On Sat, 11 Dec 2010 12:04:44 -0600 David de Jongh <[email protected]> wrote:
:>Really? :>Did they change this? :>The displacement for AL is treated as a 12-bit :>unsigned binary integer. The displacement for ALY, :>ALG, and ALGF is treated as a 20-bit signed binary :>integer. :>Resulting Condition Code: :>0 Result zero; no carry :>1 Result not zero; no carry :>2 Result zero; carry :>3 Result not zero; carry Been a while since I used it with a CC check - when I did 63 bit arithmetic before the Z. Yes, I forgot that it set the CC. I was thinking that it was like the SHIFT LOGICAL which doesn't set the CC. My bad. :>> -----Original Message----- :>> From: IBM Mainframe Assembler List [mailto:ASSEMBLER- :>> [email protected]] On Behalf Of Binyamin Dissen :>> Sent: Saturday, December 11, 2010 11:16 AM :>> To: [email protected] :>> Subject: Re: Pop quiz on new z196 instructions :>> On Sat, 11 Dec 2010 10:13:19 -0500 Don Higgins <[email protected]> wrote: :>> :>As I'm finishing up adding all the new z196 instructions to the z390 :>> :>Portable Mainframe Assembler and Emulator for Windows and Linux, I've :>> come :>across a single ADD instruction which does not set the condition :>> code. :>> :>What is it and why was it added? :>> Single instruction? Many varieties of AL -- Binyamin Dissen <[email protected]> http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel Should you use the mailblocks package and expect a response from me, you should preauthorize the dissensoftware.com domain. I very rarely bother responding to challenge/response systems, especially those from irresponsible companies.
