hamming decode

.data
uncoded_num: .word 0xa13
decoded_num: .word 0

.text
main:
    la x1, uncoded_num
    lw x2, 0(x1)
    andi x3, x2, 1
    srli x4, x2, 1
    andi x4, x4, 1
    srli x5, x2, 3
    andi x5, x5, 1
    srli x6, x2, 7
    andi x5, x5, 1
    srli x7, x2, 2
    andi x7, x7, 1
    srli x8, x2, 4
    andi x8, x8, 0x07
    srli x9, x2, 8
    andi x9, x9, 0x0f
    slli x7, x7, 0
    slli x8, x8, 1
    slli x9, x9, 4
    or x10, x7, x8
    or x10, x10, x9
    sb x10, 4(x1)