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project64/Source/nragev20/PakIO.cpp

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/*
N-Rage`s Dinput8 Plugin
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(C) 2002, 2006 Norbert Wladyka
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Author`s Email: norbert.wladyka@chello.at
Website: http://go.to/nrage
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This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
[Nrage-input] Code cleanup - Defined NOMINMAX macro to disable windef.h's min/max macros; they were clashing with the C++ standard library's std::min/std::max. - All uses of min/max that had ambiguous type deduction were explicitly instantiated as min<long> and max<long>. - Header includes were sorted Many thanks to DKO for the patch.
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#include <algorithm>
#include <stdio.h>
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#include <windows.h>
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#include <commctrl.h>
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#include <tchar.h>
[Nrage-input] Code cleanup - Defined NOMINMAX macro to disable windef.h's min/max macros; they were clashing with the C++ standard library's std::min/std::max. - All uses of min/max that had ambiguous type deduction were explicitly instantiated as min<long> and max<long>. - Header includes were sorted Many thanks to DKO for the patch.
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#include "commonIncludes.h"
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#include "DirectInput.h"
#include "FileAccess.h"
#include "GBCart.h"
[Nrage-input] Code cleanup - Defined NOMINMAX macro to disable windef.h's min/max macros; they were clashing with the C++ standard library's std::min/std::max. - All uses of min/max that had ambiguous type deduction were explicitly instantiated as min<long> and max<long>. - Header includes were sorted Many thanks to DKO for the patch.
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#include "Interface.h"
#include "NRagePluginV2.h"
#include "PakIO.h"
using std::min;
using std::max;
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// ProtoTypes
BYTE AddressCRC( const unsigned char * Address );
BYTE DataCRC( const unsigned char * Data, const int iLength );
VOID CALLBACK WritebackProc( HWND hWnd, UINT msg, UINT_PTR idEvent, DWORD dwTime );
bool InitControllerPak( const int iControl )
// Prepares the Pak
{
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if( !g_pcControllers[iControl].fPlugged )
return false;
bool bReturn = false;
if( g_pcControllers[iControl].pPakData )
{
SaveControllerPak( iControl );
CloseControllerPak( iControl );
}
switch( g_pcControllers[iControl].PakType )
{
case PAK_MEM:
{
g_pcControllers[iControl].pPakData = P_malloc( sizeof(MEMPAK));
MEMPAK *mPak = (MEMPAK*)g_pcControllers[iControl].pPakData;
mPak->bPakType = PAK_MEM;
mPak->fReadonly = false;
mPak->fDexSave = false;
mPak->hMemPakHandle = NULL;
DWORD dwFilesize = PAK_MEM_SIZE; // expected file size
TCHAR szBuffer[MAX_PATH+1],
szFullPath[MAX_PATH+1],
*pcFile;
GetAbsoluteFileName( szBuffer, g_pcControllers[iControl].szMempakFile, DIRECTORY_MEMPAK );
GetFullPathName( szBuffer, sizeof(szFullPath) / sizeof(TCHAR), szFullPath, &pcFile );
bool isNewfile = !CheckFileExists( szBuffer );
if( pcFile == NULL )
{ // no Filename specified
WarningMessage( IDS_ERR_MEM_NOSPEC, MB_OK | MB_ICONWARNING );
g_pcControllers[iControl].PakType = PAK_NONE;
break; // memory is freed at the end of this function
}
TCHAR *pcPoint = _tcsrchr( pcFile, '.' );
if( !lstrcmpi( pcPoint, _T(".n64") ) )
{
mPak->fDexSave = true;
dwFilesize += PAK_MEM_DEXOFFSET;
}
else
{
mPak->fDexSave = false;
}
HANDLE hFileHandle = CreateFile( szFullPath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_ALWAYS, 0, NULL );
if( hFileHandle == INVALID_HANDLE_VALUE )
{// test if Read-only access is possible
hFileHandle = CreateFile( szFullPath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_ALWAYS, 0, NULL );
if( hFileHandle != INVALID_HANDLE_VALUE )
{
TCHAR tszTitle[DEFAULT_BUFFER], tszText[DEFAULT_BUFFER];
LoadString( g_hResourceDLL, IDS_DLG_MEM_READONLY, tszText, DEFAULT_BUFFER );
LoadString( g_hResourceDLL, IDS_DLG_WARN_TITLE, tszTitle, DEFAULT_BUFFER );
wsprintf( szBuffer, tszText, pcFile );
MessageBox( g_strEmuInfo.hMainWindow, szBuffer, tszTitle, MB_OK | MB_ICONWARNING );
mPak->fReadonly = true;
DebugWriteA("Ramfile opened in READ ONLY mode.\n");
}
else
{
TCHAR tszTitle[DEFAULT_BUFFER], tszText[DEFAULT_BUFFER];
LoadString( g_hResourceDLL, IDS_ERR_MEMOPEN, tszText, DEFAULT_BUFFER );
LoadString( g_hResourceDLL, IDS_DLG_WARN_TITLE, tszTitle, DEFAULT_BUFFER );
wsprintf( szBuffer, tszText, pcFile );
MessageBox( g_strEmuInfo.hMainWindow, szBuffer, tszTitle, MB_OK | MB_ICONWARNING );
g_pcControllers[iControl].PakType = PAK_NONE; // set so that CloseControllerPak doesn't try to close a file that isn't open
DebugWrite(_T("Unable to read or create MemPak file %s.\n"), pcFile);
break; // memory is freed at the end of this function
}
}
DWORD dwCurrentSize = GetFileSize( hFileHandle, NULL );
if ( mPak->fReadonly )
{
DWORD dwBytesRead = 0;
if( mPak->fDexSave )
{
SetFilePointer( hFileHandle, PAK_MEM_DEXOFFSET, NULL, FILE_BEGIN );
}
else
{
SetFilePointer( hFileHandle, 0L, NULL, FILE_BEGIN );
}
dwFilesize = min( dwFilesize, GetFileSize( hFileHandle, NULL ));
if( !isNewfile )
{
mPak->aMemPakData = (LPBYTE)P_malloc( sizeof(BYTE) * PAK_MEM_SIZE );
if( ReadFile( hFileHandle, mPak->aMemPakData, PAK_MEM_SIZE, &dwBytesRead, NULL ))
{
if( dwBytesRead < dwFilesize )
FillMemory( (LPBYTE)mPak->aMemPakData + dwBytesRead, PAK_MEM_SIZE - dwBytesRead, 0xFF );
bReturn = true;
}
else
P_free( mPak->aMemPakData );
}
else
{
FormatMemPak( mPak->aMemPakData );
bReturn = true;
}
CloseHandle( hFileHandle );
}
else
{
// use mapped file
mPak->hMemPakHandle = CreateFileMapping( hFileHandle, NULL, mPak->fReadonly ? PAGE_READONLY : PAGE_READWRITE, 0, dwFilesize, NULL);
// test for invalid handle
if (mPak->hMemPakHandle == NULL)
{
// note: please don't move the CloseHandle call before GetLastError
DebugWriteA("Couldn't CreateFileMapping for MemPak file : %08x\n", GetLastError());
CloseHandle(hFileHandle);
break; // memory is freed at the end of the function
}
CloseHandle(hFileHandle); // we can close the file handle now with no problems
mPak->aMemPakData = (LPBYTE)MapViewOfFile( mPak->hMemPakHandle, FILE_MAP_ALL_ACCESS, 0, 0, mPak->fDexSave ? PAK_MEM_SIZE + PAK_MEM_DEXOFFSET : PAK_MEM_SIZE );
// this is a bit tricky:
// if it's a dexsave, move the pakdata pointer forward so it points to where the actual mempak data starts
// we need to make sure to move it back when we UnmapViewOfFile
if (mPak->aMemPakData == NULL)
ErrorMessage(IDS_ERR_MAPVIEW, GetLastError(), false);
if ( mPak->fDexSave )
mPak->aMemPakData += PAK_MEM_DEXOFFSET;
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if( dwCurrentSize < dwFilesize )
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FillMemory( (LPBYTE)mPak->aMemPakData + (mPak->fDexSave ? dwCurrentSize - PAK_MEM_DEXOFFSET : dwCurrentSize), dwFilesize - dwCurrentSize, 0xFF );
if( isNewfile )
{
if (mPak->fDexSave )
{
PVOID pHeader = MapViewOfFile( mPak->hMemPakHandle, FILE_MAP_ALL_ACCESS, 0, 0, PAK_MEM_DEXOFFSET );
const char szHeader[] = "123-456-STD"; // "OMG-WTF-BBQ"? --rabid
ZeroMemory( pHeader, PAK_MEM_DEXOFFSET );
CopyMemory( pHeader, szHeader, sizeof(szHeader) );
FlushViewOfFile( pHeader, PAK_MEM_DEXOFFSET );
UnmapViewOfFile( pHeader );
}
FormatMemPak( mPak->aMemPakData );
}
bReturn = true;
}
}
break;
case PAK_RUMBLE:
{
g_pcControllers[iControl].pPakData = P_malloc( sizeof(RUMBLEPAK));
RUMBLEPAK *rPak = (RUMBLEPAK*)g_pcControllers[iControl].pPakData;
rPak->bPakType = PAK_RUMBLE;
rPak->fLastData = true; // statistically, if uninitted it would return true --rabid
// rPak->bRumbleTyp = g_pcControllers[iControl].bRumbleTyp;
// rPak->bRumbleStrength = g_pcControllers[iControl].bRumbleStrength;
// rPak->fVisualRumble = g_pcControllers[iControl].fVisualRumble;
if( !g_pcControllers[iControl].fXInput ) //used to make sure only xinput cotroller rumbles --tecnicors
CreateEffectHandle( iControl, g_pcControllers[iControl].bRumbleTyp, g_pcControllers[iControl].bRumbleStrength );
bReturn = true;
}
break;
case PAK_TRANSFER:
{
g_pcControllers[iControl].pPakData = P_malloc( sizeof(TRANSFERPAK));
LPTRANSFERPAK tPak = (LPTRANSFERPAK)g_pcControllers[iControl].pPakData;
tPak->bPakType = PAK_TRANSFER;
tPak->gbCart.hRomFile = NULL;
tPak->gbCart.hRamFile = NULL;
tPak->gbCart.RomData = NULL;
tPak->gbCart.RamData = NULL;
/*
* Once the Interface is implemented g_pcControllers[iControl].szTransferRom will hold filename of the GB-Rom
* and g_pcControllers[iControl].szTransferSave holds Filename of the SRAM Save
*
* Here, both files should be opened and the handles stored in tPak ( modify the struct for Your own purposes, only bPakType must stay at first )
*/
//CreateFile( g_pcControllers[iControl].szTransferSave, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_ALWAYS, 0, NULL );
tPak->iCurrentAccessMode = 0;
tPak->iCurrentBankNo = 0;
tPak->iEnableState = false;
tPak->iAccessModeChanged = 0x44;
tPak->bPakInserted = LoadCart( &tPak->gbCart, g_pcControllers[iControl].szTransferRom, g_pcControllers[iControl].szTransferSave, _T("") );
if (tPak->bPakInserted)
{
DebugWriteA( "*** Init Transfer Pak - Success***\n" );
}
else
{
DebugWriteA( "*** Init Transfer Pak - FAILURE***\n" );
}
bReturn = true;
}
break;
/*case PAK_VOICE:
{
g_pcControllers[iControl].pPakData = P_malloc( sizeof(VOICEPAK));
VOICEPAK *vPak = (VOICEPAK*)g_pcControllers[iControl].pPakData;
vPak->bPakType = PAK_VOICE;
bReturn = true;
}
break;*/
case PAK_ADAPTOID:
if( !g_pcControllers[iControl].fIsAdaptoid )
g_pcControllers[iControl].PakType = PAK_NONE;
else
{
g_pcControllers[iControl].pPakData = P_malloc( sizeof(ADAPTOIDPAK));
ADAPTOIDPAK *aPak = (ADAPTOIDPAK*)g_pcControllers[iControl].pPakData;
aPak->bPakType = PAK_ADAPTOID;
aPak->bIdentifier = 0x80;
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#ifdef ADAPTOIDPAK_RUMBLEFIX
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aPak->fRumblePak = true;
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#pragma message( "Driver-fix for Rumble with Adaptoid enabled" )
#else
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aPak->fRumblePak = false;
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#endif
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bReturn = true;
}
break;
/*case PAK_NONE:
break;*/
}
// if there were any unrecoverable errors and we have allocated pPakData, free it and set paktype to NONE
if( !bReturn && g_pcControllers[iControl].pPakData )
CloseControllerPak( iControl );
return bReturn;
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}
BYTE ReadControllerPak( const int iControl, LPBYTE Command )
{
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BYTE bReturn = RD_ERROR;
LPBYTE Data = &Command[2];
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#ifdef MAKEADRESSCRCCHECK
#pragma message( "Addresscheck for Pak-Reads active" )
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if( AddressCRC( Command ) != (Command[1] & 0x1F) )
{
g_pcControllers[iControl].fPakCRCError = true;
if( WarningMessage( IDS_DLG_MEM_BADADDRESSCRC, MB_OKCANCEL | MB_ICONQUESTION ) == IDCANCEL )
return RD_ERROR;
}
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#endif
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if( !g_pcControllers[iControl].pPakData )
return RD_ERROR;
WORD dwAddress = (Command[0] << 8) + (Command[1] & 0xE0);
switch( *(BYTE*)g_pcControllers[iControl].pPakData )
{
case PAK_MEM:
{
MEMPAK *mPak = (MEMPAK*)g_pcControllers[iControl].pPakData;
if( dwAddress < 0x8000 )
CopyMemory( Data, &mPak->aMemPakData[dwAddress], 32 );
else
CopyMemory( Data, &mPak->aMemPakTemp[(dwAddress%0x100)], 32 );
Data[32] = DataCRC( Data, 32 );
bReturn = RD_OK;
}
break;
case PAK_RUMBLE:
if(( dwAddress >= 0x8000 ) && ( dwAddress < 0x9000 ) )
{
RUMBLEPAK *rPak = (RUMBLEPAK*)g_pcControllers[iControl].pPakData;
if (rPak->fLastData)
FillMemory( Data, 32, 0x80 );
else
ZeroMemory( Data, 32 );
if( g_pcControllers[iControl].fXInput ) // xinput controller rumble --tecnicors
VibrateXInputController( g_pcControllers[iControl].xiController.nControl, 0, 0);
else if (g_apFFDevice[iControl])
g_apFFDevice[iControl]->Acquire();
}
else
ZeroMemory( Data, 32 );
Data[32] = DataCRC( Data, 32 );
bReturn = RD_OK;
break;
case PAK_TRANSFER:
{
LPTRANSFERPAK tPak = (LPTRANSFERPAK)g_pcControllers[iControl].pPakData; // TODO: null pointer check on tPak
// set bReturn = RD_OK when implementing Transferpak
bReturn = RD_OK;
DebugWriteA( "TPak Read:\n" );
DebugWriteA( " Address: %04X\n", dwAddress );
switch (dwAddress >> 12)
{
case 0x8: // if ((dwAddress >= 0x8000) && (dwAddress <= 0x8FFF))
DebugWriteA( "Query Enable State: %u\n", tPak->iEnableState );
if (tPak->iEnableState == false)
ZeroMemory(Data, 32);
else
FillMemory(Data, 32, 0x84);
break;
case 0xB: // if ((dwAddress >= 0xB000) && (dwAddress <= 0xBFFF))
if (tPak->iEnableState == true)
{
DebugWriteA( "Query Cart. State:" );
if (tPak->bPakInserted)
{
if (tPak->iCurrentAccessMode == 1)
{
FillMemory(Data, 32, 0x89);
DebugWriteA( " Inserted, Access Mode 1\n" );
}
else
{
FillMemory(Data, 32, 0x80);
DebugWriteA( " Inserted, Access Mode 0\n" );
}
Data[0] = Data[0] | tPak->iAccessModeChanged;
}
else
{
FillMemory(Data, 32, 0x40); // Cart not inserted.
DebugWriteA( " Not Inserted\n" );
}
tPak->iAccessModeChanged = 0;
}
break;
case 0xC:
case 0xD:
case 0xE:
case 0xF: // if ((dwAddress >= 0xC000))
if (tPak->iEnableState == true)
{
DebugWriteA( "Cart Read: Bank:%i\n", tPak->iCurrentBankNo );
DebugWriteA( " Address:%04X\n", ((dwAddress & 0xFFE0) - 0xC000) + ((tPak->iCurrentBankNo & 3) * 0x4000) );
tPak->gbCart.ptrfnReadCart(&tPak->gbCart, ((dwAddress & 0xFFE0) - 0xC000) + ((tPak->iCurrentBankNo & 3) * 0x4000), Data);
}
break;
default:
DebugWriteA("WARNING: Unusual Pak Read\n" );
DebugWriteA(" Address: %04X\n", dwAddress);
} // end switch (dwAddress >> 12)
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#ifdef ENABLE_RAWPAK_DEBUG
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DebugWriteA( "TPak Data: " );
for (int i = 0; i < 32; i ++)
{
if ((i < 31) && ((i & 7) == 0)) DebugWriteA( "\n " );
DebugWriteByteA(Data[i]);
if (i < 31)
{
DebugWriteA( ", ");
}
}
DebugWriteA( "\n" );
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#endif
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Data[32] = DataCRC( Data, 32 );
bReturn = RD_OK;
}
break;
/*case PAK_VOICE:
break;*/
case PAK_ADAPTOID:
if( ReadAdaptoidPak( iControl, dwAddress, Data ) == DI_OK )
{
Data[32] = DataCRC( Data, 32 );
bReturn = RD_OK;
if( ((ADAPTOIDPAK*)g_pcControllers[iControl].pPakData)->fRumblePak )
{
BYTE bId = ((ADAPTOIDPAK*)g_pcControllers[iControl].pPakData)->bIdentifier;
if( (( dwAddress == 0x8000 ) && ( bId == 0x80 ) && ( Data[0] != 0x80 ))
|| (( dwAddress == 0x8000 ) && ( bId != 0x80 ) && ( Data[0] != 0x00 ))
|| (( dwAddress < 0x8000 ) && ( Data[0] != 0x00 )))
{
((ADAPTOIDPAK*)g_pcControllers[iControl].pPakData)->fRumblePak = false;
DebugWriteA( "\nAssuming the inserted Pak AINT a RumblePak\nDisabling Rumblefix\n" );
}
}
}
break;
/*case PAK_NONE:
break;*/
}
return bReturn;
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}
// Called when the N64 tries to write to the controller pak, e.g. a mempak
BYTE WriteControllerPak( const int iControl, LPBYTE Command )
{
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BYTE bReturn = RD_ERROR;
BYTE *Data = &Command[2];
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#ifdef MAKEADRESSCRCCHECK
#pragma message( "Addresscheck for Pak-Writes active" )
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if( AddressCRC( Command ) != (Command[1] & 0x1F) )
{
g_pcControllers[iControl].fPakCRCError = true;
if( WarningMessage( IDS_DLG_MEM_BADADDRESSCRC, MB_OKCANCEL | MB_ICONQUESTION ) == IDCANCEL )
return RD_ERROR;
}
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#endif
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if( !g_pcControllers[iControl].pPakData )
return RD_ERROR;
WORD dwAddress = (Command[0] << 8) + (Command[1] & 0xE0);
switch( *(BYTE*)g_pcControllers[iControl].pPakData )
{
case PAK_MEM:
{
// Switched to memory-mapped file
// That way, if the computer dies due to power loss or something mid-play, the savegame is still there.
MEMPAK *mPak = (MEMPAK*)g_pcControllers[iControl].pPakData;
if( dwAddress < 0x8000 )
{
CopyMemory( &mPak->aMemPakData[dwAddress], Data, 32 );
if (!mPak->fReadonly )
SetTimer( g_strEmuInfo.hMainWindow, PAK_MEM, 2000, (TIMERPROC) WritebackProc ); // if we go 2 seconds without a write, call the Writeback proc (which will flush the cache)
}
else
CopyMemory( &mPak->aMemPakTemp[(dwAddress%0x100)], Data, 32 );
Data[32] = DataCRC( Data, 32 );
bReturn = RD_OK;
}
break;
case PAK_RUMBLE:
if( dwAddress == PAK_IO_RUMBLE )
{
if( g_pcControllers[iControl].fXInput ) // xinput controller rumble --tecnicors
{
if( *Data )
VibrateXInputController( g_pcControllers[iControl].xiController.nControl );
else
VibrateXInputController( g_pcControllers[iControl].xiController.nControl, 0, 0 );
goto end_rumble;
}
if( g_pcControllers[iControl].fVisualRumble )
FlashWindow( g_strEmuInfo.hMainWindow, ( *Data != 0 ) ? TRUE : FALSE );
if( g_pcControllers[iControl].bRumbleTyp == RUMBLE_DIRECT )
{ // Adaptoid Direct Rumble
if( g_pcControllers[iControl].fIsAdaptoid )
DirectRumbleCommand( iControl, *Data );
}
else
{ // FF-FeedBack Rumble
if( g_apdiEffect[iControl] )
{
g_apFFDevice[iControl]->Acquire();
if( *Data )
{
// g_apdiEffect[iControl]->Start( 1, DIES_SOLO );
HRESULT hr;
hr = g_apdiEffect[iControl]->Start( 1, DIES_NODOWNLOAD );
if( hr != DI_OK )// just download if needed( seems to work smoother)
{
hr = g_apdiEffect[iControl]->Start( 1, 0 );
if (hr != DI_OK)
{
DebugWriteA("Rumble: Can't rumble %d: %lX\n", iControl, hr);
}
else
DebugWriteA("Rumble: DIES_NODOWNLOAD failed, regular OK on control %d\n", iControl);
}
else
DebugWriteA("Rumble: DIES_NODOWNLOAD OK on control %d\n", iControl);
}
else
{
g_apdiEffect[iControl]->Stop();
}
}
}
}
else if (dwAddress >= 0x8000 && dwAddress < 0x9000)
{
RUMBLEPAK *rPak = (RUMBLEPAK*)g_pcControllers[iControl].pPakData;
rPak->fLastData = (*Data) ? true : false;
}
end_rumble: // added so after xinput controller rumbles, gets here --tecnicors
Data[32] = DataCRC( Data, 32 );
bReturn = RD_OK;
break;
case PAK_TRANSFER:
{
LPTRANSFERPAK tPak = (LPTRANSFERPAK)g_pcControllers[iControl].pPakData;
// set bReturn = RD_OK when implementing Transferpak
DebugWriteA( "TPak Write:\n" );
DebugWriteA( " Address: %04X\n", dwAddress );
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#ifdef ENABLE_RAWPAK_DEBUG
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DebugWriteA( " Data: ");
for (int i = 0; i < 32; i++)
{
if ((i < 31) && ((i & 7) == 0))
{
DebugWriteA( "\n " );
}
DebugWriteByteA( Data[i]);
if (i < 31)
{
DebugWriteA( ", " );
}
}
DebugWriteA( "\n" );
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#endif // #ifdef ENABLE_RAWPAK_DEBUG
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switch (dwAddress >> 12)
{
case 0x8: // if ((dwAddress >= 0x8000) && (dwAddress <= 0x8FFF))
if (Data[0] == 0xFE)
{
DebugWriteA("Cart Disable\n" );
tPak->iEnableState = false;
}
else if (Data[0] == 0x84)
{
DebugWriteA("Cart Enable\n" );
tPak->iEnableState = true;
}
else
{
DebugWriteA("WARNING: Unusual Cart Enable/Disable\n" );
DebugWriteA(" Address: " );
DebugWriteWordA(dwAddress);
DebugWriteA("\n" );
DebugWriteA(" Data: " );
DebugWriteByteA(Data[0]);
DebugWriteA("\n" );
}
break;
case 0xA: // if ((dwAddress >= 0xA000) && (dwAddress <= 0xAFFF))
if (tPak->iEnableState == true)
{
tPak->iCurrentBankNo = Data[0];
DebugWriteA("Set TPak Bank No:%02X\n", Data[0] );
}
break;
case 0xB: // if ((dwAddress >= 0xB000) && (dwAddress <= 0xBFFF))
if (tPak->iEnableState == true)
{
tPak->iCurrentAccessMode = Data[0] & 1;
tPak->iAccessModeChanged = 4;
DebugWriteA("Set TPak Access Mode: %04X\n", tPak->iCurrentAccessMode);
if ((Data[0] != 1) && (Data[0] != 0))
{
DebugWriteA("WARNING: Unusual Access Mode Change\n" );
DebugWriteA(" Address: " );
DebugWriteWordA(dwAddress);
DebugWriteA("\n" );
DebugWriteA(" Data: " );
DebugWriteByteA(Data[0]);
DebugWriteA("\n" );
}
}
break;
case 0xC:
case 0xD:
case 0xE:
case 0xF: // if (dwAddress >= 0xC000)
tPak->gbCart.ptrfnWriteCart(&tPak->gbCart, ((dwAddress & 0xFFE0) - 0xC000) + ((tPak->iCurrentBankNo & 3) * 0x4000), Data);
if (tPak->gbCart.hRamFile != NULL )
SetTimer( g_strEmuInfo.hMainWindow, PAK_TRANSFER, 2000, (TIMERPROC) WritebackProc ); // if we go 2 seconds without a write, call the Writeback proc (which will flush the cache)
break;
default:
DebugWriteA("WARNING: Unusual Pak Write\n" );
DebugWriteA(" Address: %04X\n", dwAddress);
} // end switch (dwAddress >> 12)
Data[32] = DataCRC( Data, 32 );
bReturn = RD_OK;
}
break;
/*case PAK_VOICE:
break;*/
case PAK_ADAPTOID:
if(( dwAddress == PAK_IO_RUMBLE ) && ((ADAPTOIDPAK*)g_pcControllers[iControl].pPakData)->fRumblePak )
{
if( DirectRumbleCommand( iControl, *Data ) == DI_OK )
{
Data[32] = DataCRC( Data, 32 );
bReturn = RD_OK;
}
}
else
{
if( WriteAdaptoidPak( iControl, dwAddress, Data ) == DI_OK )
{
Data[32] = DataCRC( Data, 32 );
if( dwAddress == 0x8000 )
((ADAPTOIDPAK*)g_pcControllers[iControl].pPakData)->bIdentifier = Data[0];
bReturn = RD_OK;
}
}
break;
/*case PAK_NONE:
break;*/
}
return bReturn;
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}
void SaveControllerPak( const int iControl )
{
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if( !g_pcControllers[iControl].pPakData )
return;
switch( *(BYTE*)g_pcControllers[iControl].pPakData )
{
case PAK_MEM:
{
MEMPAK *mPak = (MEMPAK*)g_pcControllers[iControl].pPakData;
if( !mPak->fReadonly )
FlushViewOfFile( mPak->aMemPakData, PAK_MEM_SIZE ); // we've already written the stuff, just flush the cache
}
break;
case PAK_RUMBLE:
break;
case PAK_TRANSFER:
{
LPTRANSFERPAK tPak = (LPTRANSFERPAK)g_pcControllers[iControl].pPakData;
// here the changes( if any ) in the SRAM should be saved
if (tPak->gbCart.hRamFile != NULL)
{
SaveCart(&tPak->gbCart, g_pcControllers[iControl].szTransferSave, _T(""));
DebugWriteA( "*** Save Transfer Pak ***\n" );
}
}
break;
case PAK_VOICE:
break;
case PAK_ADAPTOID:
break;
/*case PAK_NONE:
break;*/
}
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}
// if there is pPakData for the controller, does any closing of handles before freeing the pPakData struct and setting it to NULL
// also sets fPakInitialized to false
void CloseControllerPak( const int iControl )
{
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if( !g_pcControllers[iControl].pPakData )
return;
g_pcControllers[iControl].fPakInitialized = false;
switch( *(BYTE*)g_pcControllers[iControl].pPakData )
{
case PAK_MEM:
{
MEMPAK *mPak = (MEMPAK*)g_pcControllers[iControl].pPakData;
if( mPak->fReadonly )
{
P_free( mPak->aMemPakData );
mPak->aMemPakData = NULL;
}
else
{
FlushViewOfFile( mPak->aMemPakData, PAK_MEM_SIZE );
// if it's a dexsave, our original mapped view is not aMemPakData
UnmapViewOfFile( mPak->fDexSave ? mPak->aMemPakData - PAK_MEM_DEXOFFSET : mPak->aMemPakData );
if ( mPak->hMemPakHandle != NULL )
CloseHandle( mPak->hMemPakHandle );
}
}
break;
case PAK_RUMBLE:
ReleaseEffect( g_apdiEffect[iControl] );
g_apdiEffect[iControl] = NULL;
break;
case PAK_TRANSFER:
{
LPTRANSFERPAK tPak = (LPTRANSFERPAK)g_pcControllers[iControl].pPakData;
UnloadCart(&tPak->gbCart);
DebugWriteA( "*** Close Transfer Pak ***\n" );
// close files and free any additionally ressources
}
break;
case PAK_VOICE:
break;
case PAK_ADAPTOID:
break;
/*case PAK_NONE:
break;*/
}
freePakData( &g_pcControllers[iControl] );
return;
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}
// returns the number of remaining blocks in a mempak
// aNoteSizes should be an array of 16 bytes, which will be overwritten with the size in blocks of each note
inline WORD CountBlocks( const unsigned char * bMemPakBinary, LPBYTE aNoteSizes )
{
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WORD wRemainingBlocks = 123;
BYTE bNextIndex;
int i = 0;
while( i < 16 && wRemainingBlocks <= 123 )
{
aNoteSizes[i] = 0;
bNextIndex = bMemPakBinary[0x307 + (i*0x20)];
while(( bNextIndex >= 5 ) && ( aNoteSizes[i] < wRemainingBlocks))
{
aNoteSizes[i]++;
bNextIndex = bMemPakBinary[0x101 + (bNextIndex*2)];
}
if( aNoteSizes[i] > wRemainingBlocks )
wRemainingBlocks = 0xFF;
else
wRemainingBlocks -= aNoteSizes[i];
i++;
}
return wRemainingBlocks;
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}
void FormatMemPak( LPBYTE aMemPak )
{
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size_t iRand, n;
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FillMemory(aMemPak, 0x100, 0xFF);
aMemPak[0] = 0x81;
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// generate a valid code( i hope i can calculate it one day)
BYTE aValidCodes[] = { 0x12, 0xC5, 0x8F, 0x6F, 0xA4, 0x28, 0x5B, 0xCA };
BYTE aCode[8];
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iRand = ((size_t)aMemPak / 4) + ((size_t)g_strEmuInfo.hMainWindow / 4);
iRand %= sizeof(aValidCodes) / 8;
for (n = 0; n < 8; n++)
aCode[n] = aValidCodes[n + iRand];
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//----------
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aMemPak[0x20+0] = aMemPak[0x60+0] = aMemPak[0x80+0] = aMemPak[0xC0+0] = 0xFF;
aMemPak[0x20+1] = aMemPak[0x60+1] = aMemPak[0x80+1] = aMemPak[0xC0+1] = 0xFF;
aMemPak[0x20+2] = aMemPak[0x60+2] = aMemPak[0x80+2] = aMemPak[0xC0+2] = 0xFF;
aMemPak[0x20+3] = aMemPak[0x60+3] = aMemPak[0x80+3] = aMemPak[0xC0+3] = 0xFF;
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aMemPak[0x20+4] = aMemPak[0x60+4] = aMemPak[0x80+4] = aMemPak[0xC0+4] = aCode[0];
aMemPak[0x20+5] = aMemPak[0x60+5] = aMemPak[0x80+5] = aMemPak[0xC0+5] = aCode[1];
aMemPak[0x20+6] = aMemPak[0x60+6] = aMemPak[0x80+6] = aMemPak[0xC0+6] = aCode[2];
aMemPak[0x20+7] = aMemPak[0x60+7] = aMemPak[0x80+7] = aMemPak[0xC0+7] = aCode[3];
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//aMemPak[0x30+9] = aMemPak[0x70+9] = aMemPak[0x90+9] = aMemPak[0xD0+9] = 0x01; // not sure
aMemPak[0x30+10] = aMemPak[0x70+10] = aMemPak[0x90+10] = aMemPak[0xD0+10] = 0x01;
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aMemPak[0x30+12] = aMemPak[0x70+12] = aMemPak[0x90+12] = aMemPak[0xD0+12] = aCode[4];
aMemPak[0x30+13] = aMemPak[0x70+13] = aMemPak[0x90+13] = aMemPak[0xD0+13] = aCode[5];
aMemPak[0x30+14] = aMemPak[0x70+14] = aMemPak[0x90+14] = aMemPak[0xD0+14] = aCode[6];
aMemPak[0x30+15] = aMemPak[0x70+15] = aMemPak[0x90+15] = aMemPak[0xD0+15] = aCode[7];
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// Index
ZeroMemory( &aMemPak[0x100], 0x400 );
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aMemPak[0x100+1] = aMemPak[0x200+1] = 0x71;
for( int i = 0x00b; i < 0x100; i += 2 )
aMemPak[0x100+i] = aMemPak[0x200+i] = 03;
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FillMemory( &aMemPak[0x500], 0x7B00, 0xFF );
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}
// Translates a mempak header into a real Unicode string, for display in the Mempaks window
// bNote is now where you want to START translating, Text is where the output gets sent, iChars is the number of TCHARs you want translated
// return value is the number of characters actually translated
// Text automatically gets a terminating null, so make sure there's enough space.
int TranslateNotesW( const unsigned char * bNote, LPWSTR Text, const int iChars )
{
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WCHAR aSpecial[] = { 0x0021, 0x0022, 0x0023, 0x0060, 0x002A, 0x002B, 0x002C, 0x002D, 0x002E, 0x002F, 0x003A, 0x003D, 0x003F, 0x0040, 0x2122, 0x00A9, 0x00AE };
// { '!' , '\"', '#' , '`' , '*' , '+' , ',' , '-' , '.' , '/' , ':' , '=' , '?' , '>' , 'tm', '(c)', '(r)' };
const WCHAR aJmap[] = { // map of Japanese characters N64 to UTF-16, starting at 0x45
0x00A1, 0x30A3, 0x30A5, 0x30A7, 0x30A9, 0x30E3, 0x30E5, 0x30E7, 0x30C3, 0x30F2, // small a-i-u-e-o, next are probably small ya-yu-yo, small tsu, wo
0x30F3, // 0x4F -> 'n'
0x30A2, 0x30A4, 0x30A6, 0x30A8, 0x30AA, 0x30AB, 0x30AD, 0x30AF, 0x30B1, 0x30B3, 0x30B5, 0x30B7, 0x30B9, 0x30BB, 0x30BD, // nil-K-S
0x30BF, 0x30C1, 0x30C4, 0x30C6, 0x30C8, 0x30CA, 0x30CB, 0x30CC, 0x30CD, 0x30CE, 0x30CF, 0x30D2, 0x30D5, 0x30D8, 0x30DB, // T-N-H
0x30DE, 0x30DF, 0x30E0, 0x30E1, 0x30E2, 0x30E4, 0x30E6, 0x30E8, 0x30E9, 0x30EA, 0x30EB, 0x30EC, 0x30ED, // M-Y-R
0x30EF, // 'wa'
0x30AC, 0x30AE, 0x30B0, 0x30B2, 0x30B4, 0x30B6, 0x30B8, 0x30BA, 0x30BC, 0x30BE, 0x30C0, 0x30C2, 0x30C5, 0x30C7, 0x30C9, // G-Z-D
0x30D0, 0x30D3, 0x30D6, 0x30D9, 0x30DC, 0x30D1, 0x30D4, 0x30D7, 0x30DA, 0x30DD // B-P
};
int iReturn = 0;
while (iChars - iReturn > 0 && *bNote)
{
BYTE b = *bNote;
if( b <= 0x0F ) // translate Icons as Spaces
*Text = 0x0020;
else if( b <= 0x19 ) // Numbers
*Text = 0x0020 + b;
else if( b <= 0x33 ) // English characters
*Text = 0x0047 + b;
else if( b <= 0x44 ) // special symbols
*Text = aSpecial[b - 0x34];
else if( b <= 0x94 ) // Japanese (halfwidth katakana, mapped similarly to JIS X 0201 but not enough that we can use a simple codepage)
{
aSpecial[7] = 0x30fc; // change regular dash to Japanese "long sound dash"
*Text = aJmap[b - 0x45];
}
else // unknown
*Text = 0x00A4; // unknown characters become "currency sign" (looks like a letter o superimposed on an x)
Text++;
iReturn++;
bNote++;
}
*Text = L'\0';
return iReturn;
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}
// TODO: rename this function! It serves a completely different function from TranslateNotesW
// Translates a mempak header into an ASCII string for output to .a64 file
// bNote is now where you want to START translating, Text is where the output gets sent, iChars is the number of chars you want translated
// return value is the number of characters actually translated
// Text automatically gets a terminating null, so make sure there's enough space.
int TranslateNotesA( const unsigned char * bNote, LPSTR Text, const int iChars )
{
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const UCHAR aSpecial[] ={ 0x21, 0x22, 0x23, 0x60, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x3A, 0x3D, 0x3F, 0x40, 0x99, 0xA9, 0xAE };
// { '!' , '\"', '#' , '`' , '*' , '+' , ',' , '-' , '.' , '/' , ':' , '=' , '?' , '>' , 'tm', '(c)','(r)' };
int iReturn = 0;
while (iChars - iReturn > 0 && *bNote)
{
BYTE b = *bNote;
if( b <= 0x0F ) // translate Icons as Spaces
*Text = 0x20;
else if( b <= 0x19 ) // Numbers
*Text = 0x20 + b;
else if( b <= 0x33 ) // English characters
*Text = 0x47 + b;
else if( b <= 0x44 ) // special symbols
*Text = aSpecial[b - 0x34];
else if( b <= 0x94 ) // Japan
*Text = 0xC0 + ( b % 40 );
else // unknown
*Text = (UCHAR)0xA4; // HACK: this will screw up any save with unknown characters
Text++;
iReturn++;
bNote++;
}
*Text = '\0';
return iReturn;
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}
int ReverseNotesA( LPCSTR Text, LPBYTE Note )
{
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const UCHAR aSpecial[] = { 0x21, 0x22, 0x23, 0x60, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x3A, 0x3D, 0x3F, 0x40, 0x74, 0xA9, 0xAE };
// { '!' , '\"', '#' , '`' , '*' , '+' , ',' , '-' , '.' , '/' , ':' , '=' , '?' , '>' , 'tm', '(r)','(c)' };
LPCSTR TextPos = Text;
while( *TextPos != '\0' )
{
char c = *TextPos;
*Note = 0x0F;
if( c >= '0' && c <= '9' )
*Note = c - '0' + 0x10;
else if( c >= 'A' && c <= 'Z' )
*Note = c - 'A' + 0x1A;
else if( c >= 'a' && c <= 'z' )
*Note = c - 'a' + 0x1A;
else
{
for( int i = 0; i < ARRAYSIZE(aSpecial); ++i )
{
if( c == aSpecial[i] )
{
*Note = i + 0x34;
break;
}
}
}
TextPos++;
Note++;
}
return TextPos - Text;
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}
WORD ShowMemPakContent( const unsigned char * bMemPakBinary, HWND hListWindow )
{
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BYTE bMemPakValid = MPAK_OK;
TCHAR szBuffer[40];
BYTE aNoteSizes[16];
bool bFirstChar;
LVITEM lvItem;
lvItem.mask = LVIF_TEXT | LVIF_PARAM;
lvItem.iItem = 0;
lvItem.iSubItem = 0;
lvItem.pszText = szBuffer;
int i = 0,
nNotes = 0,
iSum = 0,
iRemainingBlocks = 0;
for( i = 0x10A; i < 0x200; i++ )
iSum += bMemPakBinary[i];
if((( iSum % 256 ) == bMemPakBinary[0x101] ))
{
iRemainingBlocks = CountBlocks( bMemPakBinary, aNoteSizes );
if( iRemainingBlocks <= 123 )
{
for( lvItem.lParam = 0; lvItem.lParam < 16; lvItem.lParam++ )
{
if( bMemPakBinary[0x300 + (lvItem.lParam*32)] ||
bMemPakBinary[0x301 + (lvItem.lParam*32)] ||
bMemPakBinary[0x302 + (lvItem.lParam*32)] )
{
int iChars = TranslateNotes( &bMemPakBinary[0x300 + (lvItem.lParam*32) + 0x10], szBuffer, 16 );
if( TranslateNotes( &bMemPakBinary[0x300 + (lvItem.lParam*32) + 0x0C], &szBuffer[iChars + 1], 1 ) )
szBuffer[iChars] = _T('_');
bFirstChar = true;
for( i = 0; i < (int)lstrlen(szBuffer); i++ )
{
if( szBuffer[i] == ' ' )
bFirstChar = true;
else
{
if( bFirstChar && ( szBuffer[i] >= 'a') && ( szBuffer[i] <= 'z'))
{
bFirstChar = false;
szBuffer[i] -= 0x20;
}
}
}
i = ListView_InsertItem( hListWindow, &lvItem );
switch( bMemPakBinary[0x303 + (lvItem.lParam*32)] )
{
case 0x00:
LoadString( g_hResourceDLL, IDS_P_MEM_NOREGION, szBuffer, 40 );
break;
case 0x37:
LoadString( g_hResourceDLL, IDS_P_MEM_BETA, szBuffer, 40 );
break;
case 0x41:
LoadString( g_hResourceDLL, IDS_P_MEM_NTSC, szBuffer, 40 );
break;
case 0x44:
LoadString( g_hResourceDLL, IDS_P_MEM_GERMANY, szBuffer, 40 );
break;
case 0x45:
LoadString( g_hResourceDLL, IDS_P_MEM_USA, szBuffer, 40 );
break;
case 0x46:
LoadString( g_hResourceDLL, IDS_P_MEM_FRANCE, szBuffer, 40 );
break;
case 0x49:
LoadString( g_hResourceDLL, IDS_P_MEM_ITALY, szBuffer, 40 );
break;
case 0x4A:
LoadString( g_hResourceDLL, IDS_P_MEM_JAPAN, szBuffer, 40 );
break;
case 0x50:
LoadString( g_hResourceDLL, IDS_P_MEM_EUROPE, szBuffer, 40 );
break;
case 0x53:
LoadString( g_hResourceDLL, IDS_P_MEM_SPAIN, szBuffer, 40 );
break;
case 0x55:
LoadString( g_hResourceDLL, IDS_P_MEM_AUSTRALIA, szBuffer, 40 );
break;
case 0x58:
case 0x59:
LoadString( g_hResourceDLL, IDS_P_MEM_PAL, szBuffer, 40 );
break;
default:
{
TCHAR szTemp[40];
LoadString( g_hResourceDLL, IDS_P_MEM_UNKNOWNREGION, szTemp, 40 );
wsprintf( szBuffer, szTemp, bMemPakBinary[0x303 + (lvItem.lParam*32)] );
}
}
ListView_SetItemText( hListWindow, i, 1, szBuffer );
wsprintf( szBuffer, _T("%i"), aNoteSizes[lvItem.lParam] );
ListView_SetItemText( hListWindow, i, 2, szBuffer );
nNotes++;
}
}
}
else
bMemPakValid = MPAK_DAMAGED;
}
else
bMemPakValid = MPAK_DAMAGED;
return MAKEWORD( (BYTE)iRemainingBlocks, bMemPakValid );
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}
void HextoTextA( const unsigned char * Data, LPSTR szText, const int nBytes )
{
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const char acValues[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'A', 'B', 'C', 'D', 'E', 'F' };
for( int i = 0; i < nBytes; i++ )
{
BYTE byte = *Data;
szText[0] = acValues[(byte>>4) & 0x0F];
szText[1] = acValues[byte & 0x0F];
++Data;
szText+=2;
}
*szText = '\0';
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}
// used when reading in a Note file, to convert text to binary (unserialize)
void TexttoHexA( LPCSTR szText, LPBYTE Data, const int nBytes )
{
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bool fLowByte = false;
LPCSTR endText = szText + nBytes * 2;
for( ; szText < endText; ++szText )
{
BYTE bByte = 0;
if(( '0' <= *szText ) && ( *szText <= '9' ))
bByte = *szText - '0';
else
{
if(( 'A' <= *szText ) && ( *szText <= 'F' ))
bByte = szText[0] - 'A' + 10;
else if(( 'a' <= *szText ) && ( *szText <= 'f' ))
bByte = szText[0] - 'a' + 10;
}
if( !fLowByte )
*Data = bByte << 4;
else
{
*Data |= bByte;
++Data;
}
fLowByte = !fLowByte;
}
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}
bool SaveNoteFileA( const unsigned char * aMemPak, const int iNote, LPCTSTR pszFileName )
{
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BYTE aNoteSizes[16];
LPBYTE aNote;
bool bReturn = false;
if( CountBlocks( aMemPak, aNoteSizes ) > 123 )
return false;
aNote = (LPBYTE)P_malloc( aNoteSizes[iNote] * 0x100 + 32 );
if( !aNote )
return false;
CopyMemory( aNote, &aMemPak[0x300 + iNote * 32], 32 );
BYTE bNextIndex = aNote[0x7];
int iBlock = 0;
while( iBlock < aNoteSizes[iNote] )
{
CopyMemory( &aNote[32 + iBlock * 0x100], &aMemPak[bNextIndex * 0x100], 0x100);
bNextIndex = aMemPak[0x101 + (bNextIndex*2)];
iBlock++;
}
HANDLE hFile = CreateFile( pszFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL);
if ( hFile != INVALID_HANDLE_VALUE )
{
SetFilePointer( hFile, 0L, NULL, FILE_BEGIN );
char szLine[70];
DWORD dwBytesWritten = 0;
lstrcpyA( szLine, "a64-notes\r\ndescription of game save goes here...\r\na64-data\r\n" );
WriteFile( hFile, szLine, lstrlenA(szLine), &dwBytesWritten, NULL );
CopyMemory( szLine, aNote, 4 );
szLine[4] = ' ';
szLine[5] = aNote[4];
szLine[6] = aNote[5];
szLine[7] = ' ';
HextoTextA( &aNote[8], &szLine[8], 2 );
int pos = 12;
szLine[pos++] = ' ';
szLine[pos++] = aNote[0x0A] + '0';
szLine[pos++] = ' ';
szLine[pos++] = '{';
pos += TranslateNotesA( &aNote[0x0C], &szLine[pos], 1 );
szLine[pos++] = '}';
szLine[pos++] = ' ';
szLine[pos++] = '{';
pos += TranslateNotesA( &aNote[0x10], &szLine[pos], 16 );
lstrcatA( szLine, "}\r\n" );
WriteFile( hFile, szLine, lstrlenA(szLine), &dwBytesWritten, NULL );
for( int i = 32; i < aNoteSizes[iNote] * 0x100 + 32; i += 32 )
{
HextoTextA( &aNote[i], szLine, 32 );
WriteFile( hFile, szLine, lstrlenA(szLine), &dwBytesWritten, NULL );
WriteFile( hFile, "\r\n", 2, &dwBytesWritten, NULL );
}
WriteFile( hFile, "a64-crc\r\n", 9, &dwBytesWritten, NULL );
// TODO: insert crc here
lstrcpynA( szLine, "00000000\r\n", 70 );
WriteFile( hFile, szLine, lstrlenA(szLine), &dwBytesWritten, NULL );
//
WriteFile( hFile, "a64-end\r\n", 9, &dwBytesWritten, NULL );
SetEndOfFile( hFile );
bReturn = true;
CloseHandle( hFile );
}
else
ErrorMessage( IDS_ERR_NOTEREAD, GetLastError(), false );
P_free( aNote );
return bReturn;
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}
// read a Note from a file pszFileName (.a64 format), and insert it into the given MemPak
// returns true on success, false otherwise
bool InsertNoteFile( LPBYTE aMemPak, LPCTSTR pszFileName )
{
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// bool bReturn = false;
FILE* nFile = NULL;
if( (nFile = _tfopen(pszFileName, _T("r") ) ) != NULL )
{
char szLine[128];
fpos_t pDataStart;
while( fgets(szLine, sizeof(szLine) - 1, nFile) )
{
if( !strncmp( "a64-data", szLine, 8 ))
{
fgetpos(nFile, &pDataStart);
break;
}
}
// assumes the file keeps going...
// discard the next line
fgets(szLine, sizeof(szLine) - 1, nFile); // not really necessary to check for EOF, as it will fail gracefully when dwNoteSize is zero.
DWORD dwNoteSize = 0;
while( fgets(szLine, sizeof(szLine) - 1, nFile) && strncmp( "a64-crc", szLine, 7 ))
{
dwNoteSize++;
}
dwNoteSize /= 8;
BYTE aNoteSizes[16];
WORD wRemainingBlocks;
int i,
ifreeNote = -1;
wRemainingBlocks = CountBlocks( aMemPak, aNoteSizes );
if( dwNoteSize <= 0 )
{
ErrorMessage( IDS_ERR_NOTEREAD, 0, false );
fclose(nFile);
return false;
}
else
{
if( wRemainingBlocks < dwNoteSize )
{
ErrorMessage( IDS_ERR_MEMPAK_SPACE, 0, false );
fclose(nFile);
return false;
}
else
{
i = 0;
while(( i < 16 ) && ( ifreeNote == -1 ))
{
if( aNoteSizes[i] == 0 )
ifreeNote = i;
i++;
}
if( ifreeNote == -1 )
{
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ErrorMessage( IDS_ERR_MEMPAK_NONOTES, 0, false );
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fclose(nFile);
return false;
}
}
}
// HEADER START
// .a64 header should look something like this:
// NBCE 01 0203 0 {} {BLASTCORPS GAME}
// first 4 chars are the first 4 bytes
// next 2 chars are the next 2 bytes
// next 4 chars are bytes 8 and 9, in hex (huh?)
// next character is byte 10, in hex (but only one character this time)
// now we've got two sets of braces... the first one contains byte 12 in encoded form (use ReverseNotesA)
// the second one should contain bytes 16 through 31 (ReverseNotesA)
BYTE *pBlock;
fsetpos(nFile, &pDataStart);
if (! fgets(szLine, sizeof(szLine) - 1, nFile) )
{
ErrorMessage( IDS_ERR_NOTEEOF, 0, false );
fclose(nFile);
return false;
}
szLine[strlen(szLine) - 1] = '\0'; // remove newline
pBlock = &aMemPak[0x300 + ifreeNote*32];
CopyMemory( pBlock, szLine, 4 );
pBlock[4] = szLine[5];
pBlock[5] = szLine[6];
TexttoHexA( &szLine[8], &pBlock[8], 2 );
pBlock[10] = szLine[13] - '0';
int len = lstrlenA( szLine );
i = 16;
while(( szLine[i] != '}' ) && (i < len))
i++;
szLine[i] = '\0';
i += ReverseNotesA( &szLine[16], &pBlock[12] );
while(( szLine[i] != '{' ) && (i < len))
i++;
if(i < len)
{
int start = i+1;
while(( szLine[i] != '}' ) && (i < len))
i++;
if(i < len)
{
szLine[i] = '\0';
ReverseNotesA( &szLine[start], &pBlock[16] );
}
}
while(( szLine[i] != '}' ) && (i < len))
i++;
szLine[i] = '\0';
// HEADER END
BYTE bDataBlock = 5;
pBlock = &pBlock[7];
BYTE *pDataBlock;
while( dwNoteSize > 0 )
{
while( aMemPak[0x101 + bDataBlock*2] != 0x03 )
bDataBlock++;
*pBlock = bDataBlock;
pBlock = &aMemPak[0x101 + bDataBlock*2];
pDataBlock = &aMemPak[bDataBlock * 0x100];
for( i = 0; i < 0x100; i+=32 )
{
if (! fgets(szLine, sizeof(szLine) - 1, nFile) )
{
ErrorMessage( IDS_ERR_NOTEEOF, 0, false );
fclose(nFile);
return false;
}
szLine[strlen(szLine) - 1] = '\0'; // remove newline
TexttoHexA( szLine, &pDataBlock[i], 32 );
}
bDataBlock++;
dwNoteSize--;
}
*pBlock = 0x01;
int iSum = 0;
for( i = 0x10A; i < 0x200; i++ )
iSum += aMemPak[i];
aMemPak[0x101] = iSum % 256;
CopyMemory( &aMemPak[0x200], &aMemPak[0x100], 0x100 );
fclose(nFile);
return true;
}
else
ErrorMessage( IDS_ERR_NOTEREAD, 0, false );
return false;
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}
// Remove a mempak "Note"
// See "MemPak-Format.doc" for more info
bool RemoveNote( LPBYTE aMemPak, const int iNote )
{
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BYTE bBlock = aMemPak[0x307 + iNote*32];
int iPos;
while( bBlock >= 0x05 )
{
iPos = 0x101 + bBlock*2;
bBlock = aMemPak[iPos];
aMemPak[iPos] = 0x03;
}
int i = 0, iSum = 0;
for( i = 0x10A; i < 0x200; i++ )
iSum += aMemPak[i];
aMemPak[0x101] = iSum % 256;
CopyMemory( &aMemPak[0x200], &aMemPak[0x100], 0x100 );
ZeroMemory( &aMemPak[0x300 + iNote*32], 32 );
return true;
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}
BYTE AddressCRC( const unsigned char * Address )
{
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bool HighBit;
WORD Data = MAKEWORD( Address[1], Address[0] );
register BYTE Remainder = ( Data >> 11 ) & 0x1F;
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BYTE bBit = 5;
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while( bBit < 16 )
{
HighBit = (Remainder & 0x10) != 0;
Remainder = (Remainder << 1) & 0x1E;
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Remainder += ( bBit < 11 && Data & (0x8000 >> bBit )) ? 1 : 0;
Remainder ^= (HighBit) ? 0x15 : 0;
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bBit++;
}
return Remainder;
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}
BYTE DataCRC( const unsigned char * Data, const int iLength )
{
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register BYTE Remainder = Data[0];
int iByte = 1;
BYTE bBit = 0;
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while( iByte <= iLength )
{
bool HighBit = ((Remainder & 0x80) != 0);
Remainder = Remainder << 1;
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Remainder += ( iByte < iLength && Data[iByte] & (0x80 >> bBit )) ? 1 : 0;
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Remainder ^= (HighBit) ? 0x85 : 0;
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bBit++;
iByte += bBit/8;
bBit %= 8;
}
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return Remainder;
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}
VOID CALLBACK WritebackProc( HWND hWnd, UINT msg, UINT_PTR idEvent, DWORD dwTime )
{
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KillTimer(hWnd, idEvent); // timer suicide
switch (idEvent)
{
case PAK_MEM:
DebugWriteA("Mempak: WritebackProc flushed file writes\n");
for( int i = 0; i < 4; i++ )
{
MEMPAK *mPak = (MEMPAK*)g_pcControllers[i].pPakData;
if ( mPak && mPak->bPakType == PAK_MEM && !mPak->fReadonly && mPak->hMemPakHandle != NULL )
FlushViewOfFile( mPak->aMemPakData, PAK_MEM_SIZE );
}
return;
case PAK_TRANSFER:
DebugWriteA("TPak: WritebackProc flushed file writes\n");
for( int i = 0; i < 4; i++ )
{
LPTRANSFERPAK tPak = (LPTRANSFERPAK)g_pcControllers[i].pPakData;
if (tPak && tPak->bPakType == PAK_TRANSFER && tPak->bPakInserted && tPak->gbCart.hRamFile != NULL )
FlushViewOfFile( tPak->gbCart.RamData, (tPak->gbCart.RomData[0x149] == 1 ) ? 0x0800 : tPak->gbCart.iNumRamBanks * 0x2000);
}
return;
}
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}