public static byte DetectVersion(IFamicomDumperConnection 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 InvalidDataException("Can't detect COOLBOY version");
}
Console.WriteLine($"Version: {version}");
return(version);
}
void Run(IFamicomDumperConnection dumper, string[] args)
{
int count = -1;
if (args.Any())
{
count = int.Parse(args.First());
}
var rnd = new Random();
while (count != 0)
{
var data = new byte[0x2000];
rnd.NextBytes(data);
Console.Write("Writing CHR RAM... ");
dumper.WritePpu(0x0000, data);
Console.Write("Reading CHR RAM... ");
var rdata = dumper.ReadPpu(0x0000, 0x2000);
bool ok = true;
for (int b = 0; b < 0x2000; b++)
{
if (data[b] != rdata[b])
{
Console.WriteLine($"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 InvalidDataException("Failed!");
}
Console.WriteLine("OK!");
count--;
}
}
public static void TestChrRam(IFamicomDumperConnection dumper, int count, int chrSize)
{
Console.WriteLine($"Testing CHR RAM, size: {chrSize / 1024}KB");
Console.Write("Reset... ");
dumper.Reset();
Console.WriteLine("OK");
dumper.WriteCpu(0x5007, 0x2); // enable CHR writing
var rnd = new Random();
var data = new byte[0x2000];
rnd.NextBytes(data);
Console.WriteLine("Single bank test.");
Console.Write("Writing CHR RAM... ");
dumper.WritePpu(0x0000, data);
Console.Write("Reading CHR RAM... ");
var rdata = dumper.ReadPpu(0x0000, 0x2000);
bool ok = true;
for (int b = 0; b < 0x2000; b++)
{
if (data[b] != rdata[b])
{
Console.WriteLine($"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 InvalidDataException("Test failed");
}
Console.WriteLine("OK");
}
}
}