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Altera_Forum's avatar
Altera_Forum
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16 years ago

Modelsim: Unknown State

In the modelsim simulation, there is a signal, delay1, shows its value and undefined state(red colour) periodically. It shouldn't show unknown state based on my code. I wonder why. Pls have a look...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

I can find the q1 and q2 under FIR(instantiation of Delay1_Redline).

If run functional simulation in qii, there is always no problem with it.

thanks