public static void ReadCrc(FamicomDumperConnection dumper)
{
Console.Write("Reset... ");
dumper.Reset();
Console.WriteLine("OK");
dumper.WriteCpu(0x5007, 0x04); // enable PRG write
dumper.WriteCpu(0x5002, 0xFE); // mask = 32K
var flashSize = CommonHelper.GetFlashSizePrintInfo(dumper);
int prgBanks = flashSize / 0x8000;
var readStartTime = DateTime.Now;
var lastSectorTime = DateTime.Now;
var timeTotal = new TimeSpan();
UInt16 crc = 0;
for (int bank = 0; bank < /*16*/ prgBanks; bank++)
{
byte r0 = (byte)(bank >> 7);
byte r1 = (byte)(bank << 1);
dumper.WriteCpu(0x5000, r0);
dumper.WriteCpu(0x5001, r1);
var data = new byte[0x8000];
int pos = bank * 0x8000;
if (pos % (128 * 1024) == 0)
{
timeTotal = new TimeSpan((DateTime.Now - lastSectorTime).Ticks * (prgBanks - bank) / 4);
timeTotal = timeTotal.Add(DateTime.Now - readStartTime);
lastSectorTime = DateTime.Now;
}
var timePassed = DateTime.Now - readStartTime;
Console.Write("Reading CRC {0}/{1} ({2}%, {3:D2}:{4:D2}:{5:D2}/{6:D2}:{7:D2}:{8:D2})... ", bank + 1, prgBanks, (int)(100 * bank / prgBanks),
timePassed.Hours, timePassed.Minutes, timePassed.Seconds, timeTotal.Hours, timeTotal.Minutes, timeTotal.Seconds);
var crcr = dumper.ReadCpuCrc(0x8000, 0x8000);
Console.WriteLine("CRC = {0:X4}", crcr);
crc ^= crcr;
}
Console.WriteLine("Total CRC = {0:X4}", crc);
}
public static void Write(FamicomDumperConnection dumper, string fileName, IEnumerable <int> badSectors, bool silent, bool needCheck = false, bool writePBBs = false)
{
byte[] PRG;
if (Path.GetExtension(fileName).ToLower() == ".bin")
{
PRG = File.ReadAllBytes(fileName);
}
else
{
try
{
var nesFile = new NesFile(fileName);
PRG = nesFile.PRG;
}
catch
{
var nesFile = new UnifFile(fileName);
PRG = nesFile.Fields["PRG0"];
}
}
int prgBanks = PRG.Length / 0x4000;
Console.Write("Reset... ");
dumper.Reset();
Console.WriteLine("OK");
int flashSize = CommonHelper.GetFlashSize(dumper);
if (PRG.Length > flashSize)
{
throw new Exception("This ROM is too big for this cartridge");
}
PPBErase(dumper);
var writeStartTime = DateTime.Now;
var lastSectorTime = DateTime.Now;
var timeTotal = new TimeSpan();
int errorCount = 0;
for (int bank = 0; bank < prgBanks; bank++)
{
if (badSectors.Contains(bank / 8))
{
bank += 8; // bad sector :(
}
try
{
byte r0 = (byte)(((bank >> 3) & 0x07) // 5, 4, 3 bits
| (((bank >> 9) & 0x03) << 4) // 10, 9 bits
| (1 << 6)); // resets 4th mask bit
byte r1 = (byte)((((bank >> 7) & 0x03) << 2) // 8, 7
| (((bank >> 6) & 1) << 4) // 6
| (1 << 7)); // resets 5th mask bit
byte r2 = 0;
byte r3 = (byte)((1 << 4) // NROM mode
| ((bank & 7) << 1)); // 2, 1, 0 bits
dumper.WriteCpu(0x6000, new byte[] { r0 });
dumper.WriteCpu(0x6001, new byte[] { r1 });
dumper.WriteCpu(0x6002, new byte[] { r2 });
dumper.WriteCpu(0x6003, new byte[] { r3 });
var data = new byte[0x4000];
int pos = bank * 0x4000;
if (pos % (128 * 1024) == 0)
{
timeTotal = new TimeSpan((DateTime.Now - lastSectorTime).Ticks * (prgBanks - bank) / 8);
timeTotal = timeTotal.Add(DateTime.Now - writeStartTime);
lastSectorTime = DateTime.Now;
Console.Write("Erasing sector... ");
dumper.ErasePrgFlash(FamicomDumperConnection.FlashAccessType.Direct);
Console.WriteLine("OK");
}
Array.Copy(PRG, pos, data, 0, data.Length);
var timePassed = DateTime.Now - writeStartTime;
Console.Write("Writing {0}/{1} ({2}%, {3:D2}:{4:D2}:{5:D2}/{6:D2}:{7:D2}:{8:D2})... ", bank + 1, prgBanks, (int)(100 * bank / prgBanks),
timePassed.Hours, timePassed.Minutes, timePassed.Seconds, timeTotal.Hours, timeTotal.Minutes, timeTotal.Seconds);
dumper.WritePrgFlash(0x0000, data, FamicomDumperConnection.FlashAccessType.Direct, true);
Console.WriteLine("OK");
if ((bank % 8 == 7) || (bank == prgBanks - 1))
{
PPBWrite(dumper, (uint)bank / 8);
}
}
catch (Exception ex)
{
errorCount++;
if (errorCount >= 3)
{
throw ex;
}
if (!silent)
{
Program.errorSound.PlaySync();
}
Console.WriteLine("Error: " + ex.Message);
bank = (bank & ~7) - 1;
Console.WriteLine("Lets try again");
Console.Write("Reset... ");
dumper.Reset();
Console.WriteLine("OK");
continue;
}
}
if (errorCount > 0)
{
Console.WriteLine("Warning! Error count: {0}", errorCount);
}
if (needCheck)
{
Console.WriteLine("Starting check process");
Console.Write("Reset... ");
dumper.Reset();
Console.WriteLine("OK");
var readStartTime = DateTime.Now;
lastSectorTime = DateTime.Now;
timeTotal = new TimeSpan();
for (int bank = 0; bank < prgBanks; bank++)
{
byte r0 = (byte)(((bank >> 3) & 0x07) // 5, 4, 3 bits
| (((bank >> 9) & 0x03) << 4) // 10, 9 bits
| (1 << 6)); // resets 4th mask bit
byte r1 = (byte)((((bank >> 7) & 0x03) << 2) // 8, 7
| (((bank >> 6) & 1) << 4) // 6
| (1 << 7)); // resets 5th mask bit
byte r2 = 0;
byte r3 = (byte)((1 << 4) // NROM mode
| ((bank & 7) << 1)); // 2, 1, 0 bits
dumper.WriteCpu(0x6000, new byte[] { r0 });
dumper.WriteCpu(0x6001, new byte[] { r1 });
dumper.WriteCpu(0x6002, new byte[] { r2 });
dumper.WriteCpu(0x6003, new byte[] { r3 });
var data = new byte[0x4000];
int pos = bank * 0x4000;
if (pos % (128 * 1024) == 0)
{
timeTotal = new TimeSpan((DateTime.Now - lastSectorTime).Ticks * (prgBanks - bank) / 8);
timeTotal = timeTotal.Add(DateTime.Now - readStartTime);
lastSectorTime = DateTime.Now;
}
Array.Copy(PRG, pos, data, 0, data.Length);
UInt16 crc = 0;
foreach (var a in data)
{
crc ^= a;
for (int i = 0; i < 8; ++i)
{
if ((crc & 1) != 0)
{
crc = (UInt16)((crc >> 1) ^ 0xA001);
}
else
{
crc = (UInt16)(crc >> 1);
}
}
}
var timePassed = DateTime.Now - readStartTime;
Console.Write("Reading CRC {0}/{1} ({2}%, {3:D2}:{4:D2}:{5:D2}/{6:D2}:{7:D2}:{8:D2})... ", bank + 1, prgBanks, (int)(100 * bank / prgBanks),
timePassed.Hours, timePassed.Minutes, timePassed.Seconds, timeTotal.Hours, timeTotal.Minutes, timeTotal.Seconds);
var crcr = dumper.ReadCpuCrc(0x8000, 0x4000);
if (crcr != crc)
{
throw new Exception(string.Format("Check failed: {0:X4} != {1:X4}", crcr, crc));
}
else
{
Console.WriteLine("OK (CRC = {0:X4})", crcr);
}
}
if (errorCount > 0)
{
Console.WriteLine("Warning! Error count: {0}", errorCount);
return;
}
}
}
