gnupic: SDCC #pragma memory declarations
Subject:
Re: SDCC #pragma memory declarations
From:
"Ricardo Amezquita Orozco" ####@####.####
Date:
5 Jul 2002 12:17:24 -0000
Message-Id: <LMBPBELKGHCDDAAA@mailcity.com>
--Scott
This means this is usefull yet??
What is the pragma syntax??
Ricardo
On Thu, 4 Jul 2002 23:55:47
Scott Dattalo wrote:
>
> -- now work, thanks to Kevin L. Pauba. I've applied a patch Kevin has
>created that will:
>
> o extract the PIC device-specific memory map from a Microchip
> .INC file (all of which are distributed with gpasm, btw) and
> create a C .h file that can be included in an SDCC compiled
> C program. The memory map is defined as a series of compiler
> pragmas.
>
> o process the #pragmas so that SDCC understands the memory map
>
>This is slick! It means that SDCC instantly now supports all mid-range PIC
>devices (I haven't tested this out, of course). If a new (mid-range PIC)
>device comes along, then you can create your own device-specific include
>file without having to modify SDCC's source.
>
>
>In addition to Kevin's patch, I fixed some bugs with the over-zealous
>register optimizer. It turns out that some registers like PCLATH really
>are important :).
>
>Scott
>
>ps. Linas, your a2d.c program has been a quite useful real-life example
>application. I've mentioned it to Kevin, but in case you're interested,
>all of the manual bank manipulation stuff can probably be removed now (if
>not, then I'll fix it).
>
>
>
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