module DPCM_Decoder (Fx, FR);

	input [3:0] Fx;
	output [8:0] FR;

	wire [15:0] Dec1_out;

	DPCM_Decoder1 dec1 (.Dec1_in(Fx), .Dec1_out(Dec1_out) );
	DPCM_Decoder2 dec2 (.Dec2_in(Dec1_out), .Dec2_out(FR) );

endmodule // DPCM_Decoder