bus_mux.v

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// baeckler - 10-28-2006

/////////////////////////////////////////////////////

module bus_mux (din,sel,dout);

parameter DAT_WIDTH = 16;
parameter SEL_WIDTH = 3;
parameter TOTAL_DAT = DAT_WIDTH << SEL_WIDTH;
parameter NUM_WORDS = (1 << SEL_WIDTH);

input [TOTAL_DAT-1 : 0] din;
input [SEL_WIDTH-1:0] sel;
output [DAT_WIDTH-1:0] dout;

genvar i,k;
generate
	for (k=0;k<DAT_WIDTH;k=k+1)
	begin : out
		wire [NUM_WORDS-1:0] tmp;
		for (i=0;i<NUM_WORDS;i=i+1)
		begin : mx
			assign tmp [i] = din[k+i*DAT_WIDTH];
		end
		assign dout[k] = tmp[sel];
	end
endgenerate
endmodule