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<title>μCsim: VCD file dumper</title>
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<h1>VCD file dumper</h1>
<p>1. specify output file:<br>
<br>
0> set hw vcd[0] file "name.vcd"<br>
<br>
2. add locations to dump (sorry, I didn't remember correctly, bits can not
be dumped yet):<br>
<br>
0> set hw vcd[0] add pc_odr<br>
0> set hw vcd[0] add rom[0x500a]<br>
<br>
You can set the name of the module if you want (set hw vcd[0] module
name), it will be<br>
ucsim_vcd_0 by default.<br>
<br>
3. start recording:<br>
<br>
0> set hw vcd[0] start<br>
<br>
4. run the program</p>
<p>5. you can suspend/resume recording:<br>
<br>
0> set hw vcd[0] pause<br>
0> set hw vcd[0] restart<br>
<br>
You can create an additional recorder with "set hw vcd[0] new id" and
setup it with "set<br>
hw vcd[id] ..." commands ("id" must be a number).<br>
<br>
6. stop recording and close the vcd file:<br>
<br>
0> set hw vcd[0] stop<br>
<br>
After "stop", you have to specify a new file, because "start" overwrites
the old one!<br>
<br>
For examine, I use gtkwave on linux.<br>
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