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Altera_Forum
Honored Contributor
10 years agoThe Quartus simulator is rather basic - you would be much better off doing your module simulations in modelsim. Quartus can only simulate a post sysnthesis netlist. With an HDL testbench it would simulate much faster and you would have far more control.
If you have to use the quartus simulator for some reason, you will have the change the top level design in the project: Assignments -> settings -> top level endtity - > select the unit you want to test. I assume you are using such an old version of quartus (6 years old) for the very old device support?