Числа Фибоначчи в Assembler

.data

  space:.asciiz  " "      
  head: .asciiz  "The Fibonacci numbers are:\n"
  fib: .word   0 : 15    
  size: .word  15  
       
.text

main:
  la   $t0, fib   
  la   $t5, size    
  lw   $t5, 0($t5)  
  li   $t2, 1       
  add.d $f0, $f2, $f4
  sw   $t2, 0($t0)  
  sw   $t2, 4($t0)  
  addi $t1, $t5, -2    
   
loop: 
  lw   $t3, 0($t0)   
  lw   $t4, 4($t0)  
  add  $t2, $t3, $t4    
  sw   $t2, 8($t0)  
  addi $t0, $t0, 4  
  addi $t1, $t1, -1     
  bgtz $t1, loop    
  la   $a0, fib    
  move $a1, $t5
  jal  print    
  li   $v0, 10      
  syscall  
       
print:
  add  $t0, $zero, $a0  
  add  $t1, $zero, $a1  
  la   $a0, head    
  li   $v0, 4       
  syscall       
      
out:  
  lw   $a0, 0($t0)     
  li   $v0, 1      
  syscall       
  la   $a0, space   
  li   $v0, 4       
  syscall      
  addi $t0, $t0, 4  
  addi $t1, $t1, -1    
  bgtz $t1, out  
  jr   $ra