> :asm [(*)/ₒ 1 (⍳ 1 x 1)]

    mov x6, x0
    mov x0, #0x1
    mov x2, #0x1
    eor x1, x1, x1
    cmp x1, x6
    b.GE apple_1
apple_0:
    mul x0, x0, x2
    add x2, x2, #0x1
    add x1, x1, #0x1
    cmp x1, x6
    b.LT apple_0
apple_1:
    ret