On Fri, 19 Dec 2008 13:21:06 -0600, Rick Fochtman wrote:

>-----------------------------------------<snip>--------------------------
>I am told this is an institutionalized mistake: a developer of yore did
>an UNPK and neglected to clear the sign nybble. IBM elected never to add
>the NI which would have fixed it. My surmise is that this cost far more
>code elsewhere in the OS, plus some corequisite documentation.
>------------------------------------<unsnip>-----------------------------
>Don't you mean a "OI" ??  :-)
>
>  OI    NAME+7,X'F0'
>
I'd only mean that if I were an Assembler programmer.

Sounds good to me; I stand corrected.

-- gil

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