// --------------------------------------------------------------------
//
// Major Functions:	3 Line Buffer, for Image Kernels
//
// --------------------------------------------------------------------
//
// Revision History :
// --------------------------------------------------------------------
//   Ver  :| Author            :| Mod. Date :| Changes Made:
//   V1.0 :| Holguer A Becerra :| 17/15/02  :| Initial Revision
// --------------------------------------------------------------------


module linebuffer_3Lines(data,EN, clock, dataout,
	dataout_x0y0,
	dataout_x1y0,
	dataout_x2y0,
	dataout_x0y1,
	dataout_x1y1,
	dataout_x2y1,
	dataout_x0y2,
	dataout_x1y2,
	dataout_x2y2);
parameter NUMBER_OF_LINES=3;
parameter WIDTH=800;
parameter NUMBER_OF=NUMBER_OF_LINES*WIDTH;
parameter BUS_SIZE=30;
input clock;
input EN;
input [BUS_SIZE-1:0]data;
output [BUS_SIZE-1:0]dataout;
output [BUS_SIZE-1:0]dataout_x0y0;
output [BUS_SIZE-1:0]dataout_x1y0;
output [BUS_SIZE-1:0]dataout_x2y0;
output [BUS_SIZE-1:0]dataout_x0y1;
output [BUS_SIZE-1:0]dataout_x1y1;
output [BUS_SIZE-1:0]dataout_x2y1;
output [BUS_SIZE-1:0]dataout_x0y2;
output [BUS_SIZE-1:0]dataout_x1y2;
output [BUS_SIZE-1:0]dataout_x2y2;





reg [BUS_SIZE-1:0]fp_delay[0:NUMBER_OF-1];

assign dataout[BUS_SIZE-1:0]=fp_delay[NUMBER_OF-1][BUS_SIZE-1:0];

always@(posedge clock)
begin
	if(EN)fp_delay[0][BUS_SIZE-1:0]<=data[BUS_SIZE-1:0];
	else fp_delay[0][BUS_SIZE-1:0]<=fp_delay[0][BUS_SIZE-1:0];
end

genvar index;
generate

for (index=NUMBER_OF-1; index >= 1; index=index-1)
	begin: delay_generate
			always@(posedge clock)
				begin
					if(EN)fp_delay[index][BUS_SIZE-1:0]<=fp_delay[index-1][BUS_SIZE-1:0];
					else fp_delay[index][BUS_SIZE-1:0]<=fp_delay[index][BUS_SIZE-1:0];
				end
	
	end
endgenerate
//
assign dataout_x0y0[BUS_SIZE-1:0]=fp_delay[(NUMBER_OF-1)][BUS_SIZE-1:0];
assign dataout_x1y0[BUS_SIZE-1:0]=fp_delay[(NUMBER_OF-2)][BUS_SIZE-1:0];
assign dataout_x2y0[BUS_SIZE-1:0]=fp_delay[(NUMBER_OF-3)][BUS_SIZE-1:0];
assign dataout_x0y1[BUS_SIZE-1:0]=fp_delay[(NUMBER_OF-WIDTH-1)][BUS_SIZE-1:0];
assign dataout_x1y1[BUS_SIZE-1:0]=fp_delay[(NUMBER_OF-WIDTH-2)][BUS_SIZE-1:0];
assign dataout_x2y1[BUS_SIZE-1:0]=fp_delay[(NUMBER_OF-WIDTH-3)][BUS_SIZE-1:0];
assign dataout_x0y2[BUS_SIZE-1:0]=fp_delay[(NUMBER_OF-(2*WIDTH)-1)][BUS_SIZE-1:0];
assign dataout_x1y2[BUS_SIZE-1:0]=fp_delay[(NUMBER_OF-(2*WIDTH)-2)][BUS_SIZE-1:0];
assign dataout_x2y2[BUS_SIZE-1:0]=fp_delay[(NUMBER_OF-(2*WIDTH)-3)][BUS_SIZE-1:0];




endmodule