On Mon, 13 Jun 2016 16:14:25 -0500, Tom Marchant wrote:

>It seems to me that the low half of 14 should be unchanged as well, but that's 
>not what the book says.

Looking over my correspondence with Peter when he was rewriting Chapter 2, I 
asked about the low half of R14. He replied, quite correctly, that a caller 
can't rely on R14 being unchanged upon return from a call, since the call 
itself changes it.

-- 
Tom Marchant

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