public static void ReadCrc(FamicomDumperConnection dumper)
{
Program.Reset(dumper);
dumper.WriteCpu(0x5007, 0x04); // enable PRG write
dumper.WriteCpu(0x5002, 0xFE); // mask = 32K
var cfi = FlashHelper.GetCFIInfo(dumper);
Console.WriteLine($"Device size: {cfi.DeviceSize / 1024 / 1024} MByte / {cfi.DeviceSize / 1024 / 1024 * 8} Mbit");
uint banks = cfi.DeviceSize / BANK_SIZE;
var readStartTime = DateTime.Now;
var lastSectorTime = DateTime.Now;
var timeEstimated = new TimeSpan();
ushort crc = 0;
for (int bank = 0; bank < banks; bank++)
{
byte r0 = (byte)(bank >> 7);
byte r1 = (byte)(bank << 1);
dumper.WriteCpu(0x5000, r0);
dumper.WriteCpu(0x5001, r1);
int pos = bank * BANK_SIZE;
if (pos % (128 * 1024) == 0)
{
timeEstimated = new TimeSpan((DateTime.Now - lastSectorTime).Ticks * (banks - bank) / 4);
timeEstimated = timeEstimated.Add(DateTime.Now - readStartTime);
lastSectorTime = DateTime.Now;
}
var timePassed = DateTime.Now - readStartTime;
Console.Write($"Reading CRC of bank #{bank}/{banks} ({100 * bank / banks}%, {timePassed.Hours:D2}:{timePassed.Minutes:D2}:{timePassed.Seconds:D2}/{timeEstimated.Hours:D2}:{timeEstimated.Minutes:D2}:{timeEstimated.Seconds:D2})... ");
var crcr = dumper.ReadCpuCrc(0x8000, BANK_SIZE);
Console.WriteLine($"CRC = {crcr:X4}");
crc ^= crcr;
}
Console.WriteLine($"Total CRC = {crc:X4}");
}
public static void Write(FamicomDumperConnection dumper, string fileName, IEnumerable <int> badSectors, bool silent, bool needCheck = false, bool writePBBs = false, bool ignoreBadSectors = false)
{
byte[] PRG;
if (Path.GetExtension(fileName).ToLower() == ".bin")
{
PRG = File.ReadAllBytes(fileName);
}
else
{
try
{
var nesFile = new NesFile(fileName);
PRG = nesFile.PRG.ToArray();
}
catch
{
var nesFile = new UnifFile(fileName);
PRG = nesFile.Fields["PRG0"];
}
}
int banks = PRG.Length / BANK_SIZE;
Program.Reset(dumper);
dumper.WriteCpu(0x5007, 0x04); // enable PRG write
dumper.WriteCpu(0x5002, 0xFE); // mask = 32K
dumper.WriteCpu(0x5000, 0);
dumper.WriteCpu(0x5001, 0);
FlashHelper.ResetFlash(dumper);
var cfi = FlashHelper.GetCFIInfo(dumper);
Console.WriteLine($"Device size: {cfi.DeviceSize / 1024 / 1024} MByte / {cfi.DeviceSize / 1024 / 1024 * 8} Mbit");
Console.WriteLine($"Maximum number of bytes in multi-byte program: {cfi.MaximumNumberOfBytesInMultiProgram}");
if (dumper.ProtocolVersion >= 3)
{
dumper.SetMaximumNumberOfBytesInMultiProgram(cfi.MaximumNumberOfBytesInMultiProgram);
}
FlashHelper.LockBitsCheckPrint(dumper);
if (PRG.Length > cfi.DeviceSize)
{
throw new ArgumentOutOfRangeException("PRG.Length", "This ROM is too big for this cartridge");
}
try
{
PPBClear(dumper);
}
catch (Exception ex)
{
if (!silent)
{
Program.PlayErrorSound();
}
Console.WriteLine($"ERROR! {ex.Message}. Lets continue anyway.");
}
var writeStartTime = DateTime.Now;
var lastSectorTime = DateTime.Now;
var timeEstimated = new TimeSpan();
int totalErrorCount = 0;
int currentErrorCount = 0;
var newBadSectorsList = new List <int>();
for (int bank = 0; bank < banks; bank++)
{
while (badSectors.Contains(bank / 4) || newBadSectorsList.Contains(bank / 4))
{
bank += 4; // bad sector :(
}
try
{
byte r0 = (byte)(bank >> 7);
byte r1 = (byte)(bank << 1);
dumper.WriteCpu(0x5000, r0);
dumper.WriteCpu(0x5001, r1);
var data = new byte[BANK_SIZE];
int pos = bank * BANK_SIZE;
if (pos % (128 * 1024) == 0)
{
timeEstimated = new TimeSpan((DateTime.Now - lastSectorTime).Ticks * (banks - bank) / 4);
timeEstimated = timeEstimated.Add(DateTime.Now - writeStartTime);
lastSectorTime = DateTime.Now;
Console.Write($"Erasing sector #{bank / 4}... ");
dumper.EraseCpuFlashSector();
Console.WriteLine("OK");
}
Array.Copy(PRG, pos, data, 0, data.Length);
var timePassed = DateTime.Now - writeStartTime;
Console.Write($"Writing bank #{bank}/{banks} ({100 * bank / banks}%, {timePassed.Hours:D2}:{timePassed.Minutes:D2}:{timePassed.Seconds:D2}/{timeEstimated.Hours:D2}:{timeEstimated.Minutes:D2}:{timeEstimated.Seconds:D2})... ");
dumper.WriteCpuFlash(0x0000, data);
Console.WriteLine("OK");
if ((bank % 4 == 3) || (bank == banks - 1)) // After last bank in sector
{
if (writePBBs)
{
FlashHelper.PPBSet(dumper);
}
currentErrorCount = 0;
}
}
catch (Exception ex)
{
totalErrorCount++;
currentErrorCount++;
Console.WriteLine($"ERROR {ex.GetType()}: {ex.Message}");
if (!silent)
{
Program.PlayErrorSound();
}
if (currentErrorCount >= 5)
{
if (!ignoreBadSectors)
{
throw ex;
}
else
{
newBadSectorsList.Add(bank / 4);
currentErrorCount = 0;
Console.WriteLine($"Lets skip sector #{bank / 4}");
}
}
else
{
Console.WriteLine("Lets try again");
}
bank = (bank & ~3) - 1;
Program.Reset(dumper);
dumper.WriteCpu(0x5007, 0x04); // enable PRG write
dumper.WriteCpu(0x5002, 0xFE); // mask = 32K
FlashHelper.ResetFlash(dumper);
continue;
}
}
if (totalErrorCount > 0)
{
Console.WriteLine($"Write error count: {totalErrorCount}");
}
if (newBadSectorsList.Any())
{
Console.WriteLine($"Can't write sectors: {string.Join(", ", newBadSectorsList.OrderBy(s => s))}");
}
var wrongCrcSectorsList = new List <int>();
if (needCheck)
{
Console.WriteLine("Starting verification process");
Program.Reset(dumper);
var readStartTime = DateTime.Now;
lastSectorTime = DateTime.Now;
timeEstimated = new TimeSpan();
dumper.WriteCpu(0x5002, 0xFE); // mask = 32K
for (int bank = 0; bank < banks; bank++)
{
while (badSectors.Contains(bank / 4))
{
bank += 4; // bad sector :(
}
byte r0 = (byte)(bank >> 7);
byte r1 = (byte)(bank << 1);
dumper.WriteCpu(0x5000, r0);
dumper.WriteCpu(0x5001, r1);
var data = new byte[BANK_SIZE];
int pos = bank * BANK_SIZE;
if (pos % (128 * 1024) == 0)
{
timeEstimated = new TimeSpan((DateTime.Now - lastSectorTime).Ticks * (banks - bank) / 4);
timeEstimated = timeEstimated.Add(DateTime.Now - readStartTime);
lastSectorTime = DateTime.Now;
}
Array.Copy(PRG, pos, data, 0, data.Length);
ushort crc = 0;
foreach (var a in data)
{
crc ^= a;
for (int i = 0; i < 8; ++i)
{
if ((crc & 1) != 0)
{
crc = (ushort)((crc >> 1) ^ 0xA001);
}
else
{
crc = (ushort)(crc >> 1);
}
}
}
var timePassed = DateTime.Now - readStartTime;
Console.Write($"Reading CRC of bank #{bank}/{banks} ({100 * bank / banks}%, {timePassed.Hours:D2}:{timePassed.Minutes:D2}:{timePassed.Seconds:D2}/{timeEstimated.Hours:D2}:{timeEstimated.Minutes:D2}:{timeEstimated.Seconds:D2})... ");
var crcr = dumper.ReadCpuCrc(0x8000, BANK_SIZE);
if (crcr != crc)
{
Console.WriteLine($"Verification failed: {crcr:X4} != {crc:X4}");
if (!silent)
{
Program.PlayErrorSound();
}
wrongCrcSectorsList.Add(bank / 4);
}
else
{
Console.WriteLine($"OK (CRC = {crcr:X4})");
}
}
if (totalErrorCount > 0)
{
Console.WriteLine($"Write error count: {totalErrorCount}");
}
if (newBadSectorsList.Any())
{
Console.WriteLine($"Can't write sectors: {string.Join(", ", newBadSectorsList.OrderBy(s => s))}");
}
if (wrongCrcSectorsList.Any())
{
Console.WriteLine($"Sectors with wrong CRC: {string.Join(", ", wrongCrcSectorsList.Distinct().OrderBy(s => s))}");
}
}
if (newBadSectorsList.Any() || wrongCrcSectorsList.Any())
{
throw new IOException("Cartridge is not writed correctly");
}
}