[rescue] AS/400 question

[Charles Shannon Hendrix]

On Thu, Jun 05, 2003 at 08:49:20PM -0400, Dave McGuire wrote:

> >You are actually programming a virtual machine of sorts, on top of the
> >real OS and hardware.
> 
>   That's neat.

It's definitely neat stuff, but well hidden from the users.

> >At least, that's how I've understood the S/38 and AS/400 systems.
> 
>   S/38 (and AS/400 which grew out of it) was a very high-level 
> architecture from what I've read...But I think we were mainly talking 
> about the PowerPC-based AS/400s.  I would love to see more information 
> about the pre-PowerPC ones.

As I understand it, the PowerPC CPU in the new ones is merely emulating
the AS/400 architecture.

Supposedly even binaries from the old one run on the new ones,
unchanged.

Of course, IBM is famous for stuff like this.


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