Docs: Apply invert-helper where needed

docs/source/using_yosys/more_scripting/interactive_investigation.rst

@@ -56,7 +56,7 @@ is shown.
    ``xdot example_first.dot`` etc.
 
 .. figure:: /_images/code_examples/show/example_first.*
-   :class: width-helper
+   :class: width-helper invert-helper
    
    Output of the first :cmd:ref:`show` command in :numref:`example_ys`
 
@@ -88,7 +88,7 @@ The :cmd:ref:`proc` command transforms the process from the first diagram into a
 multiplexer and a d-type flip-flop, which brings us to the second diagram:
 
 .. figure:: /_images/code_examples/show/example_second.*
-   :class: width-helper
+   :class: width-helper invert-helper
    
    Output of the second :cmd:ref:`show` command in :numref:`example_ys`
 
@@ -110,7 +110,7 @@ In this script we directly call :cmd:ref:`opt` as the next step, which finally
 leads us to the third diagram: 
 
 .. figure:: /_images/code_examples/show/example_third.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: example_out
    
    Output of the third :cmd:ref:`show` command in :ref:`example_ys`
@@ -137,7 +137,7 @@ that operate on wide integers, it also introduces some additional complexity
 when the individual bits of of a signal vector are accessed.
 
 .. figure:: /_images/code_examples/show/splice.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: splice_dia
 
    Output of ``yosys -p 'prep -top splice_demo; show' splice.v``
@@ -165,7 +165,7 @@ Gate level netlists
 mapped to a cell library:
 
 .. figure:: /_images/code_examples/show/cmos_00.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: first_pitfall
 
    A half-adder built from simple CMOS gates, demonstrating common pitfalls when 
@@ -185,7 +185,7 @@ column. Secondly the two-bit vector ``y`` requires breakout-boxes for its
 individual bits, resulting in an unnecessary complex diagram.
 
 .. figure:: /_images/code_examples/show/cmos_01.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: second_pitfall
 
    Effects of :cmd:ref:`splitnets` command and of providing a cell library on 
@@ -358,10 +358,10 @@ reorganizing a module in Yosys and checking the resulting circuit.
    :end-before: cd ..
 
 .. figure:: /_images/code_examples/scrambler/scrambler_p01.*
-    :class: width-helper
+    :class: width-helper invert-helper
 
 .. figure:: /_images/code_examples/scrambler/scrambler_p02.*
-    :class: width-helper
+    :class: width-helper invert-helper
 
 Analyzing the resulting circuit with :doc:`/cmd/eval`:
 
@@ -442,7 +442,7 @@ if the circuit under investigation is encapsulated in a separate module.
 Recall the ``memdemo`` design from :ref:`advanced_logic_cones`:
 
 .. figure:: /_images/code_examples/selections/memdemo_00.*
-   :class: width-helper
+   :class: width-helper invert-helper
    
    ``memdemo``
 
@@ -463,18 +463,18 @@ name of the new cell in the current module. The resulting circuits are shown
 below.
 
 .. figure:: /_images/code_examples/selections/submod_02.*
-   :class: width-helper
+   :class: width-helper invert-helper
    
    ``outstage``
 
 .. figure:: /_images/code_examples/selections/submod_03.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: selstage
    
    ``selstage``
 
 .. figure:: /_images/code_examples/selections/submod_01.*
-   :class: width-helper
+   :class: width-helper invert-helper
    
    ``scramble``
 

docs/source/using_yosys/more_scripting/selections.rst

@@ -160,7 +160,7 @@ Selecting ``a:sumstuff`` in this module will yield the following circuit
 diagram:
 
 .. figure:: /_images/code_examples/selections/sumprod_00.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: sumprod_00
 
    Output of ``show a:sumstuff`` on :numref:`sumprod`
@@ -177,7 +177,7 @@ selected wire it selects all cells connected to the wire and vice versa. So
 :yoscrypt:`show a:sumstuff %x` yields the diagram shown in :numref:`sumprod_01`:
 
 .. figure:: /_images/code_examples/selections/sumprod_01.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: sumprod_01
 
    Output of ``show a:sumstuff %x`` on :numref:`sumprod`
@@ -200,22 +200,22 @@ input ports.
 The following sequence of diagrams demonstrates this step-wise expansion:
 
 .. figure:: /_images/code_examples/selections/sumprod_02.*
-   :class: width-helper
+   :class: width-helper invert-helper
 
    Output of :yoscrypt:`show prod` on :numref:`sumprod`
 
 .. figure:: /_images/code_examples/selections/sumprod_03.*
-   :class: width-helper
+   :class: width-helper invert-helper
 
    Output of :yoscrypt:`show prod %ci` on :numref:`sumprod`
 
 .. figure:: /_images/code_examples/selections/sumprod_04.*
-   :class: width-helper
+   :class: width-helper invert-helper
 
    Output of :yoscrypt:`show prod %ci %ci` on :numref:`sumprod`
 
 .. figure:: /_images/code_examples/selections/sumprod_05.*
-   :class: width-helper
+   :class: width-helper invert-helper
 
    Output of :yoscrypt:`show prod %ci %ci %ci` on :numref:`sumprod`
 
@@ -280,7 +280,7 @@ provided :file:`memdemo.v` is in the same directory. We can now change to the
 diagram in :numref:`memdemo_00`.
 
 .. figure:: /_images/code_examples/selections/memdemo_00.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: memdemo_00
    
    Complete circuit diagram for the design shown in :numref:`memdemo_src`
@@ -291,7 +291,7 @@ output signal, ``y``, and its immediate predecessors. Remember `Selecting logic
 cones`_ from above, we can use :yoscrypt:`show y %ci2`:
 
 .. figure:: /_images/code_examples/selections/memdemo_01.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: memdemo_01
    
    Output of :yoscrypt:`show y %ci2`
@@ -303,7 +303,7 @@ wire into the input ``D`` of the flip-flop cell (indicated by the ``$`` at the
 start of the name).  Let's go a bit further now and try :yoscrypt:`show y %ci5`:
 
 .. figure:: /_images/code_examples/selections/memdemo_02.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: memdemo_02
    
    Output of :yoscrypt:`show y %ci5`
@@ -317,7 +317,7 @@ brackets.  In this case, we want to exclude the ``S`` port of the ``$mux`` cell
 type with :yoscrypt:`show y %ci5:-$mux[S]`:
 
 .. figure:: /_images/code_examples/selections/memdemo_03.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: memdemo_03
    
    Output of :yoscrypt:`show y %ci5:-$mux[S]`
@@ -328,7 +328,7 @@ flip-flop and the 2nd action selects the entire input cone without going over
 multiplexer select inputs and flip-flop cells:
 
 .. figure:: /_images/code_examples/selections/memdemo_05.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: memdemo_05
    
    Output of ``show y %ci2:+$dff[Q,D] %ci*:-$mux[S]:-$dff``
@@ -340,7 +340,7 @@ ignoring any ports named ``CLK`` or ``S``:
 .. TODO:: pending discussion on whether rule ordering is a bug or a feature
 
 .. figure:: /_images/code_examples/selections/memdemo_04.*
-   :class: width-helper
+   :class: width-helper invert-helper
    :name: memdemo_04
    
    Output of :yoscrypt:`show y %ci*:-[CLK,S]:+$dff,$mux`
@@ -417,6 +417,6 @@ Example code from |code_examples/selections|_:
    :name: select_ys
 
 .. figure:: /_images/code_examples/selections/select.*
-    :class: width-helper
+    :class: width-helper invert-helper
 
     Circuit diagram produced by :numref:`select_ys`