title: cant print whitespace on the screen between the numbers
body: <p>this code finds submatrixes that its determinant is equal to zero but it cant print whitespace and lines between numbers.</p>
  
  <p>how can i print lines and whitespace between numbers?</p>
  
  <p>this is the complete code :</p>
  
  <pre><code>.text
  .globl main
  main:
  
  la $t0,blank
  add $t1,$t0,$zero
  li $s5,-1
  
  li $v0,5
  syscall
  add $s0,$v0,$zero   #$s0=n
  mul $t2,$s0,$s0  #t2=n^2
  sub $t3,$t2,$s0  #t3=n^2-n, barya check nakardan e n taye  akhar
  
  voroodi:
  beq $t2,0,process
  subi $t2,$t2,1
  li $v0,5
  syscall
  sw $v0,($t1)    #save dar hafeze
  addi $t1,$t1,4
  j voroodi
  process:
  
  addi $s5,$s5,1
  div $a0,$s5,$s0
  mfhi $s6
  subi $a0,$s0,1
  beq $s6,$a0,process
  beq $s5,$t3,fi
  sll $s3,$s5,2   #shomarande khooneye i om e matrix
  add $t4,$t0,$s3
  
  lw $t9,($t4)    #load e a1
  lw $t8,4($t4)   #load e a2
  add $s4,$s0,$zero
  sll $s4,$s0,2
  add $s4,$s4,$t4 #dasresi be khoone 3vvom e determinan
  lw $t7,($s4)    #load e a3
  lw $t6,4($s4)   #load e a4
  mul $s7,$t9,$t6
  mul $s6,$t8,$t7
  sub $s7,$s7,$s6
  beq $s7,0,print
  j process
  
  
  print:
  beq $t5,0,skip
  la $a0,lines
  li $v0,4
  syscall
  
  
  skip:
  
  add $a0,$t9,$zero
  li $v0,1
  syscall
  
  la $a0,space
  li $v0,4
  syscall
  
  add $a0,$t8,$zero
  li $v0,1
  syscall
  
  la $a0,next_line
  li $v0,4
  syscall
  
  add $a0,$t7,$zero
  li $v0,1
  syscall
  
  li $v0,4
  la $a0,space
  syscall
  
  add $a0,$t6,$zero
  li $v0,1
  syscall
  
  addi $t5,$t5,1
  
  
  j process
  
  
  
  fi:
  
  bne $t5,0,finish
  li $v0,4
  la $a0,no_result
  finish:
  
  .data
  blank:
  .asciiz ""
  space:
  .asciiz " "
  next_line:
  .asciiz "\n"
  lines:
  .asciiz "--"
  no_result:
  .ascii "No such a matrix available"
  </code></pre>