Hi all,

1. For some reason, I can't get this to work.

If I simply do:

assign Led[0] =3D btn[0];

The LED lights up when I press the button. However, if I do this:

reg [7:0] rLed;
assign Led[7:0] =3D rLed[7:0];

always @(posedge clk)
begin
    rLed[0] <=3D btn[0];
end

It does not work as expected.






2. My board (Nexys 2) has a 50MHz oscillator. How can I adjust the FPGA
clock speed? PLL/DLL, whatever, how do I make use of these to get the clock
speed that I want? I can't find any information on this.
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