Reply To: SNES De-blur


Alternatively, you could organize the code so that output of apply_reverse_lpf is captured to registers after N (>=2) cycles from the moment when its inputs are changed, and then constrain respective paths to multicycle (set_multicycle_path) to avoid timing violations. The registers driving apply_reverse_lpf inputs must remain stable for the same N cycles, but that should be a given in 256/320 column optimized modes.