one_hot.v

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// Copyright 2007 Altera Corporation. All rights reserved.  
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// binary to one_hot decoder
//   for output width 64 (input width 6) this uses 64 6-LUTs.
//

module one_hot (in,out);

`include "log2.inc"

parameter WIDTH = 64;
parameter LOG_WIDTH = log2(WIDTH-1);

input [LOG_WIDTH-1:0] in;
output [WIDTH-1:0] out;
reg [WIDTH-1:0] out;

always @(in) begin
	out = 0;
	out[in] = 1'b1;
end

endmodule