77 lines
2.8 KiB
C
77 lines
2.8 KiB
C
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#ifndef SAVESTATE_H
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#define SAVESTATE_H
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#define bson_write_u32(p, value) \
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{ \
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u32 __tval = (value); \
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*p++ = (u8)((__tval)); \
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*p++ = (u8)((__tval) >> 8); \
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*p++ = (u8)((__tval) >> 16); \
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*p++ = (u8)((__tval) >> 24); \
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}
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#define bson_read_u32(p) \
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((p[3] << 24) | (p[2] << 16) | \
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(p[1] << 8) | (p[0] << 0))
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#define bson_write_cstring(p, value) \
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memcpy(p, value, strlen(value)+1); \
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p += strlen(value)+1;
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#define bson_write_int32(p, key, value) \
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*p++ = 0x10; \
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bson_write_cstring(p, key); \
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bson_write_u32(p, value);
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#define bson_write_int32array(p, key, arr, cnt) \
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{ \
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u32 *arrptr = (u32*)(arr); \
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int _n; \
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*p++ = 0x4; \
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bson_write_cstring(p, key); \
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bson_write_u32(p, 5 + (cnt) * 8); \
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for (_n = 0; _n < (cnt); _n++) { \
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char ak[3] = {'0'+(_n/10), '0'+(_n%10), 0}; \
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bson_write_int32(p, ak, arrptr[_n]); \
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} \
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*p++ = 0; \
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}
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#define bson_write_bytes(p, key, value, vlen) \
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*p++ = 0x05; \
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bson_write_cstring(p, key); \
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bson_write_u32(p, vlen); \
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*p++ = 0; \
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memcpy(p, value, vlen); \
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p += vlen;
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#define bson_start_document(p, key, hdrptr) \
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*p++ = 0x03; \
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bson_write_cstring(p, key); \
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hdrptr = p; \
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bson_write_u32(p, 0);
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#define bson_finish_document(p, hdrptr) \
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{ \
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u32 _sz = p - hdrptr + 1; \
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*p++ = 0; \
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bson_write_u32(hdrptr, _sz); \
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}
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const u8* bson_find_key(const u8 *srcp, const char *key);
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bool bson_read_int32(const u8 *srcp, const char *key, u32* value);
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bool bson_read_int32_array(const u8 *srcp, const char *key, u32* value, unsigned cnt);
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bool bson_read_bytes(const u8 *srcp, const char *key, void* buffer, unsigned cnt);
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/* this is an upper limit, leave room for future (?) stuff */
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#define GBA_STATE_MEM_SIZE (416*1024)
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#define GBA_STATE_MAGIC 0x06BAC0DE
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#define GBA_STATE_VERSION 0x00010001
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bool gba_load_state(const void *src);
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void gba_save_state(void *dst);
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#endif
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