Path: utzoo!attcan!uunet!ncrlnk!ncrcae!hubcap!gatech!rutgers!bellcore!texbell!merch!cpe!hal6000!trsvax!reyn From: reyn@trsvax.UUCP Newsgroups: comp.sys.tandy Subject: Re: Tandy system Bugs?? Message-ID: <193300082@trsvax> Date: 21 Nov 88 14:52:00 GMT References: <72@mtsu.UUCP> Lines: 7 Nf-ID: #R:mtsu.UUCP:72:trsvax:193300082:000:345 Nf-From: trsvax.UUCP!reyn Nov 21 08:52:00 1988 The tx does have an Intel 80286 rather than an 8086 or 8088, and there are a few instructions which behave differently. If your software won't run on another 80286 system, there's your culprit. Check any Intel 80286 software manual for the differences, one which comes to mind is a different value for the SP register when you push it.