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Fixed init order when loading a game to prevent potential crashes (or incorrect behavior) in some scenarios (mostly if using the random mapper state option)

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This commit is contained in:
Sour 2019-06-22 16:33:59 -04:00
parent 6cafa77f22
commit e338ab0765
11 changed files with 48 additions and 42 deletions
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30
Core/BaseMapper.cpp
View file

@ -372,28 +372,6 @@ void BaseMapper::SelectCHRPage(uint16_t slot, uint16_t page, ChrMemoryType memor
SetPpuMemoryMapping(startAddr, endAddr, page, memoryType);
}
void BaseMapper::InitializeRam(void* data, uint32_t length)
{
InitializeRam(_console->GetSettings()->GetRamPowerOnState(), data, length);
}
void BaseMapper::InitializeRam(RamPowerOnState powerOnState, void* data, uint32_t length)
{
switch(powerOnState) {
default:
case RamPowerOnState::AllZeros: memset(data, 0, length); break;
case RamPowerOnState::AllOnes: memset(data, 0xFF, length); break;
case RamPowerOnState::Random:
std::random_device rd;
std::mt19937 mt(rd());
std::uniform_int_distribution<> dist(0, 255);
for(uint32_t i = 0; i < length; i++) {
((uint8_t*)data)[i] = dist(mt);
}
break;
}
}
uint8_t BaseMapper::GetPowerOnByte(uint8_t defaultValue)
{
if(_console->GetSettings()->CheckFlag(EmulationFlags::RandomizeMapperPowerOnState)) {
@ -467,7 +445,7 @@ void BaseMapper::InitializeChrRam(int32_t chrRamSize)
_chrRamSize = chrRamSize >= 0 ? chrRamSize : defaultRamSize;
if(_chrRamSize > 0) {
_chrRam = new uint8_t[_chrRamSize];
InitializeRam(_chrRam, _chrRamSize);
_console->InitializeRam(_chrRam, _chrRamSize);
}
}
@ -607,12 +585,12 @@ void BaseMapper::Initialize(RomData &romData)
_saveRam = new uint8_t[_saveRamSize];
_workRam = new uint8_t[_workRamSize];
InitializeRam(_saveRam, _saveRamSize);
InitializeRam(_workRam, _workRamSize);
_console->InitializeRam(_saveRam, _saveRamSize);
_console->InitializeRam(_workRam, _workRamSize);
_nametableCount = 2;
_nametableRam = new uint8_t[BaseMapper::NametableSize*BaseMapper::NametableCount];
InitializeRam(_nametableRam, BaseMapper::NametableSize*BaseMapper::NametableCount);
_console->InitializeRam(_nametableRam, BaseMapper::NametableSize*BaseMapper::NametableCount);
for(int i = 0; i < 0x100; i++) {
//Allow us to map a different page every 256 bytes

3
Core/BaseMapper.h
View file

@ -200,9 +200,6 @@ public:
uint8_t DebugReadVRAM(uint16_t addr, bool disableSideEffects = true);
void InitializeRam(void* data, uint32_t length);
static void InitializeRam(RamPowerOnState powerOnState, void* data, uint32_t length);
void CopyChrTile(uint32_t address, uint8_t *dest);
//Debugger Helper Functions

31
Core/Console.cpp
View file

@ -1,4 +1,5 @@
#include "stdafx.h"
#include <random>
#include <thread>
#include "Console.h"
#include "CPU.h"
@ -277,7 +278,9 @@ bool Console::Initialize(VirtualFile &romFile, VirtualFile &patchFile)
romFile.ReadFile(fileData);
_batteryManager->Initialize(FolderUtilities::GetFilename(romFile.GetFileName(), false));
shared_ptr<BaseMapper> mapper = MapperFactory::InitializeFromFile(shared_from_this(), romFile.GetFileName(), fileData);
RomData romData;
shared_ptr<BaseMapper> mapper = MapperFactory::InitializeFromFile(shared_from_this(), romFile.GetFileName(), fileData, romData);
if(mapper) {
_soundMixer->StopAudio(true);
@ -364,6 +367,10 @@ bool Console::Initialize(VirtualFile &romFile, VirtualFile &patchFile)
_ppu.reset(new PPU(shared_from_this()));
}
_mapper->SetConsole(shared_from_this());
_mapper->Initialize(romData);
GetNotificationManager()->RegisterNotificationListener(_mapper);
_memoryManager->SetMapper(_mapper);
_memoryManager->RegisterIODevice(_ppu.get());
_memoryManager->RegisterIODevice(_apu.get());
@ -1125,6 +1132,28 @@ int32_t Console::GetStopCode()
return _stopCode;
}
void Console::InitializeRam(void* data, uint32_t length)
{
InitializeRam(_settings->GetRamPowerOnState(), data, length);
}
void Console::InitializeRam(RamPowerOnState powerOnState, void* data, uint32_t length)
{
switch(powerOnState) {
default:
case RamPowerOnState::AllZeros: memset(data, 0, length); break;
case RamPowerOnState::AllOnes: memset(data, 0xFF, length); break;
case RamPowerOnState::Random:
std::random_device rd;
std::mt19937 mt(rd());
std::uniform_int_distribution<> dist(0, 255);
for(uint32_t i = 0; i < length; i++) {
((uint8_t*)data)[i] = dist(mt);
}
break;
}
}
shared_ptr<HdPackData> Console::GetHdData()
{
return _hdData;

4
Core/Console.h
View file

@ -39,6 +39,7 @@ enum class ScaleFilterType;
enum class ConsoleFeatures;
enum class DebugMemoryType;
enum class EventType;
enum class RamPowerOnState;
class Console : public std::enable_shared_from_this<Console>
{
@ -214,6 +215,9 @@ public:
bool IsDebuggerAttached();
void InitializeRam(void* data, uint32_t length);
static void InitializeRam(RamPowerOnState powerOnState, void* data, uint32_t length);
shared_ptr<HdPackData> GetHdData();
bool IsHdPpu();

2
Core/Eeprom24C01.h
View file

@ -27,7 +27,7 @@ public:
Eeprom24C01(shared_ptr<Console> console)
{
_console = console;
BaseMapper::InitializeRam(_console->GetSettings()->GetRamPowerOnState(), _romData, 128);
_console->InitializeRam(_romData, 128);
_console->GetBatteryManager()->LoadBattery(".eeprom128", _romData, 128);
}

2
Core/Eeprom24C02.h
View file

@ -27,7 +27,7 @@ public:
Eeprom24C02(shared_ptr<Console> console)
{
_console = console;
BaseMapper::InitializeRam(_console->GetSettings()->GetRamPowerOnState(), _romData, 256);
_console->InitializeRam(_romData, 256);
_console->GetBatteryManager()->LoadBattery(".eeprom256", _romData, 256);
}

6
Core/MapperFactory.cpp
View file

@ -656,7 +656,7 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
return nullptr;
}
shared_ptr<BaseMapper> MapperFactory::InitializeFromFile(shared_ptr<Console> console, string romFilename, vector<uint8_t> &fileData)
shared_ptr<BaseMapper> MapperFactory::InitializeFromFile(shared_ptr<Console> console, string romFilename, vector<uint8_t> &fileData, RomData &outRomData)
{
RomLoader loader;
@ -673,9 +673,7 @@ shared_ptr<BaseMapper> MapperFactory::InitializeFromFile(shared_ptr<Console> con
shared_ptr<BaseMapper> mapper(GetMapperFromID(romData));
if(mapper) {
mapper->SetConsole(console);
mapper->Initialize(romData);
console->GetNotificationManager()->RegisterNotificationListener(mapper);
outRomData = romData;
return mapper;
}
} else if(loader.GetRomData().BiosMissing) {

2
Core/MapperFactory.h
View file

@ -15,5 +15,5 @@ class MapperFactory
static constexpr uint16_t FdsMapperID = 65535;
static constexpr uint16_t NsfMapperID = 65534;
static shared_ptr<BaseMapper> InitializeFromFile(shared_ptr<Console> console, string romFilename, vector<uint8_t> &fileData);
static shared_ptr<BaseMapper> InitializeFromFile(shared_ptr<Console> console, string romFilename, vector<uint8_t> &fileData, RomData &outRomData);
};

2
Core/MemoryManager.cpp
View file

@ -38,7 +38,7 @@ void MemoryManager::SetMapper(shared_ptr<BaseMapper> mapper)
void MemoryManager::Reset(bool softReset)
{
if(!softReset) {
_mapper->InitializeRam(_internalRAM, InternalRAMSize);
_console->InitializeRam(_internalRAM, InternalRAMSize);
}
_mapper->Reset(softReset);

4
Core/PPU.cpp
View file

@ -28,8 +28,8 @@ PPU::PPU(shared_ptr<Console> console)
0x09, 0x01, 0x34, 0x03, 0x00, 0x04, 0x00, 0x14, 0x08, 0x3A, 0x00, 0x02, 0x00, 0x20, 0x2C, 0x08 };
memcpy(_paletteRAM, paletteRamBootValues, sizeof(_paletteRAM));
_console->GetMapper()->InitializeRam(_spriteRAM, 0x100);
_console->GetMapper()->InitializeRam(_secondarySpriteRAM, 0x20);
_console->InitializeRam(_spriteRAM, 0x100);
_console->InitializeRam(_secondarySpriteRAM, 0x20);
Reset();
}

4
Core/UnlDripGame.h
View file

@ -35,8 +35,8 @@ protected:
_wramWriteEnabled = false;
_lastNametableFetchAddr = 0;
InitializeRam(_extendedAttributes[0], 0x400);
InitializeRam(_extendedAttributes[1], 0x400);
_console->InitializeRam(_extendedAttributes[0], 0x400);
_console->InitializeRam(_extendedAttributes[1], 0x400);
SelectPRGPage(1, -1);