GameBoy\Opcode::opcode181 PHP Method

    public static function opcode181(Core $core)
    {
        $core->registerA |= $core->registersHL & 0xff;
        $core->FZero = $core->registerA == 0;
        $core->FSubtract = $core->FCarry = $core->FHalfCarry = false;
    }