perm filename SAIINP.FAI[S,AIL]1 blob sn#102575 filedate 1974-05-22 generic text, type T, neo UTF8
COMPIL(INP,<INPUT>
	  ,<SAVE,.SKIP.,INSET,RESTR,SIMIO,GETCHN,STRNGC,BRKMSK,X33,NOTOPN,GOGTAB
>
	  ,<STRING INPUT ROUTINE>)
.IN.:
HERE (INPUT)	
	MOVE	USER,GOGTAB	;GET TABLE POINTER
	MOVE	TEMP,(P)
	MOVEM	TEMP,UUO1(USER)
	MOVEM	RF,RACS+RF(USER);SAVE F-REGISTER
	SKIPE	SGLIGN(USER)
	PUSHJ	P,INSET
	MOVE	CHNL,-2(P)	;CHANNEL #
	LOADI7	A,<IN>		;ROUTINE NAME
	PUSHJ	P,GETCHN	;SET UP, VALIDATE
	LDB	E,[POINT 4,DMODE(CDB),35] ;DATA MODE
	CAIGE	E,15		;DUMP MODE?
	SETZM	@ENDFL(CDB)	;NO, HELP USER ASSUME NO EOF,ERR
	SETZM	@BRCHAR(CDB)	;ASSUME NO BREAK CHAR
CMU <
	SETZM	.SKIP.
>;CMU
	HRRZ	A,@ICOUNT(CDB)	;MAX COUNT FOR INPUT STRING
	ADDM	A,REMCHR(USER)
	SKIPLE	REMCHR(USER)	;ENOUGH ROOM?
	PUSHJ	P,STRNGC	;NO, TRY TO GET SOME
	SKIPL	C,-1(P)		;GET TABLE #, CHECK IN BOUNDS
	CAILE	C,=18
	ERR	<IN: THERE ARE ONLY 18 BREAK TABLES>
	HRRZ	TEMP,USER
	ADD	TEMP,C		;TABLE NO(USER)
	MOVEI	Z,1		;FOR TESTING LINE NUMBERS
	SKIPN	LINTBL(TEMP)	;DON'T LET TEST SUCCEED IF
	 MOVEI	 Z,0		;WE'RE TO LET LINE NUMBERS THRU
	MOVN	B,A		;NEGATE MAX CHAR COUNT
	PUSH	SP,[0]		;LEAVE ROOM FOR FIRST STR WORD
	PUSH	SP,TOPBYTE(USER)	;SECOND STRING WORD
	MOVE	FF,BRKMSK(C)	;GET MASK FOR THIS TABLE
	HRRZ	Y,USER
	ADD	Y,[XWD D,BRKTBL] ;BRKTBL+RLC(USER)
	JUMPE	B,DONE1		; BECAUSE THE AOJL WON'T
CMU <
	MOVS	C,DMODE(CDB)	;FUNNY MODE BITS TO RH
>;CMU
	TRNE	FF,@BRKCVT(USER) ;DOING UC COERCION?
	TLOA	C,400000	;YES
	TLZ	C,400000	;NO
.IN:	SOSG	ICOWNT(CDB)	;BUFFER EMPTY?
	JRST	DOINP		;YES, GET MORE
IN1:	
	ILDB	D,IBP(CDB)	;GET NEXT CHARACTER
	TDNE	Z,@IBP(CDB)	;LINE NUMBER (ALWAYS SKIPS IF NOT WORRIED)?
	JRST	INLINN		;YES, GO SEE WHAT TO DO
IN2:
NOCMU <
	JUMPE	D,.IN		;ALWAYS IGNORE 0'S
>;NOCMU
CMU <
	JUMPE	D,[ TRNN  C,1	;REALLY IGNORE NULL??
		    JRST  .IN	;YES
		    JRST  .+1	;NOPE
		   ]
>;CMU
	SKIPE	LINNUM(CDB)	;COUNTING VIA SETPL?
	JRST	[ CAIN	D,12		;LF?
		  AOS	@LINNUM(CDB)	;YES -- BUMP COUNT
		  CAIE	C,14		;FF?
		  JRST	.+1		;NOPE
		  SKIPN	PAGNUM(CDB)	;BE SURE NO MESSUP
		  ERR	<DRYROT -- SETPL LOSSAGE DETECTED IN INPUT>,1,NOCV.I
		  AOS	@PAGNUM(CDB)	;BUMP PAGE COUNT
		  SETZM	@LINNUM(CDB)	;THE LINE COUNT ← 0
		  JRST	NOCV.I		;SINCE KNOW NOT LOWER CASE
		]
	JUMPGE	C,NOCV.I	;NOT COERCIING ??
	CAIL	D,"a"		;ONLY COERCE LOWER CASE
	CAILE	D,"z"		;
	JRST	.+2		;FAST SKIP
	TRZ	D,40		;MAKE UC
NOCV.I:	TDNE	FF,@Y		;MUST WE DO SOMETHING SPECIAL?
	JRST	INSPC		;YES, HANDLE
MOVEC:	IDPB	D,TOPBYTE(USER)	;LENGTHEN STRING
	AOJL	B,.IN		;GET SOME MORE
	JRST	DONE1
INSPC:	HLLZ	TEMP,@Y		;IGNORE OR BREAK?
	TDNN	TEMP,FF		;  (CHOOSE ONE)
	JRST	.IN		;IGNORE
DONE:	MOVEM	D,@BRCHAR(CDB)	;STORE BREAK CHAR
	MOVE	Y,-1(P)	;TABLE # AGAIN
	ADD	Y,USER		;RELOCATE
	SKIPN	Y,DSPTBL(Y)	;WHAT TO DO WITH BREAK CHAR?
	JRST	DONE1		;SKIP IT
	JUMPL	Y,APPEND	;ADD TO END OF INPUT STRING
RETAIN:	SOS	IBP(CDB)		;BACK UP TO GET IT NEXT TIME
	FOR II←1,4 <
	IBP	IBP(CDB)>
	AOS	ICOWNT(CDB)
	JRST	DONE1
APPEND:	IDPB	D,TOPBYTE(USER)	;PUT ON END
	AOJA	B,DONE1		;ONE MORE TO COUNT
INEOF1: POP	P,D+1		;LEFT OVER FROM DUMP MODE ROUT
DONE1:	ADDM	B,REMCHR(USER)	;GIVE UP THOSE NOT USED
	ADD	B,@ICOUNT(CDB)	;HOW MANY DID WE ACTUALLY GET?
	HRROM	B,-1(SP)	;MARK RESULT, NON-CONSTANT
	MOVE	RF,RACS+RF(USER);GET F-REGISTER BACK
	SUB	P,X33		;REMOVE INPUT PARAMETER, RETURN ADDRESS
	JRST	@3(P)		;RETURN
DOINP:
CMU <
	AOS	.SKIP.
>;CMU
	CAIL	E,15		;DUMP MODE?
	 JRST	 DMPI		; YES
	XCT	IOIN,SIMIO	;IN CHAN,0
	 JRST	 IN1		;ALL OK, CONTINUE
	 JRST	 DONE1		;ERROR OR EOF, QUIT
DMPI:	PUSH	P,D+1
	HRRZ	D,IBUF(CDB)	;PTR TO BUFFER AREA
	SUBI	D,1
	HRLI	D,-=128
	MOVEI	D+1,0
	XCT	IODIN,SIMIO	;IN CHAN,D
	 JRST	OKI
	 JRST	INEOF1		;REMOVE D,QUIT
OKI:	POP	P,D+1
	AOS	@ENDFL(CDB)	;SPECIAL TREATMENT
	HRLI	D,700
	MOVEM	D,IBP(CDB)
	MOVEI	A,5*=128
	MOVEM	A,ICOWNT(CDB)
	JRST	IN1		;DONE SIMULATING, RETURN
INLINN:
	SKIPE	SOSNUM(CDB)	;DOES THE USER WANT IT???
	JRST	[ MOVE	TEMP,@IBP(CDB) ;YES
		  MOVEM	TEMP,@SOSNUM(CDB);
		  JRST	.+1 ]
	MOVE	TEMP,-1(P)	;GET LINE NUMBER DISPOSITION FLAG,
	ADD	TEMP,USER	;RLC+TABLE
	SKIPGE	TEMP,LINTBL(TEMP) ;LINTBL+RLC+TABLE
	 JRST	 GIVLIN	; WANTS IT NEXT TIME OR SOMETHING
	JSP	TEMP,EATLIN	;TOSS IT OUT, AND 
	JRST	.IN		; CONTINUE
EATLIN:
	AOS	IBP(CDB)	;FORGET IT ENTIRELY
	MOVNI	A,5		;INDICATE SKIPPING SIX
	ADDB	A,ICOWNT(CDB)	;IN COUNT
	JUMPG	A,(TEMP)	;NO, CONTINUE
	CAIL	E,15
	 ERR	 <CAN'T HANDLE THIS FILE IN DUMP MODE>
	XCT	IOIN,SIMIO	;YES, GET TAB FROM NEXT BUFFER
	 JRST	OKLN		;GOT IT, CONTINUE
	 JRST	DONE1
OKLN:	SOSG	ICOWNT(CDB)	;IF ONLY ONE CHAR,
	JRST	[MOVEI TEMP,20000	;THEN EOF COMES NEXT
		 IORM  TEMP,@ENDFL(CDB)
		 JRST  DONE1]	;ALL DONE
	IBP	IBP(CDB)	;GET OVER TAB FINALLY
	AOS	ICOWNT(CDB)	;INCREMENT COUNT
	JRST	(TEMP)		;AND CONTINUE
GIVLIN:	TRNE	TEMP,-1		;WANT LINE NO IN BRCHAR WORD?
	 JRST	 GVLLN		;NO, WANTS IT NEXT TIME.
	SKIPL	TEMP,@IBP(CDB)	;NEGATED LINE NO
	MOVNS	TEMP
	MOVEM	TEMP,@BRCHAR(CDB) ;STORE WHERE HE WANTS IT
	JSP	TEMP,EATLIN	;GO EAT UP LINE NUMBER AND
	JRST	DONE1		;FINISH UP
GVLLN:
	SETOM	@BRCHAR(CDB)	;TELL THE USER
	AOS	ICOWNT(CDB)	;REVERSE THE SOSLE
	MOVEI	Y,1		;TURN OFF LINE NUMBER 
	ANDCAM	Y,@IBP(CDB)	;  BIT
	MOVSI	Y,070000	;BACK UP BYTE POINTER
	ADDM	Y,IBP(CDB)
	JRST	DONE1		;FINISH OFF IN BAZE OF GORY
ENDCOM(INP)