text: @micropython.asm_thumb
  def f(r0, r1, r2):
      push({r0})
      push({r1, r2})
      pop({r0})
      pop({r1, r2})
  
  
  @micropython.asm_thumb
  def g():
      b(START)
      label(SUBROUTINE)
      push({lr})  # push return address
      mov(r0, 7)
      pop({pc})  # return
      label(START)
      bl(SUBROUTINE)
  
  
  print(f(0, 1, 2))
  print(g())
  