ShuriZma
/
project64
mirror of https://github.com/project64/project64.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[Project64] Cleanup Mempak.cpp

This commit is contained in:
zilmar 2015-12-13 18:29:48 +11:00
parent d8a4b4810b
commit 21bce73cca
1 changed files with 123 additions and 123 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

242
Source/Project64-core/N64System/Mips/Mempak.cpp
View File

@ -18,156 +18,156 @@ HANDLE hMempakFile[4];
void Mempak::Close() void Mempak::Close()
{ {
for (int i = 0; i < 4; i++) for (int i = 0; i < 4; i++)
{ {
if (hMempakFile[i]) if (hMempakFile[i])
{ {
CloseHandle(hMempakFile[i]); CloseHandle(hMempakFile[i]);
hMempakFile[i] = NULL; hMempakFile[i] = NULL;
} }
} }
} }
void LoadMempak (int Control) void LoadMempak(int Control)
{ {
CPath FileName; CPath FileName;
DWORD dwRead; DWORD dwRead;
stdstr MempakName; stdstr MempakName;
bool bFormatMempak = false; bool bFormatMempak = false;
MempakName.Format("%s_Cont_%d", g_Settings->LoadStringVal(Game_GameName).c_str(), Control + 1); MempakName.Format("%s_Cont_%d", g_Settings->LoadStringVal(Game_GameName).c_str(), Control + 1);
FileName.SetDriveDirectory(g_Settings->LoadStringVal(Directory_NativeSave).c_str()); FileName.SetDriveDirectory(g_Settings->LoadStringVal(Directory_NativeSave).c_str());
FileName.SetName(MempakName.c_str()); FileName.SetName(MempakName.c_str());
FileName.SetExtension("mpk"); FileName.SetExtension("mpk");
if (!FileName.Exists()) if (!FileName.Exists())
{ {
bFormatMempak = true; bFormatMempak = true;
if (!FileName.DirectoryExists()) if (!FileName.DirectoryExists())
{ {
FileName.DirectoryCreate(); FileName.DirectoryCreate();
} }
uint8_t Initialize[] = { uint8_t Initialize[] = {
0x81,0x01,0x02,0x03, 0x04,0x05,0x06,0x07, 0x08,0x09,0x0a,0x0b, 0x0C,0x0D,0x0E,0x0F, 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, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
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, 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, 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,
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, 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, 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, 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, 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, 0x00, 0x71, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03, 0x00, 0x03,
}; };
memcpy(&Mempaks[Control][0], Initialize, 0x110); memcpy(&Mempaks[Control][0], Initialize, 0x110);
for (int count = 0x110; count < 0x8000; count += 2) for (int count = 0x110; count < 0x8000; count += 2)
{ {
Mempaks[Control][count] = 0x00; Mempaks[Control][count] = 0x00;
Mempaks[Control][count + 1] = 0x03; Mempaks[Control][count + 1] = 0x03;
} }
} }
hMempakFile[Control] = CreateFile(FileName, GENERIC_WRITE | GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS, NULL); hMempakFile[Control] = CreateFile(FileName, GENERIC_WRITE | GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS, NULL);
if (hMempakFile[Control] == INVALID_HANDLE_VALUE) if (hMempakFile[Control] == INVALID_HANDLE_VALUE)
{ {
WriteTraceF(TraceError,__FUNCTION__ ": Failed to open (%s), lastError = %X",(LPCTSTR)FileName, GetLastError()); WriteTraceF(TraceError, __FUNCTION__ ": Failed to open (%s), lastError = %X", (LPCTSTR)FileName, GetLastError());
return; return;
} }
SetFilePointer(hMempakFile[Control], 0, NULL, FILE_BEGIN); SetFilePointer(hMempakFile[Control], 0, NULL, FILE_BEGIN);
if (bFormatMempak) if (bFormatMempak)
{ {
WriteFile(hMempakFile[Control], Mempaks[Control], 0x8000, &dwRead, NULL); WriteFile(hMempakFile[Control], Mempaks[Control], 0x8000, &dwRead, NULL);
} }
else else
{ {
ReadFile(hMempakFile[Control], Mempaks[Control], 0x8000, &dwRead, NULL); ReadFile(hMempakFile[Control], Mempaks[Control], 0x8000, &dwRead, NULL);
} }
} }
uint8_t Mempak::CalculateCrc(uint8_t * DataToCrc) uint8_t Mempak::CalculateCrc(uint8_t * DataToCrc)
{ {
DWORD Count; DWORD Count;
DWORD XorTap; DWORD XorTap;
int Length; int Length;
uint8_t CRC = 0; uint8_t CRC = 0;
for (Count = 0; Count < 0x21; Count++) for (Count = 0; Count < 0x21; Count++)
{ {
for (Length = 0x80; Length >= 1; Length >>= 1) for (Length = 0x80; Length >= 1; Length >>= 1)
{ {
XorTap = (CRC & 0x80) ? 0x85 : 0x00; XorTap = (CRC & 0x80) ? 0x85 : 0x00;
CRC <<= 1; CRC <<= 1;
if (Count == 0x20) if (Count == 0x20)
{ {
CRC &= 0xFF; CRC &= 0xFF;
} }
else else
{ {
if ((*DataToCrc & Length) != 0) if ((*DataToCrc & Length) != 0)
{ {
CRC |= 1; CRC |= 1;
} }
} }
CRC ^= XorTap; CRC ^= XorTap;
} }
DataToCrc++; DataToCrc++;
} }
return CRC; return CRC;
} }
void Mempak::ReadFrom(int Control, uint8_t * command) void Mempak::ReadFrom(int Control, uint8_t * command)
{ {
DWORD address = (command[3] << 8) | (command[4] & 0xE0); DWORD address = (command[3] << 8) | (command[4] & 0xE0);
if (address < 0x8000) if (address < 0x8000)
{ {
if (hMempakFile[Control] == NULL) if (hMempakFile[Control] == NULL)
{ {
LoadMempak(Control); LoadMempak(Control);
} }
memcpy(&command[5], &Mempaks[Control][address], 0x20); memcpy(&command[5], &Mempaks[Control][address], 0x20);
} }
else else
{ {
memset(&command[5], 0x00, 0x20); memset(&command[5], 0x00, 0x20);
/* Rumble pack area */ /* Rumble pack area */
} }
} }
void Mempak::WriteTo(int Control, uint8_t * command) void Mempak::WriteTo(int Control, uint8_t * command)
{ {
DWORD dwWritten; DWORD dwWritten;
uint32_t address = (command[3] << 8) | (command[4] & 0xE0); uint32_t address = (command[3] << 8) | (command[4] & 0xE0);
if (address < 0x8000) if (address < 0x8000)
{ {
if (hMempakFile[Control] == NULL) if (hMempakFile[Control] == NULL)
{ {
LoadMempak(Control); LoadMempak(Control);
} }
memcpy(&Mempaks[Control][address], &command[5], 0x20); memcpy(&Mempaks[Control][address], &command[5], 0x20);
SetFilePointer(hMempakFile[Control], 0,NULL,FILE_BEGIN); SetFilePointer(hMempakFile[Control], 0, NULL, FILE_BEGIN);
WriteFile(hMempakFile[Control], &Mempaks[Control][0], 0x8000, &dwWritten, NULL); WriteFile(hMempakFile[Control], &Mempaks[Control][0], 0x8000, &dwWritten, NULL);
} }
else else
{ {
/* Rumble pack area */ /* Rumble pack area */
} }
} }