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	TITLE	TATSUB - SUBROUTINES FOR TATTLE V2 AND FORTRAN-10

	SEARCH	UUOSYM

	ENTRY SYMSRC, SYMINT

	CH=0
	N=1
	N1=2
	L=16
	P=17

	BLKSIZ==200		;SIZE OF A DISK BLOCK
	EXELEN==40		;MAXIMUM LENGTH OF .EXE DIRECTORY

	SUBTTL	SYMINT -  LOADS A SYMBOL TABLE INTO CORE

;CALLING SEQUENCE
;	CALL SYMINT(FILE)
;FILE IS ADDRESS OF COMPLETE FILESPEC (DEV,FILE,EXT,PPN,SFD1,SFD2,...)

SYMINT:	MOVEI	10,@1(L)	;ADDRESS OF FILE SPEC
	MOVEI	1,11		;LOOP COUNT
	MOVE	2,10		;COPY OF FILE SPEC ADDRESS
	MOVEI	3,SYMFSP+.FOFDV	;FILE SPEC FROM LAST CALL
SYMIN1:	MOVE	0,(2)		;GET NEXT WORD OF FILE SPEC
	CAMN	0,(3)		;SAME AS STORED COPY?
	SOJG	1,SYMIN1	;YES, LOOP BACK FOR ENTIRE SPEC
	JUMPN	1,SYMGET	;IF ANY DIFFERENCES, GET SYMBOL TABLE
	POPJ	P,		;ELSE RETURN
SYMGET:	HRLI	0,0(10)		;MAKE A COPY OF SUPPLIED SPEC
	HRRI	0,SYMFSP+.FOFDV	;...
	BLT	0,SYMFSP+.FOFSF+4 ;...

REINIT:	SETZM	SYMFIL		;FLAG NO SYMBOL TABLE IN CORE
	MOVEI	0,.IODMP	;SET UP OPEN BLOCK
	MOVEM	0,SYMOPN+.OPMOD	;...
	MOVE	0,SYMFSP+.FOFDV	;...
	MOVEM	0,SYMOPN+.OPDEV	;...
	MOVE	0,SYMFSP+.FOFFN	;SET UP LOOKUP BLOCK
	MOVEM	0,SYMLKP+0	;...
	MOVE	0,SYMFSP+.FOFEX	;...
	MOVEM	0,SYMLKP+1	;...
	MOVE	0,SYMFSP+.FOFPP	;GET PPN
	SKIPE	SYMFSP+.FOFSF	;ANY SFDS?
	MOVEI	0,SYMPTH	;YES, GET POINTER TO PATH BLOCK
	MOVEM	0,SYMLKP+3	;STORE IN LOOKUP BLOCK
	HRLI	0,SYMFSP+.FOFPP	;SET UP PATH BLOCK
	HRRI	0,SYMPTH+.PTPPN	;...
	BLT	0,SYMPTH+.PTSFD+4 ;...
	OPEN	SYMOPN		;OPEN SYMBOL FILE
	  JRST	E.INIT		;ERROR
	LOOKUP	SYMLKP		;LOOKUP FILE
	  JRST	E.LOOK		;ERROR, ASK FOR FILE NAME
	MOVE	0,[2,,1]	;ASK MONITOR FOR EXACT FILE SPEC
	MOVE	1,[0,,.FOFIL]	;...
	MOVE	2,[11,,SYMFSP]	;...
	FILOP.	0,		;...
	  JFCL			;...
	SKIPE	3,OJOBFF	;BEEN HERE BEFORE?
	JRST	.+3		;YES
	MOVE	3,.JBFF		;NO, RESET FIRST FREE
	MOVEM	3,OJOBFF	;SAVE IT FOR NEXT TIME
	HRRM	3,CL1		;SET UP ADDRESS OF DUMP I/O LIST
	SOS	CL1		;MAKE IT AN IOWD
	ADDI	3,BLKSIZ	;ONE BLOCK BUFFER
	CAMG	3,.JBREL	;NEED MORE SPACE?
	JRST	.+3		;NO
	CORE	3,		;YES, ASK FOR IT
	  JRST	E.CORE		;ERROR
	INPUT	CL1		;READ THE FIRST BLOCK
	MOVE	3,OJOBFF	;GET ADDRESS OF BUFFER
	HLRZ	1,0(3)		;GET FIRST WORD OF FILE
	SETZM	EXEFLG		;ASSUME NOT .EXE FORMAT
	CAIE	1,.SVDIR	;EXE FILE?
	JRST	NOEXE1		;NO
	HRRZ	1,0(3)		;GET WORDS
	TRNN	1,1		;MUST BE ODD
	JRST	E.DIRE		;NOPE
	SUBI	1,1		;MAKE EVEN
	CAILE	1,EXELEN	;TOO BIG?
	JRST	E.DIRL		;YEP
	MOVSI	2,1(3)		;SET TO COPY DIRECTORY
	HRRI	2,EXEDIR	; TO HERE
	BLT	2,EXEDIR-1(1)	;COPY IT
	MOVNS	1		;MAKE AN AOBJN POINTER
	HRLI	1,EXEDIR	;...
	MOVSM	1,DIRPTR	;SAVE POINTER
	SETOM	EXEFLG		;REMEMBER AN EXE FILE
	USETI	5		;SET FOR FIRST DATA BLOCK
	INPUT	CL1		;READ FIRST REAL BLOCK OF FILE

NOEXE1:	SKIPN	1,.JBSYM(3)	;GET SYMBOL TABLE POINTER
	JRST	E.SYMT
	JUMPL	1,NOTEXT	;NON-EXTENDED
	MOVE	10,1		;SAVE A PERMANENT COPY
	AOS	4,10		;COPY AND BUMP PROCESS ADDRESS
	PUSHJ	P,PA2FA		;GET FILE ADDRESS
	IDIVI	4,BLKSIZ	;CONVERT TO A BLOCK NUMBER
	USETI	1(4)		;POSITION
	INPUT	CL1		;READ THE BLOCK
	HRRZ	1,CL1		;GET ADDRESS OF BLOCK READ
	LDB	2,[POINT 7,10,35] ;GET OFFSET FOR OUR WORD
	ADD	1,2		;WORD WE WANT (LENGTH OF S.T.)
	HRRZ	1,1(1)		;GET IT
	MOVEM	1,STLEN		;SAVE IT
	AOS	4,10		;COPY AND BUMP PROCESS ADDRESS
	PUSHJ	P,PA2FA		;GET FILE ADDRESS
	IDIVI	4,BLKSIZ	;CONVERT TO A BLOCK NUMBER
	USETI	1(4)		;POSITION
	INPUT	CL1		;READ THE BLOCK
	HRRZ	1,CL1		;GET ADDRESS OF BLOCK READ
	LDB	2,[POINT 7,10,35] ;GET OFFSET FOR OUR WORD
	ADD	1,2		;WORD WE WANT (ADDRESS OF S.T.)
	MOVE	1,1(1)		;GET IT
	MOVE	2,STLEN		;GET LENGTH
	JRST	GOTPTR		;HANDLE IT
NOTEXT:	HRRZS	1		;CLEAR LH
	HLRO	2,.JBSYM(3)	;GET -VE LENGTH
	MOVNS	2		;MAKE +VE
GOTPTR:	MOVE	3,OJOBFF	;GET OLD JOBFF AGAIN
	ADD	3,2		;ADD IN SIZE OF SYMBOL TABLE
	MOVEM	3,.JBFF		;SAVE NEW FIRST FREE
	CORE	3,		;ASK FOR MORE CORE
	  JRST	E.CORE

	MOVE	4,1
	SKIPN	EXEFLG		;EXE FILE?
	JRST	GETSYM		;NO
	PUSHJ	P,PA2FA		;CONVERT PROCESS ADDRESS TO FILE ADDRESS

GETSYM:	IDIVI	4,BLKSIZ
	USETI	1(4)
	INPUT	CL1
	MOVE	4,OJOBFF
	ADDI	4,BLKSIZ-1
	SUB	4,5
	JUMPE	5,NOBLT
	MOVE	6,OJOBFF
	ADD	6,5
	HRLS	6
	HRR	6,OJOBFF
	BLT	6,(4)
NOBLT:	HRRM	4,CL2
	SUBI	5,BLKSIZ
	ADD	5,2
	MOVNS	5
	HRLM	5,CL2
	INPUT	CL2
	RELEASE	0
	MOVE	4,OJOBFF
	ADD	4,2
	SOS	4
	MOVEM	4,SYMST
	SETOM	@0(L)
	MOVEI	1,@1(L)
	HRLI	0,SYMFSP+.FOFDV
	HRRI	0,0(1)
	BLT	0,10(1)
	SETOM	SYMFIL		;FLAG SYMBOL TABLE SETUP
	POPJ	P,

OJOBFF:	0
EXEFLG:	0
EXEDIR:	BLOCK	EXELEN
DIRPTR:	0
STLEN:	0
SYMST:	0
CL1:	IOWD	200,.-.
	0
CL2:	0
	0
SYMOPN:	BLOCK	3
SYMLKP:	BLOCK	4
SYMPTH:	BLOCK	10
SYMFSP:	BLOCK	15
SYMDFS:	SIXBIT	/SYS/
	SIXBIT	/SYSTEM/
	SIXBIT	/EXE/
	0
	BLOCK	5

;ROUTINE TO CONVERT PROCESS ADDRESS TO FILE ADDRESS.
;CALLED WITH PROCESS ADDRESS IN 4, RETURNS FILE ADDRESS IN 4.

PA2FA:	MOVE	7,4		;SAVE A COPY
	LSH	4,-9		;GET PAGE NUMBER
	MOVE	6,DIRPTR	;GET POINTER TO DIRECTORY
GETEX1:	LDB	3,[POINT 9,1(6),8] ;GET RPT CNT
	HRRZ	5,1(6)		;GET PROCESS PAGE #
	ADD	3,5		;GET HIGHEST PAGE # IN HUNK
	CAML	4,5		;S.T. IN THIS HUNK?
	CAMLE	4,3		;...
	JRST	GETEX2		;NO
	SUB	4,5		;GET PAGE OFFSET IN 4
	HRRZ	3,0(6)		;GET FPN
	ADD	4,3		;ADD TO OFFSET
	LSH	4,9		;NOW MAKE IT AN ADDRESS
	DPB	7,[POINT 9,4,35] ;FOR OUTSIDERS TO USE
	POPJ	P,		;RETURN
GETEX2:	AOBJN	6,.+1		;2 WORD ENTRIES IN DIRECTORY
	AOBJN	6,GETEX1	;KEEP LOOKING
	JRST	E.CFST		;ERROR, CAN'T FIND S.T.

E.INIT:
E.LOOK:	OUTSTR	[ASCIZ	/?LOOKUP failure for /]
ERRFIL:	PUSH	P,L
	MOVEI	L,[EXP SYMFSP+.FOFDV, AZNAM]
	PUSHJ	P,TRANFS
	POP	P,L
	OUTSTR	AZNAM
	OUTSTR	[ASCIZ	/
/]
	PUSH	P,L
	MOVEI	L,[EXP [ASCIZ/Monitor file: /], NULFLG, SYMDFS, SYMFSP+.FOFDV]
	PUSHJ	P,GETFSP
	POP	P,L
	SKIPN	NULFLG		;NULL RESPONSE?
	JRST	REINIT		;TRY AGAIN
	SETZM	SYMFIL		;YES, USE NO SYMBOLS
	HRLI	0,SYMFSP+.FOFDV	;CLEAR SAVED FILE SPEC
	HRRI	0,SYMFSP+.FOFDV+1 ;...
	SETZM	SYMFSP+.FOFDV	;...
	BLT	0,SYMFSP+.FOFSF+4 ;...
	SETZM	@0(L)
	MOVEI	1,@1(L)		;GET ADDRESS OF ARGUMENT FILE SPEC
	HRLI	0,0(1)		;CLEAR
	HRRI	0,1(1)		;...
	SETZM	(1)		;...
	BLT	0,10(1)		;...
	POPJ	P,0

E.SYMT:	OUTSTR	[ASCIZ	/?Can't find symbol table in /]
	JRST	ERRFIL
SYMFIL:	0
AZNAM:	BLOCK	15

E.CORE:	OUTSTR	[ASCIZ	/?Insufficient core to read /]
	PUSH	P,L
	MOVEI	L,[EXP SYMFSP+.FOFDV, AZNAM]
	PUSHJ	P,TRANFS
	POP	P,L
	OUTSTR	AZNAM
	OUTSTR	[ASCIZ	/ symbol table
/]
	SETZM	SYMFIL		;FLAG NO SYMBOL TABLE
	POPJ	P,0

E.DIRE:	OUTSTR	[ASCIZ	/?Bad directory format in /]
	JRST	ERRFIL

E.DIRL:	OUTSTR	[ASCIZ	/?Directory too long in /]
	JRST	ERRFIL

E.CFST:	OUTSTR	[ASCIZ	/?Can't find symbol table in /]
	JRST	ERRFIL

	SUBTTL	SYMSRC - SEARCHES SYMBOL TABLE LOADED BY SYMINT

;CALLING SEQUENCE
;	CALL SYMSRC(ADDR, GLOBAL, LOCAL, VALUE)
;ADDR IS INPUT
;GLOBAL IS MODULE NAME CONTAINING ADDR
;LOCAL IS HIGHEST VALUED SYMBOL WITH VALUE LESS OR EQUAL ADDR
;VALUE IS VALUE OF LOCAL

SYMSRC:	MOVE	10,@(L)		;PICK UP SEARCH ADDRESS
	SKIPN	SYMFIL		;DO WE HAVE A SYMBOL TABLE?
	JRST	SYMERR		;NO, RETURN BLANKS
	MOVE	6,SYMST		;END OF SYMBOL TABLE
	SETZ	5,		;INIT BEST VALUE SEEN TO ZERO
SYMSR1:	MOVE	7,6		;SAVE POINTER
	HLRO	1,(6)		;-VE LENGTH OF THIS MODULE
	ADD	6,1		;POSITION TO NEXT MODULE
	HRL	1,6		;BUILD AN AOBJN POINTER TO MODULE
	MOVSS	1		;...
	ADD	1,[2,,1]	;SKIP MODULE NAME
SYMSR2:	MOVE	0,0(1)		;GET NAME AND FLAGS
	TLNE	0,(40B5)	;SUPPRESSED ON OUTPUT?
	JRST	SYMSR3		;YES, IGNORE THIS SYMBOL
	MOVE	0,1(1)		;GET VALUE
	CAMLE	0,5		;BETTER THAN BEST SO FAR?
	CAMLE	0,10		; BUT NOT GREATER?
	JRST	SYMSR3		;NOPE
	MOVE	3,1		;SAVE POINTERS
	MOVE	4,7		;...
	MOVE	5,0		;...
	CAMN	5,10		;EXACT MATCH?
	JRST	SYMSR4		;YES, ALL DONE
SYMSR3:	AOBJN	1,.+1		;ADVANCE POINTER
	AOBJN	1,SYMSR2	;LOOP
	CAMLE	6,OJOBFF	;GONE PAST THE END?
	JRST	SYMSR1		;NO, KEEP LOOKING
SYMSR4:	JUMPE	5,SYMERR	;ERROR IF NO MATCH
	MOVE	-1(4)		;GET MODULE NAME
	JSP	2,R50		;CONVERT IT
	MOVEI	1,@1(L)		;ARG LIST ADDRESS
	DMOVEM	11,(1)		;STORE
	MOVE	(3)		;GET SYMBOL NAME
	JSP	2,R50		;CONVERT IT
	MOVEI	1,@2(L)		;ARG LIST ADDRESS
	DMOVEM	11,(1)		;STORE
	MOVE	1(3)		;VALUE
	MOVEM	@3(L)		;STORE
	POPJ	P,		;RETURN

SYMERR:	MOVEI	1,@1(L)		;OTHERWISE , RETURN BLANK
	MOVE	[ASCII/     /]
	MOVEM	(1)
	MOVEM	1(1)
SYMER1:	MOVEI	1,@2(L)
	MOVE	[ASCII/     /]
	MOVEM	(1)
	MOVEM	1(1)
	MOVEM	10,@3(L)
	POPJ	P,0

;ROUTINE TO CONVERT RADIX-50 SYMBOL NAME TO ASCII.  CALLED WITH
;RADIX-50 NAME IN AC 0, RETURNS ASCII NAME IN AC'S 11 AND 12.

R50:	SETZB	11,12
	MOVE	13,[POINT 7,11]
	MOVEI	14,6
	TLZ	740000
LOOP3:	IDIVI	50
	JUMPE	1,R5BLNK
	CAIN	1,46
	JRST	R5$
	CAIN	1,47
	JRST	R5%
	CAIN	1,45
	JRST	R5.
	CAIGE	1,13
	JRST	R5NUMB
	ADDI	1,266
R51:	PUSH	P,1
	SOJG	14,LOOP3
	MOVEI	14,6
LOOP4:	POP	P,1
	IDPB	1,13
	SOJG	14,LOOP4
	JRST	(2)

R5BLNK:	MOVEI	1,240
	JRST	R51
R5$:	MOVEI	1,244
	JRST	R51
R5%:	MOVEI	1,245
	JRST	R51
R5.:	MOVEI	1,256
	JRST	R51
R5NUMB:	ADDI	1,257
	JRST	R51

;READ A DEV:FILE.EXT[P,PN] FROM TTY

GETFSP:	OUTSTR	@0(L)		;OUTPUT PROMPT STRING
	SETZM	@1(L)		;ASSUME NON-NULL RESPONSE
	MOVEI	10,@3(L)	;GET ADDRESS OF FILE SPEC TO STORE
	HRLI	0,@2(L)		;PRESET DEFAULT
	HRR	0,10		;...
	BLT	0,10(10)	;...
	PUSHJ	P,SIXBN		;TRY TO READ DEVICE/FILENAME
	JUMPGE	CH,.+2		;IF TERM NOT BREAK, OK
	JUMPE	N,NULRET	;ELSE, IF NO NAME, RETURN NULL
	CAIE	CH,":"
	JRST	NODEV		;NOT A NEW DEVICE
	MOVEM	N,0(10)		;RETURN NEW DEVICE NAME
	PUSHJ	P,SIXBN		;AND COLLECT NEXT WORD
NODEV:	JUMPE	N,.+2		;DON'T STORE ZERO
	MOVEM	N,1(10)		;SAVE NAME
	CAIE	CH,"."		;CHECK FOR EXT SPECIFIED
	JRST	FILPPN		;NO, LOOK FOR PPN
	PUSHJ	P,SIXBN
	TRZ	N,-1		;THREE CHARS ONLY
	MOVEM	N,2(10)		;SAVE EXT
	JUMPL	CH,RETNAM	;IF EOL, RETURN
FILPPN:	CAIE	CH,"["		;IS THERE A PPN?
	JRST	EOLCHK		;NO, CHECK FOR BREAK TERMINATOR
	PUSHJ	P,OCTN		;COLLECT PROJECT
	MOVEI	N1,(N)		;SAVE IT
	CAIE	CH,","		;CHECK ITS A COMMA
	JRST	WHAT		;SOMETHINGS WRONG
	PUSHJ	P,OCTN		;GET PROGRAMMER
	HRLI	N,(N1)		;COMBINE
	GETPPN	3,		;GET ACTUAL PPN
	  JFCL			;...
	TLNN	N,777777	;DEFAULT PROJECT?
	HLL	N,3		;YES
	TRNN	N,777777	;DEFAULT PROGRAMMER?
	HRR	N,3		;YES
	MOVEM	N,3(10)		;STORE PPN
	MOVEI	11,5		;GET SFD COUNT
	MOVEI	10,4(10)	;POINT TO FIRST SFD IN FILE SPEC
FILPTH:	CAIE	CH,","		;STILL IN SFD LIST?
	JRST	EOPCHK		;NO, GO CHECK FOR END OF PPN
	PUSHJ	P,SIXBN		;GET NEXT SFD
	JUMPE	N,.+2		;DON'T STORE ZERO
	MOVEM	N,0(10)		;STORE NEXT SFD
	AOJ	10,		;UPDATE SFD LIST ADDRESS
	SOJG	11,FILPTH	;LOOP BACK FOR MAX PATH SPEC
EOPCHK:	CAIN	CH,"]"		;CHECK TRAILING BRACKET
	PUSHJ	P,INCH		;ELSE PICK UP BREAK CHAR
EOLCHK:	JUMPGE	CH,WHAT		;ASK AGAIN IF NOT <CR>
RETNAM:	POPJ	P,0

WHAT:	OUTSTR	[ASCIZ	/?Syntax error in file specification
/]
	PUSHJ	P,INCH		;SEARCH FOR END OF LINE
	JUMPGE	CH,.-1
	JRST	GETFSP		;THEN ASK AGAIN

NULRET:	SETOM	@1(L)		;FLAG NULL RESPONSE
	POPJ	P,0

NULFLG:	0

SIXBN:	SETZ	N,		;CLEAR RESULT
	MOVE	N1,[POINT 6,N]
SIXBL:	PUSHJ	P,INCH
	CAIL	CH,"0"
	CAILE	CH,"Z"
	POPJ	P,
	CAIGE	CH,"A"
	CAIG	CH,"9"
	JRST	.+2
	POPJ	P,
	SUBI	CH,40		;CONVERT TO SIXBIT
	TLNE	N1,(77B5)	;WORD FULL?
	IDPB	CH,N1		;NO, STORE ANOTHER CHAR
	JRST	SIXBL

OCTN:	SETZ	N,		;CLEAR ACCUMULATOR
OCTL:	PUSHJ	P,INCH
	CAIL	CH,"0"
	CAILE	CH,"7"		;IS IT AN OCTAL DIGIT?
	POPJ	P,
	LSH	N,3		;YES, SHIFT LEFT FOR IT
	ANDI	CH,7		;STRIP EXTRA BITS
	ADD	N,CH
	JRST	OCTL		;GET NEXT

INCH:	INCHWL	CH		;GET A CHAR
	CAIN	CH,15		;CR WILL BE FOLLOWED BY LF
	JRST	INCH		;SO USETHAT AS TERMINATOR
	CAIL	CH,140		;CHECK FOR LOWER CASE
	TRZ	CH,40		;AND FORCE UPPER
	CAIL	CH,12		;LOOK FOR BREAKS
	CAILE	CH,15
	CAIN	CH,33		;INCLUDING ALTMODE
	SETO	CH,		;SET BREAKS NEGATIVE
	POPJ	P,

	SUBTTL	MINOR UTILITIES

	ENTRY RHIST,RHISTN,TRAN67,TRAN6B

KLU67:	0
	PUSHJ	P,TRAN67
	JRA	L,2(L)
TRAN6B:	MOVSI	(JFCL)		;SET TO STORE BLANKS
	JRST	TRAN
TRAN67:	MOVE	[JUMPE BHJ]	;SET TO STORE NULLS
TRAN:	MOVEM	BHAN
	MOVEI	1,@(L)
	HRLI	1,(<POINT 6>)
	MOVEI	2,@1(L)
	HRLI	2,(<POINT 7>)
	MOVEI	3,6
LOOP67:	ILDB	1
BHAN:	JUMPE	.+2
	ADDI	40
BHJ:	IDPB	2
	SOJG	3,LOOP67
	IDPB	3,2		;STORE TRAILING NULL
	POPJ	P,0

RHISTN:	MOVEI	10,@0(L)	;GET ADDRESS OF FILE SPEC
	MOVE	1,[XWD -3,[	POINT 6,2(10),17
				POINT 6,2(10),11
				POINT 6,2(10),5	]]
RHISTL:	LDB	2,0(1)		;GET LOW ORDER CHARACTER FROM EXT
	CAIL	2,'0'
	CAILE	2,'9'		;IS IT NUMERIC?
	MOVEI	2,'0'-1		;NO, MAKE IT SO
	AOJ	2,		;INCREMENT IT
	DPB	2,0(1)		;STORE AWAY
	CAIG	2,'9'		;IF NO CARRY,
	JRST	RHNXIT		;QUIT NOW
	MOVEI	2,'0'		;OTHERWISE, RESET TO ZERO
	DPB	2,0(1)
	AOBJN	1,RHISTL	;AND CARRY TO NEXT DIGIT
	SETZM	CYCFLG		;UNLESS 999, IN WHICH CASE WE LOOSE
	POPJ	P,0

RHNXIT:	SETOM	CYCFLG		;ENABLE AUTOMATIC NAME SELECTION
	POPJ	P,0

RHIST:	MOVEI	@(L)
	SOS
	HRRM	CL
	MOVN	@1(L)
	HRLM	CL
	HRLI	0,@2(L)		;MAKE A COPY OF SUPPLIED SPEC
	HRRI	0,HSTFSP+.FOFDV	;...
	BLT	0,HSTFSP+.FOFSF+4 ;...
	SKIPE	CYCFLG		;ENABLED FOR AUTOMATIC NEXT FILE?
	JRST	INIT2		;YES, DO NOT ASK FOR NAME, IT'S ALREADY THERE
HISTFL:	PUSH	P,L
	MOVEI	L,[EXP [ASCIZ/Histogram file: /], NULFLG, HSTDFS, HSTFSP+.FOFDV]
	PUSHJ	P,GETFSP
	POP	P,L
	SKIPE	NULFLG		;ANY INPUT GIVEN?
	JRST	NOMORE		;NO, RETURN ZERO TO STOP
INIT2:	MOVEI	0,.IODMP	;SET UP OPEN BLOCK
	MOVEM	0,HSTOPN+.OPMOD	;...
	MOVE	0,HSTFSP+.FOFDV	;...
	MOVEM	0,HSTOPN+.OPDEV	;...
	MOVE	0,HSTFSP+.FOFFN	;SET UP LOOKUP BLOCK
	MOVEM	0,HSTLKP+0	;...
	MOVE	0,HSTFSP+.FOFEX	;...
	MOVEM	0,HSTLKP+1	;...
	MOVE	0,HSTFSP+.FOFPP	;GET PPN
	SKIPE	HSTFSP+.FOFSF	;ANY SFDS?
	MOVEI	0,HSTPTH	;YES, GET POINTER TO PATH BLOCK
	MOVEM	0,HSTLKP+3	;STORE IN LOOKUP BLOCK
	HRLI	0,HSTFSP+.FOFPP	;SET UP PATH BLOCK
	HRRI	0,HSTPTH+.PTPPN	;...
	BLT	0,HSTPTH+.PTSFD+4 ;...
	OPEN	HSTOPN		;OPEN FILE
	  JRST	E.INT2		;ERROR
	LOOKUP	HSTLKP		;LOOKUP FILE
	  JRST	E.LOK2		;ERROR, ASK AGAIN
	MOVE	0,[2,,1]	;ASK MONITOR FOR EXACT FILE SPEC
	MOVE	1,[0,,.FOFIL]	;...
	MOVE	2,[11,,HSTFSP]	;...
	FILOP.	0,		;...
	  JFCL			;...
	INPUT	CL
	RELEAS
	SETZM	CYCFLG		;MUST GENERATE NEW NAME TO DO AUTO AGAIN
	MOVEI	1,@2(L)		;RETURN FILE SPEC OF FILE
	HRLI	0,HSTFSP+.FOFDV	;...
	HRRI	0,0(1)		;...
	BLT	0,10(1)		;...
	POPJ	P,0

E.INT2:
E.LOK2:	OUTSTR	[ASCIZ	/?LOOKUP failed for /]
	PUSH	P,L
	MOVEI	L,[EXP HSTFSP+.FOFDV, AZNAM]
	PUSHJ	P,TRANFS
	POP	P,L
	OUTSTR	AZNAM
	OUTSTR	[ASCIZ/
/]
	JRST	HISTFL
NOMORE:	SETZM	@(L)
	SETZM	CYCFLG		;JUST PRECAUTION
	POPJ	P,0

HSTOPN:	BLOCK	3
HSTLKP:	BLOCK	4
HSTPTH:	BLOCK	10
HSTFSP:	BLOCK	15
HSTDFS:	SIXBIT	/DSK/
	SIXBIT	/SNOOPY/
	SIXBIT	/HST/
	0
	BLOCK	5

CL:	.-.
	0
CYCFLG:	0

	ENTRY	STCODE
STCODE:	MOVEI	2,@(L)		;ADDRESS OF STATES ARRAY
	HRLI	2,-^D32		;LENGTH OF IT
	SETZ	3,
STLOOP:	MOVEI	1,.GTWSN	;GETTAB CODE FOR STATES TABLE
	HRLI	1,(3)		;DESIRED TRPILET
	GETTAB	1,
STRET:	POPJ	P,0
	MOVEI	4,3		;CODES PER TABLE WORD
STLUP2:	SETZ	0,
	LSHC	0,6		;GET CHAR IN 0
	ADDI	0,40		;MAKE ASCII
	DPB	0,PNT1
	SETZ	0,
	LSHC	0,6		;GETSECOND OF PAIR
	ADDI	0,40
	DPB	0,PNT2
	AOBJP	2,STRET		;QUIT AT END OF ARRAY
	SOJG	4,STLUP2	;OR GET ANOTHER PAIR
	AOJA	3,STLOOP	;OR A TRIPLET

PNT1:	POINT	7,(2),6
PNT2:	POINT	7,(2),13

	ENTRY	TRANFS


;	CALL TRANFS (FILESP, FILE)
;CONVERTS FILESPEC (DEV,FIL,EXT,PPN,SFDS) TO FILE STRING

TRANFS:	MOVEI	10,@0(16)	;GET ADDRESS OF FILE SPEC
	MOVEI	11,@1(L)	;GET ADDRESS TO STORE FILE STRING
	HRL	0,11		;CLEAR STRING STORAGE
	HRRI	0,1(11)		;...
	SETZM	(11)		;...
	BLT	0,14(11)	;...
	HRLI	11,(POINT 7)	;CONVERT TO BYTE POINTER
	MOVE	1,0(10)		;GET FILESPEC DEVICE
	PUSHJ	P,TRANSX	;OUTPUT
	MOVEI	1,":"		;ADD COLON
	IDPB	1,11		;...
	MOVE	1,1(10)		;GET FILESPEC FILENAME
	PUSHJ	P,TRANSX	;OUTPUT
	MOVEI	1,"."		;ADD DOT
	IDPB	1,11		;...
	HLLZ	1,2(10)		;GET FILESPEC EXTENSTION
	PUSHJ	P,TRANSX	;OUTPUT
	SKIPN	3(10)		;EMPTY PPN?
	JRST	TRNFS3		;YES, SKIP PPN
	MOVEI	1,"["		;ADD BRACKET
	IDPB	1,11		;...
	HLRZ	1,3(10)		;GET PROJECT NUMBER
	PUSHJ	P,TRANOX	;OUTPUT
	MOVEI	1,","		;ADD COMMA
	IDPB	1,11		;...
	HRRZ	1,3(10)		;GET PROGRAMMER NUMBER
	PUSHJ	P,TRANOX	;OUTPUT
	MOVEI	6,5		;GET MAX SFD COUNT
	MOVEI	7,4(10)		;GET ADDRESS OF FIRST SFD
TRNFS1:	SKIPN	0(7)		;SFD PRESENT?
	JRST	TRNFS2		;NO, EXIT LOOP
	MOVEI	1,","		;ADD COMMA
	IDPB	1,11		;...
	MOVE	1,0(7)		;GET SFD NAME
	PUSHJ	P,TRANSX	;OUTPUT
	ADDI	7,1		;INCREMENT ADDRESS
	SOJG	6,TRNFS1	;LOOP BACK FOR ALL SFDS
TRNFS2:	MOVEI	1,"]"		;ADD BRACKET
	IDPB	1,11		;...
TRNFS3:	POPJ	P,		;AND RETURN

TRANSX:	MOVEI	2,6		;GET LOOP COUNTER
	MOVE	3,[POINT 6,1]	;SET UP BYTE POINTER
TRNSX1:	ILDB	4,3		;GET NEXT BYTE
	JUMPE	4,[POPJ P,]	;RETURN ON NULL
	ADDI	4," "-' '	;CONVERT TO ASCII
	IDPB	4,11		;STORE
	SOJG	2,TRNSX1	;LOOP FOR ENTIRE WORD
	POPJ	P,		;RETURN

TRANOX:	IDIVI	1,10		;DIVIDE
	PUSH	P,2		;SAVE REMAINDER
	SKIPE	1		;MORE DIGITS?
	PUSHJ	P,TRANOX	;YES, RECURSE
	POP	P,1		;GET BACK NEXT DIGIT
	ADDI	1,"0"		;CONVERT TO ASCII
	IDPB	1,11		;STORE
	POPJ	P,		;AND RETURN

	END