diff options
| -rw-r--r-- | FamicomDumper/CoolboyWriter.cs | 2 | ||||
| -rw-r--r-- | FamicomDumper/CoolgirlWriter.cs | 4 | ||||
| -rw-r--r-- | FamicomDumper/FlashHelper.cs | 80 |
3 files changed, 78 insertions, 8 deletions
diff --git a/FamicomDumper/CoolboyWriter.cs b/FamicomDumper/CoolboyWriter.cs index ab3b410..53e19d1 100644 --- a/FamicomDumper/CoolboyWriter.cs +++ b/FamicomDumper/CoolboyWriter.cs @@ -160,7 +160,7 @@ namespace com.clusterrr.Famicom var coolboyReg = (ushort)(version == 2 ? 0x5000 : 0x6000);
FlashHelper.ResetFlash(dumper);
int flashSize = FlashHelper.GetFlashSizePrintInfo(dumper);
- FlashHelper.LockBitsCheck(dumper);
+ FlashHelper.LockBitsCheckPrint(dumper);
if (PRG.Length > flashSize)
throw new ArgumentOutOfRangeException("PRG.Length", "This ROM is too big for this cartridge");
try
diff --git a/FamicomDumper/CoolgirlWriter.cs b/FamicomDumper/CoolgirlWriter.cs index 06b607e..8600a67 100644 --- a/FamicomDumper/CoolgirlWriter.cs +++ b/FamicomDumper/CoolgirlWriter.cs @@ -54,7 +54,7 @@ namespace com.clusterrr.Famicom dumper.WriteCpu(0x5001, 0);
FlashHelper.ResetFlash(dumper);
int flashSize = FlashHelper.GetFlashSizePrintInfo(dumper);
- FlashHelper.LockBitsCheck(dumper);
+ FlashHelper.LockBitsCheckPrint(dumper);
if (PRG.Length > flashSize)
throw new ArgumentOutOfRangeException("PRG.Length", "This ROM is too big for this cartridge");
try
@@ -278,7 +278,7 @@ namespace com.clusterrr.Famicom dumper.WriteCpu(0x5001, 0);
var flashSize = FlashHelper.GetFlashSizePrintInfo(dumper);
int prgBanks = flashSize / 0x8000;
- FlashHelper.LockBitsCheck(dumper);
+ FlashHelper.LockBitsCheckPrint(dumper);
Console.Write("Erasing sector #0... ");
dumper.EraseCpuFlash(FamicomDumperConnection.MemoryAccessMethod.Direct);
diff --git a/FamicomDumper/FlashHelper.cs b/FamicomDumper/FlashHelper.cs index 95d2e00..e2da6f0 100644 --- a/FamicomDumper/FlashHelper.cs +++ b/FamicomDumper/FlashHelper.cs @@ -21,7 +21,7 @@ namespace com.clusterrr.Famicom public static void ResetFlash(FamicomDumperConnection dumper) { // Exit command set entry if any - dumper.WriteCpu(0x8001, 0x90); + dumper.WriteCpu(0x8001, 0x90); dumper.WriteCpu(0x8001, 0x00); // Reset dumper.WriteCpu(0x8000, 0xF0); @@ -45,11 +45,81 @@ namespace com.clusterrr.Famicom Console.WriteLine("Vpp [Programming] Supply Maximum Program / Erase voltage: {0}v", (cfi[0x1E * 2] >> 4) + 0.1 * (cfi[0x1E * 2] & 0x0F)); Console.WriteLine("Maximum number of bytes in multi-byte program: {0}", 1 << (cfi[0x2A * 2] | (cfi[0x2B * 2] << 8))); Console.WriteLine("Device size: {0} MByte / {1} Mbit", size / 1024 / 1024, size / 1024 / 1024 * 8); - Console.WriteLine("Flash device interface: {0}", flashDeviceInterface.ToString().Replace("_"," ")); + Console.WriteLine("Flash device interface: {0}", flashDeviceInterface.ToString().Replace("_", " ")); return size; } - public static void LockBitsCheck(FamicomDumperConnection dumper) + public static void PasswordProgramm(FamicomDumperConnection dumper, byte[] password) + { + if (password.Length != 8) + throw new InvalidDataException("Invalid password length"); + Console.Write("Programming password... "); + // Password Protection Set Entry + dumper.WriteCpu(0x8AAA, 0xAA); + dumper.WriteCpu(0x8555, 0x55); + dumper.WriteCpu(0x8AAA, 0x60); + try + { + for (byte i = 0; i < password.Length; i++) + { + dumper.WriteCpu(0x8000, 0xA0); + dumper.WriteCpu((ushort)(0x8000 + i), password[i]); + } + var verify = dumper.ReadCpu(0x8000, 8); + for (byte i = 0; i < password.Length; i++) + if (password[i] != verify[i]) + throw new InvalidDataException("Password verification failed"); + } + finally + { + // Password Protection Set Exit + dumper.WriteCpu(0x8000, 0x90); + dumper.WriteCpu(0x8000, 0x00); + } + Console.WriteLine("OK"); + + Console.Write("Programming lock register... "); + // Lock Register Set Entry + dumper.WriteCpu(0x8AAA, 0xAA); + dumper.WriteCpu(0x8555, 0x55); + dumper.WriteCpu(0x8AAA, 0x40); + try + { + // Bits Program + dumper.WriteCpu(0x8000, 0xA0); + dumper.WriteCpu(0x8000, (byte)(1 << 2) ^ 0xFF); // password protection + var r = dumper.ReadCpu(0x8000, 1)[0]; + if ((r & 7) != 3) + throw new InvalidDataException("Lock bit verification failed"); + } + finally + { + // PPB Command Set Exit + dumper.WriteCpu(0x8000, 0x90); + dumper.WriteCpu(0x8000, 0x00); + } + Console.WriteLine("OK"); + } + + public static void PasswordUnlock(FamicomDumperConnection dumper, byte[] password) + { + if (password.Length != 8) + throw new InvalidDataException("Invalid password length"); + Console.Write("Unlocking password... "); + // Password Protection Set Entry + dumper.WriteCpu(0x8AAA, 0xAA); + dumper.WriteCpu(0x8555, 0x55); + dumper.WriteCpu(0x8AAA, 0x60); + // Password unlock + dumper.WriteCpu(0x8000, 0x25); + dumper.WriteCpu(0x8000, 0x03); + for (byte i = 0; i < password.Length; i++) + dumper.WriteCpu((ushort)(0x8000 + i), password[i]); + dumper.WriteCpu(0x8000, 0x29); + Console.WriteLine("OK"); + } + + public static void LockBitsCheckPrint(FamicomDumperConnection dumper) { // Lock Register Set Entry dumper.WriteCpu(0x8AAA, 0xAA); @@ -67,7 +137,7 @@ namespace com.clusterrr.Famicom dumper.WriteCpu(0x8000, 0x00); } - public static void PPBLockBitCheck(FamicomDumperConnection dumper) + public static void PPBLockBitCheckPrint(FamicomDumperConnection dumper) { // PPB Lock Command Set Entry dumper.WriteCpu(0x8AAA, 0xAA); @@ -145,7 +215,7 @@ namespace com.clusterrr.Famicom public static void PPBErase(FamicomDumperConnection dumper) { - PPBLockBitCheck(dumper); + PPBLockBitCheckPrint(dumper); Console.Write($"Erasing all PBBs... "); // PPB Command Set Entry dumper.WriteCpu(0x8AAA, 0xAA); |