> -----Original Message-----
> From: IBM Mainframe Discussion List 
> [mailto:ibm-m...@bama.ua.edu] On Behalf Of Lindy Mayfield
> Sent: Monday, January 18, 2010 10:51 AM
> To: IBM-MAIN@bama.ua.edu
> Subject: Re: Source code for s/360
> 
> That's right!  There is no SIO on z/VM.  I ran into that a 
> year or so ago.  Ahh, it's good enough for me just to peruse 
> the source.
> 

True, but imagine, with the source you could possibly emulate the SIO (entire 
s/360 I/O architecture) in the z/VM hypervisor. Probably not worth while, but 
theorically possible. The same with any obsolete supervisor instruction. Or 
design your own!

--
John McKown 
Systems Engineer IV
IT

Administrative Services Group

HealthMarkets(r)

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