public void LoadRom(string fileName)
{
if (this.imageStream != null)
{
this.imageStream.Close();
this.imageStream.Dispose();
}
this.imageStream = File.OpenRead(fileName);
this.reader = this.GetReader();
if (reader == null)
{
throw new InvalidOperationException("Not a valid ROM!");
}
Trace.WriteLine("Loaded ROM: {0}".FormatCurrentCulture(fileName));
Trace.WriteLine(" PRG ROM: {0} bytes".FormatCurrentCulture(this.reader.PrgRomSize));
Trace.WriteLine(" PRG RAM: {0} bytes".FormatCurrentCulture(this.reader.PrgRamSize));
Trace.WriteLine(" CHR ROM: {0} bytes".FormatCurrentCulture(this.reader.ChrRomSize));
Trace.WriteLine(" Mapper ID: {0}".FormatCurrentCulture(this.reader.Mapper));
IMapperFactory mapperFactory = this.MapperFactories.FirstOrDefault(f => f.Metadata.MapperId == this.reader.Mapper)?.Value;
if (mapperFactory == null)
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, "No mapper available with ID '{0}'!", this.reader.Mapper));
}
if (this.currentMapper != null)
{
// Dispose the old mapper to unhook it from the memory buses
this.currentMapper.Dispose();
this.currentMapper = null;
}
this.currentMapper = mapperFactory.CreateInstance(this.reader, this.cpuBus, this.ppuBus, this.irq);
Trace.WriteLine(" Mapper name: {0}".FormatCurrentCulture(this.currentMapper.Name));
}
public static IMapper CreateDefault(object config = null) => DefaultFactory.CreateInstance(config);
