Further improve extract_fa (seems to be fully functional now)
Further improve extract_fa (seems to be fully functional now)

azonenberg/yosys,azonenberg/yosys,YosysHQ/yosys,antmicro/yosys,antmicro/yosys,SymbiFlow/yosys,YosysHQ/yosys,swallat/yosys,swallat/yosys,SymbiFlow/yosys,cliffordwolf/yosys,SymbiFlow/yosys,SymbiFlow/yosys,swallat/yosys,swallat/yosys,antmicro/yosys,azonenberg/yosys,antmicro/yosys,YosysHQ/yosys,azonenberg/yosys,swallat/yosys,azonenberg/yosys,azonenberg/yosys,swallat/yosys,cliffordwolf/yosys,YosysHQ/yosys,swallat/yosys,SymbiFlow/yosys,cliffordwolf/yosys,YosysHQ/yosys,YosysHQ/yosys,antmicro/yosys,antmicro/yosys,azonenberg/yosys,swallat/yosys,cliffordwolf/yosys,azonenberg/yosys,SymbiFlow/yosys,YosysHQ/yosys,SymbiFlow/yosys,cliffordwolf/yosys,cliffordwolf/yosys,cliffordwolf/yosys,azonenberg/yosys,swallat/yosys,antmicro/yosys,YosysHQ/yosys,SymbiFlow/yosys,cliffordwolf/yosys,cliffordwolf/yosys,antmicro/yosys