#Dr. Mark Petzold

.data
	array:   .word  1, 3, 5, 7, 9, 11, 13, 15, 17, 19
			 .word  21, 23, 25, 27, 29, 31, 33, 35, 37, 39
	length:  .word  20
	sum:     .word  0
	average: .word  0
	msg1:    .asciiz "Sum = "
	msg2:    .asciiz "\nAverage = "

.text
.globl main
main:
	la  $t0, array   #array starting address
	li  $t1, 0       #loop index, i = 0
	lw  $t2, length  #length
	li  $t3, 0       #initialization sum


sumLoop:
	lw  $t4, ($t0)   #get array[i]
	add $t3, $t3, $t4
	add $t1, $t1, 1
	add $t0, $t0, 4

	blt $t1, $t2, sumLoop

	sw  $t3, sum     #save sum

	la  $a0, msg1
	li  $v0, 4
	syscall
	lw  $a0, sum
	li  $v0, 1
	syscall

	li  $v0, 10
	syscall
.end main