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[pdp8.git] / sw / f4 / FRTSRC / ifix.ra

/
/ VERSION 5A 4-27-77  PT
/
	SECT	IFIX
	ENTRY	AINT
	ENTRY	INT
	BASE	0
AINT,
INT,	FLDA	0		/ADDRESS OF CALL
	STARTD
	FSTA	RETRN		/SAVE RERN
	FADD	TWO		/INCR BY TWO
	FSTA	3		/GIVES ADDRESS OF ARG POINTER
	FLDA%	3		/GET ADDR OF ARG
	FSTA	3
	STARTF
	FLDA%	3		/GET ARG
	JAL	RETRN	/LEAVE BIGGIES ALONE
	JLT	NEGFIX		/NEGATIVE ARG
	ALN	0		/FIX POSITIVE ARG
	FNORM
	JA	RETRN		/RETURN
NEGFIX,	FNEG			/FIRST MAKE POSITIVE
	ALN	0		/THEN FIX
	FNORM
	FNEG			/THEN RE-NEGATE
RETRN,	JA .
TWO,	0;2
	END
\f