Forum Discussion
Altera_Forum
Honored Contributor
10 years agoQuartus filters out essential parts of state machine?
Hi, Recently faced very strange issue in my design. I have state machine, which goes through multiple steps, and at the end there is kind of "Delay" state and "SetReady" state... Problem is...
Altera_Forum
Honored Contributor
10 years ago --- Quote Start --- The synthesisor will remove code if it determines it is unused, or states that it thinks are unreachable. Without the code we cannot really comment - but did you simulate the design before putting it on a baord? --- Quote End --- Yes, I put it through simulation, it fails with same thing as board, which is at least promising :) Exactly the same code works fine in different project.. I will attach project when I get home.. (it is for quartus 9, my board is very old) thanks, Evgeny.