Hi Antonio,
Are you targeting MCS51 / 8051? Have you tried the __code directive?
Cheers,
Henry
On Sun, Jun 9, 2013 at 2:58 PM, Antonio Todo Bom <anto...@boole.com.br> wrote:
> Hi dears,
>
> I'm trying to code a table to access strings. My target is produce a routine
> to print menus in dual language.
>
> I wrote:
>
> const char *menu_str[][] = {
> { "text1 lang1", "text1 lang2" },
> { "text2 lang1", "text2 lang2" },
> { "textN lang1", "textN lang2" },
> { 0,0 }
> };
>
> results:
> idata
> _menu_str db LOW(__str_0), HIGH(__str_0), UPPER(__str_0), LOW(__str_1),
> HIGH(__str_1), UPPER(__str_1), LOW(__str_2), HIGH(__str_2), UPPER(__str_2),
> LOW(__str_3), HIGH(__str_3), UPPER(__str_3)
> db LOW(__str_4), HIGH(__str_4), UPPER(__str_4), LOW(__str_5), HIGH(__str_5),
> UPPER(__str_5), 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
>
> ;--------------------------------------------------------
> ; global & static initialisations
> ;--------------------------------------------------------
> ; I code from now on!
> ; ; Starting pCode block
> __str_0:
> DB 0x74, 0x65, 0x78, 0x74, 0x31, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x31, 0x00
> ; ; Starting pCode block
> __str_1:
> DB 0x74, 0x65, 0x78, 0x74, 0x31, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x32, 0x00
> ; ; Starting pCode block
> __str_2:
> DB 0x74, 0x65, 0x78, 0x74, 0x32, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x31, 0x00
> ; ; Starting pCode block
> __str_3:
> DB 0x74, 0x65, 0x78, 0x74, 0x32, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x32, 0x00
> ; ; Starting pCode block
> __str_4:
> DB 0x74, 0x65, 0x78, 0x74, 0x4e, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x31, 0x00
> ; ; Starting pCode block
> __str_5:
> DB 0x74, 0x65, 0x78, 0x74, 0x4e, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x32, 0x00
>
> I'd like to know if is there any way to produce not a idata, but a CODE
> sector to _menu_str constant, once all strings are constants and the table
> to access it is a constant too, and I don't need to expend RAM memory to
> this.
>
> I did some alternate code to produce what I want:
>
> const char menu_000 [] = "text1 lang1";
> const char menu_001 [] = "text1 lang2";
> const char menu_010 [] = "text2 lang1";
> const char menu_011 [] = "text2 lang2";
> const char menu_020 [] = "textN lang1";
> const char menu_021 [] = "textN lang2";
>
>
> void menu_str(void) __naked {
> __asm
> DW _menu_000, _menu_001
> DW _menu_010, _menu_011
> DW _menu_020, _menu_021
> DW 0, 0
> __endasm;
> }
>
> so, it results exactly I want:
>
> S_config__menu_str code
> _menu_str:
> DW _menu_000, _menu_001
> DW _menu_010, _menu_011
> DW _menu_020, _menu_021
> DW _menu_090, _menu_091
> DW 0, 0
> ; ; Starting pCode block for Ival
> code
> __menu_000:
> DB 0x74, 0x65, 0x78, 0x74, 0x31, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x31, 0x00
> ; ; Starting pCode block for Ival
> __menu_001:
> DB 0x74, 0x65, 0x78, 0x74, 0x31, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x32, 0x00
> ; ; Starting pCode block for Ival
> __menu_010:
> DB 0x74, 0x65, 0x78, 0x74, 0x32, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x31, 0x00
> ; ; Starting pCode block for Ival
> __menu_011:
> DB 0x74, 0x65, 0x78, 0x74, 0x32, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x32, 0x00
> ; ; Starting pCode block for Ival
> __menu_020:
> DB 0x74, 0x65, 0x78, 0x74, 0x4e, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x31, 0x00
> ; ; Starting pCode block for Ival
> __menu_021:
> DB 0x74, 0x65, 0x78, 0x74, 0x4e, 0x20, 0x6c, 0x61, 0x6e, 0x67, 0x32, 0x00
>
>
> Then, at de header file "I Lied" about the symbols, declaring:
>
> extern const unsigned int menus_strs[5][2];
>
> And IT WORKS... ok, but I'd like to this only in C language to future
> compatibility.
>
> Regards,
>
> Antonio
>
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