> Also, ModelSim is free for a while > > < https://www.altera.com/support/software/download/eda_software/modelsim/msm-index.jsp > > > Anyone tried it? They used to offer a ModelSim limited edition for free, then stopped (it was an action taken by ModelSim as I understand it). Actel and Xilinx still provide it, and I use it all the time in my FPGA work... Lyle