mgba/src/platform/qt/MemoryView.cpp

209 lines
6.3 KiB
C++

/* Copyright (c) 2013-2015 Jeffrey Pfau
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "MemoryView.h"
#include "GameController.h"
#include <mgba/core/core.h>
#ifdef M_CORE_GBA
#include <mgba/internal/gba/memory.h>
#endif
#ifdef M_CORE_GB
#include <mgba/internal/gb/memory.h>
#endif
using namespace QGBA;
struct IndexInfo {
const char* name;
const char* longName;
uint32_t base;
uint32_t size;
int maxSegment;
};
#ifdef M_CORE_GBA
const static struct IndexInfo indexInfoGBA[] = {
{ "All", "All", 0, 0x10000000 },
{ "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS },
{ "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, SIZE_WORKING_RAM },
{ "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, SIZE_WORKING_IRAM },
{ "MMIO", "Memory-Mapped I/O", BASE_IO, SIZE_IO },
{ "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, SIZE_PALETTE_RAM },
{ "VRAM", "Video RAM (96kiB)", BASE_VRAM, SIZE_VRAM },
{ "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, SIZE_OAM },
{ "ROM", "Game Pak (32MiB)", BASE_CART0, SIZE_CART0 },
{ "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, SIZE_CART1 },
{ "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, SIZE_CART2 },
{ "SRAM", "Static RAM (64kiB)", BASE_CART_SRAM, SIZE_CART_SRAM },
{ nullptr, nullptr, 0, 0, 0 }
};
#endif
#ifdef M_CORE_GB
const static struct IndexInfo indexInfoGB[] = {
{ "All", "All", 0, 0x10000 },
{ "ROM", "Game Pak (32kiB)", GB_BASE_CART_BANK0, GB_SIZE_CART_BANK0 * 2, 511 },
{ "VRAM", "Video RAM (8kiB)", GB_BASE_VRAM, GB_SIZE_VRAM, 1 },
{ "SRAM", "External RAM (8kiB)", GB_BASE_EXTERNAL_RAM, GB_SIZE_EXTERNAL_RAM, 3 },
{ "WRAM", "Working RAM (8kiB)", GB_BASE_WORKING_RAM_BANK0, GB_SIZE_WORKING_RAM_BANK0 * 2, 7 },
{ "OAM", "OBJ Attribute Memory", GB_BASE_OAM, GB_SIZE_OAM },
{ "IO", "Memory-Mapped I/O", GB_BASE_IO, GB_SIZE_IO },
{ "HRAM", "High RAM", GB_BASE_HRAM, GB_SIZE_HRAM },
{ nullptr, nullptr, 0, 0, 0 }
};
#endif
MemoryView::MemoryView(GameController* controller, QWidget* parent)
: QWidget(parent)
, m_controller(controller)
{
m_ui.setupUi(this);
m_ui.hexfield->setController(controller);
mCore* core = m_controller->thread()->core;
const IndexInfo* info = nullptr;
switch (core->platform(core)) {
#ifdef M_CORE_GBA
case PLATFORM_GBA:
info = indexInfoGBA;
break;
#endif
#ifdef M_CORE_GB
case PLATFORM_GB:
info = indexInfoGB;
break;
#endif
default:
break;
}
connect(m_ui.regions, SIGNAL(currentIndexChanged(int)), this, SLOT(setIndex(int)));
connect(m_ui.segments, SIGNAL(valueChanged(int)), this, SLOT(setSegment(int)));
if (info) {
for (size_t i = 0; info[i].name; ++i) {
m_ui.regions->addItem(tr(info[i].longName));
}
}
connect(m_ui.width8, &QAbstractButton::clicked, [this]() { m_ui.hexfield->setAlignment(1); });
connect(m_ui.width16, &QAbstractButton::clicked, [this]() { m_ui.hexfield->setAlignment(2); });
connect(m_ui.width32, &QAbstractButton::clicked, [this]() { m_ui.hexfield->setAlignment(4); });
connect(m_ui.setAddress, SIGNAL(valueChanged(const QString&)), m_ui.hexfield, SLOT(jumpToAddress(const QString&)));
connect(m_ui.hexfield, SIGNAL(selectionChanged(uint32_t, uint32_t)), this, SLOT(updateSelection(uint32_t, uint32_t)));
connect(controller, SIGNAL(gameStopped(mCoreThread*)), this, SLOT(close()));
connect(controller, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(update()));
connect(controller, SIGNAL(gamePaused(mCoreThread*)), this, SLOT(update()));
connect(controller, SIGNAL(stateLoaded(mCoreThread*)), this, SLOT(update()));
connect(controller, SIGNAL(rewound(mCoreThread*)), this, SLOT(update()));
connect(m_ui.copy, SIGNAL(clicked()), m_ui.hexfield, SLOT(copy()));
connect(m_ui.save, SIGNAL(clicked()), m_ui.hexfield, SLOT(save()));
connect(m_ui.paste, SIGNAL(clicked()), m_ui.hexfield, SLOT(paste()));
connect(m_ui.load, SIGNAL(clicked()), m_ui.hexfield, SLOT(load()));
connect(m_ui.loadTBL, SIGNAL(clicked()), m_ui.hexfield, SLOT(loadTBL()));
}
void MemoryView::setIndex(int index) {
mCore* core = m_controller->thread()->core;
IndexInfo info;
switch (core->platform(core)) {
#ifdef M_CORE_GBA
case PLATFORM_GBA:
info = indexInfoGBA[index];
break;
#endif
#ifdef M_CORE_GB
case PLATFORM_GB:
info = indexInfoGB[index];
break;
#endif
default:
return;
}
m_ui.segments->setValue(-1);
m_ui.segments->setVisible(info.maxSegment > 0);
m_ui.segments->setMaximum(info.maxSegment);
m_ui.hexfield->setRegion(info.base, info.size, info.name);
}
void MemoryView::setSegment(int segment) {
mCore* core = m_controller->thread()->core;
IndexInfo info;
switch (core->platform(core)) {
#ifdef M_CORE_GBA
case PLATFORM_GBA:
info = indexInfoGBA[m_ui.regions->currentIndex()];
break;
#endif
#ifdef M_CORE_GB
case PLATFORM_GB:
info = indexInfoGB[m_ui.regions->currentIndex()];
break;
#endif
default:
return;
}
m_ui.hexfield->setSegment(info.maxSegment < segment ? info.maxSegment : segment);
}
void MemoryView::update() {
m_ui.hexfield->viewport()->update();
updateStatus();
}
void MemoryView::updateSelection(uint32_t start, uint32_t end) {
m_selection.first = start;
m_selection.second = end;
updateStatus();
}
void MemoryView::updateStatus() {
int align = m_ui.hexfield->alignment();
if (!m_controller->isLoaded()) {
return;
}
mCore* core = m_controller->thread()->core;
QByteArray selection(m_ui.hexfield->serialize());
QString text(m_ui.hexfield->decodeText(selection));
m_ui.stringVal->setText(text);
if (m_selection.first & (align - 1) || m_selection.second - m_selection.first != align) {
m_ui.sintVal->clear();
m_ui.uintVal->clear();
return;
}
union {
uint32_t u32;
int32_t i32;
uint16_t u16;
int16_t i16;
uint8_t u8;
int8_t i8;
} value;
switch (align) {
case 1:
value.u8 = core->rawRead8(core, m_selection.first, m_ui.segments->value());
m_ui.sintVal->setText(QString::number(value.i8));
m_ui.uintVal->setText(QString::number(value.u8));
break;
case 2:
value.u16 = core->rawRead16(core, m_selection.first, m_ui.segments->value());
m_ui.sintVal->setText(QString::number(value.i16));
m_ui.uintVal->setText(QString::number(value.u16));
break;
case 4:
value.u32 = core->rawRead32(core, m_selection.first, m_ui.segments->value());
m_ui.sintVal->setText(QString::number(value.i32));
m_ui.uintVal->setText(QString::number(value.u32));
break;
}
}