Thomas Ward wrote:
> > You can also do programs over 32k without any other s/w.
> How?
Here's a copy of a message from last April that discusses some tips for
writing apps between 32k and 64k. The link near the bottom of the
message has most of the info you'll want to start with.
--Mark
> Subject: Re: Hitting the 32K Code limit
> Date: Sun, 18 Apr 1999 17:17:50 -0700
> From: Mark Nudelman <[EMAIL PROTECTED]>
> Organization: Greenwood Software
> To: [EMAIL PROTECTED]
> References: 1
>
> The trick listed on that web page works fine. One additional idea that
> may be useful: the web page says "Of course you must ensure (by
> shuffling your functions and objects) that calls between your functions
> don't exceed the 32k branch limit." If it's more convenient, you can
> use the trick often called "jump islands" to avoid tedious reshuffling
> of objects and code within the objects. For example, say you've got
> everything linking ok, except for three functions which don't fit within
> the 32k branch limit (call them Func1, Func2, Func3). You can add a
> module island.c which contains:
> int Func1(int x) { return Real_Func1(x); }
> int Func2(int x) { return Real_Func2(x); }
> int Func3{int x) { return Real_Func3(x); }
> Of course, you must make the types and arguments fit your own
> functions. Then rename your Func1 to Real_Func1; same with Func2 and
> Func3, but DON'T change the calls to these functions. Finally, put
> island.o near the middle of your list of objects. Now every call to
> Func1 will call the function Func1 in island.o, which then calls the
> real function Real_Func1. That's two jumps, so it's a tiny bit slower,
> but now you can reach (almost) from one end of the 64K segment to the
> other, since the jump island in the middle gives you a "stepping stone";
> each branch will be less than 32K. This will start to break down as you
> get near the 64K limit, but in my experience it works pretty well for
> apps between 32K and around 50-60K.
> --Mark
>
>
> Hamish McGovern wrote:
> >
> > I've just hit the 32K code limit using GCC,
> >
> > What is the easiest solution to overcomming this.
> > I have a copy of CW4 but am not using it - is this
> > a solution?
> >
> > I expect the application to continue to grow,
> > but won't reach 64K for a while.
> >
> > I found the following
> >
> > GCC programming tricks for the PalmPilot
> > http://www.geocities.com/SiliconValley/Lab/9981/gcctech.htm
> >
> > Any other suggestions.
> >
> > Regards
> > _______________________________
> > Hamish McGovern
> > http://www.watch.aust.com/
> > [EMAIL PROTECTED]
>
>
