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Cart: Fixed data in the last ~4kb of the rom file being ignored when rom's size is not a multiple of 4kb

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Sour 2020-05-07 17:03:27 -04:00
parent dfd1f9109a
commit 7a929b56f3
1 changed files with 6 additions and 1 deletions
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7
Core/BaseCartridge.cpp
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@ -64,8 +64,13 @@ shared_ptr<BaseCartridge> BaseCartridge::CreateCartridge(Console* console, Virtu
}
} else {
cart->_prgRomSize = (uint32_t)romData.size();
if((cart->_prgRomSize & 0xFFF) != 0) {
//Round up to the next 4kb size, to ensure we have access to all the rom's data
cart->_prgRomSize = (cart->_prgRomSize & ~0xFFF) + 0x1000;
}
cart->_prgRom = new uint8_t[cart->_prgRomSize];
memcpy(cart->_prgRom, romData.data(), cart->_prgRomSize);
memset(cart->_prgRom, 0, cart->_prgRomSize);
memcpy(cart->_prgRom, romData.data(), romData.size());
}
if(memcmp(cart->_prgRom, "SNES-SPC700 Sound File Data", 27) == 0) {