On Thu, 26 Feb 2009 12:55:01 -0800, tripap
<tripap@xxxxxx> wrote:
Quote:
>I've setup up a virtual machine and installed MS-DOS7.1 as the OS, and I'm
>trying to install some very old software so I can demonstrate it to a class.
>The program I'm trying to install is WordStar from the mid-1980's. When I run
>WINSTALL.EXE from the first installation disk, it reads a bit and then exits
>with the error: "CPU error: incorrect opcode. Killing process." I wonder if
>this is an emulation problem where WordStar was written to run on i86 or 286
>or 386 processor chips and the virtual PC emulation isn't taking the
>emulation far enough back? I'd appreciate any suggestions as to how I might
>be able to install and run some of this old software in my Virtual PC.
VPC is *not* emulating the CPU...
It virtualizes the CPU instead, which means that the modern CPU is
used as-is (almost) for the old software. Probably there is a quirk in
the Wordstar installer that detects a "strange" CPU and exits.
Not much to do in that case I'm afraid.
--
Bo Berglund (Sweden)