def each_params_by_register(self, nb, proto):
        """
        From the Dalvik Bytecode documentation:

        > The N arguments to a method land in the last N registers
        > of the method's invocation frame, in order.
        > Wide arguments consume two registers.
        > Instance methods are passed a this reference as their first argument.

        This method will print a description of the register usage to stdout.

        :param nb: number of registers
        :param proto: descriptor of method
        """
        bytecode._PrintSubBanner("Params")

        ret = proto.split(')')
        params = ret[0][1:].split()
        if params:
            bytecode._PrintDefault("- local registers: v%d...v%d\n" %
                                   (0, nb - len(params) - 1))
            j = 0
            for i in range(nb - len(params), nb):
                bytecode._PrintDefault("- v%d: %s\n" % (i, get_type(params[j])))
                j += 1
        else:
            bytecode._PrintDefault("local registers: v%d...v%d\n" % (0, nb - 1))

        bytecode._PrintDefault("- return: %s\n" % get_type(ret[1]))
        bytecode._PrintSubBanner()