File: MOVE.RA of Disk: V50/Source/Source-Listing-FORTRAN-2

(Source file text) 

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	SECT	MOVE
/	 SUBROUTINE MOVE(OBJECT,WHERE)
/	 C
/	 C PLACE ANY OBJECT ANYWHERE BY PICKING IT UP AND DROPPING IT. MAY ALREADY BE
/	 C TOTING, IN WHICH CASE THE CARRY IS A NO-OP. MUSTN'T PICK UP OBJECTS WHICH
/	 C ARE NOT AT ANY LOC, SINCE CARRY WANTS TO REMOVE OBJECTS FROM ATLOC CHAINS.
/	 C
/	 IMPLICIT INTEGER (A-Z)
/	 COMMON /PLACOM/ ATLOC,LINK,PLACE,FIXED,HOLDNG
/	 DIMENSION ATLOC(150),LINK(200),PLACE(100),FIXED(100)
/	 C
	EXTERN	CARRY
	EXTERN	DROP
	JA	#ST
#XR,	ORG	.+10
	TEXT	+MOVE  +
#RET,	SETX	#XR
	SETB	#BASE
	JA	.+3
#BASE,	ORG	.+6
OBJECT,	ORG	.+3
WHERE,	ORG	.+3
HUND,	F 100.0
THREHN,	F 300.0
FROM,	ORG	.+3
	ORG	#BASE+30
	FNOP
	JA	#RET
	FNOP
#GOBAK,	0;0
	#LBL=.
	COMMON	PLACOM
ATLOC,	ORG	.+0702
LINK,	ORG	.+1130
PLACE,	ORG	.+0454
FIXED,	ORG	.+0454
HOLDNG,	ORG	.+3
	ORG	#LBL
#RTN,	BASE	#BASE
	JA	#GOBAK
#ST,	STARTD
	0210
	FSTA	#GOBAK,0
	0200
	SETX	#XR
	SETB	#BASE
	LDX	0,1
	FSTA	#BASE
	FLDA%	#BASE,1+
	FSTA	OBJECT
	FSTA	#G3
	FSTA	#G2
	FLDA%	#BASE,1+
	FSTA	WHERE
	FSTA	#G4
	STARTF
	FLDA%	OBJECT
	ATX	7
/	 IF(OBJECT.GT.100)GOTO 1
	FSUB	HUND
	ATX	5
	JGT	#1
/	 FROM=PLACE(OBJECT)
	FLDA	PLACE-3,7
	FSTA	FROM
/	 GOTO 2
	JA	#2

/	 1	FROM=FIXED(OBJECT-100)
#1,	FLDA	FIXED-3,5
	FSTA	FROM

/	 2	IF(FROM.GT.0.AND.FROM.LE.300)CALL CARRY(OBJECT,FROM)
#2, 	JLE	#G1
	FSUB	THREHN
	JGT	#G1
	JSR	CARRY
	JA	.+6
#G2,	JA	.
	JA	FROM
/	 CALL DROP(OBJECT,WHERE)
#G1,	JSR	DROP
/	 RETURN
/	 END
	JA	#RTN
#G3,	JA	.
#G4,	JA	.
	END

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