protected IMemoryMapping MapPpuRange(IMemoryMappedDevice device, int startAddress, int endAddress)
{
IMemoryMapping mapping = this.PpuBus.RegisterMappedDevice(device, startAddress, endAddress);
this.ppuMappings.Add(mapping);
return(mapping);
}
public Memory(string name, IMemoryBus bus, int startAddress, int size)
{
this.Name = name;
this.contents = new byte[size];
this.bus = bus;
this.startAddress = startAddress;
this.size = size;
this.mapping = bus.RegisterMappedDevice(this, startAddress, startAddress + (size - 1));
}
void IMemoryBus.RemoveMapping(IMemoryMapping mapping)
{
MemoryMapping mappingToRemove = this.mappings.FirstOrDefault(m =>
m.Device == mapping.Device &&
m.StartAddress == mapping.StartAddress &&
m.EndAddress == mapping.EndAddress);
if (mappingToRemove != null)
{
this.mappings.Remove(mappingToRemove);
this.mappingsArray = this.mappings.ToArray();
}
}
public void Remap(int newStartAddress)
{
if (this.startAddress != newStartAddress)
{
this.startAddress = newStartAddress;
this.bus.RemoveMapping(this.mapping);
if (newStartAddress != -1)
{
this.mapping = this.bus.RegisterMappedDevice(this, this.startAddress, this.startAddress + (this.size - 1));
}
}
}
