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class Coolboy : IMapper
{
public string Name { get => "AA6023B submapper 2"; }
public int Number { get => 268; }
public byte Submapper { get => 2; }
public string UnifName { get => null; }
public int DefaultPrgSize { get => 32 * 1024 * 1024; }
public int DefaultPrgRamSize { get => 8 * 1024; }
public int DefaultChrRamSize { get => 256 * 1024; }
public void DumpPrg(IFamicomDumperConnection dumper, List<byte> data, int size)
{
dumper.Reset();
int banks = size / 0x4000;
for (var bank = 0; bank < banks; bank++)
{
var r0 = (byte)(
((bank >> 3) & 0x07) // 5, 4, 3 bits
| (((bank >> 9) & 0x03) << 4) // 10, 9 bits
| (1 << 6) // resets 4th mask bit
);
var r1 = (byte)(
(((bank >> 8) & 1) << 1) // 8
| (((bank >> 7) & 1) << 2) // 7
| (((bank >> 6) & 1) << 3) // 6
| (1 << 4) // PRG mask 32KB, inverted
| (1 << 7) // resets 5th mask bit
);
var r2 = (byte)0;
var r3 = (byte)(
(1 << 4) // NROM mode
| ((bank & 7) << 1) // 2, 1, 0 bits
);
dumper.WriteCpu(0x7000, r0, r1, r2, r3);
Console.Write($"Reading PRG bank #{bank}/{banks}... ");
data.AddRange(dumper.ReadCpu(0x8000, 0x4000));
Console.WriteLine("OK");
}
}
public void EnablePrgRam(IFamicomDumperConnection dumper)
{
dumper.Reset();
dumper.WriteCpu(0xA001, 0x00);
dumper.WriteCpu(0x5003, 0x80);
dumper.WriteCpu(0xA001, 0x80);
}
public MirroringType GetMirroring(IFamicomDumperConnection dumper)
{
return MirroringType.MapperControlled;
}
}
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