;
;	CPE 221 Assembly Example
;	
;	This program adds a scalar value to all the elements in one
;      array and stores that in another array.
;
;
;

		.org	200
size:		.dc	10
array1:	.dc	100, 3, -1, 2, 4, 4, 2, -1, 3, 100 
array2:	.dc	-53, 247, 95, -7, 481, 91, -33, 1500, 29, -83
array3:	.dw	10
i:            .dc    0
orig:		.org	1000
		la	r29, loop
              la     r28, done
		la	r10, array1		; pointer to first element of array1
		la	r11, array2		; pointer to first element of array2
              la     r12, array3         ; pointer to first element of array3
		ld	r1, size		; holds size of arrays
              ld     r2, i               ; holds loop counter
loop:		sub    r3, r2, r1          ; compute i - size
              brpl   r28, r3             ; if i - size >= 0, done
              ld     r3, 0(r10)          ; r3 = array1[i]
              ld     r4, 0(r11)          ; r4 = array2[i]
              add    r4, r4, r3          ; r4 = array1[i] + array2[i]
	       st	r4, 0(r12)		; Store result in array3.
              addi   r10, r10, 4         ; update r10 to point to next element of array1
              addi   r11, r11, 4         ; update r11 to point to next element of array2
              addi   r12, r12, 4         ; update r12 to poitn to next element of array3
		addi	r2, r2, 1		; i++
		br	r29
done:     	stop