static void TestChrRam(FamicomDumperConnection dumper)
{
var rnd = new Random();
while (true)
{
var data = new byte[0x2000];
rnd.NextBytes(data);
Console.Write("Writing CHR RAM... ");
dumper.WritePpu(0x0000, data);
Console.Write("Reading CHR RAM... ");
var rdata = dumper.ReadPpu(0x0000, 0x2000);
bool ok = true;
for (int b = 0; b < 0x2000; b++)
{
if (data[b] != rdata[b])
{
Console.WriteLine($"Mismatch at {b:X4}: {rdata[b]:X2} != {data[b]:X2}");
ok = false;
}
}
if (!ok)
{
File.WriteAllBytes("chrramgood.bin", data);
Console.WriteLine("chrramgood.bin writed");
File.WriteAllBytes("chrrambad.bin", rdata);
Console.WriteLine("chrrambad.bin writed");
throw new VerificationException("Failed!");
}
Console.WriteLine("OK!");
}
}
public static byte DetectVersion(FamicomDumperConnection dumper)
{
byte version;
Console.Write("Detecting COOLBOY version... ");
// 0th CHR bank using both methods
dumper.WriteCpu(0x5000, 0, 0, 0, 0x10);
dumper.WriteCpu(0x6000, 0, 0, 0, 0x10);
// Writing 0
dumper.WritePpu(0x0000, 0);
// First CHR bank using both methods
dumper.WriteCpu(0x5000, 0, 0, 1, 0x10);
dumper.WriteCpu(0x6000, 0, 0, 1, 0x10);
// Writing 1
dumper.WritePpu(0x0000, 1);
// 0th bank using first method
dumper.WriteCpu(0x6000, 0, 0, 0, 0x10);
byte v6000 = dumper.ReadPpu(0x0000);
// return
dumper.WriteCpu(0x6000, 0, 0, 1, 0x10);
// 0th bank using second method
dumper.WriteCpu(0x5000, 0, 0, 0, 0x10);
byte v5000 = dumper.ReadPpu(0x0000);
if (v6000 == 0 && v5000 == 1)
{
version = 1;
}
else if (v6000 == 1 && v5000 == 0)
{
version = 2;
}
else
{
throw new IOException("Can't detect COOLBOY version");
}
Console.WriteLine($"Version: {version}");
return(version);
}
static void WriteEeprom(FamicomDumperConnection dumper, string fileName)
{
var nesFile = new NesFile(fileName);
var prg = new byte[0x8000];
int s = 0;
while (s < prg.Length)
{
var n = Math.Min(nesFile.PRG.Count(), prg.Length - s);
Array.Copy(nesFile.PRG.ToArray(), s % nesFile.PRG.Count(), prg, s, n);
s += n;
}
var chr = new byte[0x2000];
s = 0;
while (s < chr.Length)
{
var n = Math.Min(nesFile.CHR.Count(), chr.Length - s);
Array.Copy(nesFile.CHR.ToArray(), s % nesFile.CHR.Count(), chr, s, n);
s += n;
}
dumper.Timeout = 1000;
var buff = new byte[64];
Console.Write("Writing PRG EEPROM");
for (UInt16 a = 0; a < prg.Length; a += 64)
{
Array.Copy(prg, a, buff, 0, buff.Length);
dumper.WriteCpu((UInt16)(0x8000 + a), buff);
Thread.Sleep(3);
Console.Write(".");
}
Console.WriteLine(" OK");
Console.Write("Writing CHR EEPROM");
for (UInt16 a = 0; a < chr.Length; a += 64)
{
Array.Copy(chr, a, buff, 0, buff.Length);
dumper.WritePpu(a, buff);
Thread.Sleep(3);
Console.Write(".");
}
Console.WriteLine(" OK");
}
public static void TestChrRam(FamicomDumperConnection dumper, int count = -1, int chrSize = -1)
{
if (chrSize < 0)
{
chrSize = 256 * 1024;
}
Console.WriteLine($"Testing CHR RAM, size: {chrSize / 1024}KB");
Program.Reset(dumper);
dumper.WriteCpu(0x5007, 0x2); // enable CHR writing
var rnd = new Random();
var data = new byte[0x2000];
rnd.NextBytes(data);
Console.WriteLine("Single bank test.");
Console.Write("Writing CHR RAM... ");
dumper.WritePpu(0x0000, data);
Console.Write("Reading CHR RAM... ");
var rdata = dumper.ReadPpu(0x0000, 0x2000);
bool ok = true;
for (int b = 0; b < 0x2000; b++)
{
if (data[b] != rdata[b])
{
Console.WriteLine($"Mismatch at {b:X4}: {rdata[b]:X2} != {data[b]:X2}");
ok = false;
}
}
if (!ok)
{
File.WriteAllBytes("chrramgood.bin", data);
Console.WriteLine("chrramgood.bin writed");
File.WriteAllBytes("chrrambad.bin", rdata);
Console.WriteLine("chrrambad.bin writed");
throw new IOException("Test failed");
}
Console.WriteLine("OK");
Console.WriteLine("Multibank test.");
data = new byte[chrSize];
for (; count != 0; count--)
{
dumper.WriteCpu(0x5007, 0x2); // enable CHR writing
rnd.NextBytes(data);
for (byte bank = 0; bank < data.Length / 0x2000; bank++)
{
Console.WriteLine($"Writing CHR RAM bank #{bank}/{data.Length / 0x2000}...");
dumper.WriteCpu(0x5003, (byte)(bank & 0b00011111)); // select bank, low 5 bits
dumper.WriteCpu(0x5005, (byte)((bank & 0b00100000) << 2)); // select bank, 6th bit
var d = new byte[0x2000];
Array.Copy(data, bank * 0x2000, d, 0, 0x2000);
dumper.WritePpu(0x0000, d);
}
for (byte bank = 0; bank < data.Length / 0x2000; bank++)
{
Console.Write($"Reading CHR RAM bank #{bank}/{data.Length / 0x2000}... ");
dumper.WriteCpu(0x5003, (byte)(bank & 0b00011111)); // select bank, low 5 bits
dumper.WriteCpu(0x5005, (byte)((bank & 0b00100000) << 2)); // select bank, 6th bit
rdata = dumper.ReadPpu(0x0000, 0x2000);
ok = true;
for (int b = 0; b < 0x2000; b++)
{
if (data[b + bank * 0x2000] != rdata[b])
{
Console.WriteLine($"Mismatch at {b:X4}: {rdata[b]:X2} != {data[b + bank * 0x2000]:X2}");
ok = false;
}
}
if (!ok)
{
File.WriteAllBytes("chrramgoodf.bin", data);
Console.WriteLine("chrramgoodf.bin writed");
File.WriteAllBytes("chrrambad.bin", rdata);
Console.WriteLine("chrrambad.bin writed");
throw new IOException("Test failed");
}
Console.WriteLine("OK");
}
}
}
public LuaMapper()
{
script = new Script();
script.Globals["ReadPrg"] = script.Globals["ReadCpu"] = (Func <UInt16, int, List <byte> >) delegate(UInt16 address, int length)
{
if (Verbose)
{
Console.WriteLine("Reading {0} bytes from CPU:${1:X4}", length, address);
}
var result = new List <byte>();
result.AddRange(dumper.ReadCpu(address, length));
return(result);
};
script.Globals["WritePrg"] = script.Globals["WriteCpu"] = (Action <UInt16, List <byte> >) delegate(UInt16 address, List <byte> data)
{
if (Verbose)
{
var a = address;
foreach (var v in data)
{
Console.WriteLine("CPU write ${0:X2} => ${1:X4}", v, a);
a++;
}
}
dumper.WriteCpu(address, data.ToArray());
};
script.Globals["AddPrg"] = script.Globals["AddPrgResult"] = (Action <List <byte> >) delegate(List <byte> r)
{
resultPrg.AddRange(r);
};
script.Globals["ReadAddPrg"] = script.Globals["ReadAddCpu"] = (Action <UInt16, int>) delegate(UInt16 address, int length)
{
if (Verbose)
{
Console.WriteLine("Reading {0} bytes from CPU:${1:X4}", length, address);
}
resultPrg.AddRange(dumper.ReadCpu(address, length));
};
script.Globals["ReadChr"] = script.Globals["ReadPpu"] = (Func <UInt16, int, List <byte> >) delegate(UInt16 address, int length)
{
if (Verbose)
{
Console.WriteLine("Reading {0} bytes from PPU:${1:X4}", length, address);
}
var result = new List <byte>();
result.AddRange(dumper.ReadPpu(address, length));
return(result);
};
script.Globals["WriteChr"] = script.Globals["WritePpu"] = (Action <UInt16, List <byte> >) delegate(UInt16 address, List <byte> data)
{
if (Verbose)
{
var a = address;
foreach (var v in data)
{
Console.WriteLine("PPU write ${0:X2} => ${1:X4}", v, a);
a++;
}
}
dumper.WritePpu(address, data.ToArray());
};
script.Globals["ReadAddChr"] = script.Globals["ReadAddPpu"] = (Action <UInt16, int>) delegate(UInt16 address, int length)
{
if (Verbose)
{
Console.WriteLine("Reading {0} bytes from PPU:${1:$X4}", length, address);
}
resultChr.AddRange(dumper.ReadPpu(address, length));
};
script.Globals["AddChr"] = script.Globals["AddChrResult"] = (Action <List <byte> >) delegate(List <byte> r)
{
resultChr.AddRange(r);
};
script.Globals["Reset"] = (Action) delegate
{
if (Verbose)
{
Console.Write("Reset... ");
}
dumper.Reset();
if (Verbose)
{
Console.WriteLine("OK");
}
};
script.Globals["WriteFile"] = (Action <string, List <byte> >) delegate(string filename, List <byte> data)
{
if (Verbose)
{
Console.Write("Writing data to \"{0}\"... ", Path.GetFileName(filename));
}
File.WriteAllBytes(filename, data.ToArray());
if (Verbose)
{
Console.WriteLine("OK");
}
};
script.Globals["WriteNes"] = (WriteNesDelegate) delegate(string filename, List <byte> prgData, List <byte> chrData, byte mapper, bool vertical)
{
if (Verbose)
{
Console.Write("Writing data to NES file \"{0}\" (mapper={1}, mirroring={2})... ", Path.GetFileName(filename), mapper, vertical ? "vertical" : "horizontal");
}
var nesFile = new NesFile();
nesFile.PRG = prgData.ToArray();
nesFile.CHR = chrData.ToArray();
nesFile.Mapper = 0;
nesFile.Mirroring = vertical ? NesFile.MirroringType.Vertical : NesFile.MirroringType.Horizontal;
nesFile.Save(filename);
if (Verbose)
{
Console.WriteLine("OK");
}
};
script.Globals["Error"] = (Action <string>) delegate(string message)
{
throw new Exception(message);
};
}