Mail Archives: djgpp/1999/08/10/18:26:39
From: | "Andrew Davidson" <andrew AT lemure DOT freeserve DOT co DOT uk>
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | How do I set up predefined structures?
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Date: | Tue, 10 Aug 1999 03:03:30 +0100
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Organization: | Customer of Planet Online
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Reply-To: | djgpp AT delorie DOT com
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I'm trying to set up a set of predefined structures for a C based emulator
I'm writing using GCC and Allegro. It's intended to allow easy definitions
of ROM loading information and the overall description of each of the ROM
sub-sets (there are 3 sub-sets in every game: program, tile, and sprite) is
NULL terminated because it can vary in length:
These make up the basic structures:
typedef struct rom_double {
char *file1,*file2;
int length;
}
typedef struct rom_triple {
char *file1,*file2,*file3;
int length;
};
struct rom_map {
rom_double *program_roms;
rom_triple *tile_roms;
rom_double *sprite_roms;
};
As an example of a simple predefined structure:
struct rom_map game1_map = {
{ /* program roms */
{"progrom1a","progrom1b",65536},
{"progrom2a","progrom2b",65536},
{NULL, NULL, 0}
},
{ /* tile roms */
{"tilerom1a","tilerom1b","tilerom1c",65536},
{NULL, NULL, NULL, 0}
},
{ /* sprite roms */
{"spriterom1a","spriterom1b",65536},
{"spriterom2a","spriterom2b",65536},
{"spriterom3a","spriterom3b",65536},
{"spriterom4a","spriterom4b",65536},
{NULL, NULL, 0}
}
};
However, when I compile it tons of warnings are generated, so I'm obviously
doing something hideously wrong, but I can't see what.
Thanks for any help,
Andrew
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