[rescue] AS/400? Anyone?

Jonathan C. Patschke jp at celestrion.net
Fri Jan 18 10:35:07 CST 2008

On Fri, 18 Jan 2008, Sridhar Ayengar wrote:

>> The underlying hardware instruction set isn't, but since all "AS/400"
>> software was written against TIMI, the underlying hardware is but a
>> means to an end.
> And, if memory serves, there were more than one incompatible versions of
> the CISC AS/400 architecture in use at various times.

Absolutely.  If you didn't have to worry about compatibility and could
make any random changes to the hardware, instruction set, memory
manager, and I/O subsystem to improve cost or performance, wouldn't you?

Jonathan Patschke
Elgin, TX

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