module test (input [5:0] in, input enable, output reg [63:0] out); always @(in or enable) if(!enable) out = 64'b0000000000000000000000000000000000000000000000000000000000000000; else begin case (in) 6'b000000 : out = 64'b0000000000000000000000000000000000000000000000000000000000000001; 6'b000001 : out = 64'b0000000000000000000000000000000000000000000000000000000000000010; 6'b000010 : out = 64'b0000000000000000000000000000000000000000000000000000000000000100; 6'b000011 : out = 64'b0000000000000000000000000000000000000000000000000000000000001000; 6'b000100 : out = 64'b0000000000000000000000000000000000000000000000000000000000010000; 6'b000101 : out = 64'b0000000000000000000000000000000000000000000000000000000000100000; 6'b000110 : out = 64'b0000000000000000000000000000000000000000000000000000000001000000; 6'b000111 : out = 64'b0000000000000000000000000000000000000000000000000000000010000000; 6'b001000 : out = 64'b0000000000000000000000000000000000000000000000000000000100000000; 6'b001001 : out = 64'b0000000000000000000000000000000000000000000000000000001000000000; 6'b001010 : out = 64'b0000000000000000000000000000000000000000000000000000010000000000; 6'b001011 : out = 64'b0000000000000000000000000000000000000000000000000000100000000000; 6'b001100 : out = 64'b0000000000000000000000000000000000000000000000000001000000000000; 6'b001101 : out = 64'b0000000000000000000000000000000000000000000000000010000000000000; 6'b001110 : out = 64'b0000000000000000000000000000000000000000000000000100000000000000; 6'b001111 : out = 64'b0000000000000000000000000000000000000000000000001000000000000000; 6'b010000 : out = 64'b0000000000000000000000000000000000000000000000010000000000000000; 6'b010001 : out = 64'b0000000000000000000000000000000000000000000000100000000000000000; 6'b010010 : out = 64'b0000000000000000000000000000000000000000000001000000000000000000; 6'b010011 : out = 64'b0000000000000000000000000000000000000000000010000000000000000000; 6'b010100 : out = 64'b0000000000000000000000000000000000000000000100000000000000000000; 6'b010101 : out = 64'b0000000000000000000000000000000000000000001000000000000000000000; 6'b010110 : out = 64'b0000000000000000000000000000000000000000010000000000000000000000; 6'b010111 : out = 64'b0000000000000000000000000000000000000000100000000000000000000000; 6'b011000 : out = 64'b0000000000000000000000000000000000000001000000000000000000000000; 6'b011001 : out = 64'b0000000000000000000000000000000000000010000000000000000000000000; 6'b011010 : out = 64'b0000000000000000000000000000000000000100000000000000000000000000; 6'b011011 : out = 64'b0000000000000000000000000000000000001000000000000000000000000000; 6'b011100 : out = 64'b0000000000000000000000000000000000010000000000000000000000000000; 6'b011101 : out = 64'b0000000000000000000000000000000000100000000000000000000000000000; 6'b011110 : out = 64'b0000000000000000000000000000000001000000000000000000000000000000; 6'b011111 : out = 64'b0000000000000000000000000000000010000000000000000000000000000000; 6'b100000 : out = 64'b0000000000000000000000000000000100000000000000000000000000000000; 6'b100001 : out = 64'b0000000000000000000000000000001000000000000000000000000000000000; 6'b100010 : out = 64'b0000000000000000000000000000010000000000000000000000000000000000; 6'b100011 : out = 64'b0000000000000000000000000000100000000000000000000000000000000000; 6'b100100 : out = 64'b0000000000000000000000000001000000000000000000000000000000000000; 6'b100101 : out = 64'b0000000000000000000000000010000000000000000000000000000000000000; 6'b100110 : out = 64'b0000000000000000000000000100000000000000000000000000000000000000; 6'b100111 : out = 64'b0000000000000000000000001000000000000000000000000000000000000000; 6'b101000 : out = 64'b0000000000000000000000010000000000000000000000000000000000000000; 6'b101001 : out = 64'b0000000000000000000000100000000000000000000000000000000000000000; 6'b101010 : out = 64'b0000000000000000000001000000000000000000000000000000000000000000; 6'b101011 : out = 64'b0000000000000000000010000000000000000000000000000000000000000000; 6'b101100 : out = 64'b0000000000000000000100000000000000000000000000000000000000000000; 6'b101101 : out = 64'b0000000000000000001000000000000000000000000000000000000000000000; 6'b101110 : out = 64'b0000000000000000010000000000000000000000000000000000000000000000; 6'b101111 : out = 64'b0000000000000000100000000000000000000000000000000000000000000000; 6'b110000 : out = 64'b0000000000000001000000000000000000000000000000000000000000000000; 6'b110001 : out = 64'b0000000000000010000000000000000000000000000000000000000000000000; 6'b110010 : out = 64'b0000000000000100000000000000000000000000000000000000000000000000; 6'b110011 : out = 64'b0000000000001000000000000000000000000000000000000000000000000000; 6'b110100 : out = 64'b0000000000010000000000000000000000000000000000000000000000000000; 6'b110101 : out = 64'b0000000000100000000000000000000000000000000000000000000000000000; 6'b110110 : out = 64'b0000000001000000000000000000000000000000000000000000000000000000; 6'b110111 : out = 64'b0000000010000000000000000000000000000000000000000000000000000000; 6'b111000 : out = 64'b0000000100000000000000000000000000000000000000000000000000000000; 6'b111001 : out = 64'b0000001000000000000000000000000000000000000000000000000000000000; 6'b111010 : out = 64'b0000010000000000000000000000000000000000000000000000000000000000; 6'b111011 : out = 64'b0000100000000000000000000000000000000000000000000000000000000000; 6'b111100 : out = 64'b0001000000000000000000000000000000000000000000000000000000000000; 6'b111101 : out = 64'b0010000000000000000000000000000000000000000000000000000000000000; 6'b111110 : out = 64'b0100000000000000000000000000000000000000000000000000000000000000; 6'b111111 : out = 64'b1000000000000000000000000000000000000000000000000000000000000000; endcase end endmodule