RETURNING FROM FORTH WORDS ---------------------------------------------------------- the EXIT function QUADRUPLE +------------------+ | codeword | +------------------+ | addr of DOUBLE | +------------------+ DOUBLE | addr of DOUBLE ---------------> +------------------+ +------------------+ | codeword | %esi -> | addr of EXIT | +------------------+ +------------------+ | addr of DUP | +------------------+ | addr of + | +------------------+ | addr of EXIT | +------------------+ ... we are calling DOUBLE again 19