Merge pull request #946 from death-droid/MempakFix

Change up the way Mempaks are meant to work, use the standard file fu…
This commit is contained in:
zilmar 2016-01-28 17:43:35 +11:00
commit 5b00932156
3 changed files with 164 additions and 194 deletions

View File

@ -1,20 +1,21 @@
/**************************************************************************** /****************************************************************************
* * * *
* Project64 - A Nintendo 64 emulator. * * Project64 - A Nintendo 64 emulator. *
* http://www.pj64-emu.com/ * * http://www.pj64-emu.com/ *
* Copyright (C) 2012 Project64. All rights reserved. * * Copyright (C) 2012 Project64. All rights reserved. *
* * * *
* License: * * License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html * * GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* * * *
****************************************************************************/ ****************************************************************************/
#pragma once #pragma once
class Mempak class Mempak
{ {
public: public:
static void Close(); static uint8_t CalculateCrc(uint8_t * DataToCrc);
static uint8_t CalculateCrc(uint8_t * DataToCrc); static void Load();
static void ReadFrom(int32_t Control, uint8_t * command); static void Format(int32_t Control);
static void WriteTo(int32_t Control, uint8_t * command); static void ReadFrom(int32_t Control, uint8_t * command);
}; static void WriteTo(int32_t Control, uint8_t * command);
};

View File

@ -1,173 +1,143 @@
/**************************************************************************** /****************************************************************************
* * * *
* Project64 - A Nintendo 64 emulator. * * Project64 - A Nintendo 64 emulator. *
* http://www.pj64-emu.com/ * * http://www.pj64-emu.com/ *
* Copyright (C) 2012 Project64. All rights reserved. * * Copyright (C) 2012 Project64. All rights reserved. *
* * * *
* License: * * License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html * * GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* * * *
****************************************************************************/ ****************************************************************************/
#include "stdafx.h" #include "stdafx.h"
#include "Mempak.H" #include "Mempak.H"
#include <Common/path.h> #include <Common/path.h>
#include <Windows.h>
uint8_t Mempaks[4][0x8000];
static uint8_t Mempaks[4][0x8000]; CPath MempakNames[4];
void * hMempakFile[4];
void Mempak::Load()
void Mempak::Close() {
{ stdstr MempakName;
for (int32_t i = 0; i < 4; i++)
{ for (int i = 0; i < 3; i++)
if (hMempakFile[i]) {
{ MempakName.Format("%s_Cont_%d", g_Settings->LoadStringVal(Game_GameName).c_str(), i + 1);
CloseHandle(hMempakFile[i]);
hMempakFile[i] = NULL; MempakNames[i].SetDriveDirectory(g_Settings->LoadStringVal(Directory_NativeSave).c_str());
} MempakNames[i].SetName(MempakName.c_str());
} MempakNames[i].SetExtension("mpk");
}
if (!MempakNames[i].DirectoryExists())
void LoadMempak(int32_t Control) {
{ MempakNames[i].DirectoryCreate();
CPath FileName; }
DWORD dwRead;
stdstr MempakName; if (MempakNames[i].Exists())
bool bFormatMempak = false; {
FILE *mempak = fopen(MempakNames[i], "rb");
MempakName.Format("%s_Cont_%d", g_Settings->LoadStringVal(Game_GameName).c_str(), Control + 1); fread(Mempaks[i], 1, 0x8000, mempak);
fclose(mempak);
FileName.SetDriveDirectory(g_Settings->LoadStringVal(Directory_NativeSave).c_str()); }
FileName.SetName(MempakName.c_str()); else
FileName.SetExtension("mpk"); {
Mempak::Format(i);
if (!FileName.Exists()) }
{ }
bFormatMempak = true; }
if (!FileName.DirectoryExists()) void Mempak::Format(int32_t Control)
{ {
FileName.DirectoryCreate(); uint8_t Initialize[] = {
} 0x81, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
uint8_t Initialize[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0x05, 0x1A, 0x5F, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x81, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0C, 0x0D, 0x0E, 0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0xFF, 0x66, 0x25, 0x99, 0xCD,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0x05, 0x1A, 0x5F, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0xFF, 0x66, 0x25, 0x99, 0xCD, 0xFF, 0xFF, 0xFF, 0xFF, 0x05, 0x1A, 0x5F, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0xFF, 0x66, 0x25, 0x99, 0xCD,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x05, 0x1A, 0x5F, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0x05, 0x1A, 0x5F, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0xFF, 0x66, 0x25, 0x99, 0xCD,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0xFF, 0x66, 0x25, 0x99, 0xCD, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0x05, 0x1A, 0x5F, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0xFF, 0x66, 0x25, 0x99, 0xCD, 0xFF, 0xFF, 0xFF, 0xFF, 0x05, 0x1A, 0x5F, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0xFF, 0x66, 0x25, 0x99, 0xCD,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0x05, 0x1A, 0x5F, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0xFF, 0x66, 0x25, 0x99, 0xCD, 0x00, 0x71, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, };
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x71, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, memcpy(&Mempaks[Control][0], Initialize, 0x110);
};
for (int32_t count = 0x110; count < 0x8000; count += 2)
memcpy(&Mempaks[Control][0], Initialize, 0x110); {
Mempaks[Control][count] = 0x00;
for (int32_t count = 0x110; count < 0x8000; count += 2) Mempaks[Control][count + 1] = 0x03;
{ }
Mempaks[Control][count] = 0x00; }
Mempaks[Control][count + 1] = 0x03;
} uint8_t Mempak::CalculateCrc(uint8_t * DataToCrc)
} {
uint32_t Count;
hMempakFile[Control] = CreateFile(FileName, GENERIC_WRITE | GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS, NULL); uint32_t XorTap;
if (hMempakFile[Control] == INVALID_HANDLE_VALUE) int32_t Length;
{ uint8_t CRC = 0;
WriteTrace(TraceN64System, TraceError, "Failed to open (%s), lastError = %X", (LPCTSTR)FileName, GetLastError());
return; for (Count = 0; Count < 0x21; Count++)
} {
for (Length = 0x80; Length >= 1; Length >>= 1)
SetFilePointer(hMempakFile[Control], 0, NULL, FILE_BEGIN); {
if (bFormatMempak) XorTap = (CRC & 0x80) ? 0x85 : 0x00;
{ CRC <<= 1;
WriteFile(hMempakFile[Control], Mempaks[Control], 0x8000, &dwRead, NULL); if (Count == 0x20)
} {
else CRC &= 0xFF;
{ }
ReadFile(hMempakFile[Control], Mempaks[Control], 0x8000, &dwRead, NULL); else
} {
} if ((*DataToCrc & Length) != 0)
{
uint8_t Mempak::CalculateCrc(uint8_t * DataToCrc) CRC |= 1;
{ }
uint32_t Count; }
uint32_t XorTap; CRC ^= XorTap;
}
int32_t Length; DataToCrc++;
uint8_t CRC = 0; }
for (Count = 0; Count < 0x21; Count++) return CRC;
{ }
for (Length = 0x80; Length >= 1; Length >>= 1)
{ void Mempak::ReadFrom(int32_t Control, uint8_t * command)
XorTap = (CRC & 0x80) ? 0x85 : 0x00; {
CRC <<= 1; uint32_t address = (command[3] << 8) | (command[4] & 0xE0);
if (Count == 0x20)
{ if (address < 0x8000)
CRC &= 0xFF; {
} memcpy(&command[5], &Mempaks[Control][address], 0x20);
else }
{ else
if ((*DataToCrc & Length) != 0) {
{ memset(&command[5], 0x00, 0x20);
CRC |= 1; /* Rumble pack area */
} }
} }
CRC ^= XorTap;
} void Mempak::WriteTo(int32_t Control, uint8_t * command)
DataToCrc++; {
} uint32_t address = (command[3] << 8) | (command[4] & 0xE0);
return CRC; if (address < 0x8000)
} {
memcpy(&Mempaks[Control][address], &command[5], 0x20);
void Mempak::ReadFrom(int32_t Control, uint8_t * command)
{ FILE* mempak = fopen(MempakNames[Control], "wb");
uint32_t address = (command[3] << 8) | (command[4] & 0xE0); fwrite(Mempaks[Control], 1, 0x8000, mempak);
fclose(mempak);
if (address < 0x8000) }
{ else
if (hMempakFile[Control] == NULL) {
{ /* Rumble pack area */
LoadMempak(Control); }
}
memcpy(&command[5], &Mempaks[Control][address], 0x20);
}
else
{
memset(&command[5], 0x00, 0x20);
/* Rumble pack area */
}
}
void Mempak::WriteTo(int32_t Control, uint8_t * command)
{
DWORD dwWritten;
uint32_t address = (command[3] << 8) | (command[4] & 0xE0);
if (address < 0x8000)
{
if (hMempakFile[Control] == NULL)
{
LoadMempak(Control);
}
memcpy(&Mempaks[Control][address], &command[5], 0x20);
SetFilePointer(hMempakFile[Control], 0, NULL, FILE_BEGIN);
WriteFile(hMempakFile[Control], &Mempaks[Control][0], 0x8000, &dwWritten, NULL);
}
else
{
/* Rumble pack area */
}
} }

View File

@ -65,12 +65,12 @@ m_CheatsSlectionChanged(false)
m_Limiter.SetHertz(gameHertz); m_Limiter.SetHertz(gameHertz);
g_Settings->SaveDword(GameRunning_ScreenHertz, gameHertz); g_Settings->SaveDword(GameRunning_ScreenHertz, gameHertz);
m_Cheats.LoadCheats(!g_Settings->LoadDword(Setting_RememberCheats), Plugins); m_Cheats.LoadCheats(!g_Settings->LoadDword(Setting_RememberCheats), Plugins);
Mempak::Load();
} }
CN64System::~CN64System() CN64System::~CN64System()
{ {
SetActiveSystem(false); SetActiveSystem(false);
Mempak::Close();
if (m_SyncCPU) if (m_SyncCPU)
{ {
m_SyncCPU->CpuStopped(); m_SyncCPU->CpuStopped();
@ -552,7 +552,6 @@ void CN64System::Reset(bool bInitReg, bool ClearMenory)
RefreshGameSettings(); RefreshGameSettings();
m_Audio.Reset(); m_Audio.Reset();
m_MMU_VM.Reset(ClearMenory); m_MMU_VM.Reset(ClearMenory);
Mempak::Close();
m_CyclesToSkip = 0; m_CyclesToSkip = 0;
m_AlistCount = 0; m_AlistCount = 0;