// ----- Client Debugging API stuff -----
unsafe MemoryDomain MakeMemoryDomain(string name, LibsnesApi.SNES_MEMORY id, MemoryDomain.Endian endian)
{
int size = api.QUERY_get_memory_size(id);
int mask = size - 1;
bool pow2 = Util.IsPowerOfTwo(size);
//if this type of memory isnt available, dont make the memory domain (most commonly save ram)
if (size == 0)
{
return(null);
}
byte *blockptr = api.QUERY_get_memory_data(id);
MemoryDomain md;
if (id == LibsnesApi.SNES_MEMORY.OAM)
{
//OAM is actually two differently sized banks of memory which arent truly considered adjacent.
//maybe a better way to visualize it is with an empty bus and adjacent banks
//so, we just throw away everything above its size of 544 bytes
if (size != 544)
{
throw new InvalidOperationException("oam size isnt 544 bytes.. wtf?");
}
md = new MemoryDomain(name, size, endian,
(addr) => (addr < 544) ? blockptr[addr] : (byte)0x00,
(addr, value) => { if (addr < 544)
{
blockptr[addr] = value;
}
}
);
}
else if (pow2)
{
md = new MemoryDomain(name, size, endian,
(addr) => blockptr[addr & mask],
(addr, value) => blockptr[addr & mask] = value);
}
else
{
md = new MemoryDomain(name, size, endian,
(addr) => blockptr[addr % size],
(addr, value) => blockptr[addr % size] = value);
}
_memoryDomains.Add(md);
return(md);
}
private unsafe void MakeMemoryDomain(string name, LibsnesApi.SNES_MEMORY id, MemoryDomain.Endian endian, int byteSize = 1)
{
int size = Api.QUERY_get_memory_size(id);
// if this type of memory isn't available, don't make the memory domain (most commonly save ram)
if (size == 0)
{
return;
}
byte *blockPtr = Api.QUERY_get_memory_data(id);
var md = new MemoryDomainIntPtrMonitor(name, MemoryDomain.Endian.Little, (IntPtr)blockPtr, size,
id != LibsnesApi.SNES_MEMORY.CARTRIDGE_ROM, // hack: for just this one memory area, it will be readonly
byteSize, Api);
_memoryDomainList.Add(md);
}