You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
1.9 KiB
76 lines
1.9 KiB
|
|
\newcounter{wavenum}
|
|
|
|
\setlength{\unitlength}{1cm}
|
|
% advance clock one cycle, not to be called directly
|
|
\newcommand*{\clki}{
|
|
\draw (t_cur) -- ++(0,.3) -- ++(.5,0) -- ++(0,-.6) -- ++(.5,0) -- ++(0,.3)
|
|
node[time] (t_cur) {};
|
|
}
|
|
|
|
\newcommand*{\bitvector}[3]{
|
|
\draw[fill=#3] (t_cur) -- ++( .1, .3) -- ++(#2-.2,0) -- ++(.1, -.3)
|
|
-- ++(-.1,-.3) -- ++(.2-#2,0) -- cycle;
|
|
\path (t_cur) -- node[anchor=mid] {#1} ++(#2,0) node[time] (t_cur) {};
|
|
}
|
|
|
|
% \known{val}{length}
|
|
\newcommand*{\known}[2]{
|
|
\bitvector{#1}{#2}{white}
|
|
}
|
|
|
|
% \unknown{length}
|
|
\newcommand*{\unknown}[2][XXX]{
|
|
\bitvector{#1}{#2}{black!20}
|
|
}
|
|
|
|
% \bit{1 or 0}{length}
|
|
\newcommand*{\bit}[2]{
|
|
\draw (t_cur) -- ++(0,.6*#1-.3) -- ++(#2,0) -- ++(0,.3-.6*#1)
|
|
node[time] (t_cur) {};
|
|
}
|
|
|
|
% \unknownbit{length}
|
|
\newcommand*{\unknownbit}[1]{
|
|
\draw[ultra thick,black!50] (t_cur) -- ++(#1,0) node[time] (t_cur) {};
|
|
}
|
|
|
|
% \nextwave{name}
|
|
\newcommand{\nextwave}[1]{
|
|
\path (0,\value{wavenum}) node[left] {#1} node[time] (t_cur) {};
|
|
\addtocounter{wavenum}{-1}
|
|
}
|
|
|
|
% \clk{name}{period}
|
|
\newcommand{\clk}[2]{
|
|
\nextwave{#1}
|
|
\FPeval{\res}{(\wavewidth+1)/#2}
|
|
\FPeval{\reshalf}{#2/2}
|
|
\foreach \t in {1,2,...,\res}{
|
|
\bit{\reshalf}{1}
|
|
\bit{\reshalf}{0}
|
|
}
|
|
}
|
|
|
|
% \begin{wave}[clkname]{num_waves}{clock_cycles}
|
|
\newenvironment{wave}[3][H]{
|
|
\begin{tikzpicture}[draw=black, yscale=.7,xscale=1]
|
|
\tikzstyle{time}=[coordinate]
|
|
\setlength{\unitlength}{1cm}
|
|
\def\wavewidth{#3}
|
|
\setcounter{wavenum}{0}
|
|
\nextwave{#1}
|
|
\foreach \t in {0,1,...,\wavewidth}{
|
|
\draw[dotted] (t_cur) +(0,.5) -- ++(0,.4-#2);
|
|
\clki
|
|
}
|
|
}{\end{tikzpicture}}
|
|
|
|
% \begin{nowave}{num_waves}{clock_cycles}
|
|
\newenvironment{nowave}[1]{
|
|
\begin{tikzpicture}[draw=black, yscale=.7,xscale=1]
|
|
\tikzstyle{time}=[coordinate]
|
|
\setlength{\unitlength}{1cm}
|
|
\def\wavewidth{#1}
|
|
\setcounter{wavenum}{0}
|
|
}{\end{tikzpicture}}
|
|
|