\let\sym\sf	    % symbols done in sans serif

%\newcommand{\cam}{{\sc cam}}
%\newcommand{\Cam}{{\sc Cam}}
\newcommand{\cam}{{\sc step}}
\newcommand{\Cam}{{\sc Step}}
\newcommand{\chip}{{\sc  step}chip}
\newcommand{\steplist}{{\sc  step}list}
\newcommand{\dram}{{\sc dram}}
\newcommand{\Dram}{{\sc Dram}}
\newcommand{\sram}{{\sc sram}}
\newcommand{\Sram}{{\sc Sram}}
\newcommand{\io}{{\sc i/o}}
\newcommand{\vlsi}{{\sc vlsi}}
\newcommand{\lut}{{\sc lut}}
\newcommand{\crt}{{\sc crt}}

\newcommand{\vtab}{VTab}
\newcommand{\htab}{HTab}
\newcommand{\vsync}{VSync}
\newcommand{\hsync}{HSync}

\newcommand{\bus}{TBus}
\newcommand{\sbus}{SBus}
\newcommand{\sparcstation}{{\sc sparc}station}
\newcommand{\sun}{{\sc sun}}



\newcommand{\plug}[1]{}

%----pinout table macros----
% \newcommand{\pin}[3]{\ \tt#1&\sym#2&\sym#3\\}
 \newcommand{\pin}[3]{#1&\sym#2&\sym#3\\}
\newenvironment{pinout}[3]{
    \begin{equation}\label{eq.#1}
    \begin{tabular}{|@{\,}c@{\,}|ll|}
% for the moment, ignore the `number of pins' field
%	\multicolumn{3}{c}{#3 (#2 pins)}\\
	\multicolumn{3}{c}{#3}\\
 	\hline type & \multicolumn{2}{|c|}{name}\\\hline\hline}%
{\hline\end{tabular}
    \end{equation}}

\endinput

%----pinout table macros----
 \newcommand{\pin}[3]{\tt#1&\sym#2&\sym#3\\}
\newenvironment{pinout}[2]{
    $$
    \begin{tabular}{|l|ll|}
	\multicolumn{3}{c}{#2 (#1 pins)}\\
 	\hline type & \multicolumn{2}{|c|}{name}\\\hline\hline}%
{\hline\end{tabular}
    $$}

