\begin{diagram}{Assembler statements}{asmstatement}
\begin{mysyntdiag}
\synt{asm\ statement}
\lit*{asm}
\synt{assembler\ code}
\lit{end}
\begin{stack}\\
\synt{registerlist}
\end{stack}
\end{mysyntdiag}
\begin{mysyntdiag}
\synt{registerlist}
\lit*[
\begin{rep}[b] \synt{string constant} \\ \lit*, \end{rep}
\lit*]
\end{mysyntdiag}
\end{diagram}