https://ncrmnt.org/2017/06/17/%d0%b3%d1%80%d0%b0%d0%b1%d0%bb%d0%b8-%d0%bf%d1%80%d0%b5%d0%bf%d1%80%d0%be%d1%86%d0%b5%d1%81%d1%81%d0%be%d1%80%d0%b0-verilog-hdl/?lang=ru
Грабли препроцессора Verilog HDL