Re: Illegal op ff e8 2c in newer dosemu

[Frederic Herman <fherman@Inferential.com>]

I have had the same problem with another accounting program for a LONG 
(many years) time.  The accounting program (ACCPAC) will run on a 32 bit 
machine but generates op code errors on a 64 bit machine.  I have had to 
resort to running it on the one 32 bit machine remotely via ssh.

It is likely a memory management issue that has never been fixed.  Yes, 
some programs will run on a 32 bit machine but not ones that require 
larger memory.

I have tried all different configuration combinations, but after wasting 
a lot of time, I just bit the bullet and ran the accounting program on a 
32 bit machine.

Fred
On 05/06/2015 12:05 PM, Mateusz Viste wrote:
> On 06/05/2015 19:17, John R. Sowden wrote:
>> I thought I heard that you cannot run 16 bit DOS programs on a 64 bit
>> box.  And I thought that applies to wither Windows or Linux.
>> Let me know as I have a 64 bit box that I am not using because of this
>> DOS issue.
>
> Must be some old limitation, because I use DOSEmu on a x86_64 system,
> and I run 16bit DOS programs without any troubles.
>
> Mateusz
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