FW: [Sdcc-user] absacc.h - XBYTE and #pragma directive endasm problems

[EVANDRO L. H. <eva...@si...>]

Hehehe, I agree. Why use asm?

Evandro Luiz Hauenstein

-----Original Message-----
From: Royce & Sharal Pereira [mailto:be...@et...]=20
Sent: quinta-feira, 16 de janeiro de 2003 07:06
To: SDCC
Subject: Fw: [Sdcc-user] absacc.h - XBYTE and #pragma directive endasm =
problems


Hi,
----- Original Message -----
From: "mount me" <li...@ya...>
To: "Jesus Calvino-Fraga" <Je...@ec...>;
<sdc...@li...>
Sent: Thursday, January 16, 2003 2:34 PM
Subject: Re: [Sdcc-user] absacc.h - XBYTE and #pragma directive endasm
problems


> Hi,
> I have got this tiny program implementing xbyte .
>
> The file is karthik.c -->
>
> # include<8051.h>
> # define XBYTE((unsigned char volatile xdata *)0);
> unsigned char volatile xdata kl;
>
> void main(void)
> {
>   kl=3D0xa000;
>   XBYTE(kl)=3D0x0000;
> }
>
> Though the program gets compiled correctly, i
> am unable to store at the address 0xa000 .
> How to do it ??
>
> Is there any fault in XBYTE define statement ??
> WHere is the problem ??

Why dont u read the SDCC & ASXxxx manual thoroughly? I'm sure most of =
your
queries will get cleared... including xdata storage Use the list if u =
cant
find your answers in any of the docs.. If you need a tutorial in C, the =
list
is not the best place to get it..
By the way why do you need a C compiler (SDCC) when you seem to want to
implement everything in assembly?

Bye,
--Royce.




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