update docs (4) (ngspice install in tutorial_xschem_sky130.html)

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Stefan Frederik 2022-10-19 18:11:37 +02:00
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@ -49,7 +49,17 @@ make
## install the program and needed files.
make install
</pre><br><br>
<h2 style="text-align: center;">IMPORTANT!!</h2><br>
<p class="important">
You need to create the following <kbd><b>.spiceinit</b></kbd> file in the directory where simulations are run
(typically <kbd>~/.xschem/simulations</kbd>)
or in your home directory. This file sets some default behavior for reading .lib files and speeds up loading pdk model files.
<kbd><br><br>
set ngbehavior=hsa<br>
set ng_nomodcheck<br>
</kbd>
</p><br><br>
<li> Install <a href="http://opencircuitdesign.com/open_pdks/index.html">Open_Pdks</a>
that will provide among other things all the sky130 PDK data, including standard
cells, SPICE models, layout data, timing information, design rules and also the Xschem symbols of available