CPU Command Bit Fields

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Add Immediate


Edit and compile if you like:

\documentclass[border=3pt]{standalone}

%%Fonts
%\usepackage{fontspec}
%\setmainfont[Mapping=tex-text]{JetBrains Mono}

% Tikz
\usepackage{tikz}
\usetikzlibrary{calc}

% Sizes
\def\cellheight{30pt}
\def\fieldlinewidth{0.7pt}
\pgfmathsetlengthmacro{\scalefactor}{4pt}

% Tikz Set
\tikzset{
	instr_field/.style={
		draw, 
		rectangle,
		line width = \fieldlinewidth,
		minimum height = \cellheight,
	},
	byte_values/.style={above, font=\tiny},
	bytes/.style={above, font=\scriptsize},
	every text node part/.style={align=center}
}

% Instruction Fields
\def\fields{
	cond/31/28/-1, 
	op/27/26/00, 
	I/25/25/1, 
	cmd/24/21/0100, 
	S/20/20/-1, 
	Rn/19/16/-1, 
	Rd/15/12/-1,
	rot/11/8/0000,
	imm8/7/0/-1
}

\begin{document}
	\begin{tikzpicture}		
		% Widths
		\foreach \field/\high/\low in \fields {
		    \pgfmathsetmacro{\width}{(\high-\low + 1) * \scalefactor}
		    \expandafter\xdef\csname \field w\endcsname{\width mm}
		}
		
		% Instruction Fields
		\foreach \field/\high/\low/\value [count=\i from 0] in \fields {
			\ifnum\i=0
				\node[
					   instr_field, 
					   anchor=west,
					   minimum width=\csname\field w\endcsname] (tmp\i) {\field};
			\else
				\pgfmathsetmacro{\prev}{int(\i-1)}
				\node[
					   instr_field,
					   anchor=west,
					   minimum width=\csname\field w\endcsname] (tmp\i) at ($(tmp\prev.east)-(\fieldlinewidth,0)$) {\field};
			\fi 
			
			\ifnum\high=\low
				\node[bytes] at (tmp\i.north) {\high};
			\else
				\node[bytes] at (tmp\i.north) {\high:\low};
			\fi
			
			\ifnum\value=-1\else
				\node[byte_values] at (tmp\i.south) {\value};
			\fi
		}
		
		% Name
%		\node[anchor=east, xshift=-40pt] at (tmp0) {ADD(S)-I};
	\end{tikzpicture}
\end{document}

Add Register


Edit and compile if you like:

\documentclass[border=3pt]{standalone}

%%Fonts
%\usepackage{fontspec}
%\setmainfont[Mapping=tex-text]{JetBrains Mono}

% Tikz
\usepackage{tikz}
\usetikzlibrary{calc}

% Sizes
\def\cellheight{30pt}
\def\fieldlinewidth{0.7pt}
\pgfmathsetlengthmacro{\scalefactor}{4pt}

% Tikz Set
\tikzset{
	instr_field/.style={
		draw, 
		rectangle,
		line width = \fieldlinewidth,
		minimum height = \cellheight,
	},
	byte_values/.style={above, font=\tiny},
	bytes/.style={above, font=\scriptsize},
	every text node part/.style={align=center}
}

% Instruction Fields
\def\fields{
	cond/31/28/-1, 
	op/27/26/00, 
	I/25/25/0, 
	cmd/24/21/0100, 
	S/20/20/-1, 
	Rn/19/16/-1, 
	Rd/15/12/-1,
	shamt5/11/7/00000,
	sh/6/5/00,
	0/4/4/-1,
	Rm/3/0/-1
}

\begin{document}
	\begin{tikzpicture}		
		% Widths
		\foreach \field/\high/\low in \fields {
		    \pgfmathsetmacro{\width}{(\high-\low + 1) * \scalefactor}
		    \expandafter\xdef\csname \field w\endcsname{\width mm}
		}
		
		% Instruction Fields
		\foreach \field/\high/\low/\value [count=\i from 0] in \fields {
			\ifnum\i=0
				\node[
					   instr_field, 
					   anchor=west,
					   minimum width=\csname\field w\endcsname] (tmp\i) {\field};
			\else
				\pgfmathsetmacro{\prev}{int(\i-1)}
				\node[
					   instr_field,
					   anchor=west,
					   minimum width=\csname\field w\endcsname] (tmp\i) at ($(tmp\prev.east)-(\fieldlinewidth,0)$) {\field};
			\fi 
			
			\ifnum\high=\low
				\node[bytes] at (tmp\i.north) {\high};
			\else
				\node[bytes] at (tmp\i.north) {\high:\low};
			\fi
			
			\ifnum\value=-1\else
				\node[byte_values] at (tmp\i.south) {\value};
			\fi
		}
		
		% Name
%		\node[anchor=east, xshift=-40pt] at (tmp0) {ADD(S)-R};
	\end{tikzpicture}
\end{document}

Load Register


Edit and compile if you like:

\documentclass[border=3pt]{standalone}

%%Fonts
%\usepackage{fontspec}
%\setmainfont[Mapping=tex-text]{JetBrains Mono}

% Tikz
\usepackage{tikz}
\usetikzlibrary{calc}

% Sizes
\def\cellheight{30pt}
\def\fieldlinewidth{0.7pt}
\pgfmathsetlengthmacro{\scalefactor}{4pt}

% Tikz Set
\tikzset{
	instr_field/.style={
		draw, 
		rectangle,
		line width = \fieldlinewidth,
		minimum height = \cellheight,
	},
	byte_values/.style={above, font=\tiny},
	bytes/.style={above, font=\scriptsize},
	every text node part/.style={align=center}
}

% Instruction Fields
\def\fields{
	cond/31/28/-1, 
	op/27/26/01, 
	Ī/25/25/0,
	P/24/24/1,
	U/23/23/-1,
	B/22/22/0,
	W/21/21/0,
	L/20/20/1,
	Rn/19/16/-1,
	Rd/15/12/-1,
	imm12/11/0/-1
}

\begin{document}
	\begin{tikzpicture}		
		% Widths
		\foreach \field/\high/\low in \fields {
		    \pgfmathsetmacro{\width}{(\high-\low + 1) * \scalefactor}
		    \expandafter\xdef\csname \field w\endcsname{\width mm}
		}
		
		% Instruction Fields
		\foreach \field/\high/\low/\value [count=\i from 0] in \fields {
			\ifnum\i=0
				\node[
					   instr_field, 
					   anchor=west,
					   minimum width=\csname\field w\endcsname] (tmp\i) {\field};
			\else
				\pgfmathsetmacro{\prev}{int(\i-1)}
				\node[
					   instr_field,
					   anchor=west,
					   minimum width=\csname\field w\endcsname] (tmp\i) at ($(tmp\prev.east)-(\fieldlinewidth,0)$) {\field};
			\fi 
			
			\ifnum\high=\low
				\node[bytes] at (tmp\i.north) {\high};
			\else
				\node[bytes] at (tmp\i.north) {\high:\low};
			\fi
			
			\ifnum\value=-1\else
				\node[byte_values] at (tmp\i.south) {\value};
			\fi
		}
		
		% Name
%		\node[anchor=east, xshift=-40pt] at (tmp0) {LDR};
	\end{tikzpicture}
\end{document}

Branch and Link


Edit and compile if you like:

\documentclass[border=3pt]{standalone}

%%Fonts
%\usepackage{fontspec}
%\setmainfont[Mapping=tex-text]{JetBrains Mono}

% Tikz
\usepackage{tikz}
\usetikzlibrary{calc}

% Sizes
\def\cellheight{30pt}
\def\fieldlinewidth{0.7pt}
\pgfmathsetlengthmacro{\scalefactor}{4pt}

% Tikz Set
\tikzset{
	instr_field/.style={
		draw, 
		rectangle,
		line width = \fieldlinewidth,
		minimum height = \cellheight,
	},
	byte_values/.style={above, font=\tiny},
	bytes/.style={above, font=\scriptsize},
	every text node part/.style={align=center}
}

% Instruction Fields
\def\fields{
	cond/31/28/-1, 
	op/27/26/10, 
	1L/25/24/11,
	imm24/23/0/-1
}

\begin{document}
	\begin{tikzpicture}		
		% Widths
		\foreach \field/\high/\low in \fields {
		    \pgfmathsetmacro{\width}{(\high-\low + 1) * \scalefactor}
		    \expandafter\xdef\csname \field w\endcsname{\width mm}
		}
		
		% Instruction Fields
		\foreach \field/\high/\low/\value [count=\i from 0] in \fields {
			\ifnum\i=0
				\node[
					   instr_field, 
					   anchor=west,
					   minimum width=\csname\field w\endcsname] (tmp\i) {\field};
			\else
				\pgfmathsetmacro{\prev}{int(\i-1)}
				\node[
					   instr_field,
					   anchor=west,
					   minimum width=\csname\field w\endcsname] (tmp\i) at ($(tmp\prev.east)-(\fieldlinewidth,0)$) {\field};
			\fi 
			
			\ifnum\high=\low
				\node[bytes] at (tmp\i.north) {\high};
			\else
				\node[bytes] at (tmp\i.north) {\high:\low};
			\fi
			
			\ifnum\value=-1\else
				\node[byte_values] at (tmp\i.south) {\value};
			\fi
		}
		
		% Name
%		\node[anchor=east, xshift=-40pt] at (tmp0) {B};
	\end{tikzpicture}
\end{document}

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