Can any one supply examples on how to convert to relocatable code?
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Roy Hopkins   :-)

Tauranga
New Zealand
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----- Original Message -----
From: "Bob Barr" <bbarr@CALIFORNIA.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Sunday, February 22, 2004 11:25 AM
Subject: Re: [PIC]: Include file and header management


> On Sat, 21 Feb 2004 14:09:46 -0500, Jeff Swayze wrote:
>
> >Hi Folks,
> >
> >Though still very much a beginner at this, I now have several "modules"
of
> >code under my belt, like LCD routines, delay routines, math routines,
etc.
> >Currently I have these stored seperately and use the "#include" statement
to
> >integrate them into the main program. The variables and equates for each
> >routine are then prepended to the main program's variables at the top of
the
> >code.
> >
> >My question is: Is there a defacto standard or any kind of guideline as
to
> >how to manage the variables and equates associated with an include file?
> >I've seen some examples use ".h" header files that are "#included" along
> >with their code (ie, LCD.inc and LCD.h) but this seems inefficient. Is
there
> >a way I can include a module's variables within the module itself, thus
> >avoiding the use of multiple files?
> >
> >I'd be curious to hear how others manage these items, and perhaps code
> >organization in general. I'm certain there's a better way than what I'm
> >doing now.
> >
>
> While it's certainly not a formalized standard as such, I think many
> of us (if not most) use relocatable code to organize our source code.
> This allows the creation of  isolated modules that are then linked
> together to form the application.
>
> Any variables that are local to the module are defined within it and
> only those which need to be accessed by other modules are declared to
> be global in scope.
>
> The same is done with subroutine entry points - local ones are only
> called from within the module and those that need to be accessed from
> outside are declared as globals.
>
>
> Switching from working with absolute to relocatable code takes a bit
> of work and the learning curve can be a bit intimidating but, IMHO,
> the benefits are well worth the effort.
>
>
> Regards, Bob
>
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