Question

I have this so far but when instruction reaches the loop I get an error.

Answer 1

 .globl main
   
main:
    la $a0, m1                  # Display a message.
    li $v0, 4
    syscall   
    li $v0, 5
    syscall                
              move $t1,$v0           
             la $a0, m2                  # Display a message.
    li $v0, 4
    syscall   
    li $v0, 5
    syscall                
              move $t2,$v0          
              bne $t1,$t2,different
               la $a0, m3      
                 li $v0 4
                 syscall
                j exit
different:
               bgt $t1,$t2,t1bigger
               sw $t2,big
               sub $t3,$t2,$t1
               j out
t1bigger:
                sw $t1,big
                sub $t3,$t1,$t2
out:
                sw $t3, diff
                lw $a0, big   
                li $v0,1
                syscall
                 li $v0 4
                 la $a0,m4
                 syscall
                 li $v0 4
                 la $a0,m5
                 syscall
                  lw $a0, diff  
                li $v0,1
                syscall
       
exit:
        la $v0,10
       syscall       #exit.

#################################################################
#                                #
#            data segment                #
#                                #
#################################################################

    .data

m1:    .asciiz "Enter a Number: "
m2:         .asciiz "Enter another number: "
m3:    .asciiz "Your numbers are equal, there difference is 0\n "
m4:          .asciiz " is bigger "
m5:            .asciiz " the difference is "
                   .align 4
big:            .space 4
diff:            .space 4