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Copy pathdemux_8line_8bit.v
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demux_8line_8bit.v
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module demux_8line_8bit(in, sel, out0, out1, out2, out3, out4, out5, out6, out7);
input [7:0] in;
input [2:0] sel;
output reg [7:0] out0;
output reg [7:0] out1;
output reg [7:0] out2;
output reg [7:0] out3;
output reg [7:0] out4;
output reg [7:0] out5;
output reg [7:0] out6;
output reg [7:0] out7;
always @(in or sel)
begin
case(sel)
4'd0:
begin
out0 = in;
out1 = 8'bxxxxxxxx;
out2 = 8'bxxxxxxxx;
out3 = 8'bxxxxxxxx;
out4 = 8'bxxxxxxxx;
out5 = 8'bxxxxxxxx;
out6 = 8'bxxxxxxxx;
out7 = 8'bxxxxxxxx;
end
4'd1:
begin
out0 = 8'bxxxxxxxx;
out1 = in;
out2 = 8'bxxxxxxxx;
out3 = 8'bxxxxxxxx;
out4 = 8'bxxxxxxxx;
out5 = 8'bxxxxxxxx;
out6 = 8'bxxxxxxxx;
out7 = 8'bxxxxxxxx;
end
4'd2:
begin
out0 = 8'bxxxxxxxx;
out1 = 8'bxxxxxxxx;
out2 = in;
out3 = 8'bxxxxxxxx;
out4 = 8'bxxxxxxxx;
out5 = 8'bxxxxxxxx;
out6 = 8'bxxxxxxxx;
out7 = 8'bxxxxxxxx;
end
4'd3:
begin
out0 = 8'bxxxxxxxx;
out1 = 8'bxxxxxxxx;
out2 = 8'bxxxxxxxx;
out3 = in;
out4 = 8'bxxxxxxxx;
out5 = 8'bxxxxxxxx;
out6 = 8'bxxxxxxxx;
out7 = 8'bxxxxxxxx;
end
4'd4:
begin
out0 = 8'bxxxxxxxx;
out1 = 8'bxxxxxxxx;
out2 = 8'bxxxxxxxx;
out3 = 8'bxxxxxxxx;
out4 = in;
out5 = 8'bxxxxxxxx;
out6 = 8'bxxxxxxxx;
out7 = 8'bxxxxxxxx;
end
4'd5:
begin
out0 = 8'bxxxxxxxx;
out1 = 8'bxxxxxxxx;
out2 = 8'bxxxxxxxx;
out3 = 8'bxxxxxxxx;
out4 = 8'bxxxxxxxx;
out5 = in;
out6 = 8'bxxxxxxxx;
out7 = 8'bxxxxxxxx;
end
4'd6:
begin
out0 = 8'bxxxxxxxx;
out1 = 8'bxxxxxxxx;
out2 = 8'bxxxxxxxx;
out3 = 8'bxxxxxxxx;
out4 = 8'bxxxxxxxx;
out5 = 8'bxxxxxxxx;
out6 = in;
out7 = 8'bxxxxxxxx;
end
4'd7:
begin
out0 = 8'bxxxxxxxx;
out1 = 8'bxxxxxxxx;
out2 = 8'bxxxxxxxx;
out3 = 8'bxxxxxxxx;
out4 = 8'bxxxxxxxx;
out5 = 8'bxxxxxxxx;
out6 = 8'bxxxxxxxx;
out7 = in;
end
default:
begin
out0 = 8'bxxxxxxxx;
out1 = 8'bxxxxxxxx;
out2 = 8'bxxxxxxxx;
out3 = 8'bxxxxxxxx;
out4 = 8'bxxxxxxxx;
out5 = 8'bxxxxxxxx;
out6 = 8'bxxxxxxxx;
out7 = 8'bxxxxxxxx;
end
endcase
end
endmodule