (SLFLD /ENTRY WHERE IT DOES THE MOST GOOD
+ JMP I (SLLOOP /DO THE NEXT LITERAL
+NOSL, TAD FREELO /SAVE TOP OF DATA LIST
+ DCA DATTOP
+ TAD DATTOP /IF EMPTY MAKE TOP=BOTTOM
+ DCA DATPTR
+ TAD DLSIZE
+ SNA /IS ANY DATA ?
+ JMP I (NODATA /NO
+ CLL
+ TAD FREELO /GET START OF DATA
+ DCA FREELO
+ SNL
+ JMP TMDATA /TOO MUCH DATA
+ TAD FREELO
+ TAD (-END-10
+ SZL CLA
+ JMP TMDATA /DITTO
+ TAD FREELO /SAVE IT
+ DCA DATPTR
+ TAD FREELO /USE X13 TO FILL LIST
+ DCA X13
+ TAD (DATLST-1
+ DCA X10
+ CDF 10
+DATLUP, TAD I X10 /ANY MORE DATA ELEMENTS ?
+ SNA
+ JMP I (NODATA
+ DCA TEMP /SAVE ADDR
+P8, TAD I X10 /GET NEW FIELD
+ DCA DATAF1
+P9, TAD DATAF1 /TWICE
+ DCA DATAF2
+ TAD TEMP /START WITH NEW ELEMENT
+ DCA X10
+DATAF1, CDF 10
+ TAD I TEMP /GET COUNT
+ DCA TEMP
+DATMOV, TAD I X10 /GET NEXT WORD
+ CDF
+ DCA I X13 /MOVE INTO DATA AREA
+DATAF2, CDF 10
+ ISZ TEMP
+ JMP DATMOV
+ JMP DATLUP /DO NEXT ELEMENT
+TMDATA, DCA LINEL /ZERO LINE NUMBER
+ DCA LINEH
+ JMS I (ERMSG /PRINT ERROR MESSAGE
+ 2404
+ JMP I (ABORTL
+TMSLIT, DCA LINEH /CLEAR THE LINE NUMBER
+ DCA LINEL
+ JMS I (ERMSG /PRINT MESSAGE
+ 2423
+ JMP I (ABORTL
+
+PATLST, P1;P2;P3;P4;P5;P6;P7;P8;P9;0
+
+ PAGE
+\fALLOCA, TAD ACNT /ANY ARRAYS ?
+ SNA CLA
+ JMP ALLOCS /NO
+ TAD (ARAYST /ALLOCATE ARRAYS
+ DCA X10
+ TAD NASTAD
+ DCA X11
+DOARAY, CDF 10
+ TAD I X10 /GET NEXT ARRAY
+ DCA TEMP
+ TAD I X10 /GET FIRST DIM
+ SNA
+ TAD (12 /USE 10 IF NONE
+ IAC /ALLOCATE 0TH ELEMENT
+ DCA TEMP2
+ TAD I X10 /GET SECOND DIM
+ SNA
+ TAD (12
+ IAC
+ DCA TEMP3
+ TAD TEMP3 /GET READY TO SUBTRACT
+ DCA SUBLO
+ DCA SUBHI
+ CDF
+ CLL CML RTR
+ AND TEMP /HOW MANY DIMS ?
+ SNA CLA
+ JMP ONLY1 /ONE
+ TAD TEMP2 /PRODUCT OF DIMS
+ JMS I (MUL12
+ JMP TIMES3 /MULT BY 3
+ONLY1, DCA TEMP3 /ZERO SECOND DIMENSION
+ TAD TEMP2
+ DCA SUBLO
+TIMES3, TAD (3 /MULT SIZE BY 3
+ JMS I (MUL12
+ JMS I (SUB /SUBTRACT FROM FREE
+ TAD FREELO
+ DCA I X11 /SAVE ADDR IN S.T.
+ JMS I (FREEF
+ DCA I X11
+ TAD TEMP2 /ALSO DIMS
+ DCA I X11
+ TAD TEMP3
+ DCA I X11
+ ISZ X10 /SKIP SYMBOL NUMBER
+ ISZ ACNT
+ JMP DOARAY
+ALLOCS, TAD SACNT /ANY STRING ARRAYS
+ SNA CLA
+ JMP I (RELCIT /NO
+ TAD (SARYST+1
+ DCA X10 /ALLOCATE STRING ARRAYS
+ TAD SASTAD
+ DCA X11
+DOSARY, CDF 10
+ TAD I X10
+ SNA
+ TAD (12 /USE 10 FOR DIM
+ IAC
+ DCA TEMP3
+ TAD I X10 /GET DIM
+ SNA
+ TAD (10 /USE 16 IF NO SIZE SPEC
+ DCA TEMP2
+ TAD TEMP3
+ DCA SUBLO /PREPARE FOR MULT
+ DCA SUBHI
+ CDF
+ TAD TEMP2 /GET NUM WORDS PER STRING
+ TAD (3
+ CLL RAR
+ JMS I (MUL12 /GET ARRAY SIZE
+ JMS I (SUB /DO SUBTRACTION
+ TAD FREELO /SAVE ADDR
+ DCA I X11
+ JMS I (FREEF
+ DCA I X11
+ TAD TEMP2 /AND STRING SIZE
+ CIA /(SIZES ARE NEG)
+ DCA I X11
+ TAD TEMP3 /AND NUMBER OF STRINGS
+ DCA I X11
+ ISZ X10 /SKIP NEXT NAME
+ ISZ X10 /AND NEXT SYM NUMBER
+ ISZ SACNT
+ JMP DOSARY
+ JMP I (RELCIT
+INWORD, 0 /READ FROM CODE FILE
+ ISZ ICOUNT /ANYTHING IN BUFFER
+ JMP NOREAD /YASSUH!
+ JMS I (7607 /READ NEXT BLOCK
+ 200
+ 1000 /NOTE: THIS OVERLAYS USED CODE
+INBLOK, 0
+ JMP I (IOERR
+ ISZ INBLOK /BUMP BLOCK COUNTER
+ TAD INBLOK-1/RESET BUFFER POINTER
+ DCA INPTR
+ TAD (-400 /AND COUNTER
+ DCA ICOUNT
+NOREAD, TAD I INPTR /GET WORD
+ ISZ INPTR /BUMP POINTER
+ JMP I INWORD
+INPTR, 0
+
+CIPAT, 0 /PATCH TO MAKECI
+ TAD (1000
+ DCA I (JSW /CHANGE JSW
+COPT, DCA I (CISTRT+1 /& TAKE CARE OF /C
+ JMP I CIPAT
+
+ PAGE
+\fRELCIT, TAD LOCTRL /FIND START OF CODE
+ CLL IAC
+ DCA SUBLO /BY SUBTRACTING
+ RAL
+ TAD LOCTRH /AMOUNT FROM FREE
+ DCA SUBHI
+ JMS I (SUB
+ TAD FREELO /THIS IS THE START OF THE CODE
+ DCA CODBGN /MINUS ONE
+ TAD FREEHI /THIS IS THE FIELD NUMBER
+ DCA CODCDF
+ TAD LOCTRL /SET UP PROG SIZE COUNT
+ CLL CML CIA
+ DCA CODSZ1 /LOWER COUNT
+ RAL
+ TAD LOCTRH
+ CIA
+ DCA CODSZ2 /UPPER COUNT
+ TAD BLOCK /SET UP FOR READ AND WRITE
+ DCA I (OUBLOK
+ TAD BLOCK
+ DCA I (INBLOK
+ TAD (-401
+ DCA OCOUNT
+ CLA CMA
+ DCA ICOUNT
+RELOOP, JMS I (INWORD /GET A WORD OF CODE
+ DCA TEMP
+ TAD (3000
+ TAD TEMP /CHECK FOR OPCODE 5000 (GOTO)
+ AND (7000
+ SZA CLA
+ JMP NORELC /NO JUMP
+ TAD TEMP /REMOVE FIELD BITS
+ AND (340
+ CLL RTR
+ TAD CDF0
+ DCA LBLFLD /FIELD OF LABEL ENTRY
+ TAD TEMP /ZERO FIELD BITS
+ AND (7437
+ DCA TEMP
+ JMS I (INWORD /GET REST OF ADDR
+ DCA TEMP2
+ JMS I (CHKLBL /CHECK FOR UNDEFINED LABEL
+LBLFLD, HLT
+ TAD I TEMP2
+ AND (7 /GET ADDR TO BE RELOCATED
+ DCA LOCHI
+ ISZ TEMP2
+ TAD I TEMP2
+ CLL
+ TAD CODBGN /ADD BASE ADDR
+CDF0, CDF
+ DCA LOCLO /SAVE LOW PART OF JUMP
+ RAL
+ TAD CODCDF /GET HIGH PART
+ TAD LOCHI
+ CLL RTL /PUT IT INTO CORRECT PLACE
+ RTL
+ RAL
+ TAD TEMP /PLUS INSTRUCTION
+ JMS I (OUTWRD
+ ISZ CODSZ1 /BUMP COUNTER
+ SKP
+ ISZ CODSZ2 /CAN'T BE LAST WORD
+ TAD LOCLO /OUTPUT LOW ORDER ADDR
+ SKP
+NORELC, TAD TEMP /JUST OUTPUT IT
+RELOUT, JMS I (OUTWRD
+ ISZ CODSZ1 /DOUBLE WORD ISZ BUMP
+ JMP RELOOP
+ ISZ CODSZ2
+ JMP RELOOP
+ JMP I (LOADIT /DONE RELOCATING, GO LOAD
+
+ /PRINT ERROR MESSAGE
+
+ERMSG, 0 /PRINT ERROR MESSAGE
+ CDF
+ TAD I ERMSG /GET CODE
+ CLL RTR /PRINT FIRST CHAR
+ RTR
+ RTR
+ JMS TTY
+ TAD I ERMSG /PRINT SECOND CHAR
+ JMS TTY
+ ISZ ERMSG /FIX RETURN ADDR
+ TAD (240 /PRINT SPACE
+ JMS TTY
+ DCA TTY /USE TTY AS A SWITCH
+ TAD LINEH /PRINT HIGH ORDER
+ JMS I (PSN
+ TAD LINEL /THEN LOW ORDER
+ JMS I (PSN /(LINE NUMBER NATCH !)
+ TAD (215 /PRINT CARRIAGE RETURN
+ JMS I (TTX
+ TAD (212 /PRINT LINE FEED
+ JMS I (TTX
+ JMP I ERMSG /RETURN
+
+TTY, 0 /CONVERT TO ASCII AND PRINT
+ TAD (240
+ AND (77
+ TAD (240
+ JMS I (TTX /PRINT CHAR
+ JMP I TTY /RETURN
+
+ PAGE
+\fLOADIT, JMS I (OUDUMP /DUMP LAST BLOCK
+ TAD LOCTRL /SET UP COUNTER
+ CIA CLL CML
+ DCA CODSZ1
+ RAL
+ TAD LOCTRH
+ CIA
+ DCA CODSZ2
+ TAD CODBGN
+ DCA TEMP /CODE BEGIN -1
+ TAD BLOCK /SET UP BLOCK NUMBER
+ DCA I (INBLOK
+ CLA CMA
+ DCA ICOUNT
+ TAD CODCDF /SET UP CODE CDF
+ CLL RTL
+ RAL
+ TAD (6201
+ DCA CODCDF
+ TAD CODCDF
+ DCA CF
+LODLUP, ISZ TEMP /BUMP POINTER
+ JMP NOFJMP /FIELD IS OK
+ TAD CF /BUMP THE FIELD
+ TAD (10
+ DCA CF
+NOFJMP, JMS I (INWORD /GET NEXT WORD
+CF, HLT
+ DCA I TEMP /SAVE THE WORD
+CDFZER, CDF
+ ISZ CODSZ1 /MORE CODE ?
+ JMP LODLUP /YES
+ ISZ CODSZ2
+ JMP LODLUP /YES
+ TAD CF /GET THE FIELD
+ DCA CLEARF /AND SAVE IT
+CLRLUP, TAD CLREND /IS THIS THE END OF CLEAR ?
+ TAD TEMP
+ SZA CLA
+ JMP MORCLR /NO, KEEP GOING
+ TAD CLRFLD /DO FIELDS MATCH ?
+ TAD CLEARF
+ SNA CLA
+ JMP DONCLR /YES, ARRAYS ARE CLEARED
+MORCLR, ISZ TEMP /BUMP POINTER
+ JMP CLEARF /DON'T BUMP FIELD
+ TAD CLEARF /DO BUMP FIELD
+ TAD (10
+ DCA CLEARF
+CLEARF, HLT
+ DCA I TEMP /CLEAR THE WORD
+ JMP CLRLUP /DO MORE
+DONCLR, TAD CLEARF /COPY THE FIELD
+ DCA STFLDM
+ TAD TEMP /GET THE COUNT
+ TAD RESADR /OF HOW MUCH SYMBOL TABLE
+ DCA TEMP2 /TO MOVE
+ TAD TEMP /PUT IT INTO AUTO XR'S
+ DCA X13
+ TAD X13
+ DCA X11
+MOVSTL, CDF
+ TAD I X11 /GET NEXT WORD OF ST
+STFLDM, HLT
+ DCA I X13 /STORE IT
+ ISZ TEMP2
+ JMP MOVSTL
+ JMS MOVFIN /MOVE FINI PAGE INTO 7000-7177
+ JMP I (7000 /GO READ BRTS.SV
+\fCHKLBL, 0 /CHECK LABEL FOR UNDEF
+ TAD I CHKLBL /GET FIELD
+ DCA .+1
+ HLT
+ TAD I TEMP2 /GET FIRST WORD OF LABEL
+ SPA CLA
+ JMP I CHKLBL /SIGN BIT IS DEFINED
+ CLL CMA RAL /GET ADDR OF LINE NUM
+ TAD TEMP2
+ DCA XLABEL
+ TAD I XLABEL /GET HIGH ORDER LINE
+ DCA LINEH
+ ISZ XLABEL
+ TAD I XLABEL /GET LOW ORDER
+ DCA LINEL
+ CDF
+ JMS I (ERMSG /PRINT MESSAGE
+ 2523
+ JMP I CHKLBL /RETURN
+
+FREEF, 0 /MAKE A CDF FROM FREEHI
+ TAD FREEHI
+ CLL RTL
+ RAL
+ TAD CDFZER
+ JMP I FREEF
+
+ABORTL, JMS MOVFIN /PUT FINI PAGE INTO 7000-7177
+ /AND ABORT THE RUN
+ JMP I (ABORT-FINI+7000
+
+MOVFIN, 0 /FINI PAGE MOVER
+ CDF
+ TAD (FINI-1 /MOVE INT READING CODE
+ DCA X10
+ TAD (6777 /INTO 7000
+ DCA X11
+ TAD (-200
+ DCA TEMP /PUT CORRECT COUNT HERE
+ TAD I X10
+ DCA I X11 /MOVE CODE
+ ISZ TEMP
+ JMP .-3
+ JMP I MOVFIN
+
+ PAGE
+\fFINI, TAD I XERMSG /ANY ERRORS ?
+ SZA CLA
+ JMP ABORT /YES, DON'T RUN IT
+ TAD XINT /MOVE INT STUFF
+ DCA FTEMP
+ TAD M12 /10 KEY LOCATIONS
+ DCA FCNT
+ TAD XSAVE /INTO A SAFE PLACE
+ DCA FTEMP2
+ TAD I FTEMP
+ ISZ FTEMP
+ DCA I FTEMP2
+ ISZ FTEMP2
+ ISZ FCNT
+ JMP .-5 /MOVE LOOP
+ TAD BRTS /READ IN BRTS
+ DCA BRTSB
+ JMS I X7607
+ BRTSIZ
+ 0
+BRTSB, 0
+ JMP IOERR
+ TAD XSAVE
+ DCA FTEMP
+ TAD XINT /MOVE STUFF BACK
+ DCA FTEMP2
+ TAD I FTEMP
+ ISZ FTEMP
+ DCA I FTEMP2
+ ISZ FTEMP2
+ ISZ M12
+ JMP .-5
+ TAD (JMP I FSTOP1 /PATCH ^C LOCATIONS
+ DCA I (7600
+ TAD (JMP I FSTOP1
+ DCA I (7605
+ JMP I (BRTBGN /GO START BRTS
+
+M12, -12
+XINT, 20
+XERMSG, ERMSG
+X7607, 7607
+XSAVE, 7001+XSAVE-FINI
+
+MUL12, 0 /MULTIPLY 12BITS AND 24 BITS
+ DCA AC3 /SAVE 12 BIT THING
+ DCA AC2 /CLEAR REST OF AC
+ DCA AC1
+ TAD (-15 /ONLY TEST 12 BITS
+ DCA SC
+ JMP MULBGN
+MULLUP, SNL /WAS BIT ON ?
+ JMP NOADD /NO, DON'T ADD
+ TAD SUBLO /ADD TO HIGH ORDER 2/3'S OF AC
+ TAD AC2
+ DCA AC2
+ CML RAL
+ TAD SUBHI
+NOADD, TAD AC1 /SHIFT AC RIGHT
+ CLL RAR
+ DCA AC1
+ TAD AC2
+ RAR
+ DCA AC2
+MULBGN, TAD AC3
+FTEMP, RAR
+FTEMP2, DCA AC3
+FCNT, ISZ SC /BUMP SHIFT COUNTER
+ JMP MULLUP
+ TAD AC2 /ANSWER IS LOWER 2/3'S OF AC
+ DCA SUBHI
+ TAD AC3
+ DCA SUBLO
+ JMP I MUL12
+
+IOERR, DCA LINEL /ZERO LINE NUMBER
+ JMS I XERMSG /PRINT MESSAGE
+ 1117
+ABORT, JMS I (SWAP /SWAP OS8 BACK
+ JMS I (200 /CHECK OUT W/ CI BUILDER
+ TAD (4207 /RESTORE ^C LOCATIONS
+ DCA I (7600
+ TAD (6213
+ DCA I (7605
+ TAD ABORTX /CALLED VIA CHAIN ?(FROM EDIT)
+ SNA
+ JMP I (7600 /NO, RETURN TO OS8
+ DCA EDTBLK /YES, SAVE EDITOR START
+ JMS I X7607 /READ IN EDITOR
+ EDTSIZ /THIS MUCH
+ 0
+OWTEMP,
+EDTBLK, 0
+ JMP I (7605 /ERROR
+ JMP I (EDTBGN /GO START EDITOR
+
+OUTWRD, 0 /OUTPUT WORD TO TEMP FILE
+ ISZ OCOUNT /ANY ROOM ?
+ JMP NOWRIT /YES
+ DCA OWTEMP /SAVE WORD
+ JMS OUDUMP /WRITE BLOCK
+ ISZ OUBLOK /BUMP BLOCK NUMBER
+ TAD OUBLOK-1/RESET BUFFET POINTER
+ DCA OUPTR
+ TAD (-400
+ DCA OCOUNT /AND COUNT
+ TAD OWTEMP /RESTORE AC
+NOWRIT, CDF 10
+ DCA I OUPTR /INTO BUFFER
+ CDF
+ ISZ OUPTR
+ JMP I OUTWRD
+OUPTR, 0
+OUDUMP, 0 /WRITE BLOCK
+ JMS I X7607 /WRITE BLOCK
+ 4210
+ 0
+OUBLOK, 0
+ JMP IOERR
+ JMP I OUDUMP
+
+ END=FINI+200
+
+ PAGE
+\f BLDCI=200 /PAGE INTO WHICH MAKECI GETS MOVED
+ LOADBL=357 /LOC WHERE BCOMP LEAVES BLOAD BLOCK #
+
+IMAGE, 0
+ TAD I (LOADBL /COME HERE TO CREATE CORE IMAGE
+ TAD (6 /ALREADY HAVE THIS MUCH
+ DCA I (LDRBLK /INIT BLOAD OVRLY READER
+ CDF 10
+ TAD I (7644 /TEST FOR /V
+ CDF
+ AND (4
+ SZA CLA
+ JMS I (VERNUM
+ CDF 10
+ TAD I (7643 /GET OPTION BITS
+ CDF
+ DCA TEMP
+ TAD TEMP
+ RTR
+ SNL CLA /HAVE K OPTION?
+ JMP LSTART /NO: START LOADER
+ TAD TEMP
+ RTL
+ SZL CLA /HAVE B OPTION?
+ DCA I (FLGRTS /YES: FLAG IT
+ TAD TEMP /TEST FOR /C
+ RTL
+ SPA CLA
+ JMP .+3
+ TAD (NOP
+ DCA I (COPT
+ CDF 10
+ TAD I (7646 /GET =N
+ CDF
+ AND (7 /WIPE ALT MODE
+ SNA
+ CLL CML RTL /DEFAULT=12K FOR NOW
+ DCA TEMP
+ CLL CMA
+ TAD TEMP /MUST BE >1 HERE
+ SNA CLA
+ ISZ TEMP
+ TAD TEMP
+ CLL CMA
+ TAD HIFLD
+ SNL CLA /WHICH HAS MORE CORE?
+ JMP .+3 /TARGET MACHINE: TOUGH
+ TAD TEMP /HOST MACHINE
+ DCA HIFLD /FAKE OUT LOADER
+ TAD HIFLD
+ CIA
+ DCA I (FLDCNT /INIT CI BUILDER
+ TAD I (FLDCNT
+ DCA I (MYCORE /AND CI STARTER
+ CDF 10
+ DCA I (7646 /CLEAR =N BITS
+ DCA I (7643 /AND EARLY OPTIONS
+ TAD I (7644 /GET OPTION BITS
+ CDF
+ RTL
+ SZL CLA /HAVE N SWITCH?
+ JMP NOTDSY /NEVER SEES TD8E SYSTEM
+ TAD HIFLD
+ CLL RAR
+ SNA CLA /HAVE OVER 8K CORE?
+ JMP NOTDSY
+ TAD (NOP
+ DCA I (GOTTD /YES: FORCE SYS=TD8E
+ CDF 10 /THE QUESTION IS,
+ TAD I (DCB /WAS IT A LITTLE WHITE ONE
+ AND (770 /OR NOT?
+ TAD (-210
+ CDF
+ SNA CLA
+ TAD I (7612
+ TAD (-3
+ SNA CLA
+ JMP .+3 /IT WAS TRUTH!
+ TAD (SWAP-LOADER+5600
+ DCA I (TDLIE /LIES: MUST LIE TO SWAPPER ALSO
+ CLA IAC
+NOTDSY, DCA I (TDFLAG /NOT 0 MEANS HAVE TD8E
+ CMA
+ DCA I (ERMSG /FORCE LOAD ABORT
+LSTART, TAD (BLDCI-1 /MOVE CI BUILDER
+ DCA X10 /INTO LOW CORE
+ TAD (MAKECI-1
+ DCA X11
+ TAD I X11
+ DCA I X10
+ ISZ ICTR
+ JMP .-3
+ TAD HIFLD /START OF BLOAD V1
+ DCA FREEHI
+ JMP I IMAGE /RETURN TO LOADER
+
+ICTR, -200
+CCLIST, 0 /1ST 4 WORDS OF CCB
+ 6203
+ CISTRT
+ 1000 /JOB STATUS WORD
+
+ PAGE
+\f CCB=1000 /LOC TO START BUILDING CCB
+
+MAKECI, 0 /THIS PAGE GETS MOVED!
+ TSF
+ JMP .-1 /SEE TAG "ABORT" IN BLOAD V1
+ ISZ I (ERMSG /WHY ARE WE HERE?
+ JMP BOSFIX /GENUINE ABORTION
+ TAD (CCB-1
+ DCA X10
+ TAD (CCLIST-1
+ DCA X11
+ TAD I X11 /1ST FOUR WORDS OF CCB
+ DCA I X10
+ ISZ MKCCNT
+ JMP .-3
+CCSEGS, TAD FLDCNT
+ CLL CIA RAL
+ RTL /THIS FIELD
+ DCA TEMP
+ TAD (70
+ AND CODCDF /LOWEST FIELD USED
+ CLL CIA
+ TAD TEMP
+ SNL /THIS FIELD USED?
+ JMP NOCODE /NO: BYPASS IT
+ SZA CLA /IS IT FULL?
+ JMP ALLCODE /YES
+ TAD CODBGN /PROBABLY NOT
+ AND (7400
+ DCA TEMP2
+ TAD TEMP2
+ CIA
+ CLL RAR
+ TAD TEMP
+ DCA TEMP
+ TAD TEMP2
+ALLCODE,DCA I X10
+ TAD FLDCNT
+ IAC
+ TAD TDFLAG
+ SMA CLA /NEED TOP PAGE?
+ TAD (3700 /NO: 37 PAGES
+ TAD TEMP /YES: 40 PAGES
+ AND K3777
+ DCA I X10
+ ISZ I (CCB
+NOCODE, CLA CLL
+ ISZ FLDCNT /NEXT FIELD ZERO?
+ JMP CCSEGS /NO: LOOP
+ TAD FLGRTS
+ SZA CLA /NEED BRTS?
+ TAD (CISTRT
+ DCA I X10
+ TAD FLGRTS
+ SZA CLA
+ TAD (200-3700
+ TAD (3700
+ DCA I X10
+ TAD I (CCB
+ CMA
+ DCA I (CCB /NEGATE SEG COUNT
+ JMS I (7607 /READ CI STARTER
+KP200, 200 /FROM END OF BLOAD.SV
+ CISTRT /INTO HI CORE
+LDRBLK, 0 /INIT BY "IMAGE"
+BOSPT1, 7600 /CAN'T GET THIS ERROR
+ JMS I JCIP
+ TAD TDFLAG /PASS TD8E FLAG
+ DCA I (FLAGTD
+ TAD FLGRTS
+ DCA I (RTSFLG /AND BRTS FLAG
+ TAD MYCORE
+ DCA I (NOCORE /AND CORE LIMIT
+ TAD (17 /SAVE 10 KEY LOCATIONS
+ DCA X10
+ TAD (KEYLOC-1
+ DCA X11
+ TAD I X10
+ DCA I X11
+ ISZ MCICNT
+ JMP .-3
+ JMS I (7607 /CALL SYS HANDLER
+ 4200 /TO WRITE CCB
+ CCB-200 /(AND PRECEDING PG)
+ 37 /INTO SCRATCH BLOCK
+K3777, 3777 /CAN'T GET THIS ERROR
+ JMP I (EXEUIT
+
+MKCCNT, -4
+MCICNT, -12
+FLDCNT, -7
+TDFLAG, 1 /0 MEANS TD8E IS DEATH AT RT
+FLGRTS, -1 /0 MEANS INCL BRTS IN CI
+
+BOSFIX, TAD I (BIPCCL
+ RAL
+ SMA CLA
+ JMP I MAKECI /BATCH NOT RUNNING
+ TAD I (7777
+ AND (70
+ TAD CDFZRO
+ DCA BOSCDF /CDF TO BATCH FIELD
+BOSLUP, CDF 10
+ TAD I BOSPT1 /GET BATCH WRDS
+BOSCDF, CDF 10
+ DCA I BOSPT2 /BACK INTO POSITION
+CDFZRO, CDF
+ ISZ BOSPT1
+ ISZ BOSPT2
+ JMP BOSLUP
+ JMP I MAKECI
+
+BOSPT2, 7774
+MYCORE, 0
+JCIP, CIPAT
+
+ PAGE
+\fVERNUM, 0
+ TAD (VTEXT
+ DCA TEMP
+MOREV, TAD I TEMP
+ SNA
+ JMP VOUT
+ CLL RTR
+ RTR
+ RTR
+ JMS I (TTY
+ TAD I TEMP
+ JMS I (TTY
+ ISZ TEMP
+ JMP MOREV
+VOUT, TAD (215
+ JMS I (TTX
+ TAD (212
+ JMS I (TTX
+ JMP I VERNUM
+
+VTEXT, TEXT /BLOAD V/
+ *.-1
+VERLOC, 100^VERSON+6001
+ 0
+
+ PAGE
+\f *7000
+ BSTART=200 /START ADDR FOR BRTS
+CISTRT, SKP /RUNNED
+ JMP CHAIN /CHAINED
+ TAD (7603
+ DCA X10
+ TAD (NAMLST-1
+ DCA X11
+ CDF 10
+ DCA I X10 /ZERO EDITOR
+ DCA I X10 /COMPILER
+ DCA I X10 /AND LOADER BLOCK #S
+ CDF
+ CIF 10
+ JMS I (7700
+ 10 /USRIN
+FINDSV, TAD I X11 /LOOKUP SOME SAVE FILES
+ SNA
+ JMP LUBUF /GO LOOK FOR BASIC.UF
+ DCA XXXXSV /SAVE POINTER TO NAME
+ CLA IAC /THEY'RE ON SYS
+ CIF 10
+ JMS I (200
+ 2
+XXXXSV, 0
+ 0
+ JMS I (ERRORX /ERROR
+ TAD XXXXSV /GET STARTING BLOCK
+ IAC /PLUS 1
+ CDF 10
+ DCA I X10 /INTO INFO AREA
+ CDF
+ JMP FINDSV /LOOP
+LUBUF, CLA IAC
+ CIF 10
+ JMS I (200 /LOOKUP BASIC.UF
+ 2
+ BUFN /(USER DEFINED FUNCTIONS)
+ 0
+ JMP .+3 /OK IF NOT THERE
+ TAD .-3 /GET STARTING BLOCK +1
+ IAC
+ CDF 10
+ DCA I X10 /INTO INFO BLOCK
+ CDF 0
+ CIF 10
+ JMS I (200
+ 11 /USR OUT
+CHAIN, CDF 10
+ TAD I (7607 /GET BRTS STARTING BLK
+ CDF
+ DCA I (BRTSST /INTO RTS READER
+ JMP I (BINIT
+
+NAMLST, BRTSN
+ BAFN
+ BSFN
+ BFFN
+ 0
+BRTSN, FILENAME BRTS.SV
+BAFN, FILENAME BASIC.AF
+BSFN, FILENAME BASIC.SF
+BFFN, FILENAME BASIC.FF
+BUFN, FILENAME BASIC.UF
+\fCORE, 0
+ TAD I (BIPCCL
+ AND COR70
+ CLL RAR
+ RTR
+ SZA /IS THERE A SYSTEM VALUE?
+ JMP I CORE /YES: USE IT
+COR0, CDF
+ TAD CORSIZ
+ RTL
+ RAL
+ AND COR70
+ TAD COREX
+ DCA .+1
+COR1, CDF
+ TAD I CORLOC
+COR2, NOP
+ DCA COR1
+ TAD COR2
+ DCA I CORLOC
+COR70, 70
+ TAD I CORLOC
+CORX, 7400
+ TAD CORX
+ TAD CORV
+ SZA CLA
+ JMP COREX
+ TAD COR1
+ DCA I CORLOC
+ ISZ CORSIZ
+ JMP COR0
+COREX, CDF
+ CLA CMA /HI FIELD IS #FIELDS-1
+ TAD CORSIZ
+ JMP I CORE
+CORLOC, CORX
+CORV, 1400
+CORSIZ, 1
+
+ PAGE
+\fGETRTS, 0 /READ BRTS INTO 0-6777
+ TAD BRTS
+ DCA BRTSBB
+ JMS I (7607
+ BRTSIZ
+ 0
+BRTSBB, 0
+NOCORE, -1 /CAN'T GET THIS ERROR
+ JMP I GETRTS
+BINIT, ISZ RTSFLG /NEED BRTS?
+ JMP BRTSIN /GOT IT: START IT
+ JMS I (7607
+ BRTSIZ
+ 0
+BRTSST, 0
+SR2, 20 /CAN'T GET THIS ERROR
+BRTSIN, CDF 10 /WHAT ARE WE RUNNING ON?
+ ISZ EKOUNT
+ TAD I (DCB /CHECK FOR TD8E SYSTEM
+ AND (770 /ED FRIEDMAN GAVE ME THIS CODE
+ TAD (-210 /AND I'M TAKING IT ON FAITH
+ CDF
+ SNA CLA
+ TAD I (7642 /IS IT A ROM SYSTEM ?
+ TAD (-6223
+ SZA CLA
+ JMP PSADJ /NO TD/8E OR ELSE ROM TD/8E
+ TAD FLAGTD
+ SNA CLA /IMAGE OK ON TD8E?
+ JMS ERRORX /NO: DONT RUN IT
+ TAD KEYLOC
+ DCA CDFTOP
+SWPLOOP,CDF 20
+ TAD I TDCTR
+ DCA GETRTS
+CDFTOP, CDF 70
+ TAD I TDCTR
+ DCA ERRORX
+ TAD GETRTS
+ DCA I TDCTR
+ CDF 20
+ TAD ERRORX
+ DCA I TDCTR
+ ISZ TDCTR
+ JMP SWPLOOP
+ CDF
+ CLL CML RTL
+ TAD CDFTOP /PATCH MONITOR FIELD STUFF
+ DCA I (7642 /CDF CIF HI CORE
+ IAC
+ TAD CDFTOP
+ DCA I (7721 /CIF HI CORE
+ TAD I (7721
+ DCA I (7727
+CCHEK, ISZ EKOUNT
+ JMS I (CORE /HOW MUCH CORE DO WE HAVE?
+ TAD NOCORE /HOW MUCH DO WE NEED?
+ SPA CLA
+ JMS ERRORX /INSUFFICIENT CORE
+ TAD I SR1 /RESTORE KEY LOCATIONS
+ DCA I SR2
+ ISZ SR1
+ ISZ SR2
+ ISZ SR3
+ JMP .-5
+ TAD (JMP I FSTOP1 /PATCH CTRL/C LOCS
+ DCA I (7600
+ TAD (JMP I FSTOP1
+ DCA I (7605
+ TAD SWPINF /TELL BRTS OS/8 PG 17600 OUT NOW
+ RAR
+ STL RAL
+ DCA SWPINF
+ JMP I (BSTART /START BRTS
+
+ERRORX, 0
+ CIF 10
+ JMS I (7700
+ 7
+EKOUNT, 1
+ JMP I (7605
+
+EXEUIT, TAD RTSFLG
+ SNA CLA /NEED BRTS?
+ JMS GETRTS /YES: READ IT
+ TAD (4207 /RESTORE ^C HOOKS
+ DCA I (7600
+ TAD (6213
+ DCA I (7605
+ JMP I (7600 /BACK TO OS8
+KEYLOC, ZBLOCK 12
+SR1, KEYLOC
+SR3, -12
+RTSFLG, -1 /0 MEANS BRTS IS IN CORE
+FLAGTD, 1 /1 IF TD8E IS OK AT RUNTIME
+PSADJ, TAD (4001
+ AND KEYLOC+11
+ TAD (2000
+ DCA KEYLOC+11
+ JMP CCHEK
+TDCTR, 7600
+
+ PAGE
+ $$$$$
+\f
projects / pdp8.git / blobdiff