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https://github.com/libretro/RetroArch
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Include VROM in cheevos NES hash
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@ -2615,7 +2615,7 @@ static int cheevos_iterate(coro_t *coro)
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{SNES_MD5, "SNES (8Mb padding)", snes_exts},
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{GENESIS_MD5, "Genesis (6Mb padding)", genesis_exts},
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{LYNX_MD5, "Atari Lynx (only first 512 bytes)", lynx_exts},
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{NES_MD5, "NES (discards VROM)", NULL},
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{NES_MD5, "NES (discards header)", NULL},
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{GENERIC_MD5, "Generic (plain content)", NULL},
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{FILENAME_MD5, "Generic (filename)", NULL}
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};
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@ -2987,12 +2987,8 @@ found:
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*************************************************************************/
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CORO_SUB(NES_MD5)
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/* Note about the references to the FCEU emulator below. There is no
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* core-specific code in this function, it's rather Retro Achievements
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* specific code that must be followed to the letter so we compute
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* the correct ROM hash. Retro Achievements does indeed use some
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* FCEU related method to compute the hash, since its NES emulator
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* is based on it. */
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/* Checks for the existence of a headered NES file.
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Unheadered files fall back to GENERIC_MD5. */
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if (coro->len < sizeof(coro->header))
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{
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@ -3012,37 +3008,13 @@ found:
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CORO_RET();
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}
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{
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size_t romsize = 256;
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/* from FCEU core - compute size using the cart mapper */
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int mapper = (coro->header.rom_type >> 4) | (coro->header.rom_type2 & 0xF0);
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if (coro->header.rom_size)
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romsize = next_pow2(coro->header.rom_size);
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/* for games not to the power of 2, so we just read enough
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* PRG rom from it, but we have to keep ROM_size to the power of 2
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* since PRGCartMapping wants ROM_size to be to the power of 2
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* so instead if not to power of 2, we just use head.ROM_size when
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* we use FCEU_read. */
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coro->round = mapper != 53 && mapper != 198 && mapper != 228;
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coro->bytes = coro->round ? romsize : coro->header.rom_size;
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}
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/* from FCEU core - check if Trainer included in ROM data */
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MD5_Init(&coro->md5);
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coro->offset = sizeof(coro->header) + (coro->header.rom_type & 4
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? sizeof(coro->header) : 0);
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coro->count = 0x4000 * coro->bytes;
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coro->count = coro->len - coro->offset;
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CORO_GOSUB(EVAL_MD5);
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if (coro->count < 0x4000 * coro->bytes)
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{
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coro->offset = 0xff;
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coro->count = 0x4000 * coro->bytes - coro->count;
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CORO_GOSUB(FILL_MD5);
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}
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MD5_Final(coro->hash, &coro->md5);
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CORO_GOTO(GET_GAMEID);
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