set XILINX=C:\Xilinx
set PATH=C:\Xilinx\bin\nt
@C:\Xilinx\bin\nt\netgen.exe -sdf_path "c:\Projects\genosensor\2g\CPLDs\Core\U4\implement\ver1\rev1\time_sim.sdf" -sim -ofmt verilog   "U4.nga" "c:\Projects\genosensor\2g\CPLDs\Core\U4\implement\ver1\rev1\time_sim.v" 
