intro1.s

.data
.globl first
first:  .word 5, 4, 3
        .word 2
        .word 1
.globl last
last:   .word 0

.text
.globl main
main:
        la $t1, first        #load address, $t1 = 0
        lw $t2, 0($t1)       #load content from M[$t1+0] $t2 = 5
        lw $t5, 4($t1)       #load content from M[$t1+4] $t5 = 4
        add $t2, $t2, $t5    #add contents of $t2 & $t5, store result in $t2
        lw $t5, 8($t1)       #load content from M[$t1+8], $t5=3
        add $t2, $t2, $t5    #$t2 = $t2+$t5 ($t2 = 12)
        lw $t5, 12($t1)      #load from M[$t1+12] $t5 = 2
        add $t2, $t2, $t5    #$t2 = $t2+$t5 ($t2 = 14)
        addi $t2, $t2, 1     #add immediate number (constant number) 1 to content of $t2, put result in $t2. $t2=$t2+1=15
        li $v0, 10           #load system call code 10 (exit) to $v0
        syscall              #Make the system call $v0