63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
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#ifndef LIBSM64_H_
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#define LIBSM64_H_
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#define MIO0_DIR "mio0files"
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// typedefs
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typedef enum
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{
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ROM_INVALID, // not valid SM64 ROM
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ROM_SM64_BS, // SM64 byte-swapped (BADC)
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ROM_SM64_BE, // SM64 big-endian (ABCD)
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ROM_SM64_LE, // SM64 little-endian
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ROM_SM64_BE_EXT, // SM64 big-endian, extended
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} rom_type;
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typedef enum
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{
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VERSION_UNKNOWN,
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VERSION_SM64_U,
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VERSION_SM64_E,
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VERSION_SM64_J,
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VERSION_SM64_SHINDOU,
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} rom_version;
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typedef struct
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{
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char *in_filename;
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char *ext_filename;
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unsigned int ext_size;
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unsigned int padding;
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unsigned int alignment;
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char fill;
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char dump;
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} sm64_config;
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// determine ROM type based on data
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// buf: buffer containing raw SM64 ROM file data
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// length: length of 'buf'
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// returns SM64 ROM type or invalid
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rom_type sm64_rom_type(unsigned char *buf, unsigned int length);
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// determine SM64 ROM type based on cksum data
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// buf: buffer containing raw SM64 ROM file data
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// returns SM64 ROM version or unknown
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rom_version sm64_rom_version(unsigned char *buf);
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// find and decompress all MIO0 blocks
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// config: configuration to determine alignment, padding and size
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// in_buf: buffer containing entire contents of SM64 data in big endian
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// length: length of in_buf
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// out_buf: buffer containing extended SM64
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void sm64_decompress_mio0(const sm64_config *config,
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unsigned char *in_buf,
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unsigned int in_length,
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unsigned char *out_buf);
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// update N64 header checksums
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// buf: buffer containing ROM data
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// checksums are written into the buffer
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void sm64_update_checksums(unsigned char *buf);
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#endif // LIBSM64_H_
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