mirror of https://github.com/Treeki/WindEmu.git
342 lines
9.9 KiB
C++
342 lines
9.9 KiB
C++
#include "mainwindow.h"
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#include "ui_mainwindow.h"
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#include "../WindCore/wind.h"
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#include <QTimer>
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#include <QKeyEvent>
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#include "../WindCore/decoder.h"
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MainWindow::MainWindow(QWidget *parent) :
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QMainWindow(parent),
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ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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emu = new Emu;
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emu->loadROM("/Users/ash/src/psion/Sys$rom.bin");
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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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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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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")
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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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);
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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) - 4;
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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) ? "==>" : " ";
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struct ARMInstructionInfo info;
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char buffer[512];
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uint32_t opcode = emu->readVirt32(addr);
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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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ui->codeLabel->setText(codeLines.join('\n'));
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// now, the actual screen
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const uint8_t *lcdBuf = emu->getLCDBuffer();
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if (lcdBuf) {
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QImage img(640, 240, QImage::Format_Grayscale8);
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// fetch palette
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int bpp = 1 << (lcdBuf[1] >> 4);
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int ppb = 8 / bpp;
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uint16_t palette[16];
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for (int i = 0; i < 16; i++)
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palette[i] = lcdBuf[i*2] | ((lcdBuf[i*2+1] << 8) & 0xF00);
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// build our image out
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int lineWidth = (img.width() * bpp) / 8;
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for (int y = 0; y < img.height(); y++) {
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uint8_t *scanline = img.scanLine(y);
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int lineOffs = 0x20 + (lineWidth * y);
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for (int x = 0; x < img.width(); x++) {
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uint8_t byte = lcdBuf[lineOffs + (x / ppb)];
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int shift = (x & (ppb - 1)) * bpp;
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int mask = (1 << bpp) - 1;
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int palIdx = (byte >> shift) & mask;
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int palValue = palette[palIdx];
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palValue |= (palValue << 4);
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scanline[x] = palValue ^ 0xFF;
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}
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}
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ui->screen->setPixmap(QPixmap::fromImage(std::move(img)));
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}
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}
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static int resolveKey(int key) {
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switch (key) {
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case Qt::Key_6: return 0;
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case Qt::Key_5: return 1;
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case Qt::Key_4: return 2;
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case Qt::Key_3: return 3;
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case Qt::Key_2: return 4;
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case Qt::Key_1: return 5;
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// missing 6: F13/rec
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case Qt::Key_Apostrophe: return 7;
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case Qt::Key_Backspace: return 8;
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case Qt::Key_0: return 9;
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case Qt::Key_9: return 10;
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case Qt::Key_8: return 11;
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case Qt::Key_7: return 12;
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// missing 13: F15/play
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case Qt::Key_Y: return 14;
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case Qt::Key_T: return 15;
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case Qt::Key_R: return 16;
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case Qt::Key_E: return 17;
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case Qt::Key_W: return 18;
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case Qt::Key_Q: return 19;
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case Qt::Key_Escape: return 20;
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case Qt::Key_Enter: return 21;
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case Qt::Key_Return: return 21;
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case Qt::Key_L: return 22;
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case Qt::Key_P: return 23;
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case Qt::Key_O: return 24;
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case Qt::Key_I: return 25;
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case Qt::Key_U: return 26;
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case Qt::Key_Alt: return 27; // actually Menu
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case Qt::Key_G: return 28;
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case Qt::Key_F: return 29;
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case Qt::Key_D: return 30;
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case Qt::Key_S: return 31;
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case Qt::Key_A: return 32;
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case Qt::Key_Tab: return 33;
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#ifdef Q_OS_MAC
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case Qt::Key_Meta: return 34; // Control -> Control
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#else
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case Qt::Key_Control: return 34; // Control -> Control
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#endif
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case Qt::Key_Down: return 35;
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case Qt::Key_Period: return 36;
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case Qt::Key_M: return 37;
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case Qt::Key_K: return 38;
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case Qt::Key_J: return 39;
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case Qt::Key_H: return 40;
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#ifdef Q_OS_MAC
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case Qt::Key_Control: return 41; // Command -> Fn
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#else
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case Qt::Key_Meta: return 41; // Super -> Fn
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#endif
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case Qt::Key_N: return 42;
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case Qt::Key_B: return 43;
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case Qt::Key_V: return 44;
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case Qt::Key_C: return 45;
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case Qt::Key_X: return 46;
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case Qt::Key_Z: return 47;
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case Qt::Key_Shift: return 48;
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case Qt::Key_Right: return 49;
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case Qt::Key_Left: return 50;
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case Qt::Key_Comma: return 51;
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case Qt::Key_Up: return 52;
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case Qt::Key_Space: return 53;
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// missing 54: F14/stop
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// missing 55: another Shift
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}
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return -1;
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}
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void MainWindow::keyPressEvent(QKeyEvent *event)
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{
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int k = resolveKey(event->key());
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if (k >= 0)
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emu->keyboardKeys[k] = true;
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}
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void MainWindow::keyReleaseEvent(QKeyEvent *event)
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{
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int k = resolveKey(event->key());
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if (k >= 0)
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emu->keyboardKeys[k] = false;
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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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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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emu->executeUntil(emu->currentCycles() + (CLOCK_SPEED / 64));
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updateScreen();
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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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uint32_t physBase = emu->virtToPhys(virtBase);
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bool ok = (physBase != 0xFFFFFFFF) && emu->isPhysAddressValid(physBase);
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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->readPhys8(physBase + i);
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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->writeVirt8(address, value);
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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->writeVirt32(address, value);
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updateMemory();
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}
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