//+FHDR--------------------------------------------------------------------------------------------------------
//  Company: 
//-----------------------------------------------------------------------------------------------------------------
//  File Name             :    TailCorr_top.v
//  Department            :    
//  Author                :    thfu
//  Author's Tel          :     
//-----------------------------------------------------------------------------------------------------------------
//  Relese History
//  Version     Date            Author          Description
//  0.3        2024-05-15      thfu
//-----------------------------------------------------------------------------------------------------------------
//  Keywords            :       
//
//-----------------------------------------------------------------------------------------------------------------
//  Parameter
//
//-----------------------------------------------------------------------------------------------------------------
//  Purpose                 :
//                      
//-----------------------------------------------------------------------------------------------------------------
//  Target Device:        
//  Tool versions:        
//-----------------------------------------------------------------------------------------------------------------
//  Reuse Issues
//  Reset Strategy: 
//  Clock Domains: 
//  Critical Timing:
//  Asynchronous I/F:
//  Synthesizable (y/n): 
//  Other:
//-FHDR--------------------------------------------------------------------------------------------------------

module 	IIR_top_ref	 	

(
input rstn
,input clk
,input  en
,input  signed [15:0] IIRin_p0
,input  signed [15:0] IIRin_p1
,input  signed [15:0] IIRin_p2
,input  signed [15:0] IIRin_p3
,input  signed [15:0] IIRin_p4
,input  signed [15:0] IIRin_p5
,input  signed [15:0] IIRin_p6
,input  signed [15:0] IIRin_p7
,input   signed	[31   :0]   a_re
,input   signed	[31   :0]   a_im
,input   signed	[31   :0]   ab_re
,input   signed	[31   :0]   ab_im
,input   signed	[31   :0]   abb_re
,input   signed	[31   :0]   abb_im
,input   signed	[31   :0]   ab_pow3_re
,input   signed	[31   :0]   ab_pow3_im
,input   signed	[31   :0]   ab_pow4_re
,input   signed	[31   :0]   ab_pow4_im
,input   signed	[31   :0]   ab_pow5_re
,input   signed	[31   :0]   ab_pow5_im
,input   signed	[31   :0]   ab_pow6_re
,input   signed	[31   :0]   ab_pow6_im
,input   signed	[31   :0]   ab_pow7_re
,input   signed	[31   :0]   ab_pow7_im
,input   signed	[31   :0]   b_pow8_re
,input   signed	[31   :0]   b_pow8_im

,output signed [15:0]  IIRout_p0 
,output signed [15:0]  IIRout_p1 
,output signed [15:0]  IIRout_p2 
,output signed [15:0]  IIRout_p3 
,output signed [15:0]  IIRout_p4 
,output signed [15:0]  IIRout_p5 
,output signed [15:0]  IIRout_p6 
,output signed [15:0]  IIRout_p7 
		 	);
		
reg signed	[15:0] IIRin_p0_r1;
reg signed	[15:0] IIRin_p1_r1;
reg signed	[15:0] IIRin_p2_r1;
reg signed	[15:0] IIRin_p3_r1;
reg signed	[15:0] IIRin_p4_r1;
reg signed	[15:0] IIRin_p5_r1;
reg signed	[15:0] IIRin_p6_r1;
reg signed	[15:0] IIRin_p7_r1;
always @(posedge clk or negedge rstn) 
  	if (!rstn)
		 begin
		    IIRin_p0_r1  <= 'h0;
		    IIRin_p1_r1  <= 'h0;
		    IIRin_p2_r1  <= 'h0;
		    IIRin_p3_r1  <= 'h0;
		    IIRin_p4_r1  <= 'h0;
		    IIRin_p5_r1  <= 'h0;
		    IIRin_p6_r1  <= 'h0;
		    IIRin_p7_r1  <= 'h0;
		 end 
	 else if(en)
		 begin
		    IIRin_p0_r1  <= IIRin_p0;
		    IIRin_p1_r1  <= IIRin_p1;
		    IIRin_p2_r1  <= IIRin_p2;
		    IIRin_p3_r1  <= IIRin_p3;
		    IIRin_p4_r1  <= IIRin_p4;
		    IIRin_p5_r1  <= IIRin_p5;
		    IIRin_p6_r1  <= IIRin_p6;
		    IIRin_p7_r1  <= IIRin_p7;
		  end
	 else
		 begin
		    IIRin_p0_r1  <= IIRin_p0_r1;
		    IIRin_p1_r1  <= IIRin_p1_r1;
		    IIRin_p2_r1  <= IIRin_p2_r1;
		    IIRin_p3_r1  <= IIRin_p3_r1;
		    IIRin_p4_r1  <= IIRin_p4_r1;
		    IIRin_p5_r1  <= IIRin_p5_r1;
		    IIRin_p6_r1  <= IIRin_p6_r1;
		    IIRin_p7_r1  <= IIRin_p7_r1;
		  end

IIR_Filter_p8_ref	inst_iir_0_p0 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p0		),
				 	.dinp1			(IIRin_p7_r1		),
				 	.dinp2			(IIRin_p6_r1		),
				 	.dinp3			(IIRin_p5_r1		),
				 	.dinp4			(IIRin_p4_r1		),
				 	.dinp5			(IIRin_p3_r1		),
				 	.dinp6			(IIRin_p2_r1		),
				 	.dinp7			(IIRin_p1_r1		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re			(ab_pow3_re			),
					.ab_pow3_im			(ab_pow3_im			),
					.ab_pow4_re			(ab_pow4_re			),
					.ab_pow4_im			(ab_pow4_im			),
					.ab_pow5_re			(ab_pow5_re			),
					.ab_pow5_im			(ab_pow5_im			),
					.ab_pow6_re			(ab_pow6_re			),
					.ab_pow6_im			(ab_pow6_im			),
					.ab_pow7_re			(ab_pow7_re			),
					.ab_pow7_im			(ab_pow7_im			),
					.b_pow8_re			(b_pow8_re			),
					.b_pow8_im			(b_pow8_im			),
					.dout                   (IIRout_p0                 )
			   );

IIR_Filter_p8_ref	inst_iir_o_p1 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p1		),
				 	.dinp1			(IIRin_p0		),
				 	.dinp2			(IIRin_p7_r1		),
				 	.dinp3			(IIRin_p6_r1		),
				 	.dinp4			(IIRin_p5_r1		),
				 	.dinp5			(IIRin_p4_r1		),
				 	.dinp6			(IIRin_p3_r1		),
				 	.dinp7			(IIRin_p2_r1		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re			(ab_pow3_re			),
					.ab_pow3_im			(ab_pow3_im			),
					.ab_pow4_re			(ab_pow4_re			),
					.ab_pow4_im			(ab_pow4_im			),
					.ab_pow5_re			(ab_pow5_re			),
					.ab_pow5_im			(ab_pow5_im			),
					.ab_pow6_re			(ab_pow6_re			),
					.ab_pow6_im			(ab_pow6_im			),
					.ab_pow7_re			(ab_pow7_re			),
					.ab_pow7_im			(ab_pow7_im			),
					.b_pow8_re			(b_pow8_re			),
					.b_pow8_im			(b_pow8_im			),
					.dout                   (IIRout_p1                 )
			   );
IIR_Filter_p8_ref	inst_iir_0_p2 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p2		),
				 	.dinp1			(IIRin_p1		),
				 	.dinp2			(IIRin_p0		),
				 	.dinp3			(IIRin_p7_r1		),
				 	.dinp4			(IIRin_p6_r1		),
				 	.dinp5			(IIRin_p5_r1		),
				 	.dinp6			(IIRin_p4_r1		),
				 	.dinp7			(IIRin_p3_r1		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re			(ab_pow3_re			),
					.ab_pow3_im			(ab_pow3_im			),
					.ab_pow4_re			(ab_pow4_re			),
					.ab_pow4_im			(ab_pow4_im			),
					.ab_pow5_re			(ab_pow5_re			),
					.ab_pow5_im			(ab_pow5_im			),
					.ab_pow6_re			(ab_pow6_re			),
					.ab_pow6_im			(ab_pow6_im			),
					.ab_pow7_re			(ab_pow7_re			),
					.ab_pow7_im			(ab_pow7_im			),
					.b_pow8_re			(b_pow8_re			),
					.b_pow8_im			(b_pow8_im			),
					.dout                   (IIRout_p2                 )
			   );
IIR_Filter_p8_ref	inst_iir_0_p3 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p3		),
				 	.dinp1			(IIRin_p2		),
				 	.dinp2			(IIRin_p1		),
				 	.dinp3			(IIRin_p0		),
				 	.dinp4			(IIRin_p7_r1		),
				 	.dinp5			(IIRin_p6_r1		),
				 	.dinp6			(IIRin_p5_r1		),
				 	.dinp7			(IIRin_p4_r1		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re			(ab_pow3_re			),
					.ab_pow3_im			(ab_pow3_im			),
					.ab_pow4_re			(ab_pow4_re			),
					.ab_pow4_im			(ab_pow4_im			),
					.ab_pow5_re			(ab_pow5_re			),
					.ab_pow5_im			(ab_pow5_im			),
					.ab_pow6_re			(ab_pow6_re			),
					.ab_pow6_im			(ab_pow6_im			),
					.ab_pow7_re			(ab_pow7_re			),
					.ab_pow7_im			(ab_pow7_im			),
					.b_pow8_re			(b_pow8_re			),
					.b_pow8_im			(b_pow8_im			),
					.dout                   (IIRout_p3                 )
			   );
IIR_Filter_p8_ref	inst_iir_0_p4 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p4		),
				 	.dinp1			(IIRin_p3		),
				 	.dinp2			(IIRin_p2		),
				 	.dinp3			(IIRin_p1		),
				 	.dinp4			(IIRin_p0		),
				 	.dinp5			(IIRin_p7_r1		),
				 	.dinp6			(IIRin_p6_r1		),
				 	.dinp7			(IIRin_p5_r1		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re			(ab_pow3_re			),
					.ab_pow3_im			(ab_pow3_im			),
					.ab_pow4_re			(ab_pow4_re			),
					.ab_pow4_im			(ab_pow4_im			),
					.ab_pow5_re			(ab_pow5_re			),
					.ab_pow5_im			(ab_pow5_im			),
					.ab_pow6_re			(ab_pow6_re			),
					.ab_pow6_im			(ab_pow6_im			),
					.ab_pow7_re			(ab_pow7_re			),
					.ab_pow7_im			(ab_pow7_im			),
					.b_pow8_re			(b_pow8_re			),
					.b_pow8_im			(b_pow8_im			),
					.dout                   (IIRout_p4                 )
			   );
IIR_Filter_p8_ref	inst_iir_0_p5 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p5		),
				 	.dinp1			(IIRin_p4		),
				 	.dinp2			(IIRin_p3		),
				 	.dinp3			(IIRin_p2		),
				 	.dinp4			(IIRin_p1		),
				 	.dinp5			(IIRin_p0		),
				 	.dinp6			(IIRin_p7_r1		),
				 	.dinp7			(IIRin_p6_r1		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re			(ab_pow3_re			),
					.ab_pow3_im			(ab_pow3_im			),
					.ab_pow4_re			(ab_pow4_re			),
					.ab_pow4_im			(ab_pow4_im			),
					.ab_pow5_re			(ab_pow5_re			),
					.ab_pow5_im			(ab_pow5_im			),
					.ab_pow6_re			(ab_pow6_re			),
					.ab_pow6_im			(ab_pow6_im			),
					.ab_pow7_re			(ab_pow7_re			),
					.ab_pow7_im			(ab_pow7_im			),
					.b_pow8_re			(b_pow8_re			),
					.b_pow8_im			(b_pow8_im			),
					.dout                   (IIRout_p5                 )
			   );
IIR_Filter_p8_ref	inst_iir_0_p6 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p6		),
				 	.dinp1			(IIRin_p5		),
				 	.dinp2			(IIRin_p4		),
				 	.dinp3			(IIRin_p3		),
				 	.dinp4			(IIRin_p2		),
				 	.dinp5			(IIRin_p1		),
				 	.dinp6			(IIRin_p0		),
				 	.dinp7			(IIRin_p7_r1		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re			(ab_pow3_re			),
					.ab_pow3_im			(ab_pow3_im			),
					.ab_pow4_re			(ab_pow4_re			),
					.ab_pow4_im			(ab_pow4_im			),
					.ab_pow5_re			(ab_pow5_re			),
					.ab_pow5_im			(ab_pow5_im			),
					.ab_pow6_re			(ab_pow6_re			),
					.ab_pow6_im			(ab_pow6_im			),
					.ab_pow7_re			(ab_pow7_re			),
					.ab_pow7_im			(ab_pow7_im			),
					.b_pow8_re			(b_pow8_re			),
					.b_pow8_im			(b_pow8_im			),
					.dout                   (IIRout_p6                 )
			   );
IIR_Filter_p8_ref	inst_iir_0_p7 (
					.clk			(clk	                ),
					.rstn			(rstn			),
					.en			(en			),
				 	.dinp0			(IIRin_p7		),
				 	.dinp1			(IIRin_p6		),
				 	.dinp2			(IIRin_p5		),
				 	.dinp3			(IIRin_p4		),
				 	.dinp4			(IIRin_p3		),
				 	.dinp5			(IIRin_p2		),
				 	.dinp6			(IIRin_p1		),
				 	.dinp7			(IIRin_p0		),
					.a_re			(a_re			),
					.a_im			(a_im			),
					.ab_re			(ab_re			),
					.ab_im			(ab_im			),
					.abb_re			(abb_re			),
					.abb_im			(abb_im			),
					.ab_pow3_re			(ab_pow3_re			),
					.ab_pow3_im			(ab_pow3_im			),
					.ab_pow4_re			(ab_pow4_re			),
					.ab_pow4_im			(ab_pow4_im			),
					.ab_pow5_re			(ab_pow5_re			),
					.ab_pow5_im			(ab_pow5_im			),
					.ab_pow6_re			(ab_pow6_re			),
					.ab_pow6_im			(ab_pow6_im			),
					.ab_pow7_re			(ab_pow7_re			),
					.ab_pow7_im			(ab_pow7_im			),
					.b_pow8_re			(b_pow8_re			),
					.b_pow8_im			(b_pow8_im			),
					.dout                   (IIRout_p7                 )
			   );

endmodule