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Diffstat (limited to 'manual/PRESENTATION_ExAdv.tex')
| -rw-r--r-- | manual/PRESENTATION_ExAdv.tex | 83 |
1 files changed, 79 insertions, 4 deletions
diff --git a/manual/PRESENTATION_ExAdv.tex b/manual/PRESENTATION_ExAdv.tex index 8457ceb77..21c5cdecc 100644 --- a/manual/PRESENTATION_ExAdv.tex +++ b/manual/PRESENTATION_ExAdv.tex @@ -168,14 +168,66 @@ See {\tt help select} for full documentation of this expressions. \subsubsection{Incremental selection} -\begin{frame}{\subsubsecname} -TBD +\begin{frame}[fragile]{\subsubsecname} +Sometime a selection can most easily described by a series of add/delete operations. +For the commands {\tt select -add} and {\tt select -del} add or remove objects +from the current selection instead of overwriting it. + +\medskip +\begin{lstlisting}[xleftmargin=0.5cm, basicstyle=\ttfamily\fontsize{8pt}{10pt}\selectfont, language=ys] +select -none # start with an empty selection +select -add reg_* # select a bunch of objects +select -del reg_42 # but not this one +select -add state %ci # and add mor stuff +\end{lstlisting} + +\bigskip +Within a select expression the token {\tt \%} can be used to push the previous selection +on the stack. + +\medskip +\begin{lstlisting}[xleftmargin=0.5cm, basicstyle=\ttfamily\fontsize{8pt}{10pt}\selectfont, language=ys] +select t:$add t:$sub # select all $add and $sub cells +select % %ci % %d # select only the input wires to those cells +\end{lstlisting} \end{frame} \subsubsection{Creating selection variables} -\begin{frame}{\subsubsecname} -TBD +\begin{frame}[fragile]{\subsubsecname} +Selections can be stored under a name with the {\tt select -set <name>} +command. The stored selections can be used in later select expressions +using the syntax {\tt @<name>}. + +\medskip +\begin{lstlisting}[xleftmargin=0.5cm, basicstyle=\ttfamily\fontsize{8pt}{10pt}\selectfont, language=ys] +select -set cone_a state_a %ci*:-$dff # set @cone_a to the input cone of state_a +select -set cone_b state_b %ci*:-$dff # set @cone_b to the input cone of state_b +select @cone_a @cone_b %i # select the objects that are in both cones +\end{lstlisting} + +\bigskip +Remember that select expressions can also be used directly as arguments to most +commands. Some commands also except a single select argument to some options. +In those cases selection variables must be used to capture more complex selections. + +\medskip +\begin{lstlisting}[xleftmargin=0.5cm, basicstyle=\ttfamily\fontsize{8pt}{10pt}\selectfont, language=ys] +dump @cone_a @cone_b + +select -set cone_ab @cone_a @cone_b %i +show -color red @cone_ab -color magenta @cone_a -color blue @cone_b +\end{lstlisting} +\end{frame} + +\begin{frame}[fragile]{\subsubsecname{} -- Example} +\begin{columns} +\column[t]{4cm} +\lstinputlisting[basicstyle=\ttfamily\fontsize{6pt}{7pt}\selectfont, language=verilog]{PRESENTATION_ExAdv/select_01.v} +\column[t]{7cm} +\lstinputlisting[basicstyle=\ttfamily\fontsize{8pt}{10pt}\selectfont, language=ys, frame=single]{PRESENTATION_ExAdv/select_01.ys} +\end{columns} +\hfil\includegraphics[width=\linewidth,trim=0 0cm 0 0cm]{PRESENTATION_ExAdv/select_01.pdf} \end{frame} %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -225,3 +277,26 @@ TBD %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\subsection{Summary} + +\begin{frame}{\subsecname} +\begin{itemize} +\item TBD +\item TBD +\item TBD +\item TBD +\end{itemize} + +\bigskip +\bigskip +\begin{center} +Questions? +\end{center} + +\bigskip +\bigskip +\begin{center} +\url{http://www.clifford.at/yosys/} +\end{center} +\end{frame} + |