mips: somma 2 interi inseriti

.data
    reqMex: .asciiz "Inserisci un intero: "
    respMex: .asciiz "\nrisultato: "

.text
    #req intero mex
    li $v0, 4
    la $a0, reqMex
    syscall
    #req intero
    li $v0, 5
    syscall
    #move in $t1 from $v0
    move $t0, $v0

    #req intero mex 2
    li $v0, 4
    la $a1, reqMex
    syscall
    #req intero 2
    li $v0, 5
    syscall
    #move in $t1 from $v0
    move $t1, $v0

    #calcolate
    add $t0, $t0, $t1

    #resp message
    li $v0, 4
    la $a0, respMex
    syscall

    #resp intero
    li $v0, 1
    move $a0, $t0
    syscall