[64DD] Saving support for SDK format dumps
This commit is contained in:
luigiblood
parent
ea5c4abc09
commit
a29fb1f92a
|
|
@ -47,12 +47,6 @@ bool CN64Disk::LoadDiskImage(const char * FileLoc)
|
||||||
|
|
||||||
bool CN64Disk::SaveDiskImage()
|
bool CN64Disk::SaveDiskImage()
|
||||||
{
|
{
|
||||||
ForceByteSwapDisk();
|
|
||||||
|
|
||||||
if (m_DiskFormat == DiskFormatMAME)
|
|
||||||
{
|
|
||||||
//If original file was MAME format, just copy
|
|
||||||
//SDK format protection
|
|
||||||
WriteTrace(TraceN64System, TraceDebug, "Trying to open %s", m_FileName);
|
WriteTrace(TraceN64System, TraceDebug, "Trying to open %s", m_FileName);
|
||||||
m_DiskFile.Close();
|
m_DiskFile.Close();
|
||||||
if (!m_DiskFile.Open(m_FileName.c_str(), CFileBase::modeWrite))
|
if (!m_DiskFile.Open(m_FileName.c_str(), CFileBase::modeWrite))
|
||||||
|
|
@ -62,6 +56,12 @@ bool CN64Disk::SaveDiskImage()
|
||||||
}
|
}
|
||||||
|
|
||||||
m_DiskFile.SeekToBegin();
|
m_DiskFile.SeekToBegin();
|
||||||
|
ForceByteSwapDisk();
|
||||||
|
|
||||||
|
if (m_DiskFormat == DiskFormatMAME)
|
||||||
|
{
|
||||||
|
//If original file was MAME format, just copy
|
||||||
|
WriteTrace(TraceN64System, TraceDebug, "64DD disk is MAME format");
|
||||||
if (!m_DiskFile.Write(m_DiskImage, MameFormatSize))
|
if (!m_DiskFile.Write(m_DiskImage, MameFormatSize))
|
||||||
{
|
{
|
||||||
m_DiskFile.Close();
|
m_DiskFile.Close();
|
||||||
|
|
@ -72,6 +72,8 @@ bool CN64Disk::SaveDiskImage()
|
||||||
else if (m_DiskFormat == DiskFormatSDK)
|
else if (m_DiskFormat == DiskFormatSDK)
|
||||||
{
|
{
|
||||||
//If original file was SDK format, we need to convert it back
|
//If original file was SDK format, we need to convert it back
|
||||||
|
WriteTrace(TraceN64System, TraceDebug, "64DD disk is SDK format");
|
||||||
|
ConvertDiskFormatBack();
|
||||||
}
|
}
|
||||||
|
|
||||||
m_DiskFile.Close();
|
m_DiskFile.Close();
|
||||||
|
|
@ -407,3 +409,177 @@ void CN64Disk::ConvertDiskFormat()
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
void CN64Disk::ConvertDiskFormatBack()
|
||||||
|
{
|
||||||
|
//Original code by Happy_
|
||||||
|
const uint32_t ZoneSecSize[16] = { 232, 216, 208, 192, 176, 160, 144, 128,
|
||||||
|
216, 208, 192, 176, 160, 144, 128, 112 };
|
||||||
|
const uint32_t ZoneTracks[16] = { 158, 158, 149, 149, 149, 149, 149, 114,
|
||||||
|
158, 158, 149, 149, 149, 149, 149, 114 };
|
||||||
|
const uint32_t DiskTypeZones[7][16] = {
|
||||||
|
{ 0, 1, 2, 9, 8, 3, 4, 5, 6, 7, 15, 14, 13, 12, 11, 10 },
|
||||||
|
{ 0, 1, 2, 3, 10, 9, 8, 4, 5, 6, 7, 15, 14, 13, 12, 11 },
|
||||||
|
{ 0, 1, 2, 3, 4, 11, 10, 9, 8, 5, 6, 7, 15, 14, 13, 12 },
|
||||||
|
{ 0, 1, 2, 3, 4, 5, 12, 11, 10, 9, 8, 6, 7, 15, 14, 13 },
|
||||||
|
{ 0, 1, 2, 3, 4, 5, 6, 13, 12, 11, 10, 9, 8, 7, 15, 14 },
|
||||||
|
{ 0, 1, 2, 3, 4, 5, 6, 7, 14, 13, 12, 11, 10, 9, 8, 15 },
|
||||||
|
{ 0, 1, 2, 3, 4, 5, 6, 7, 15, 14, 13, 12, 11, 10, 9, 8 }
|
||||||
|
};
|
||||||
|
const uint32_t RevDiskTypeZones[7][16] = {
|
||||||
|
{ 0, 1, 2, 5, 6, 7, 8, 9, 4, 3, 15, 14, 13, 12, 11, 10 },
|
||||||
|
{ 0, 1, 2, 3, 7, 8, 9, 10, 6, 5, 4, 15, 14, 13, 12, 11 },
|
||||||
|
{ 0, 1, 2, 3, 4, 9, 10, 11, 8, 7, 6, 5, 15, 14, 13, 12 },
|
||||||
|
{ 0, 1, 2, 3, 4, 5, 11, 12, 10, 9, 8, 7, 6, 15, 14, 13 },
|
||||||
|
{ 0, 1, 2, 3, 4, 5, 6, 13, 12, 11, 10, 9, 8, 7, 15, 14 },
|
||||||
|
{ 0, 1, 2, 3, 4, 5, 6, 7, 14, 13, 12, 11, 10, 9, 8, 15 },
|
||||||
|
{ 0, 1, 2, 3, 4, 5, 6, 7, 15, 14, 13, 12, 11, 10, 9, 8 }
|
||||||
|
};
|
||||||
|
const uint32_t StartBlock[7][16] = {
|
||||||
|
{ 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1 },
|
||||||
|
{ 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0 },
|
||||||
|
{ 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1 },
|
||||||
|
{ 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0 },
|
||||||
|
{ 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1 },
|
||||||
|
{ 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0 },
|
||||||
|
{ 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1 }
|
||||||
|
};
|
||||||
|
|
||||||
|
uint32_t disktype = 0;
|
||||||
|
uint32_t zone, track = 0;
|
||||||
|
int32_t atrack = 0;
|
||||||
|
int32_t block = 0;
|
||||||
|
uint8_t SystemData[0xE8];
|
||||||
|
uint8_t BlockData0[0x100 * SECTORS_PER_BLOCK];
|
||||||
|
uint8_t BlockData1[0x100 * SECTORS_PER_BLOCK];
|
||||||
|
uint32_t InOffset, OutOffset = 0;
|
||||||
|
uint32_t InStart[16];
|
||||||
|
uint32_t OutStart[16];
|
||||||
|
|
||||||
|
//SDK DISK RAM
|
||||||
|
WriteTrace(TraceN64System, TraceDebug, "Allocating memory for disk SDK format");
|
||||||
|
std::auto_ptr<uint8_t> ImageBase(new uint8_t[SDKFormatSize + 0x1000]);
|
||||||
|
if (ImageBase.get() == NULL)
|
||||||
|
{
|
||||||
|
SetError(MSG_MEM_ALLOC_ERROR);
|
||||||
|
WriteTrace(TraceN64System, TraceError, "Failed to allocate memory for disk SDK format (size: 0x%X)", SDKFormatSize);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
uint8_t * Image = (uint8_t *)(((uint64_t)ImageBase.get() + 0xFFF) & ~0xFFF); // start at begining of memory page
|
||||||
|
WriteTrace(TraceN64System, TraceDebug, "Allocated disk SDK format memory (%p)", Image);
|
||||||
|
|
||||||
|
//save information about the disk loaded
|
||||||
|
uint8_t * s_DiskImageBase = ImageBase.release();
|
||||||
|
uint8_t * s_DiskImage = Image;
|
||||||
|
//END
|
||||||
|
|
||||||
|
InStart[0] = 0;
|
||||||
|
OutStart[0] = 0;
|
||||||
|
|
||||||
|
//Read System Area
|
||||||
|
memcpy(&SystemData, m_DiskImage, 0xE8);
|
||||||
|
|
||||||
|
disktype = SystemData[5] & 0xF;
|
||||||
|
|
||||||
|
//Prepare Input Offsets
|
||||||
|
for (zone = 1; zone < 16; zone++)
|
||||||
|
{
|
||||||
|
InStart[zone] = InStart[zone - 1] +
|
||||||
|
VZONESIZE(DiskTypeZones[disktype][zone - 1]);
|
||||||
|
}
|
||||||
|
|
||||||
|
//Prepare Output Offsets
|
||||||
|
for (zone = 1; zone < 16; zone++)
|
||||||
|
{
|
||||||
|
OutStart[zone] = OutStart[zone - 1] + ZONESIZE(zone - 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
//Copy Head 0
|
||||||
|
for (zone = 0; zone < 8; zone++)
|
||||||
|
{
|
||||||
|
block = StartBlock[disktype][zone];
|
||||||
|
atrack = 0;
|
||||||
|
for (track = 0; track < ZoneTracks[zone]; track++)
|
||||||
|
{
|
||||||
|
InOffset = OutStart[zone] + (track)* TRACKSIZE(zone);
|
||||||
|
OutOffset = InStart[RevDiskTypeZones[disktype][zone]] + (track - atrack) * TRACKSIZE(zone);
|
||||||
|
|
||||||
|
if (atrack < 0xC && track == SystemData[0x20 + zone * 0xC + atrack])
|
||||||
|
{
|
||||||
|
atrack += 1;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if ((block % 2) == 1)
|
||||||
|
{
|
||||||
|
memcpy(&BlockData1, m_DiskImage + InOffset, BLOCKSIZE(zone));
|
||||||
|
InOffset += BLOCKSIZE(zone);
|
||||||
|
memcpy(&BlockData0, m_DiskImage + InOffset, BLOCKSIZE(zone));
|
||||||
|
InOffset += BLOCKSIZE(zone);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
memcpy(&BlockData0, m_DiskImage + InOffset, BLOCKSIZE(zone));
|
||||||
|
InOffset += BLOCKSIZE(zone);
|
||||||
|
memcpy(&BlockData1, m_DiskImage + InOffset, BLOCKSIZE(zone));
|
||||||
|
InOffset += BLOCKSIZE(zone);
|
||||||
|
}
|
||||||
|
block = 1 - block;
|
||||||
|
memcpy(s_DiskImage + OutOffset, &BlockData0, BLOCKSIZE(zone));
|
||||||
|
OutOffset += BLOCKSIZE(zone);
|
||||||
|
memcpy(s_DiskImage + OutOffset, &BlockData1, BLOCKSIZE(zone));
|
||||||
|
OutOffset += BLOCKSIZE(zone);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//Copy Head 1
|
||||||
|
for (zone = 8; zone < 16; zone++)
|
||||||
|
{
|
||||||
|
block = StartBlock[disktype][zone];
|
||||||
|
atrack = 0xB;
|
||||||
|
for (track = 1; track < ZoneTracks[zone] + 1; track++)
|
||||||
|
{
|
||||||
|
InOffset = OutStart[zone] + (ZoneTracks[zone] - track) * TRACKSIZE(zone);
|
||||||
|
OutOffset = InStart[RevDiskTypeZones[disktype][zone]] + (track - (0xB - atrack) - 1) * TRACKSIZE(zone);
|
||||||
|
|
||||||
|
if (atrack > -1 && (ZoneTracks[zone] - track) == SystemData[0x20 + (zone)* 0xC + atrack])
|
||||||
|
{
|
||||||
|
atrack -= 1;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
if ((block % 2) == 1)
|
||||||
|
{
|
||||||
|
memcpy(&BlockData1, m_DiskImage + InOffset, BLOCKSIZE(zone));
|
||||||
|
InOffset += BLOCKSIZE(zone);
|
||||||
|
memcpy(&BlockData0, m_DiskImage + InOffset, BLOCKSIZE(zone));
|
||||||
|
InOffset += BLOCKSIZE(zone);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
memcpy(&BlockData0, m_DiskImage + InOffset, BLOCKSIZE(zone));
|
||||||
|
InOffset += BLOCKSIZE(zone);
|
||||||
|
memcpy(&BlockData1, m_DiskImage + InOffset, BLOCKSIZE(zone));
|
||||||
|
InOffset += BLOCKSIZE(zone);
|
||||||
|
}
|
||||||
|
block = 1 - block;
|
||||||
|
memcpy(s_DiskImage + OutOffset, &BlockData0, BLOCKSIZE(zone));
|
||||||
|
OutOffset += BLOCKSIZE(zone);
|
||||||
|
memcpy(s_DiskImage + OutOffset, &BlockData1, BLOCKSIZE(zone));
|
||||||
|
OutOffset += BLOCKSIZE(zone);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!m_DiskFile.Write(s_DiskImage, SDKFormatSize))
|
||||||
|
{
|
||||||
|
m_DiskFile.Close();
|
||||||
|
WriteTrace(TraceN64System, TraceError, "Failed to write file");
|
||||||
|
}
|
||||||
|
|
||||||
|
WriteTrace(TraceN64System, TraceDebug, "Unallocating disk SDK format memory");
|
||||||
|
delete[] s_DiskImageBase;
|
||||||
|
s_DiskImageBase = NULL;
|
||||||
|
s_DiskImage = NULL;
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue