/// <summary>
/// Constructs a configurable memory map of the given size
/// </summary>
/// <param name="size">Size in bytes of the memory map (min: 0x0001, max: 0x10000</param>
public ConfigurableMemoryMap(uint size)
{
if (size <= 0 || size > ushort.MaxValue + 1)
{
throw new ArgumentOutOfRangeException("size");
}
Size = size;
readMemoryHandlers = new ReadMemoryHandler[Size];
writeMemoryHandlers = new WriteMemoryHandler[Size];
memory = new byte[Size];
ResetConfiguration();
}
/// <summary>
/// Configure a memory write handler for a given memory address range
/// </summary>
/// <param name="startAddress">starting address to configure</param>
/// <param name="length">length of the address range to configure</param>
/// <param name="writeMemoryHandler">delegate to handle memory writes at the given address range</param>
public void ConfigureMemoryWriteRange(ushort startAddress, ushort length, WriteMemoryHandler writeMemoryHandler)
{
int endAddressExclusive = startAddress + length;
if (endAddressExclusive > Size)
{
throw new ArgumentOutOfRangeException("length");
}
for (ushort address = startAddress; address < endAddressExclusive; address++)
{
writeMemoryHandlers[address] = writeMemoryHandler;
}
}
/// <summary>
/// Configure a memory write handler for a given memory address
/// </summary>
/// <param name="address">Memory address to associate to the write handler</param>
/// <param name="writeMemoryHandler">delegate to handle memory writes at the given address</param>
public void ConfigureMemoryWrite(ushort address, WriteMemoryHandler writeMemoryHandler)
{
writeMemoryHandlers[address] = writeMemoryHandler;
}
/// <summary>
/// Configure memory read and write handlers for a given memory address
/// </summary>
/// <param name="address">Memory address to associate to the handlers</param>
/// <param name="readMemoryHandler">delegate to handle memory reads at the given address</param>
/// <param name="writeMemoryHandler">delegate to handle memory writes at the given address</param>
public void ConfigureMemoryAccess(ushort address, ReadMemoryHandler readMemoryHandler, WriteMemoryHandler writeMemoryHandler)
{
readMemoryHandlers[address] = readMemoryHandler;
writeMemoryHandlers[address] = writeMemoryHandler;
}
