#xxx
mov x16, #338
ADD R7, R7, #4 ; a = a + 4
sub r0, r1, #3 @ r0 = r1 - 3
svc #0x80
SUB R8, R7, #0xC ; b = a − 12
mov r0, #0xFF0 @ r0 = 0xFF0
xxxh
int 80h
$xxx
int $0x80