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Minimal attempt to be compatible with ROMs without correct headers

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This commit is contained in:
Lior Halphon 2017-02-24 15:14:47 +02:00
parent 3d99773ddb
commit 724153e5ef
1 changed files with 6 additions and 2 deletions
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6
Core/mbc.c
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@ -110,7 +110,11 @@ void GB_configure_cart(GB_gameboy_t *gb)
{ {
gb->cartridge_type = &GB_cart_defs[gb->rom[0x147]]; gb->cartridge_type = &GB_cart_defs[gb->rom[0x147]];
if (gb->rom[0x147] != 0 && memcmp(gb->cartridge_type, &GB_cart_defs[0], sizeof(GB_cart_defs[0])) == 0) { if (gb->rom[0x147] == 0 && gb->rom_size > 0x8000) {
GB_log(gb, "ROM header reports no MBC, but file size is over 32Kb. Assuming cartridge uses MBC3.\n");
gb->cartridge_type = &GB_cart_defs[0x11];
}
else if (gb->rom[0x147] != 0 && memcmp(gb->cartridge_type, &GB_cart_defs[0], sizeof(GB_cart_defs[0])) == 0) {
GB_log(gb, "Cartridge type %02x is not yet supported.\n", gb->rom[0x147]); GB_log(gb, "Cartridge type %02x is not yet supported.\n", gb->rom[0x147]);
} }