.address 0x00400000
.data
hello_world: .asciiz "Hello World\n"
a1: .word 1, 2, 3, 4, 5 
a2: .word 1, 2, 3, 4, 5 
a3: .word 1, 2, 3, 4, 5 
a4: .word 1, 2, 3, 4, 5 
a5: .word 1, 2, 3, 4, 5 
a6: .byte 'a', 'b', 'c', 'd'

.text
main:
    addiu $a1, $zero, 0x0
    addiu $a2, $zero, 0xa
add1:
    addu $a1, $a1, 0x1
    subu $a2, $a2, 0x1
    lb $a3, a6
    j add1
finish:
    syscall