309 lines
10 KiB
C++
309 lines
10 KiB
C++
#include "stdafx.h"
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#include "EventManager.h"
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#include "DebugTypes.h"
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#include "Cpu.h"
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#include "Ppu.h"
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#include "DmaController.h"
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#include "MemoryManager.h"
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#include "Debugger.h"
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#include "DebugBreakHelper.h"
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#include "DefaultVideoFilter.h"
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#include "BaseEventManager.h"
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EventManager::EventManager(Debugger *debugger, Cpu *cpu, Ppu *ppu, MemoryManager *memoryManager, DmaController *dmaController)
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{
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_debugger = debugger;
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_cpu = cpu;
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_ppu = ppu;
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_memoryManager = memoryManager;
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_dmaController = dmaController;
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_ppuBuffer = new uint16_t[512 * 478];
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memset(_ppuBuffer, 0, 512 * 478 * sizeof(uint16_t));
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}
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EventManager::~EventManager()
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{
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delete[] _ppuBuffer;
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}
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void EventManager::AddEvent(DebugEventType type, MemoryOperationInfo &operation, int32_t breakpointId)
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{
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DebugEventInfo evt = {};
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evt.Type = type;
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evt.Operation = operation;
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evt.Scanline = _ppu->GetScanline();
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evt.Cycle = _memoryManager->GetHClock();
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evt.BreakpointId = breakpointId;
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if(operation.Type == MemoryOperationType::DmaRead || operation.Type == MemoryOperationType::DmaWrite) {
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evt.DmaChannel = _dmaController->GetActiveChannel();
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evt.DmaChannelInfo = _dmaController->GetChannelConfig(evt.DmaChannel & 0x07);
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} else {
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evt.DmaChannel = -1;
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}
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CpuState state = _cpu->GetState();
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evt.ProgramCounter = (state.K << 16) | state.PC;
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_debugEvents.push_back(evt);
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}
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void EventManager::AddEvent(DebugEventType type)
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{
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DebugEventInfo evt = {};
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evt.Type = type;
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evt.Scanline = _ppu->GetScanline();
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evt.Cycle = _memoryManager->GetHClock();
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evt.BreakpointId = -1;
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evt.DmaChannel = -1;
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CpuState state = _cpu->GetState();
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evt.ProgramCounter = (state.K << 16) | state.PC;
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_debugEvents.push_back(evt);
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}
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void EventManager::GetEvents(DebugEventInfo *eventArray, uint32_t &maxEventCount)
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{
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auto lock = _lock.AcquireSafe();
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uint32_t eventCount = std::min(maxEventCount, (uint32_t)_sentEvents.size());
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memcpy(eventArray, _sentEvents.data(), eventCount * sizeof(DebugEventInfo));
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maxEventCount = eventCount;
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}
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DebugEventInfo EventManager::GetEvent(uint16_t scanline, uint16_t cycle, EventViewerDisplayOptions &options)
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{
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auto lock = _lock.AcquireSafe();
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for(DebugEventInfo &evt : _sentEvents) {
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if(evt.Cycle == cycle && evt.Scanline == scanline) {
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return evt;
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}
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}
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DebugEventInfo empty = {};
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empty.ProgramCounter = 0xFFFFFFFF;
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return empty;
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}
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uint32_t EventManager::GetEventCount(EventViewerDisplayOptions options)
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{
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auto lock = _lock.AcquireSafe();
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FilterEvents(options);
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return (uint32_t)_sentEvents.size();
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}
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void EventManager::ClearFrameEvents()
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{
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_prevDebugEvents = _debugEvents;
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_debugEvents.clear();
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}
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void EventManager::FilterEvents(EventViewerDisplayOptions &options)
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{
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auto lock = _lock.AcquireSafe();
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_sentEvents.clear();
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vector<DebugEventInfo> events = _snapshot;
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if(options.ShowPreviousFrameEvents && _snapshotScanline != 0) {
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uint32_t key = (_snapshotScanline << 16) + _snapshotCycle;
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for(DebugEventInfo &evt : _prevDebugEvents) {
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uint32_t evtKey = (evt.Scanline << 16) + evt.Cycle;
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if(evtKey > key) {
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events.push_back(evt);
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}
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}
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}
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for(DebugEventInfo &evt : events) {
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bool isWrite = evt.Operation.Type == MemoryOperationType::Write || evt.Operation.Type == MemoryOperationType::DmaWrite;
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bool isDma = evt.Operation.Type == MemoryOperationType::DmaWrite || evt.Operation.Type == MemoryOperationType::DmaRead;
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bool showEvent = false;
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switch(evt.Type) {
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case DebugEventType::Breakpoint: showEvent = options.ShowMarkedBreakpoints;break;
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case DebugEventType::Irq: showEvent = options.ShowIrq; break;
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case DebugEventType::Nmi: showEvent = options.ShowNmi; break;
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case DebugEventType::Register:
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if(isDma && !options.ShowDmaChannels[evt.DmaChannel & 0x07]) {
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showEvent = false;
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break;
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}
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uint16_t reg = evt.Operation.Address & 0xFFFF;
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if(reg <= 0x213F) {
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if(isWrite) {
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if(reg >= 0x2101 && reg <= 0x2104) {
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showEvent = options.ShowPpuRegisterOamWrites;
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} else if(reg >= 0x2105 && reg <= 0x210C) {
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showEvent = options.ShowPpuRegisterBgOptionWrites;
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} else if(reg >= 0x210D && reg <= 0x2114) {
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showEvent = options.ShowPpuRegisterBgScrollWrites;
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} else if(reg >= 0x2115 && reg <= 0x2119) {
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showEvent = options.ShowPpuRegisterVramWrites;
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} else if(reg >= 0x211A && reg <= 0x2120) {
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showEvent = options.ShowPpuRegisterMode7Writes;
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} else if(reg >= 0x2121 && reg <= 0x2122) {
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showEvent = options.ShowPpuRegisterCgramWrites;
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} else if(reg >= 0x2123 && reg <= 0x212B) {
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showEvent = options.ShowPpuRegisterWindowWrites;
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} else {
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showEvent = options.ShowPpuRegisterOtherWrites;
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}
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} else {
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showEvent = options.ShowPpuRegisterReads;
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}
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} else if(reg <= 0x217F) {
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showEvent = isWrite ? options.ShowApuRegisterWrites : options.ShowApuRegisterReads;
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} else if(reg <= 0x2183) {
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showEvent = isWrite ? options.ShowWorkRamRegisterWrites : options.ShowWorkRamRegisterReads;
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} else if(reg >= 0x4000) {
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showEvent = isWrite ? options.ShowCpuRegisterWrites : options.ShowCpuRegisterReads;
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}
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break;
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}
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if(showEvent) {
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_sentEvents.push_back(evt);
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}
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}
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}
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void EventManager::DrawEvent(DebugEventInfo &evt, bool drawBackground, uint32_t *buffer, EventViewerDisplayOptions &options)
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{
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bool isWrite = evt.Operation.Type == MemoryOperationType::Write || evt.Operation.Type == MemoryOperationType::DmaWrite;
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uint32_t color = 0;
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switch(evt.Type) {
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case DebugEventType::Breakpoint: color = options.BreakpointColor; break;
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case DebugEventType::Irq: color = options.IrqColor; break;
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case DebugEventType::Nmi: color = options.NmiColor; break;
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case DebugEventType::Register:
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uint16_t reg = evt.Operation.Address & 0xFFFF;
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if(reg <= 0x213F) {
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if(isWrite) {
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if(reg >= 0x2101 && reg <= 0x2104) {
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color = options.PpuRegisterWriteOamColor;
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} else if(reg >= 0x2105 && reg <= 0x210C) {
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color = options.PpuRegisterWriteBgOptionColor;
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} else if(reg >= 0x210D && reg <= 0x2114) {
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color = options.PpuRegisterWriteBgScrollColor;
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} else if(reg >= 0x2115 && reg <= 0x2119) {
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color = options.PpuRegisterWriteVramColor;
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} else if(reg >= 0x211A && reg <= 0x2120) {
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color = options.PpuRegisterWriteMode7Color;
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} else if(reg >= 0x2121 && reg <= 0x2122) {
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color = options.PpuRegisterWriteCgramColor;
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} else if(reg >= 0x2123 && reg <= 0x212B) {
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color = options.PpuRegisterWriteWindowColor;
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} else {
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color = options.PpuRegisterWriteOtherColor;
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}
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} else {
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color = options.PpuRegisterReadColor;
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}
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} else if(reg <= 0x217F) {
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color = isWrite ? options.ApuRegisterWriteColor : options.ApuRegisterReadColor;
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} else if(reg <= 0x2183) {
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color = isWrite ? options.WorkRamRegisterWriteColor : options.WorkRamRegisterReadColor;
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} else if(reg >= 0x4000) {
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color = isWrite ? options.CpuRegisterWriteColor : options.CpuRegisterReadColor;
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}
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break;
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}
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if(drawBackground){
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color = 0xFF000000 | ((color >> 1) & 0x7F7F7F);
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} else {
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color |= 0xFF000000;
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}
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int iMin = drawBackground ? -2 : 0;
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int iMax = drawBackground ? 3 : 1;
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int jMin = drawBackground ? -2 : 0;
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int jMax = drawBackground ? 3 : 1;
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uint32_t y = std::min<uint32_t>(evt.Scanline * 2, _scanlineCount * 2);
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uint32_t x = evt.Cycle / 2;
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for(int i = iMin; i <= iMax; i++) {
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for(int j = jMin; j <= jMax; j++) {
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int32_t pos = (y + i) * EventManager::ScanlineWidth + x + j;
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if(pos < 0 || pos >= EventManager::ScanlineWidth * (int)_scanlineCount * 2) {
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continue;
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}
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buffer[pos] = color;
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}
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}
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}
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uint32_t EventManager::TakeEventSnapshot(EventViewerDisplayOptions options)
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{
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DebugBreakHelper breakHelper(_debugger);
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auto lock = _lock.AcquireSafe();
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_snapshot.clear();
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uint16_t cycle = _memoryManager->GetHClock();
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uint16_t scanline = _ppu->GetScanline();
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_overscanMode = _ppu->GetState().OverscanMode;
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_useHighResOutput = _ppu->IsHighResOutput();
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if(scanline >= _ppu->GetNmiScanline() || scanline == 0) {
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memcpy(_ppuBuffer, _ppu->GetScreenBuffer(), (_useHighResOutput ? (512 * 478) : (256*239)) * sizeof(uint16_t));
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} else {
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uint16_t adjustedScanline = scanline + (_overscanMode ? 0 : 7);
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uint32_t size = _useHighResOutput ? (512 * 478) : (256 * 239);
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uint32_t offset = _useHighResOutput ? (512 * adjustedScanline * 2) : (256 * adjustedScanline);
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memcpy(_ppuBuffer, _ppu->GetScreenBuffer(), offset * sizeof(uint16_t));
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memcpy(_ppuBuffer+offset, _ppu->GetPreviousScreenBuffer()+offset, (size - offset) * sizeof(uint16_t));
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}
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_snapshot = _debugEvents;
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_snapshotScanline = scanline;
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_snapshotCycle = cycle;
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_scanlineCount = _ppu->GetVblankEndScanline() + 1;
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return _scanlineCount;
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}
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void EventManager::GetDisplayBuffer(uint32_t *buffer, uint32_t bufferSize, EventViewerDisplayOptions options)
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{
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auto lock = _lock.AcquireSafe();
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if(_snapshotScanline < 0 || bufferSize < _scanlineCount * 2 * EventManager::ScanlineWidth * 4) {
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return;
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}
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for(int i = 0; i < EventManager::ScanlineWidth * (int)_scanlineCount * 2; i++) {
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buffer[i] = 0xFF555555;
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}
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//Skip the first 7 blank lines in the buffer when overscan mode is off
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uint16_t *src = _ppuBuffer + (_overscanMode ? 0 : (_useHighResOutput ? (512 * 14) : (256 * 7)));
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for(uint32_t y = 0, len = _overscanMode ? 239*2 : 224*2; y < len; y++) {
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for(uint32_t x = 0; x < 512; x++) {
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int srcOffset = _useHighResOutput ? ((y << 9) | x) : (((y >> 1) << 8) | (x >> 1));
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buffer[(y + 2)*EventManager::ScanlineWidth + x + 22*2] = DefaultVideoFilter::ToArgb(src[srcOffset]);
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}
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}
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constexpr uint32_t nmiColor = 0xFF55FFFF;
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constexpr uint32_t currentScanlineColor = 0xFFFFFF55;
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int nmiScanline = (_overscanMode ? 240 : 225) * 2 * EventManager::ScanlineWidth;
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uint32_t scanlineOffset = _snapshotScanline * 2 * EventManager::ScanlineWidth;
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for(int i = 0; i < EventManager::ScanlineWidth; i++) {
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buffer[nmiScanline + i] = nmiColor;
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buffer[nmiScanline + EventManager::ScanlineWidth + i] = nmiColor;
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if(_snapshotScanline != 0) {
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buffer[scanlineOffset + i] = currentScanlineColor;
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buffer[scanlineOffset + EventManager::ScanlineWidth + i] = currentScanlineColor;
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}
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}
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FilterEvents(options);
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for(DebugEventInfo &evt : _sentEvents) {
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DrawEvent(evt, true, buffer, options);
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}
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for(DebugEventInfo &evt : _sentEvents) {
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DrawEvent(evt, false, buffer, options);
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}
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}
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