65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
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#include "memorymodel.h"
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// nescorelib includes
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#include "nesemulator.h"
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MemoryModel::MemoryModel(NesEmulator &emu, QObject *parent) :
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QAbstractTableModel(parent),
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m_emu(emu),
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m_wram(emu.memory().wram())
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{
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}
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int MemoryModel::rowCount(const QModelIndex &parent) const
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{
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return (END_ADDR - START_ADDR) / VALUES_PER_ROW;
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}
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int MemoryModel::columnCount(const QModelIndex &parent) const
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{
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return VALUES_PER_ROW;
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}
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QVariant MemoryModel::data(const QModelIndex &index, int role) const
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{
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const quint16 address = START_ADDR + (index.row() * VALUES_PER_ROW) + index.column();
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const auto arrIndex = Memory::wramAddressToIndex(address);
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switch(role)
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{
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case Qt::DisplayRole:
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return QString("%0").arg(m_wram[arrIndex], 2, 16, QLatin1Char('0'));
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}
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return QVariant();
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}
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QVariant MemoryModel::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if(role == Qt::DisplayRole)
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{
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if(orientation == Qt::Horizontal)
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return QString::number(section, 16);
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else
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return QString("0x%0").arg(START_ADDR + (section * VALUES_PER_ROW), 4, 16, QLatin1Char('0'));
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}
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return QVariant();
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}
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void MemoryModel::refresh()
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{
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const auto &newWram = m_emu.memory().wram();
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for(quint16 i = START_ADDR; i < END_ADDR; i++)
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{
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const auto arrIndex = Memory::wramAddressToIndex(i);
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if(m_wram[arrIndex] != newWram[arrIndex])
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{
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QModelIndex index = createIndex((i-START_ADDR)/VALUES_PER_ROW, (i-START_ADDR)%VALUES_PER_ROW);
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Q_EMIT dataChanged(index, index, QVector<int> { Qt::DisplayRole });
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m_wram[arrIndex] = newWram[arrIndex];
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}
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}
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}
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