;
;       CPE 221 Assembly Example
;	
;      This program adds a scalar value to all the elements in one
;      array and stores that in another array.
;  
;      using namespace std;
;
;      int main()
;      {
;        const int size = 10;
;        int x[size] = {5, 3, -1, 2, 4, 37, -100, 13, -5, 0};
;        int y[size];
;        int a = 5;
;        int i;
;        for (i = 0; i < size; i++)
;          y[i] = x[i] + a;
;      }
;
;

		.org	200
size:		.dc	10
a:		.dc	5
x:		.dc	5, 3, -1, 2, 4, 37, -100, 13, -5, 0
y:		.dw	10
orig:		.org	1000
		lar	r30, done
		lar	r29, loop

		lar	r10, x			; pointer to first element of x
		lar	r11, y			; pointer to first element of y
		ld	r1, size		; holds size of arrays
		ld	r4, 0			; i = 0
		ld	r2, a			; load a into r2

loop:		sub	r5, r4, r1		; Check to see whether index < size.
		brpl	r30, r5		; If not, done.
		shl	r6, r4, 2		; Multiply index by 4 to access entry 
						; in array by byte address.
		add	r3, r6, r10		; Add index to base pointer of x.
		add	r8, r6, r11		; Add index to base pointer of y.
		ld	r7, 0(r3)		; Load array[i] into r7.
		add	r7, r7, r2		; Add a to x[i]
		st	r7, 0(r8)		; Store result in y.
		addi	r4, r4, 1		; i++
		br	r29
done:		stop