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try to correct crc32/md5 based from header PRG/CHR sizes

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retro-wertz
2017-04-24 10:58:56 +08:00
parent f58f99644c
commit 76d5a120b3
1 changed files with 8 additions and 4 deletions
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12
src/ines.c
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@@ -725,9 +725,13 @@ int iNESLoad(const char *name, FCEUFILE *fp) {
FCEU_fread(VROM, 0x2000, VROM_size, fp);
md5_starts(&md5);
md5_update(&md5, ROM, ROM_size << 14);
iNESGameCRC32 = CalcCRC32(0, ROM, ROM_size << 14);
if (head.ROM_size) {
md5_update(&md5, ROM, head.ROM_size << 14);
iNESGameCRC32 = CalcCRC32(0, ROM, head.ROM_size << 14);
} else {
md5_update(&md5, ROM, ROM_size << 14);
iNESGameCRC32 = CalcCRC32(0, ROM, ROM_size << 14);
}
if (VROM_size) {
iNESGameCRC32 = CalcCRC32(iNESGameCRC32, VROM, VROM_size << 13);
@@ -738,7 +742,7 @@ int iNESLoad(const char *name, FCEUFILE *fp) {
iNESCart.CRC32 = iNESGameCRC32;
FCEU_printf(" PRG ROM: %3d x 16KiB\n", ROM_size);
FCEU_printf(" PRG ROM: %3d x 16KiB\n", head.ROM_size ? head.ROM_size : 256);
FCEU_printf(" CHR ROM: %3d x 8KiB\n", head.VROM_size);
FCEU_printf(" ROM CRC32: 0x%08lx\n", iNESGameCRC32);
FCEU_printf(" ROM MD5: 0x%s\n", md5_asciistr(iNESCart.MD5));