# From https://github.com/cliffordwolf/icestorm/blob/be0bca0/icefuzz/timings_lp8k.txt # NB: Inputs/Outputs must be ordered alphabetically # (with exceptions for carry in/out) # Inputs: A B I0 I3 CI # Outputs: O CO # (NB: carry chain input/output must be last # input/output and have been moved there # overriding the alphabetical ordering) $__ICE40_FULL_ADDER 1 1 5 2 589 558 661 465 465 675 609 - - 186