On Fri, 10 Sep 2010 17:18:39 -0600 Paul Gilmartin <[email protected]> wrote:
:>On 09/10/10 08:29, Walt Farrell wrote: :>> How about this interpretation? The offset is 4092 from the value in R1, :>> since R1 addresses from -4096 to -1, and -4 - (-4096) is 4092. 4092 = FFC. :>Another HLASM test case: :> Active Usings: None :> Loc Object Code Addr1 Addr2 Stmt Source Statement :>000000 00000 0000C 1 NEGDISP CSECT :> 2 * :>000000 0000 0000 00000 3 LA R3,-4(,R2) :>** ASMA028E Invalid displacement :>** ASMA435I Record 3 in SPPG.NEGDISP.JOB07274.D0000101.? on volume: :> 4 * :> R:1 FFF000 5 USING -4096,R1 :>000004 4132 1FFC FFFFFC 6 LA R3,-4(R2) :> 7 * :>000008 4130 2FFC FFFFFC 8 LA R3,-4(,R2) :> 9 * :> 10 YREGS :>HLASM reports ASMA028E at line 3, but no error on the :>identical statement at line 8. All the experiments I can :>think of indicate that the USING is the differentiator. :>But this is silly. With an explicit base register specified, :>HLASM shouldn't even attempt implicit address resolution. :>This feels ever more like a bug. Seems like a bug in USING. Perhaps the absolute negative base is confusing it. -- 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.
