;<<CASL匯編語言程序設計>>P32 例2.12
	START
	LEA	GR1,0
	LEA	GR4,N,GR1
	LD 	GR1,N,GR1
	LEA	GR0,-1,GR1
	AND	GR0,-1,GR4
	LEA	GR2,0,GR1
	EOR	GR2,FFFF
	ADD	GR2,0,GR4
	ST	GR2,0,GR4
	LEA	GR3,2,GR2
	LD	GR4,FFFF,GR3
	EOR	GR4,FFFF
	EXIT
FFFF	DC	#FFFF
N	DC	256
	END