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From: Ted Dennison <dennison@telepath.com>
Subject: Re: Can someone explain this to me please?
Date: 1999/08/06
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Date: 1999-08-06T00:00:00+00:00
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In article <rqm730dlkur11@corp.supernews.com>,
  "J. Marshall" <a_revelation@hotmail.com> wrote:
> I am a C programmer, recently assigned to an Ada project due to staff
> problems here.
Welcome to the light side of the force. :-)

> The project, originally built in 1492 using Verdix on a VAX, it is now

Hmmm. I guess Columbus' crew had to do something during that long voyage
across the Atlantic.

> being ported to Green Hills AdaMULTI version 1.8.9 running on a SunOS
> host, for a VMEbus embedded target running VxWorks.
> Example of some of the "old" code used...
>
> COMMAND_REG_PTR :
>    COMMAND_REG_PTR_TYPE :=
>       TO_CMD_PTR( SYSTEM.ADDRESS'ref( BOARD_CONFIGURATION ) );
>
> ..to which the compiler responds with
>
>    UNRECOGNIZED ATTRIBUTE "ref"

"'ref" was a compiler-specific attribute for the VADS compilers. It
should be described in detail in appendix F of your Verdix compiler
documentation. I highly suggest reading that.

To help much more, we'd probably need to see what the type of
"BOARD_CONFIGURATION" is, and how "COMMAND_REG_PTR_TYPE" is defined.

--
T.E.D.


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