PISO (4 bit parallel in serial out shift reigster)

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Hello, I'm trying to create a simple 4-bit parallel in and serial out shift register.

So far, here is what I have:

Now, the code itself compiles; however, when I try to test its functionality on my board (EPM7128SLC84-15), nothing happens.

If anyone has any suggestion or point out any errors, it would be greatly appreciated. Thank you.

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My guess, I believe it should be:

sout <= qlatch(0);