gpsnavidatagen_4ch.v

基于verilog语言的ＧＰＳ模拟源代码

	 				3,
	 				5: NaviData4 <=0;
	 				
	 				default: 
	 				 if(NB4)
	 				 	NaviData4 <= ~NaviData4;
	 			endcase
	 			
	 		PARITY:
	 			case (Sat4_NavBit_Cnt)
	 				24: NaviData4 <= Sat4_PrtW[0];
	 				25: NaviData4 <= Sat4_PrtW[1];
	 				26: NaviData4 <= Sat4_PrtW[2];
	 				27: NaviData4 <= Sat4_PrtW[3];
	 				28:                              
	 					begin                        
	 					 if (Sat4_Word_Cnt == 9)     
	 					  NaviData4 <= 0;            
	 					 else                        
	 					  NaviData4 <= Sat4_PrtW[4]; 
	 					end                          
	 					                             
	 				29:                              
	 					begin                        
	 					 if (Sat4_Word_Cnt == 9)     
	 					  NaviData4 <= 0;            
	 					 else                        
	 					  NaviData4 <= Sat4_PrtW[5]; 
	 					                             
	 					end                          
	 			endcase
	 			
	 		HOWWORD:
	 			case (Sat4_NavBit_Cnt)
	 				19: begin
	 					case (Sat4_Subframe_Cnt)
	 						0,1,2: NaviData4 <= 0;
	 						3,4:   NaviData4 <= 1;
	 					endcase
	 				end
	 				
	 				20: begin
	 					case (Sat4_Subframe_Cnt)
	 						0,3,4: NaviData4 <= 0;
	 						1,2:   NaviData4 <= 1;
	 					endcase
	 				end
	 				
	 				21: begin
	 					case (Sat4_Subframe_Cnt)
	 						1,3:   NaviData4 <= 0;
	 						0,2,4: NaviData4 <= 1;
	 					endcase
	 				end
	 				
	 				default:
	 					if (NB4)
	 						NaviData4 <= ~NaviData4;
	 			endcase
	 			
	 		NAVIDATAWORD:
	 			if (NB4)
	 				NaviData4 <= ~NaviData4;
	 	endcase
	end

// Generate the parity bits for satellite 1
always @ (posedge in_clk or negedge in_Resetn)
 begin
	 if (!in_Resetn)
	 	Sat1_ParityReg <= 24'b0;
	 else  
	   begin
	    if(Sat1_NavBit_Cnt<24)
	    	Sat1_ParityReg[23] <= NaviData1^Sat1_LastWordD30;
	 	
	 	if((Sat1_NavBit_Cnt<23)&& NB1)
 	 		Sat1_ParityReg[22:0] <= {Sat1_ParityReg[23], Sat1_ParityReg[22:1]};
	   end	
 end

// Generate the parity bits for satellite 2
always @ (posedge in_clk or negedge in_Resetn)
 begin
	 if (!in_Resetn)
	 	Sat2_ParityReg <= 24'b0;
	 else
	   begin
	   	if(Sat2_NavBit_Cnt<24)
	   		Sat2_ParityReg[23] <= NaviData2^Sat2_LastWordD30;
	 	
	 	if((Sat2_NavBit_Cnt<23) && NB2)
 	 		Sat2_ParityReg[22:0] <= {Sat2_ParityReg[23], Sat2_ParityReg[22:1]};
   	   end	
 end

// Generate the parity bits for satellite 3
always @ (posedge in_clk or negedge in_Resetn)
 begin
	 if (!in_Resetn)
	 	Sat3_ParityReg <= 24'b0;
	 else
	   begin
	   	if(Sat3_NavBit_Cnt<24)
	   		Sat3_ParityReg[23] <= NaviData3^Sat3_LastWordD30;
	   		
	 	if((Sat3_NavBit_Cnt<23) && NB3)
 	 		Sat3_ParityReg[22:0] <= {Sat3_ParityReg[23], Sat3_ParityReg[22:1]};
 	   end	
 end

// Generate the parity bits for satellite 4
always @ (posedge in_clk or negedge in_Resetn)
 begin
	 if (!in_Resetn)
	 	Sat4_ParityReg <= 24'b0;
	 else
	   begin
	   	if(Sat4_NavBit_Cnt<24)
	   		Sat4_ParityReg[23] <= NaviData4^Sat4_LastWordD30;
	   	
	 	if((Sat4_NavBit_Cnt<23) && NB4)
 	 		Sat4_ParityReg[22:0] <= {Sat4_ParityReg[23], Sat4_ParityReg[22:1]};
 	   end	
 end

assign Sat1Prtemp1 = Sat1_ParityReg[1]^Sat1_ParityReg[2]^Sat1_ParityReg[5]^Sat1_ParityReg[10]^Sat1_ParityReg[11]^Sat1_ParityReg[12]^Sat1_ParityReg[13]^Sat1_ParityReg[17];
assign Sat1Prtemp2 = Sat1_ParityReg[3]^Sat1_ParityReg[4]^Sat1_ParityReg[7]^Sat1_ParityReg[12]^Sat1_ParityReg[13]^Sat1_ParityReg[14]^Sat1_ParityReg[15]^Sat1_ParityReg[19];
assign Sat1Prtemp3 = Sat1_ParityReg[2]^Sat1_ParityReg[4]^Sat1_ParityReg[5]^Sat1_ParityReg[8]^Sat1_ParityReg[9]^Sat1_ParityReg[14]^Sat1_ParityReg[21]^Sat1_ParityReg[23];

assign Sat1_PrtW[0] = Sat1_LastWordD29^Sat1Prtemp1^Sat1_ParityReg[0]^Sat1_ParityReg[4]^Sat1_ParityReg[9]^Sat1_ParityReg[16]^Sat1_ParityReg[19]^Sat1_ParityReg[22];
assign Sat1_PrtW[1] = Sat1_LastWordD30^Sat1Prtemp1^Sat1_ParityReg[3]^Sat1_ParityReg[6]^Sat1_ParityReg[14]^Sat1_ParityReg[18]^Sat1_ParityReg[20]^Sat1_ParityReg[23];

assign Sat1_PrtW[2] = Sat1_LastWordD29^Sat1Prtemp2^Sat1_ParityReg[0]^Sat1_ParityReg[2]^Sat1_ParityReg[6]^Sat1_ParityReg[11]^Sat1_ParityReg[18]^Sat1_ParityReg[21];
assign Sat1_PrtW[3] = Sat1_LastWordD30^Sat1Prtemp2^Sat1_ParityReg[1]^Sat1_ParityReg[5]^Sat1_ParityReg[8]^Sat1_ParityReg[16]^Sat1_ParityReg[20]^Sat1_ParityReg[22];

assign Sat1_PrtW[4] = Sat1_LastWordD30^Sat1Prtemp3^Sat1_ParityReg[0]^Sat1_ParityReg[6]^Sat1_ParityReg[13]^Sat1_ParityReg[15]^Sat1_ParityReg[16]^Sat1_ParityReg[17]^Sat1_ParityReg[20];
assign Sat1_PrtW[5] = Sat1_LastWordD29^Sat1Prtemp3^Sat1_ParityReg[7]^Sat1_ParityReg[10]^Sat1_ParityReg[12]^Sat1_ParityReg[18]^Sat1_ParityReg[22];

//assign Sat1_PrtW[0] = Sat1_LastWordD29^Sat1_ParityReg[0]^Sat1_ParityReg[1]^Sat1_ParityReg[2]^Sat1_ParityReg[4]^Sat1_ParityReg[5]^Sat1_ParityReg[9]^Sat1_ParityReg[10]^Sat1_ParityReg[11]^Sat1_ParityReg[12]^Sat1_ParityReg[13]^Sat1_ParityReg[16]^Sat1_ParityReg[17]^Sat1_ParityReg[19]^Sat1_ParityReg[22];
//assign Sat1_PrtW[1] = Sat1_LastWordD30^Sat1_ParityReg[1]^Sat1_ParityReg[2]^Sat1_ParityReg[3]^Sat1_ParityReg[5]^Sat1_ParityReg[6]^Sat1_ParityReg[10]^Sat1_ParityReg[11]^Sat1_ParityReg[12]^Sat1_ParityReg[13]^Sat1_ParityReg[14]^Sat1_ParityReg[17]^Sat1_ParityReg[18]^Sat1_ParityReg[20]^Sat1_ParityReg[23];
//
//assign Sat1_PrtW[2] = Sat1_LastWordD29^Sat1_ParityReg[0]^Sat1_ParityReg[2]^Sat1_ParityReg[3]^Sat1_ParityReg[4]^Sat1_ParityReg[6]^Sat1_ParityReg[7]^Sat1_ParityReg[11]^Sat1_ParityReg[12]^Sat1_ParityReg[13]^Sat1_ParityReg[14]^Sat1_ParityReg[15]^Sat1_ParityReg[18]^Sat1_ParityReg[19]^Sat1_ParityReg[21];
//assign Sat1_PrtW[3] = Sat1_LastWordD30^Sat1_ParityReg[1]^Sat1_ParityReg[3]^Sat1_ParityReg[4]^Sat1_ParityReg[5]^Sat1_ParityReg[7]^Sat1_ParityReg[8]^Sat1_ParityReg[12]^Sat1_ParityReg[13]^Sat1_ParityReg[14]^Sat1_ParityReg[15]^Sat1_ParityReg[16]^Sat1_ParityReg[19]^Sat1_ParityReg[20]^Sat1_ParityReg[22];
//
//assign Sat1_PrtW[4] = Sat1_LastWordD30^Sat1_ParityReg[0]^Sat1_ParityReg[2]^Sat1_ParityReg[4]^Sat1_ParityReg[5]^Sat1_ParityReg[6]^Sat1_ParityReg[8]^Sat1_ParityReg[9]^Sat1_ParityReg[13]^Sat1_ParityReg[14]^Sat1_ParityReg[15]^Sat1_ParityReg[16]^Sat1_ParityReg[17]^Sat1_ParityReg[20]^Sat1_ParityReg[21]^Sat1_ParityReg[23];
//assign Sat1_PrtW[5] = Sat1_LastWordD29^Sat1_ParityReg[2]^Sat1_ParityReg[4]^Sat1_ParityReg[5]^Sat1_ParityReg[7]^Sat1_ParityReg[8]^Sat1_ParityReg[9]^Sat1_ParityReg[10]^Sat1_ParityReg[12]^Sat1_ParityReg[14]^Sat1_ParityReg[18]^Sat1_ParityReg[21]^Sat1_ParityReg[22]^Sat1_ParityReg[23];

assign Sat2Prtemp1 = Sat2_ParityReg[1]^Sat2_ParityReg[2]^Sat2_ParityReg[5]^Sat2_ParityReg[10]^Sat2_ParityReg[11]^Sat2_ParityReg[12]^Sat2_ParityReg[13]^Sat2_ParityReg[17];
assign Sat2Prtemp2 = Sat2_ParityReg[3]^Sat2_ParityReg[4]^Sat2_ParityReg[7]^Sat2_ParityReg[12]^Sat2_ParityReg[13]^Sat2_ParityReg[14]^Sat2_ParityReg[15]^Sat2_ParityReg[19];
assign Sat2Prtemp3 = Sat2_ParityReg[2]^Sat2_ParityReg[4]^Sat2_ParityReg[5]^Sat2_ParityReg[8]^Sat2_ParityReg[9]^Sat2_ParityReg[14]^Sat2_ParityReg[21]^Sat2_ParityReg[23];

assign Sat2_PrtW[0] = Sat2_LastWordD29^Sat2Prtemp1^Sat2_ParityReg[0]^Sat2_ParityReg[4]^Sat2_ParityReg[9]^Sat2_ParityReg[16]^Sat2_ParityReg[19]^Sat2_ParityReg[22];
assign Sat2_PrtW[1] = Sat2_LastWordD30^Sat2Prtemp1^Sat2_ParityReg[3]^Sat2_ParityReg[6]^Sat2_ParityReg[14]^Sat2_ParityReg[18]^Sat2_ParityReg[20]^Sat2_ParityReg[23];

assign Sat2_PrtW[2] = Sat2_LastWordD29^Sat2Prtemp2^Sat2_ParityReg[0]^Sat2_ParityReg[2]^Sat2_ParityReg[6]^Sat2_ParityReg[11]^Sat2_ParityReg[18]^Sat2_ParityReg[21];
assign Sat2_PrtW[3] = Sat2_LastWordD30^Sat2Prtemp2^Sat2_ParityReg[1]^Sat2_ParityReg[5]^Sat2_ParityReg[8]^Sat2_ParityReg[16]^Sat2_ParityReg[20]^Sat2_ParityReg[22];

assign Sat2_PrtW[4] = Sat2_LastWordD30^Sat2Prtemp3^Sat2_ParityReg[0]^Sat2_ParityReg[6]^Sat2_ParityReg[13]^Sat2_ParityReg[15]^Sat2_ParityReg[16]^Sat2_ParityReg[17]^Sat2_ParityReg[20];
assign Sat2_PrtW[5] = Sat2_LastWordD29^Sat2Prtemp3^Sat2_ParityReg[7]^Sat2_ParityReg[10]^Sat2_ParityReg[12]^Sat2_ParityReg[18]^Sat2_ParityReg[22];

//assign Sat2_PrtW[0] = Sat2_LastWordD29^Sat2_ParityReg[0]^Sat2_ParityReg[1]^Sat2_ParityReg[2]^Sat2_ParityReg[4]^Sat2_ParityReg[5]^Sat2_ParityReg[9]^Sat2_ParityReg[10]^Sat2_ParityReg[11]^Sat2_ParityReg[12]^Sat2_ParityReg[13]^Sat2_ParityReg[16]^Sat2_ParityReg[17]^Sat2_ParityReg[19]^Sat2_ParityReg[22];
//assign Sat2_PrtW[1] = Sat2_LastWordD30^Sat2_ParityReg[1]^Sat2_ParityReg[2]^Sat2_ParityReg[3]^Sat2_ParityReg[5]^Sat2_ParityReg[6]^Sat2_ParityReg[10]^Sat2_ParityReg[11]^Sat2_ParityReg[12]^Sat2_ParityReg[13]^Sat2_ParityReg[14]^Sat2_ParityReg[17]^Sat2_ParityReg[18]^Sat2_ParityReg[20]^Sat2_ParityReg[23];
//assign Sat2_PrtW[2] = Sat2_LastWordD29^Sat2_ParityReg[0]^Sat2_ParityReg[2]^Sat2_ParityReg[3]^Sat2_ParityReg[4]^Sat2_ParityReg[6]^Sat2_ParityReg[7]^Sat2_ParityReg[11]^Sat2_ParityReg[12]^Sat2_ParityReg[13]^Sat2_ParityReg[14]^Sat2_ParityReg[15]^Sat2_ParityReg[18]^Sat2_ParityReg[19]^Sat2_ParityReg[21];
//assign Sat2_PrtW[3] = Sat2_LastWordD30^Sat2_ParityReg[1]^Sat2_ParityReg[3]^Sat2_ParityReg[4]^Sat2_ParityReg[5]^Sat2_ParityReg[7]^Sat2_ParityReg[8]^Sat2_ParityReg[12]^Sat2_ParityReg[13]^Sat2_ParityReg[14]^Sat2_ParityReg[15]^Sat2_ParityReg[16]^Sat2_ParityReg[19]^Sat2_ParityReg[20]^Sat2_ParityReg[22]
//assign Sat2_PrtW[4] = Sat2_LastWordD30^Sat2_ParityReg[0]^Sat2_ParityReg[2]^Sat2_ParityReg[4]^Sat2_ParityReg[5]^Sat2_ParityReg[6]^Sat2_ParityReg[8]^Sat2_ParityReg[9]^Sat2_ParityReg[13]^Sat2_ParityReg[14]^Sat2_ParityReg[15]^Sat2_ParityReg[16]^Sat2_ParityReg[17]^Sat2_ParityReg[20]^Sat2_ParityReg[21]^Sat2_ParityReg[23];
//assign Sat2_PrtW[5] = Sat2_LastWordD29^Sat2_ParityReg[2]^Sat2_ParityReg[4]^Sat2_ParityReg[5]^Sat2_ParityReg[7]^Sat2_ParityReg[8]^Sat2_ParityReg[9]^Sat2_ParityReg[10]^Sat2_ParityReg[12]^Sat2_ParityReg[14]^Sat2_ParityReg[18]^Sat2_ParityReg[21]^Sat2_ParityReg[22]^Sat2_ParityReg[23];

assign Sat3Prtemp1 = Sat3_ParityReg[1]^Sat3_ParityReg[2]^Sat3_ParityReg[5]^Sat3_ParityReg[10]^Sat3_ParityReg[11]^Sat3_ParityReg[12]^Sat3_ParityReg[13]^Sat3_ParityReg[17];
assign Sat3Prtemp2 = Sat3_ParityReg[3]^Sat3_ParityReg[4]^Sat3_ParityReg[7]^Sat3_ParityReg[12]^Sat3_ParityReg[13]^Sat3_ParityReg[14]^Sat3_ParityReg[15]^Sat3_ParityReg[19];
assign Sat3Prtemp3 = Sat3_ParityReg[2]^Sat3_ParityReg[4]^Sat3_ParityReg[5]^Sat3_ParityReg[8]^Sat3_ParityReg[9]^Sat3_ParityReg[14]^Sat3_ParityReg[21]^Sat3_ParityReg[23];

assign Sat3_PrtW[0] = Sat3_LastWordD29^Sat3Prtemp1^Sat3_ParityReg[0]^Sat3_ParityReg[4]^Sat3_ParityReg[9]^Sat3_ParityReg[16]^Sat3_ParityReg[19]^Sat3_ParityReg[22];
assign Sat3_PrtW[1] = Sat3_LastWordD30^Sat3Prtemp1^Sat3_ParityReg[3]^Sat3_ParityReg[6]^Sat3_ParityReg[14]^Sat3_ParityReg[18]^Sat3_ParityReg[20]^Sat3_ParityReg[23];
                         
assign Sat3_PrtW[2] = Sat3_LastWordD29^Sat3Prtemp2^Sat3_ParityReg[0]^Sat3_ParityReg[2]^Sat3_ParityReg[6]^Sat3_ParityReg[11]^Sat3_ParityReg[18]^Sat3_ParityReg[21];
assign Sat3_PrtW[3] = Sat3_LastWordD30^Sat3Prtemp2^Sat3_ParityReg[1]^Sat3_ParityReg[5]^Sat3_ParityReg[8]^Sat3_ParityReg[16]^Sat3_ParityReg[20]^Sat3_ParityReg[22];
                         
assign Sat3_PrtW[4] = Sat3_LastWordD30^Sat3Prtemp3^Sat3_ParityReg[0]^Sat3_ParityReg[6]^Sat3_ParityReg[13]^Sat3_ParityReg[15]^Sat3_ParityReg[16]^Sat3_ParityReg[17]^Sat3_ParityReg[20];
assign Sat3_PrtW[5] = Sat3_LastWordD29^Sat3Prtemp3^Sat3_ParityReg[7]^Sat3_ParityReg[10]^Sat3_ParityReg[12]^Sat3_ParityReg[18]^Sat3_ParityReg[22];

//assign Sat3_PrtW[0] = Sat3_LastWordD29^Sat3_ParityReg[0]^Sat3_ParityReg[1]^Sat3_ParityReg[2]^Sat3_ParityReg[4]^Sat3_ParityReg[5]^Sat3_ParityReg[9]^Sat3_ParityReg[10]^Sat3_ParityReg[11]^Sat3_ParityReg[12]^Sat3_ParityReg[13]^Sat3_ParityReg[16]^Sat3_ParityReg[17]^Sat3_ParityReg[19]^Sat3_ParityReg[22];
//assign Sat3_PrtW[1] = Sat3_LastWordD30^Sat3_ParityReg[1]^Sat3_ParityReg[2]^Sat3_ParityReg[3]^Sat3_ParityReg[5]^Sat3_ParityReg[6]^Sat3_ParityReg[10]^Sat3_ParityReg[11]^Sat3_ParityReg[12]^Sat3_ParityReg[13]^Sat3_ParityReg[14]^Sat3_ParityReg[17]^Sat3_ParityReg[18]^Sat3_ParityReg[20]^Sat3_ParityReg[23];
//assign Sat3_PrtW[2] = Sat3_LastWordD29^Sat3_ParityReg[0]^Sat3_ParityReg[2]^Sat3_ParityReg[3]^Sat3_ParityReg[4]^Sat3_ParityReg[6]^Sat3_ParityReg[7]^Sat3_ParityReg[11]^Sat3_ParityReg[12]^Sat3_ParityReg[13]^Sat3_ParityReg[14]^Sat3_ParityReg[15]^Sat3_ParityReg[18]^Sat3_ParityReg[19]^Sat3_ParityReg[21];
//assign Sat3_PrtW[3] = Sat3_LastWordD30^Sat3_ParityReg[1]^Sat3_ParityReg[3]^Sat3_ParityReg[4]^Sat3_ParityReg[5]^Sat3_ParityReg[7]^Sat3_ParityReg[8]^Sat3_ParityReg[12]^Sat3_ParityReg[13]^Sat3_ParityReg[14]^Sat3_ParityReg[15]^Sat3_ParityReg[16]^Sat3_ParityReg[19]^Sat3_ParityReg[20]^Sat3_ParityReg[22]
//assign Sat3_PrtW[4] = Sat3_LastWordD30^Sat3_ParityReg[0]^Sat3_ParityReg[2]^Sat3_ParityReg[4]^Sat3_ParityReg[5]^Sat3_ParityReg[6]^Sat3_ParityReg[8]^Sat3_ParityReg[9]^Sat3_ParityReg[13]^Sat3_ParityReg[14]^Sat3_ParityReg[15]^Sat3_ParityReg[16]^Sat3_ParityReg[17]^Sat3_ParityReg[20]^Sat3_ParityReg[21]^Sat3_ParityReg[23];
//assign Sat3_PrtW[5] = Sat3_LastWordD29^Sat3_ParityReg[2]^Sat3_ParityReg[4]^Sat3_ParityReg[5]^Sat3_ParityReg[7]^Sat3_ParityReg[8]^Sat3_ParityReg[9]^Sat3_ParityReg[10]^Sat3_ParityReg[12]^Sat3_ParityReg[14]^Sat3_ParityReg[18]^Sat3_ParityReg[21]^Sat3_ParityReg[22]^Sat3_ParityReg[23];

assign Sat4Prtemp1 = Sat4_ParityReg[1]^Sat4_ParityReg[2]^Sat4_ParityReg[5]^Sat4_ParityReg[10]^Sat4_ParityReg[11]^Sat4_ParityReg[12]^Sat4_ParityReg[13]^Sat4_ParityReg[17];
assign Sat4Prtemp2 = Sat4_ParityReg[3]^Sat4_ParityReg[4]^Sat4_ParityReg[7]^Sat4_ParityReg[12]^Sat4_ParityReg[13]^Sat4_ParityReg[14]^Sat4_ParityReg[15]^Sat4_ParityReg[19];
assign Sat4Prtemp3 = Sat4_ParityReg[2]^Sat4_ParityReg[4]^Sat4_ParityReg[5]^Sat4_ParityReg[8]^Sat4_ParityReg[9]^Sat4_ParityReg[14]^Sat4_ParityReg[21]^Sat4_ParityReg[23];

assign Sat4_PrtW[0] = Sat4_LastWordD29^Sat4Prtemp1^Sat4_ParityReg[0]^Sat4_ParityReg[4]^Sat4_ParityReg[9]^Sat4_ParityReg[16]^Sat4_ParityReg[19]^Sat4_ParityReg[22];
assign Sat4_PrtW[1] = Sat4_LastWordD30^Sat4Prtemp1^Sat4_ParityReg[3]^Sat4_ParityReg[6]^Sat4_ParityReg[14]^Sat4_ParityReg[18]^Sat4_ParityReg[20]^Sat4_ParityReg[23];
                                         
assign Sat4_PrtW[2] = Sat4_LastWordD29^Sat4Prtemp2^Sat4_ParityReg[0]^Sat4_ParityReg[2]^Sat4_ParityReg[6]^Sat4_ParityReg[11]^Sat4_ParityReg[18]^Sat4_ParityReg[21];
assign Sat4_PrtW[3] = Sat4_LastWordD30^Sat4Prtemp2^Sat4_ParityReg[1]^Sat4_ParityReg[5]^Sat4_ParityReg[8]^Sat4_ParityReg[16]^Sat4_ParityReg[20]^Sat4_ParityReg[22];
                                         
assign Sat4_PrtW[4] = Sat4_LastWordD30^Sat4Prtemp3^Sat4_ParityReg[0]^Sat4_ParityReg[6]^Sat4_ParityReg[13]^Sat4_ParityReg[15]^Sat4_ParityReg[16]^Sat4_ParityReg[17]^Sat4_ParityReg[20];
assign Sat4_PrtW[5] = Sat4_LastWordD29^Sat4Prtemp3^Sat4_ParityReg[7]^Sat4_ParityReg[10]^Sat4_ParityReg[12]^Sat4_ParityReg[18]^Sat4_ParityReg[22];

//assign Sat4_PrtW[0] = Sat4_LastWordD29^Sat4_ParityReg[0]^Sat4_ParityReg[1]^Sat4_ParityReg[2]^Sat4_ParityReg[4]^Sat4_ParityReg[5]^Sat4_ParityReg[9]^Sat4_ParityReg[10]^Sat4_ParityReg[11]^Sat4_ParityReg[12]^Sat4_ParityReg[13]^Sat4_ParityReg[16]^Sat4_ParityReg[17]^Sat4_ParityReg[19]^Sat4_ParityReg[22];
//assign Sat4_PrtW[1] = Sat4_LastWordD30^Sat4_ParityReg[1]^Sat4_ParityReg[2]^Sat4_ParityReg[3]^Sat4_ParityReg[5]^Sat4_ParityReg[6]^Sat4_ParityReg[10]^Sat4_ParityReg[11]^Sat4_ParityReg[12]^Sat4_ParityReg[13]^Sat4_ParityReg[14]^Sat4_ParityReg[17]^Sat4_ParityReg[18]^Sat4_ParityReg[20]^Sat4_ParityReg[23];
//assign Sat4_PrtW[2] = Sat4_LastWordD29^Sat4_ParityReg[0]^Sat4_ParityReg[2]^Sat4_ParityReg[3]^Sat4_ParityReg[4]^Sat4_ParityReg[6]^Sat4_ParityReg[7]^Sat4_ParityReg[11]^Sat4_ParityReg[12]^Sat4_ParityReg[13]^Sat4_ParityReg[14]^Sat4_ParityReg[15]^Sat4_ParityReg[18]^Sat4_ParityReg[19]^Sat4_ParityReg[21];
//assign Sat4_PrtW[3] = Sat4_LastWordD30^Sat4_ParityReg[1]^Sat4_ParityReg[3]^Sat4_ParityReg[4]^Sat4_ParityReg[5]^Sat4_ParityReg[7]^Sat4_ParityReg[8]^Sat4_ParityReg[12]^Sat4_ParityReg[13]^Sat4_ParityReg[14]^Sat4_ParityReg[15]^Sat4_ParityReg[16]^Sat4_ParityReg[19]^Sat4_ParityReg[20]^Sat4_ParityReg[22]
//assign Sat4_PrtW[4] = Sat4_LastWordD30^Sat4_ParityReg[0]^Sat4_ParityReg[2]^Sat4_ParityReg[4]^Sat4_ParityReg[5]^Sat4_ParityReg[6]^Sat4_ParityReg[8]^Sat4_ParityReg[9]^Sat4_ParityReg[13]^Sat4_ParityReg[14]^Sat4_ParityReg[15]^Sat4_ParityReg[16]^Sat4_ParityReg[17]^Sat4_ParityReg[20]^Sat4_ParityReg[21]^Sat4_ParityReg[23];
//assign Sat4_PrtW[5] = Sat4_LastWordD29^Sat4_ParityReg[2]^Sat4_ParityReg[4]^Sat4_ParityReg[5]^Sat4_ParityReg[7]^Sat4_ParityReg[8]^Sat4_ParityReg[9]^Sat4_ParityReg[10]^Sat4_ParityReg[12]^Sat4_ParityReg[14]^Sat4_ParityReg[18]^Sat4_ParityReg[21]^Sat4_ParityReg[22]^Sat4_ParityReg[23];

always @ (posedge in_clk or negedge in_Resetn)
 begin
 	if (!in_Resetn)
 	 begin
 	 	Sat1_LastWordD29 <= 0;
 	 	Sat1_LastWordD30 <= 0;
 	 end
 	else
 		if ((Sat1_NavBit_Cnt == 29)&&NB1)
 		 begin
 		 	if (Sat1_Word_Cnt == 9)
 		 	  begin
 		 	 	Sat1_LastWordD29 <= 0;
 		 	 	Sat1_LastWordD30 <= 0;
 		 	  end
 		 	else 
 		 	  begin
 		 		Sat1_LastWordD29 <= Sat1_PrtW[4];
 		 		Sat1_LastWordD30 <= Sat1_PrtW[5];
 		 	  end
 		 end
 end

always @ (posedge in_clk or negedge in_Resetn)
 begin
 	if (!in_Resetn)
 	 begin
 	 	Sat2_LastWordD29 <= 0;
 	 	Sat2_LastWordD30 <= 0;
 	 end
 	else
 		if ((Sat2_NavBit_Cnt == 29)&&NB2)
 		 begin                                     
 		 	if (Sat2_Word_Cnt == 9)                
 		 	  begin                                
 		 	 	Sat2_LastWordD29 <= 0;             
 		 	 	Sat2_LastWordD30 <= 0;             
 		 	  end                                  
 		 	else                                   
 		 	  begin                                
 		 		Sat2_LastWordD29 <= Sat2_PrtW[4];  
 		 		Sat2_LastWordD30 <= Sat2_PrtW[5];  
 		 	  end                                  
 		 end