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I followed the instructions in this document  and encountered a problem. It is not possible to link the initial register values to a symbol paramter via `=$param_name` as described there. Is there is step missing? Is the syntax wrong? Is the UDB Editor buggy on that end?
Can you please describe the issue you faced?Have you tried with the project with the appnote.
The values you enter for the variables would be defined as a parameter in the verilog file.These paramaeters are passed to datapath instance.Please see the datapath instance and configuration for the initial values.