Method portModified

gui/qt/debugger.cpp:1254–1318

}

void MainWindow::portModified(QTableWidgetItem *item) {
    if (item == Q_NULLPTR) {
        return;
    }

    int row = item->row();
    int col = item->column();

    if (col == PORT_READ_COL || col == PORT_WRITE_COL || col == PORT_FREEZE_COL) {
        uint16_t port = static_cast<uint16_t>(hex2int(m_ports->item(row, PORT_ADDR_COL)->text()));
        unsigned int mask = DBG_MASK_NONE;

        if (col == PORT_READ_COL) {   // Break on read
            mask = DBG_MASK_PORT_READ;
        }
        if (col == PORT_WRITE_COL) {  // Break on write
            mask = DBG_MASK_PORT_WRITE;
        }
        if (col == PORT_FREEZE_COL) { // Freeze
            mask = DBG_MASK_PORT_FREEZE;
        }
        debug_ports(port, mask, static_cast<QAbstractButton *>(m_ports->cellWidget(row, col))->isChecked());
    } else if (col == PORT_ADDR_COL) {
        std::string s = item->text().toUpper().toStdString();
        int mask;

        if (isNotValidHex(s) || s.length() > 4) {
            item->setText(m_prevPortAddr);
            return;
        }

        uint16_t port = static_cast<uint16_t>(hex2int(QString::fromStdString(s)));
        uint8_t data = port_peek_byte(port);
        QString portStr = int2hex(port, 4);

        m_ports->blockSignals(true);

        // return if port is already set
        for (int i=0; i<m_ports->rowCount(); i++) {
            if (m_ports->item(i, PORT_ADDR_COL)->text() == portStr && i != row) {
                item->setText(m_prevPortAddr);
                m_ports->blockSignals(false);
                return;
            }
        }

        if (m_prevPortAddr != DEBUG_UNSET_PORT) {
            debug_ports(hex2int(m_prevPortAddr), ~DBG_MASK_NONE, false);
        }

        mask = portGetMask(row);
        debug_ports(port, mask, true);
        item->setText(portStr);
        m_ports->item(row, PORT_VALUE_COL)->setText(int2hex(data, 2));
    } else if (col == PORT_VALUE_COL) {
        if (m_ports->item(row, PORT_ADDR_COL)->text() != DEBUG_UNSET_PORT) {
            uint8_t pdata = static_cast<uint8_t>(hex2int(item->text()));
            uint16_t port = static_cast<uint16_t>(hex2int(m_ports->item(row, PORT_ADDR_COL)->text()));