.text
main: addi $sp, $sp, -8
      sw   $ra,  4($sp)
      sw   $s0,  0($sp)   #alloco un registro nello stack
      lw   $a0, N         #carico N
      add  $s0, $s0, $a0  #s0 = N
      jal func
      add $t0, $0, $0
      add $t1, $0, $0
      lw   $s0, 0($sp)
      lw   $ra, 4($sp)
      addi  $sp, $sp, 8
      jr $ra



func: addi $sp, $sp, -4
      sw   $ra,  0($sp)             #alloco un registro nello stack
      beq  $s0, $0, RETURN          #se N == 0 -> RETURN
      addi $s0, $s0, -1             #N = N-1
      jal  func
      jal  min
      addi $v1, $v1, 1              #v1 = v0 + 1
      lw   $ra, 0($sp)
      addi $sp, $sp, 4
      jr $ra

min: addi $t0, $0, 10     #t0 = 10
     slt  $t1, $v1, $t0    #t0 == 1 se T(n-1)<10
     beq  $t1 ,$0, somma
     addi $v1, $v1, 10
     jr $ra

somma: add $v1, $v1, $v1        #v0=0+$v0
       jr  $ra

RETURN: add $v1,$v1, $0
        jr  $ra

.data
    N: .word 2