[Simh] Systems Engineering Labs (SEL) simh simulator available

[J Bevier]

Being the SIM32 writer, let me tell you why, instead of everyone guessing. 
First there is no rule that I know of that requires simulators to be 64 bit. 
I developed the simulator using various Linux systems, mostly Fedora, both 
in 32 and 64 bit modes.  I still run several 32 bit Linux systems for some 
applications that can not be updated to 64 bit.  Hence the use of the -m32 
option to run them on 32 bit systems.  The SIM32 simulator will run as a 64 
or 32 app, so pick what you want to use.  I just happen to use both and a 32 
bit app will run on a 64 bit system, but a 64 bit app will not run on a 32 
bit system.

Jim

-----Original Message----- 
From: Paul Koning
Sent: Thursday, December 20, 2018 11:57 AM
To: Tom Morris
Cc: simh
Subject: Re: [Simh] Systems Engineering Labs (SEL) simh simulator available



> On Dec 20, 2018, at 1:51 PM, Tom Morris <tfmorris at gmail.com> wrote:
>
> On Wed, Dec 19, 2018 at 9:48 PM Paul Koning <paulkoning at comcast.net> 
> wrote:
>
> I may be missing something, but... why would you ask for a 32 bit compile? 
> If you want to create a kit that can run on old PCs, sure.  But for a 
> local build, the default makes more sense, whatever that is on the machine 
> in question.
>
> In other words, it's hard to see why you'd have -m32 in the compiler 
> switches.
>
> One reason might be for code that's not 64-bit clean.
>
> Tom

True.  But it's better and easy to fix such code.  Especially in SIMH which 
in some places actually requires 64 bit support, so making the whole thing 
64-bit clean is a good thing.

paul

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