.text
	lw	$2,four
	lw	$3,ubound
	lw	$6,one
	add	$4,$0,$0
	add	$5,$0,$0
top:	slt	$8,$4,$3        /* stall 1 cycle */
	beq	$8,$0,loop      /* stall 3 cycles */
	
	add	$7,$5,$6
	sw	$7, 0($4)
	add     $5,$0,$6 
	add     $6,$0,$7 
	add	$4,$4,$2
	beq     $0, $0, top
	
loop:	beq	$0, $0, loop
	
	.data
four:	.word 0x00000004
ubound: .word 0x00000010
one:    .word 0x00000001