mirror of https://github.com/Treeki/WindEmu.git
251 lines
7.2 KiB
C++
251 lines
7.2 KiB
C++
#include "mainwindow.h"
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#include "ui_mainwindow.h"
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#include <QTimer>
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#include "../WindCore/decoder.h"
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#include "clps7111.h"
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MainWindow::MainWindow(EmuBase *emu, QWidget *parent) :
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QMainWindow(parent),
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ui(new Ui::MainWindow),
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pdaScreen(emu),
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emu(emu)
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{
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ui->setupUi(this);
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ui->logView->setMaximumBlockCount(1000);
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emu->setLogger([&](const char *str) {
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ui->logView->appendPlainText(str);
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});
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timer = new QTimer(this);
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timer->setInterval(1000/64);
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connect(timer, SIGNAL(timeout()), SLOT(execTimer()));
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pdaScreen.show();
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updateScreen();
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}
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void MainWindow::updateScreen()
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{
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ui->cycleCounter->setText(QString("Cycles: %1").arg(emu->currentCycles()));
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updateMemory();
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char flagDisplay[] = {
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(emu->getCPSR() & 0x80000000) ? 'N' : '-',
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(emu->getCPSR() & 0x40000000) ? 'Z' : '-',
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(emu->getCPSR() & 0x20000000) ? 'C' : '-',
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(emu->getCPSR() & 0x10000000) ? 'V' : '-',
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0
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};
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const char *modeName = "???";
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switch (emu->getCPSR() & 0x1F) {
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case 0x10: modeName = "User"; break;
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case 0x11: modeName = "FIQ"; break;
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case 0x12: modeName = "IRQ"; break;
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case 0x13: modeName = "Supervisor"; break;
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case 0x17: modeName = "Abort"; break;
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case 0x1B: modeName = "Undefined"; break;
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}
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ui->regsLabel->setText(
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QString("R0: %1 / R1: %2 / R2: %3 / R3: %4 / R4: %5 / R5: %6 / R6: %7 / R7: %8\nR8: %9 / R9: %10 / R10:%11 / R11:%12 / R12:%13 / SP: %14 / LR: %15 / PC: %16\n%17 / Mode: %18")
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.arg(emu->getGPR(0), 8, 16)
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.arg(emu->getGPR(1), 8, 16)
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.arg(emu->getGPR(2), 8, 16)
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.arg(emu->getGPR(3), 8, 16)
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.arg(emu->getGPR(4), 8, 16)
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.arg(emu->getGPR(5), 8, 16)
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.arg(emu->getGPR(6), 8, 16)
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.arg(emu->getGPR(7), 8, 16)
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.arg(emu->getGPR(8), 8, 16)
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.arg(emu->getGPR(9), 8, 16)
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.arg(emu->getGPR(10), 8, 16)
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.arg(emu->getGPR(11), 8, 16)
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.arg(emu->getGPR(12), 8, 16)
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.arg(emu->getGPR(13), 8, 16)
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.arg(emu->getGPR(14), 8, 16)
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.arg(emu->getGPR(15), 8, 16)
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.arg(flagDisplay)
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.arg(modeName)
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);
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// show a crude disassembly
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const int context = 8 * 4;
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uint32_t pc = emu->getGPR(15) - 8;
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uint32_t minCode = pc - context;
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if (minCode >= (UINT32_MAX - context))
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minCode = 0;
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uint32_t maxCode = pc + context;
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if (maxCode < context)
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maxCode = UINT32_MAX;
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QStringList codeLines;
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for (uint32_t addr = minCode; addr >= minCode && addr <= maxCode; addr += 4) {
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const char *prefix = (addr == pc) ? (emu->instructionReady() ? "==>" : "...") : " ";
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struct ARMInstructionInfo info;
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char buffer[512];
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auto result = emu->readVirtual(addr, ARM710::V32);
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if (result.first.has_value()) {
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uint32_t opcode = result.first.value();
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ARMDecodeARM(opcode, &info);
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ARMDisassemble(&info, addr, buffer, sizeof(buffer));
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codeLines.append(QString("%1 %2 | %3 | %4").arg(prefix).arg(addr, 8, 16).arg(opcode, 8, 16).arg(buffer));
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}
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}
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ui->codeLabel->setText(codeLines.join('\n'));
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// now, the actual screen
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pdaScreen.updateScreen();
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}
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void MainWindow::on_startButton_clicked()
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{
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timer->start();
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ui->startButton->setEnabled(false);
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ui->stopButton->setEnabled(true);
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ui->stepInsnButton->setEnabled(false);
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ui->stepTickButton->setEnabled(false);
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}
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void MainWindow::on_stopButton_clicked()
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{
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timer->stop();
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ui->startButton->setEnabled(true);
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ui->stopButton->setEnabled(false);
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ui->stepInsnButton->setEnabled(true);
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ui->stepTickButton->setEnabled(true);
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}
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void MainWindow::on_stepTickButton_clicked()
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{
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// emu->executeUntil(emu->currentCycles() + (CLOCK_SPEED * 2));
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emu->executeUntil(emu->currentCycles() + 25000000);
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updateScreen();
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}
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void MainWindow::on_stepInsnButton_clicked()
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{
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emu->executeUntil(emu->currentCycles() + 1);
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updateScreen();
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}
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void MainWindow::execTimer()
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{
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if (emu) {
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emu->executeUntil(emu->currentCycles() + (emu->getClockSpeed() / 64));
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updateScreen();
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}
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}
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void MainWindow::on_addBreakButton_clicked()
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{
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uint32_t addr = ui->breakpointAddress->text().toUInt(nullptr, 16);
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emu->breakpoints().insert(addr);
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updateBreakpointsList();
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}
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void MainWindow::on_removeBreakButton_clicked()
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{
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uint32_t addr = ui->breakpointAddress->text().toUInt(nullptr, 16);
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emu->breakpoints().erase(addr);
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updateBreakpointsList();
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}
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void MainWindow::updateBreakpointsList()
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{
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ui->breakpointsList->clear();
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for (uint32_t addr : emu->breakpoints()) {
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ui->breakpointsList->addItem(QString::number(addr, 16));
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}
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}
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void MainWindow::on_memoryViewAddress_textEdited(const QString &)
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{
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updateMemory();
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}
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void MainWindow::updateMemory()
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{
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uint32_t virtBase = ui->memoryViewAddress->text().toUInt(nullptr, 16) & ~0xFF;
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auto physBaseOpt = emu->virtToPhys(virtBase);
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auto physBase = physBaseOpt.value_or(0xFFFFFFFF);
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bool ok = physBaseOpt.has_value();
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if (ok && (virtBase != physBase))
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ui->physicalAddressLabel->setText(QStringLiteral("Physical: %1").arg(physBase, 8, 16, QLatin1Char('0')));
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uint8_t block[0x100];
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if (ok) {
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for (int i = 0; i < 0x100; i++) {
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block[i] = emu->readPhysical(physBase + i, ARM710::V8).value();
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}
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}
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QStringList output;
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for (int row = 0; row < 16; row++) {
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QString outLine;
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outLine.reserve(8 + 2 + (2 * 16) + 3 + 16);
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outLine.append(QStringLiteral("%1 |").arg(virtBase + (row * 16), 8, 16));
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for (int col = 0; col < 16; col++) {
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if (ok)
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outLine.append(QStringLiteral(" %1").arg(block[row*16+col], 2, 16, QLatin1Char('0')));
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else
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outLine.append(QStringLiteral(" ??"));
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}
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outLine.append(QStringLiteral(" | "));
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for (int col = 0; col < 16; col++) {
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uint8_t byte = block[row*16+col];
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if (!ok)
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outLine.append('?');
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else if (byte >= 0x20 && byte <= 0x7E)
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outLine.append(byte);
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else
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outLine.append('.');
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}
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output.append(outLine);
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}
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ui->memoryViewLabel->setText(output.join('\n'));
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}
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void MainWindow::on_memoryAdd1_clicked() { adjustMemoryAddress(1); }
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void MainWindow::on_memoryAdd4_clicked() { adjustMemoryAddress(4); }
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void MainWindow::on_memoryAdd10_clicked() { adjustMemoryAddress(0x10); }
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void MainWindow::on_memoryAdd100_clicked() { adjustMemoryAddress(0x100); }
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void MainWindow::on_memorySub1_clicked() { adjustMemoryAddress(-1); }
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void MainWindow::on_memorySub4_clicked() { adjustMemoryAddress(-4); }
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void MainWindow::on_memorySub10_clicked() { adjustMemoryAddress(-0x10); }
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void MainWindow::on_memorySub100_clicked() { adjustMemoryAddress(-0x100); }
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void MainWindow::adjustMemoryAddress(int offset) {
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uint32_t address = ui->memoryViewAddress->text().toUInt(nullptr, 16);
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address += offset;
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ui->memoryViewAddress->setText(QString("%1").arg(address, 8, 16, QLatin1Char('0')));
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updateMemory();
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}
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void MainWindow::on_writeByteButton_clicked()
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{
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uint32_t address = ui->memoryViewAddress->text().toUInt(nullptr, 16);
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uint8_t value = (uint8_t)ui->memoryWriteValue->text().toUInt(nullptr, 16);
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emu->writeVirtual(value, address, ARM710::V8);
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updateMemory();
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}
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void MainWindow::on_writeDwordButton_clicked()
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{
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uint32_t address = ui->memoryViewAddress->text().toUInt(nullptr, 16);
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uint32_t value = ui->memoryWriteValue->text().toUInt(nullptr, 16);
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emu->writeVirtual(value, address, ARM710::V32);
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updateMemory();
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}
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