GameBoy\Opcode::opcode12 PHP Method

    public static function opcode12(Core $core)
    {
        $core->registerC = $core->registerC + 1 & 0xff;
        $core->FZero = $core->registerC == 0;
        $core->FHalfCarry = ($core->registerC & 0xf) == 0;
        $core->FSubtract = false;
    }