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Altera_Forum
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15 years ago

ModelSim does not show FIFO's signals

Hello, I got a NIOS-II system with a custom avalon interface. This custom block extantiate a FIFO, which was created using the Megawizard tool. When I run ModelSim everything seems to be worki...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

That is right, all input and output signals of this FIFO are undefined.

When I run the simulation, I only get "XXXXX", when I attempt to read the FIFO's status bits ( Empty flag, Full flag, wordsin).

Any ideas?