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+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% A S C I I wall chart %%
+%% %%
+%% by Victor Eijkhout %%
+%% eijkhout@cs.utk.edu %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+%% Choose your favourite format:
+%
+\nopagenumbers %% 2 lines
+\vsize=28cm %% for PLAIN TeX
+%\documentstyle{article} %% 4 lines for LaTeX
+%\begin{document} %% not that it matters anything,
+%\pagestyle{empty} %% rest of the document
+%\setlength{\textheight}{28cm} %% is 'pure' TeX.
+%%%%%% and don't forget the \bye / \end{document} at the end!! %%%%%%%
+%% fonts
+\font\bitfont=cmr7 \fontdimen3\bitfont=3mm
+\font\codefont=cmr5
+\font\namefont=cmss10 scaled 1200
+\font\titlefont=cmss10 scaled 1440
+\font\commentfont=cmss10
+%% counts and dimens
+\newdimen\thinlinewidth \thinlinewidth=.25mm
+\newdimen\fatlinewidth \fatlinewidth=.5mm
+\newdimen\rowheight \rowheight=1cm
+\newdimen\colwidth \colwidth=1.6cm
+\newdimen\Colwidth \Colwidth=2\colwidth
+ \advance\Colwidth by \thinlinewidth
+\newdimen\topwhite \topwhite=2pt
+\newdimen\botwhite \botwhite=3pt
+\newdimen\leftwhite \leftwhite=2pt
+\newdimen\rightwhite \rightwhite=2pt
+\newcount\rowcount \rowcount=-1 %% note!
+\newcount\colcount \colcount=0
+\newcount\thenumber
+%% tidbits
+\def\\{$\backslash$}
+\def\thinline{\vrule width \thinlinewidth}
+\def\fatline{\vrule width \fatlinewidth}
+\tolerance=10000
+\vbadness=10000
+%% code conversion
+\def\calcnumber{{\multiply\colcount by 16
+ \advance\colcount by \rowcount
+ \global\thenumber=\colcount}}
+\def\deccode{\number\thenumber}
+\def\octcode{{\ifnum\thenumber>63
+ \advance\thenumber by -64
+ \count0=\thenumber \divide\count0 by 8
+ 1\number\count0
+ \else \count0=\thenumber \divide\count0 by 8
+ \ifnum\count0>0 \number\count0 \fi\fi
+ \multiply\count0 by 8
+ \advance\thenumber by -\count0
+ \number\thenumber}}
+\def\hexdigit#1{\ifcase#1 0\or 1\or 2\or 3\or 4\or 5\or 6\or 7\or
+ 8\or 9\or A\or B\or C\or D\or E\or F\or
+ \edef\tmp{\message{illegal hex digit
+ \number#1}}\tmp
+ \fi}
+\def\hexcode{{\count0=\thenumber \divide\count0 by 16
+ \ifnum\count0>0 \hexdigit{\count0}\fi
+ \multiply\count0 by 16
+ \advance\thenumber by -\count0 \count0=\thenumber
+ \hexdigit{\count0}}}
+%% the heading
+\def\threebit#1#2#3{\vbox to 1.2\rowheight{\bitfont
+ \vskip\topwhite
+ \hbox to \colwidth{\hskip\leftwhite#1\hfil}
+ \vfil
+ \hbox to \colwidth{\hfil#2\hfil}
+ \vfil
+ \hbox to \colwidth{\hfil#3\hskip\rightwhite}
+ \vskip\botwhite}}
+\def\comment#1{\vbox to \colwidth{\hrule height 0mm depth .25mm
+ \vfil
+ \hbox to \Colwidth{\commentfont\hfil#1\hfil}
+ \vfil}}
+\def\dcomment#1#2{\vbox to \colwidth{\hrule height 0mm depth .25mm
+ \vfil
+ \hbox to \Colwidth{\commentfont\hfil#1\hfil}
+ \vskip \botwhite
+ \hbox to \Colwidth{\commentfont\hfil#2\hfil}
+ \vfil}}
+\def\bithead{\vbox to \colwidth{\hsize=1.5\colwidth
+ \vskip\topwhite
+ \hbox to \hsize{\commentfont\hfil BITS\hfil}
+ \vfil
+ \hbox to \hsize{\bitfont\ b4 b3 b2 b1 }
+ \vskip\botwhite}}
+%% routines for single chars
+\def\fourbit#1\fb{\vbox to \rowheight{
+ \vfil
+ \hbox to 1.5\colwidth{\bitfont #1\ }
+ \vfil}%
+ \global\advance\rowcount by 1
+ \global\colcount=0}
+\def\asc#1\ii{\calcnumber
+ \vbox to \rowheight{\offinterlineskip
+ \vskip\topwhite
+ \hbox to \colwidth{\codefont
+ \hskip\leftwhite
+ \deccode\hfil}
+ \vfil
+ \hbox to \colwidth{\vrule width 0cm
+ height 10pt depth 2pt
+ \namefont
+ \hfil#1\hfil}
+ \vfil
+ \hbox to \colwidth{\codefont
+ \hskip\leftwhite
+ \hexcode\hfil\octcode
+ \hskip\rightwhite}
+ \vskip\botwhite}%
+ \global\advance\colcount by 1}
+%%%%%%%%%%%%%%%%% and now the table itself %%%%%%%%%%%%%%%%%%%%%%%%%
+\vbox{
+\halign{\fourbit#\fb&\fatline\asc#\ii&\thinline\asc#\ii&
+ \fatline\asc#\ii&\thinline\asc#\ii&
+ \fatline\asc#\ii&\thinline\asc#\ii&
+ \fatline\asc#\ii&\thinline\asc#\ii\fatline\cr
+ \omit&\multispan8 \hskip\thinlinewidth
+ \titlefont ASCII CONTROL CODE CHART\hfil\cr
+ \noalign{\vskip3mm \hrule}
+ \omit\hfil\threebit{b7}{b6}{b5}
+ &\omit\fatline\threebit000&\omit\thinline\threebit001%
+ &\omit\fatline\threebit010&\omit\thinline\threebit011%
+ &\omit\fatline\threebit100&\omit\thinline\threebit101%
+ &\omit\fatline\threebit110&\omit\thinline\threebit111%
+ \fatline\cr
+ \noalign{\vskip-.5mm} %brute force
+ \omit\bithead
+ &\omit\fatline\comment{CONTROL}\span\omit
+ &\omit\fatline\dcomment{SYMBOLS}{NUMBERS}\span\omit
+ &\omit\fatline\comment{UPPER CASE}\span\omit
+ &\omit\fatline\comment{LOWER CASE}\span\omit\hfil\fatline\cr
+ \noalign{\hrule}
+ {} 0 0 0 0&NUL&DLE&SP &0 &@ &P &` &p \cr\noalign{\hrule}
+ {} 0 0 0 1&SOH&DC1&! &1 &A &Q &a &q \cr\noalign{\hrule}
+ {} 0 0 1 0&STX&DC2&" &2 &B &R &b &r \cr\noalign{\hrule}
+ {} 0 0 1 1&ETX&DC3&\# &3 &C &S &c &s \cr\noalign{\hrule}
+ {} 0 1 0 0&EOT&DC4&\$ &4 &D &T &d &t \cr\noalign{\hrule}
+ {} 0 1 0 1&ENQ&NAK&\% &5 &E &U &e &u \cr\noalign{\hrule}
+ {} 0 1 1 0&ACK&SYN&\& &6 &F &V &f &v \cr\noalign{\hrule}
+ {} 0 1 1 1&BEL&ETB&' &7 &G &W &g &w \cr\noalign{\hrule}
+ {} 1 0 0 0&BS &CAN&( &8 &H &X &h &x \cr\noalign{\hrule}
+ {} 1 0 0 1&HT &EM &) &9 &I &Y &i &y \cr\noalign{\hrule}
+ {} 1 0 1 0&LF &SUB&* &: &J &Z &j &z \cr\noalign{\hrule}
+ {} 1 0 1 1&VT &ESC&+ &; &K &[ &k &$\{$\cr \noalign{\hrule}
+ {} 1 1 0 0&FF &FS &, &$<$&L &\\ &l &$|$ \cr \noalign{\hrule}
+ {} 1 1 0 1&CR &GS &$-$ &= &M &] &m &$\}$\cr \noalign{\hrule}
+ {} 1 1 1 0&SO &RS &. &$>$&N &\char94 &n &\char126\cr
+ \noalign{\hrule}
+ {} 1 1 1 1&SI &US &/ &? &O &\_$\!$\_&o &DEL\cr\noalign{\hrule}
+ \noalign{\vskip2mm}
+ \omit&\omit\namefont \hfil LEGEND:\hfil \span\omit
+ &\multispan4\hskip\fatlinewidth
+ \vtop{\vskip-10pt\hbox{\vrule
+ \vbox to \rowheight{
+ \offinterlineskip
+ \hrule\vskip \topwhite
+ \hbox to \colwidth{\codefont\hskip\leftwhite
+ dec\hfil}
+ \vfil
+ \hbox to \colwidth{\namefont\hfil CHAR\hfil}
+ \vfil
+ \hbox to \colwidth{\codefont\hskip\leftwhite
+ hex\hfil oct
+ \hskip\rightwhite}
+ \vskip\botwhite
+ \hrule }%
+ \vrule}}
+ \hfil
+ &\multispan2\bitfont \hskip\fatlinewidth
+ \vtop{\vskip-8pt\baselineskip=8.5pt
+ \hbox{Victor Eijkhout}
+ \rlap{Dept. of Comp. Sci.}
+ \rlap{University of Tennessee}
+ \rlap{Knoxville TN 37996, USA}
+ }\hfil\cr
+ }
+}
+%%%%%%%%%%%%%%%%%%%%%%% and that's it folks! %%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\bye %% PLAIN TeX
+%\end{document} %% LaTeX
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 07:33:45 +0000