Trans flag in ARM64 assembly

trans.s

.global _start
.align 2

_start:
    ; print
    mov X16, #4
    mov X0, #1
    adr X1, str
    mov X2, len
    svc 0
    
    ; exit
    mov X16, #1
    mov X0, #0
    svc 0

str: .ascii "\033[46;1m                 \n"
.ascii "\033[45;1m                 \n"
.ascii "\033[47;1m                 \n"
.ascii "\033[45;1m                 \n"
.ascii "\033[46;1m                 \n"
.ascii "\033[0m"

len = . - str