import time
time.sleep(0.1) # Wait for USB to become ready

print("Hello, Pi Pico!")
@micropython.asm_thumb
def quad(r0):
    b(START)
    label(DOUBLE)
    add(r0,r0,r0)
    bx(lr)
    label(START)
    bl(DOUBLE)
    bl(DOUBLE)

print(quad(10))

@micropython.asm_thumb
def fib(r0):
    b(START)
    label(DOFIB)
    push({r1, r2, lr})
    cmp(r0, 1)
    ble(FIBDONE)
    sub(r0, 1)
    mov(r2, r0) # r2 = n -1
    bl(DOFIB)
    mov(r1, r0) # r1 = fib(n -1)
    sub(r0, r2, 1)
    bl(DOFIB) # r0 = fib(n -2)
    add(r0, r0, r1)
    label(FIBDONE)
    pop({r1, r2, r3})
    bx(r3)
    label(START)
    bl(DOFIB)


while True:
    x = int(input("Dame un numero: "))
    for n in range(x):
        print("Fib( ",n,")",fib(n))