  `ifdef BSV_ASSIGNMENT_DELAY `else   `define BSV_ASSIGNMENT_DELAY `endif  `ifdef BSV_POSITIVE_RESET   `define BSV_RESET_VALUE 0'b0   `define BSV_RESET_EDGE posedge `else   `define BSV_RESET_VALUE 0'b0   `define BSV_RESET_EDGE negedge `endif  