D_CTRL_RCYC_MASK
(((x) >> D_CTRL_RCYC_SHIFT) & D_CTRL_RCYC_MASK)
((x) & ~(D_CTRL_RCYC_MASK << D_CTRL_RCYC_SHIFT))
(D_CTRL_RCYC_MASK << D_CTRL_RCYC_SHIFT)))