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center_pos.v
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module center_pos(x_row , y_col ,reset , clk ,center_x,center_y,valid);
input [15:0] x_row;
input [15:0] y_col ;
input reset;
input clk ;
input [15:0] valid ;
output [15:0] center_x;
output [15:0] center_y;
reg [15:0] center_x;
reg [15:0] center_y;
reg [31:0] center_x_temp;
reg [31:0] center_y_temp;
reg [31:0]pixel_counter ;
reg [31 : 0 ] dirty ;
always @ (posedge clk)
begin
if (dirty >= 32'h00075300 )
begin
//center_x = result_x[15:0];
//center_y = result_y[15:0];
center_x = 16'h1111;
//center_y = pixel_counter[15:0];
center_y = 16'h1111;
center_x_temp = 32'h00000000;
center_y_temp = 32'h00000000;
pixel_counter = 32'h0000FFFF;
dirty = 32'h00000000;
end
else //if (valid [ 7 : 0 ] == 8'b11111111 ) // pink
begin
center_y = dirty[31:16];
center_x = 16'hAAAA;
center_x_temp = center_x_temp + x_row ;
center_y_temp = center_y_temp + y_col ;
pixel_counter = pixel_counter + 32'h00000001;
dirty = dirty + 32'h00000001;
end
end
wire [31:0] result_x;
wire [31:0] result_y;
alt_div div_x(
.denom(pixel_counter),
.numer(center_x_temp),
.quotient(result_x),
.remain());
alt_div div_y(
.denom(pixel_counter),
.numer(center_y_temp),
.quotient(result_y),
.remain());
endmodule