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Article #1941Re: Detecting an 80486
From: Sidney Markowitz
Date: Tue, 14 Aug 1990 08:38
Date: Tue, 14 Aug 1990 08:38
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I recall seeing a posting recently that contained source code for distinguishing between 80x86, 8086, 8088 cpus without blowing up under QEMM. Unfortunately I didn't save it and it has scrolled off systems I have access to. Can anyone point me to an ftp'able copy, or could offer to e-mail it to me? Was it, indeed QEMM-safe? In regards to the problem of QEMM trapping invalid opcodes used to detect the CPU type -- Does anyone know what Turbo Debugger v 2.0 does in TDH386.SYS to give TD286.EXE access to the 386 registers for hardware breakpoints? Whatever it is, it is compatible with QEMM, and so it must have something that would let one detect that they are running on a virtual 8086. -- sidney markowitz <sidney@saturn.ucsc.edu>
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!decwrl!ucbvax!agate!darkstar!saturn.ucsc.edu!sidney From: sidney@saturn.ucsc.edu (Sidney Markowitz ) Newsgroups: comp.os.msdos.programmer Subject: Re: Detecting an 80486 Message-ID: <5987@darkstar.ucsc.edu> Date: 14 Aug 90 08:38:59 GMT References: <26a858b9@ralf> <3817@altos86.Altos.COM> Sender: usenet@darkstar.ucsc.edu Organization: University of California, Santa Cruz Lines: 14