dunno how old this msg is but i just came across it
as a matter of fact i have just finished a project similar to urs a bit more complex then this
yes i think i can help u
send me the details
i can even provde u with a circuit diagram
and also im recomending a simulator
its at a site
ull have to download it
the url is labcenter.co.uk
go to the download section and under it shareware
there ull find the unregistered version of proteous pro demo
the size is about 10m
download it it also has a sample design of a led display interfaced with a micrcontroller..with an 8951
and i myself used a smilar design using a demux...if u think u want my design just mail
ill send u a circuit diagram
its pretty easy
maryam