Question

Write a MIPS assembly language program to find the addition of two arrays

Answer 1

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#data segment
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.data     
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      numbers:.word 2,1,5,3,10
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      count: .word 5  
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      ans1: .asciiz "sum = "
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      endl: .asciiz "\n"
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#text segment
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.text
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main:
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      la $a0, numbers         # load array address
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      lw $a1, count           # load number of elements   
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      jal sum                 # call sum function
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      move $a0, $v0           # call print
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      jal print
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      j finish                # finish
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sum:
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      bge $t2, $a1, done      #if t2>=$a1, goto done
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      lw  $t0, 0($a0)         #load value at addr a0 to t0
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      add $t1, $t1, $t0       # sum = sum + array[i]
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      addi $a0, $a0, 4        # add addr by 4 to get the address of   next value in the array
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      addi $t2, $t2, 1        # i = i + 1
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     j sum
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done:
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      move $v0, $t1           # move result to v0
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      jr   $ra                #go to return addr
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print:
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      # code to print ansl, sum and end
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      # deleted for brevity
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      jr $ra                  # return
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finish:
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      li $v0, 10    # exit
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        syscall