[Info-vax] OpenVMS RTL Screen Management (SMG$) Manual

[VAXman- at SendSpamHere.ORG]

In article <craigberry-DD7A92.13471803082012 at news.eternal-september.org>, "Craig A. Berry" <craigberry at mac.com.spamfooler> writes:
>In article <539550e5-aeaa-4c1f-9525-c84ba500abce at googlegroups.com>,
> Ramon Jimenez <rjimen37 at ford.com> wrote:
>
>> We're porting an application from an ancient VAX to an I64 plattform.
>> 
>> Application uses SMG routines, I'm searching for the 
>> 
>> OpenVMS RTL Screen Management (SMG$) Manual
>> Order Number: AA--PV6LD--TK 
>> 
>> I'm following links shown on HP vms 8.3 official document repository but the 
>> only version I can find is for VAX-Alpha VMS 7.3.
>> 
>> Is not there an I64 version for this manual? I've found some issues and I 
>> would like to see wich differences if any has SMG on I64 vs VAX.
>
>The only SMG problem I encountered when going to Itanium had to do with 
>broadcast trapping.  The BASIC example in the manual at:
>
><http://h71000.www7.hp.com/doc/73final/5935/5935pro_015.html#index_x_224>
>
>(which we had slavishly imitated in our production code) does not work 
>on Itanium because it's sloppy about what's a subroutine and what's a 
>function and on Itanium you must declare your callback functions as 
>functions, not as subroutines.  VAX and Alpha were more forgiving about 
>this -- something about procedure signatures.  
>
>I'm sure Brian or Hartmut or John Reagan or other knowledgable denizens 
>of the noosegroup can explain the details, but you really don't need 
>the details to fix the problem.  You just need to convert those 
>broadcast subroutines to functions so that lines that look like:
>
>
>EXTERNAL INTEGER GET_MSG
>
>become:
>
>EXTERNAL INTEGER FUNCTION GET_MSG
>
>and lines that look like:
>
>SUB GET_MSG (...)
>
>become:
>
>FUNCTION INTEGER GET_MSG (...)
>
>But you may not be doing broadcast trapping at all, in which case you 
>really need to specify exactly what you are doing and what sort of 
>problem you're having with it.

Good information, however, the OP has not yet provided us with any details
of an implementation language, nor any details as to what's been perceived
as differing on Itanium from the VAX.  So, this is all speculation without
further feedback from the OP.

-- 
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