Interfacing 8 Bit ALU on LCD ( fpga kit )

[Mr.Robot]

I have the code of 8 bit ALU and code of lcd controller mounted on spartan 3E fpga kit.
but i am unable to sync the program.
Please help me with it!
Thank you!

 

[donpacino]

Can you provide more detail...

your HDL code
error message if applicable

 

[Mr.Robot]

UCF file..
i am not able to understand it..
ALU and testbench are running..
please tell me the concept of UCF file..
means why do we are using it,connection with kit.
it always give Td console error, i am working on Vivado 14.4 and it is not licenced version, because i just copied and pasted the setup files!

 

[donpacino]

a ucf file allows you to set things such as pin location.

again you need to include more information if you want help.

 

[Mr.Robot]

Please do follow this attachment!!