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SNES hashing, just ignore header if it has one

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meleu 2018-12-24 16:00:16 -02:00 committed by Raphaël Zumer
parent dc45fbada6
commit 2a9f6d9d40
1 changed files with 7 additions and 13 deletions
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20
cheevos/cheevos.c
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@ -2612,7 +2612,7 @@ static int cheevos_iterate(coro_t *coro)
static cheevos_finder_t finders[] =
{
{SNES_MD5, "SNES (8Mb padding)", snes_exts},
{SNES_MD5, "SNES (discards header)", snes_exts},
{GENESIS_MD5, "Genesis (6Mb padding)", genesis_exts},
{LYNX_MD5, "Atari Lynx (only first 512 bytes)", lynx_exts},
{NES_MD5, "NES (discards header)", NULL},
@ -2902,7 +2902,12 @@ found:
MD5_Init(&coro->md5);
coro->offset = 0;
/* if the file contains header, ignore it */
if (coro->len - ((coro->len / 0x2000) * 0x2000) == 512)
coro->offset = 512;
else
coro->offset = 0;
coro->count = 0;
CORO_GOSUB(EVAL_MD5);
@ -2914,17 +2919,6 @@ found:
CORO_RET();
}
if (coro->count < size_in_megabytes(8))
{
/*
* Inputs: CHEEVOS_VAR_MD5, CHEEVOS_VAR_OFFSET, CHEEVOS_VAR_COUNT
* Outputs: CHEEVOS_VAR_MD5
*/
coro->offset = 0;
coro->count = size_in_megabytes(8) - coro->count;
CORO_GOSUB(FILL_MD5);
}
MD5_Final(coro->hash, &coro->md5);
CORO_GOTO(GET_GAMEID);