*=$1000

	sei
	
	; native mode
	clc
	xce
	; index 16bit
	rep #%00010000
	.xl
	
	; copy from $000000 (ROM) to $00e7ff 
	.(
	ldx #0
l1
	lda $0000,x
	sta $0000,x
	inx
	beq e
	cpx #$e800
	bne l1
	ldx #$f000
	bne l1
e
	.)

	; emulation mode
	sec
	xce
	cli
	rts