\input zb-basic
\input zb-ioport
\iteman{io-port 70908197}
\itemau{Warford, J. Stanley; Okelberry, Ryan}
\itemti{Pep8cpu: a programmable simulator for a central processing unit}
\itemso{SIGCSE, 288-292 (2007).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/1227310.1227413}
\end