GameBoy\Core::setCurrentMBC5ROMBank PHP Method

    public function setCurrentMBC5ROMBank()
    {
        //Read the cartridge ROM data from RAM memory:
        $this->currentROMBank = ($this->ROMBank1offs - 1) * 0x4000;
        while ($this->currentROMBank + 0x4000 >= count($this->ROM)) {
            $this->currentROMBank -= count($this->ROM);
        }
    }