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Altera_Forum's avatar
Altera_Forum
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15 years ago

multicycle instruction FSM with nios and the done variable

I have been trying for weeks to figure out how the done variable works and it seems like it has no effect whatsoever on the program. Can anyone explain how it works. Here's an example i've bee...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

The timing of the done bit is probably off. I recommend simulating the instruction by itself so that you'll be able to see the behavior of the done bit. If nothing shows up as wrong then try simulating the system and seeing how it behaves hooked up to the Nios II core.