title: MIPS in mars: address out of range
body: <p>I'm trying to run a program but it gives me this errror "line 48: Runtime exception at 0x00400088: address out of range 0x00000000"</p>
  
  <pre><code>toUpperCase:
      bgt $t5, $s2, exit_toUpperCase  
      lb $t1, ($t5)           # address out of range in this line 
      add $t5, $t5, 1             
      bgt $t1, 96, check_ASCII_number     
  
      j toUpperCase
  </code></pre>