mirror of
https://github.com/libretro/Mesen.git
synced 2024-11-24 09:39:44 +00:00
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
#include "stdafx.h"
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#include "TraceLogger.h"
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#include "DisassemblyInfo.h"
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#include "DebugState.h"
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#include "Console.h"
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TraceLogger *TraceLogger::_instance = nullptr;
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TraceLogger::TraceLogger(string outputFilepath, TraceLoggerOptions options)
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{
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_outputFile.open(outputFilepath, ios::out | ios::binary);
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_options = options;
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_firstLine = true;
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_instance = this;
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}
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TraceLogger::~TraceLogger()
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{
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Console::Pause();
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if(_instance == this) {
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_instance = nullptr;
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}
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if(_outputFile) {
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_outputFile.close();
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}
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Console::Resume();
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}
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void TraceLogger::LogStatic(string log)
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{
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if(_instance) {
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_instance->_outputFile << " - [" << log << " - Cycle: " << std::to_string(CPU::GetCycleCount()) << "]";
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}
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}
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void TraceLogger::Log(DebugState &state, shared_ptr<DisassemblyInfo> disassemblyInfo)
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{
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if(disassemblyInfo) {
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State &cpuState = state.CPU;
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PPUDebugState &ppuState = state.PPU;
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string disassembly = disassemblyInfo->ToString(cpuState.DebugPC);
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auto separatorPosition = disassembly.begin() + disassembly.find_first_of(':', 0);
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string byteCode(disassembly.begin(), separatorPosition);
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byteCode.erase(std::remove(byteCode.begin(), byteCode.end(), '$'), byteCode.end());
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string assemblyCode(separatorPosition + 1, disassembly.end());
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//Roughly adjust PPU cycle & scanline to take into account the PPU already ran 3 cycles by the time we get here
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short ppuCycle = (short)ppuState.Cycle - 3;
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short scanline = (short)ppuState.Scanline;
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if(ppuCycle < 0) {
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ppuCycle = 341 + ppuCycle;
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scanline--;
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if(scanline < -1) {
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scanline = EmulationSettings::GetNesModel() == NesModel::NTSC ? 260 : 310;
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}
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}
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if(!_firstLine) {
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_outputFile << std::endl;
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}
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_outputFile << std::uppercase << std::hex
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<< std::setfill('0') << std::setw(4) << std::right << (short)cpuState.DebugPC << " "
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<< std::setfill(' ') << std::setw(10) << std::left << byteCode
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<< std::setfill(' ') << std::setw(32) << std::left << assemblyCode
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<< std::setfill('0')
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<< "A:" << std::right << std::setw(2) << (short)cpuState.A
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<< " X:" << std::setw(2) << (short)cpuState.X
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<< " Y:" << std::setw(2) << (short)cpuState.Y
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<< " P:" << std::setw(2) << (short)cpuState.PS
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<< " SP:" << std::setw(2) << (short)cpuState.SP
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<< std::dec << std::setfill(' ') << std::right
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<< " CYC:" << std::setw(3) << ppuCycle << std::left
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<< " SL:" << std::setw(3) << scanline
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<< " CPU Cycle:" << cpuState.CycleCount;
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_firstLine = false;
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}
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} |