In a message dated 8/10/96 1:37:20 AM, you wrote: <<don't the 85 and 82 run on the same Z80 proccesor. If so then why isn't there a Zshell for the 82!>> There's a URL taht has that whole spiel. Just go to ticalc.org (http://www.ticalc.org) and then click on asembly language and then zshell...it's in there somewhere. can anyone help me out here???? -andy-