Quartus problem in Megawizard memory

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While attempting to generate a dual-port memory, I receive the following message:

"Error: Symbolic name "RAM_MAX_ADDRESS_WIDTH" is used but not defined"

.. when the 'altsyncram.tdf' is elaborated.

This has happened before, but only after the files were EDITED, not CREATED: i.e., it worked once, then no more after it was modified.

This particular case won't work even after I re-enter the whole thing under a different name.

What might be wrong?

Wade Hassler

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Hi Wadw,

which Quartus Version and FPGA are you using ?

Thanks for the reply. I'm using Quartus 8.1 and an EP3c8Q208C8

Wade

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Thanks for the reply. I'm using Quartus 8.1 and an EP3c8Q208C8

Wade

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Hi Wade,

I did not find your device in Quartus . Type mismatch ??? I assume you are using a Cyclone III device ?

I generated a Dual-ported Ram with the Megawizard without any poblems. How did you generate your Ram ? With the Meagwizard also ? What are your settings ?