From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from research.att.com ([192.20.225.2]) by hawkwind.utcs.toronto.edu with SMTP id <2763>; Mon, 15 Feb 1993 21:10:27 -0500 From: rob@research.att.com Date: Mon, 15 Feb 1993 21:06:45 -0500 To: sam-fans@hawkwind.utcs.toronto.edu Message-Id: <93Feb15.211027est.2763@hawkwind.utcs.toronto.edu> i used the wrong word; i should have said 'versions'. in the last round, i added the exchange of version number between host and terminal, so changes can be made compatibly. the issue is letting old sams and samterms operate with new samterms and sam. in this case, at the point the addresses are exchanged, the version number could be checked and either 64-bit addresses used (the most general answer) or an offset. -rob