Topic: how shift in(16 bit) and shift out(1 bit at a time)

Topic: how shift in(16 bit) and shift out(1 bit at a time)
Example:shiftin[15..0] and shiftout[0]

How to edit the RAM- based shift register(Altshift_taps) megafunction to meet my requirement
Currently I am using the RAM- based shift register(Altshift_taps) megafunction, on block diagram