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Trailing-Edge - PDP-10 Archives - decuslib20-03 - decus/20-0078/rts/trace.mac
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COMMENT;::::::::::::::::::::::::::::::::::::::::::::::::::

AUTHOR:	CLAES WIHLBORG
	KIM WALDEN

UPDATE:	1

PURPOSE:TRACE PERFORMS THE TRACE FUNCTION OF THE COMPILER.
	IT IS LOADED IN EVERY PASS.

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;


	SEARCH	SIMMAC
	SALL
	CTITLE	TRACE
	MACINIT
	TWOSEG
	RELOC	400K

	INTERN	TRACE

	EXTERN	YPASSNO,YTRSAV,YTRLC,YTRJLC,YTRINS,YTRLOW,YTRHGH,YTRTP
	EXTERN	YTRPAS,YTRACC,YTRSIM,YTRTAB,.JBUUO,.JB41
DEFINE	X(F,L,T)<
IFB<L>,<<IX'T-IXCT>B8+I'T>
IFNB<L>,<REPEAT L+1-F,<<IX'T-IXCT>B8+I'T>>
>

TAB:
X	0,0,SKIP
X	1,37,UUO
X	40,46,SKIP
X	47,47,CALLI
X	50,107,SKIP
X	110,251,ORD
X	252,255,JUMP
X	256,,XCT
X	257,,ORD
X	260,,PUSHJ
X	261,262,ORD
X	263,,POPJ
X	264,,JSR
X	265,,JSP
X	266,,JSA
X	267,,JRA
X	270,277,ORD
X	300,317,SKIP
X	320,327,JUMP
X	330,337,SKIP
X	340,347,JUMP
X	350,357,SKIP
X	360,367,JUMP
X	370,377,SKIP
X	400,577,ORD
X	600,677,SKIP
X	700,777,SKIP
TRACE:
	L	1,YPASSNO
	SKIPN	YTRPAS(1)
	BRANCH	@16

	OPEN	QCHTRC,[16
			SIXBIT/DSK/
			0]
	HALT	.
	LD	2,[SIXBIT/TRACE0/
		   SIXBIT/BIN/]
	SETZB	4,5
	OR	2,YPASSNO
	IF	LOOKUP	QCHTRC,2
		GOTO	FALSE
	THEN	LD	6,[IOWD 37003,YTRACC
			   0]
		INPUT	QCHTRC,6
		CLOSE	QCHTRC,
	ELSE
		SETZM	YTRACC
		L	1,[XWD YTRACC,YTRACC+1]
		BLT	1,YTRSIM+37000
		LD	[XWD 331100,400010
			 XWD 331100,437000]
		STD	YTRLOW
	FI
	RELEASE QCHTRC,
	L	[XWD 1,YTRTAB-400010]
	ST	YTRTP

	HRLI	16,331100
	ST	16,YTRLC
	L	1,16
	GOTO	NEXTIA
IXORD:
IORD:	L	1,YTRSAV+1
	XCT	@YTRLC

NEXTI:	ST	1,YTRSAV+1
NEXTIS:	AOS	1,YTRLC
NEXTIA:	AOS	YTRACC
	IF
		CAMGE	1,YTRLOW
		GOTO	FALSE
		CAMG	1,YTRHGH
	THEN	AOS	@YTRTP
	FI

	L	1,YTRSAV+1
	LDB	1,YTRLC
	GOTO	@TAB(1)

IXSKIP:
ISKIP:	L	1,YTRSAV+1
	XCT	@YTRLC
	GOTO	NEXTI
	AOS	YTRLC
	GOTO	NEXTI
IJUMP:
	L	1,YTRSAV+1
	L	1,@YTRLC
	ST	1,YTRINS
IXJUMP:	L	1,YTRSAV+1
	LI	1,@YTRINS
	ST	1,YTRJLC
	L	1,YTRINS
	HRRI	1,IJUMPA
	TLZ	1,37
	ST	1,YTRINS
	L	1,YTRSAV+1
	XCT	YTRINS
	ST	1,YTRSAV+1
	GOTO	NEXTIS
IJUMPA:	ST	1,YTRSAV+1
	L	1,YTRJLC
	HRRM	1,YTRLC
	HRLI	1,331100
	GOTO	NEXTIA

IPUSHJ:
	L	1,YTRSAV+1
	L	1,@YTRLC
	ST	1,YTRINS
IXPUSH:	L	1,YTRSAV+1
	LI	1,@YTRINS
	ST	1,YTRJLC
	L	1,YTRINS
	AOS	YTRLC
	TDZ	1,[777037,,-1]
	ADD	1,[PUSH	YTRLC]
	ST	1,YTRINS
	L	1,YTRSAV+1
	XCT	YTRINS
	ST	1,YTRSAV+1
	L	1,YTRJLC
	HRRM	1,YTRLC
	HRLI	1,331100
	GOTO	NEXTIA

IPOPJ:
	L	1,YTRSAV+1
	L	1,@YTRLC
IPOPJX:	TLZ	1,1037
	HRRI	1,YTRJLC
	ST	1,YTRINS
	L	1,YTRSAV+1
	XCT	YTRINS
	ST	1,YTRSAV+1
	L	1,YTRJLC
	HRRM	1,YTRLC
	GOTO	NEXTIA
IJSP:
	L	1,YTRSAV+1
	L	1,@YTRLC
	ST	1,YTRINS
IXJSP:	L	1,YTRSAV+1
	LI	1,@YTRINS
	ST	1,YTRJLC
	L	1,YTRINS
	TDZ	1,[777037,,-1]
	ADD	1,[L	YTRLC]
	AOS	YTRLC
	ST	1,YTRINS
	L	1,YTRSAV+1
	XCT	YTRINS
	ST	1,YTRSAV+1
	L	1,YTRJLC
	HRRM	1,YTRLC
	HRLI	331100
	GOTO	NEXTIA

IJRA:
	L	1,YTRSAV+1
	L	1,@YTRLC
	ST	1,YTRINS
IXJRA:	L	1,YTRSAV+1
	LI	1,@YTRINS
	ST	1,YTRJLC
	AOS	YTRLC
	L	1,YTRINS
	TDZ	1,[777037,,-1]
	ADD	1,[L	YTRLC]
	ST	1,YTRINS
	L	1,YTRSAV+1
	XCT	YTRINS
	ST	1,YTRSAV+1
	L	1,YTRJLC
	HRRM	1,YTRLC
	HRLI	331100
	GOTO	NEXTIA
IXCT:
	L	1,YTRSAV+1
	L	1,@YTRLC
	ST	1,YTRINS
IXXCT:	L	1,YTRSAV+1
	L	1,@YTRINS
	ST	1,YTRINS
	LSH	1,-33
	HLRE	1,TAB(1)
	ASH	1,-11
	GOTO	IXCT(1)

IXPOPJ:	L	1,YTRINS
	GOTO	IPOPJX

ICALLI:
	L	1,YTRSAV+1
	L	1,@YTRLC
	ST	1,YTRINS
IXCALL:	HRRZ	1,YTRINS
	CAIN	1,12
	GOTO	FIN
	CAIE	1,11
	GOTO	ISKIP
	HRR	1,YTRLC
	TRNE	1,400K
	GOTO	ISKIP

	PROC
FIN:	SAVE	<2,3,4,5,6,7>
	L	1,[XWD 331100,YTRTAB]
	L	2,YTRLOW
OPC:	SKIPN	0(1)
	GOTO	CONT
	LDB	2
	DPB	1
CONT:	ADDI	1,1
	ADDI	2,1
	CAMG	2,YTRHGH
	GOTO	OPC

	HRREI	1,-377
SEEK:	SKIPE	YTRSIM+377(1)
	AOJL	1,SEEK
	L	YELSRC##
	ST	YTRSIM+377(1)

	OPEN	QCHTRC,[16
			SIXBIT/DSK/
			0]
	HALT	.
	LD	2,[SIXBIT/TRACE0/
		   SIXBIT/BIN/]
	SETZB	4,5
	OR	2,YPASSNO
	ENTER	QCHTRC,2
	HALT	.
	LD	6,[IOWD 37003,YTRACC
		   0]
	OUTPUT	QCHTRC,6
	CLOSE	QCHTRC,
	RELEASE QCHTRC,

STPTRC:	L	1,YTRSAV+1
	RESTORE
	GOTO	@YTRLC
	EPROC

IUUO:	L	1,@YTRLC
	ST	1,YTRINS
IXUUO:	L	1,YTRSAV+1
	LI	1,@YTRINS
	HLL	1,YTRINS
	ST	1,.JBUUO
	L	1,[XCT .JB41]
	ST	1,YTRINS
	GOTO	IXXCT
IJSR:
	L	1,YTRSAV+1
	L	1,@YTRLC
	ST	1,YTRINS
IXJSR:	LI	1,@YTRINS
	ST	1,YTRJLC
	ST	0,YTRSAV
	L	0,YTRLC
	ADDI	0,1
	L	1,YTRSAV+1
	ST	0,@YTRJLC
	SKIPE	YTRJLC
	L	0,YTRSAV
	ST	1,YTRSAV+1
	AOS	1,YTRJLC
	HRRM	1,YTRLC
	HRLI	331100
	GOTO	NEXTIA

IJSA:
	L	1,YTRSAV+1
	L	1,@YTRLC
	ST	1,YTRINS
IXJSA:	L	1,YTRSAV+1
	LI	1,@YTRINS
	ST	1,YTRJLC
	L	1,YTRINS
	TLZ	1,777000
	ADD	1,[ST]
	ST	1,YTRINS
	L	1,YTRSAV+1
	XCT	YTRINS
	ST	1,YTRSAV+1
	AOS	1,YTRLC
	HRL	1,YTRJLC
	HLRM	1,YTRLC
	ST	1,YTRJLC
	L	1,YTRINS
	TDZ	1,[777037,,-1]
	ADD	1,[L	YTRJLC]
	ST	1,YTRINS
	L	1,YTRSAV+1
	XCT	YTRINS
	GOTO	NEXTI
	LIT
	END