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Altera_Forum
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15 years ago

Testbench in Modelsim problem: no signal clear in a loop

Hi, I'm doing a project that writes text in a VGA. I'm doing the testbench to try everything, and i want to generate the rows and columns of my VGA with the testbench, i need it to know which p...
Altera_Forum's avatar
Altera_Forum
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15 years ago

For clock generation: Not really. Its just extra code that's not needed. If you have a more complicated clock scheme (like having the ability to turn it on and off to speed up simulation) you will need it inside a process.

As for variables: they require much less memory than signals. But be careful you understand how they work.