.text
    .globl computeX
    .globl computeY

computeX:
# opening linkage
    addi    $sp, $sp, -4
    sw      $ra, 0($sp)

# compute outputX from inputX
    la      $t0, inputX
    lw      $t1, 0($t0)
    addi    $t1, $t1, 1
    la      $t0, outputX
    sw      $t1, 0($t0)

# closing linkage
    addi    $sp, $sp, 4
    jr      $ra
    .end    computeX

computeY:
# opening linkage
    addi    $sp, $sp, -4
    sw      $ra, 0($sp)

# compute outputY from inputY
    la      $t0, inputY
    lw      $t1, 0($t0)
    addi    $t1, $t1, 1
    la      $t0, outputY
    sw      $t1, 0($t0)

# closing linkage
    addi    $sp, $sp, 4
    jr      $ra
    .end    computeY

    .data
    .word   1, 2, 3, 4
outputX:
    .word   0
outputY:
    .word   0