Method debugBasicStepInternal

gui/qt/basicdebugger.cpp:369–405

}

void MainWindow::debugBasicStepInternal(bool next) {
    if (!guiDebug || !guiDebugBasic) {
        return;
    }

    const uint32_t begPC = mem_peek_long(DBG_BASIC_BEGPC);
    const uint32_t curPC = mem_peek_long(DBG_BASIC_CURPC);
    const uint32_t endPC = mem_peek_long(DBG_BASIC_ENDPC);
    int index = 0;
    if (curPC < begPC || curPC > endPC || debugBasicPrgmLookup(false, &index) == DBG_BASIC_NO_EXECUTING_PRGM) {
        // step until valid
        const uint16_t firstOffset = 1;
        const uint16_t lastOffset = 0;
        debugSync();
        debug_step(DBG_BASIC_STEP_IN, firstOffset | (static_cast<uint32_t>(lastOffset) << 16));
        emu.resume();
        return;
    }

    // locate next line
    uint32_t offset = curPC - begPC;
    const auto &tokensMap = m_basicPrgmsTokensMap[index];
    const auto stepField = m_basicShowFetches ? &token_highlight_t::offset : &token_highlight_t::line;
    const int currField = tokensMap[offset].*stepField;
    const auto compareFields = [=](const token_highlight_t &posInfo) {
        return (posInfo.*stepField == currField) ^ next;
    };
    const auto first = std::find_if(tokensMap.constBegin() + offset, tokensMap.constEnd(), compareFields);
    const auto last = std::find_if_not(first, tokensMap.constEnd(), compareFields);
    if (first != last) {
        const uint16_t firstOffset = (first - tokensMap.constBegin());
        const uint16_t lastOffset = (last - tokensMap.constBegin()) - 1;
        debugSync();
        debug_step(next ? DBG_BASIC_STEP_NEXT : DBG_BASIC_STEP_IN, firstOffset | (static_cast<uint32_t>(lastOffset) << 16));
        emu.resume();
    }
}

QString MainWindow::debugBasicGetPrgmName() {
    char name[10];