How can I make up .vcd file directly?

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zpmanr

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Generally we simulate according to following steps in Modelsim:
1.compile design code & testbench;
2.special the corresponding .sdf file ;
3.excute .do file which includes "force" section;
4.view waveform.

How can I dump waveform to vcd file through up steps directly?
And how can I dump waveform to fsdb file directly?

Thanks a lot!!
 

Add following line to your .do script!

vcd file dump.vcd
vcd add /top/*

This will dump vcd in dump.vcd file.
 
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