public void WriteWord(int address, int width, int value)
{
Debug.Assert(address > 0x20);
if ((address >= 0x08000000) && (address < 0x9FFFFFF))
{
address -= 0x08000000;
fixed(byte *basePointer = _mainMemory)
{
byte *ptr = basePointer + address;
if (width == 4)
{
int *p = ( int * )ptr;
* p = value;
}
else if (width == 1)
{
*ptr = ( byte )value;
}
else if (width == 2)
{
short *p = ( short * )ptr;
* p = ( short )value;
}
else
{
Debug.Assert(false, "Unsupported width");
}
}
}
else if ((address >= 0x00010000) && (address < 0x00013FFF))
{
address -= 0x00010000;
fixed(byte *basePointer = _scratchPad)
{
byte *ptr = basePointer + address;
if (width == 4)
{
int *p = ( int * )ptr;
* p = value;
}
else if (width == 1)
{
*ptr = ( byte )value;
}
else if (width == 2)
{
short *p = ( short * )ptr;
* p = ( short )value;
}
else
{
Debug.Assert(false, "Unsupported width");
}
}
}
else if ((address >= 0x04000000) && (address < 0x041FFFFF))
{
if (_frameBuffer != null)
{
_frameBuffer.WriteWord(address, width, value);
}
else
{
address -= 0x04000000;
fixed(byte *basePointer = _frameBufferBytes)
{
byte *ptr = basePointer + address;
if (width == 4)
{
int *p = ( int * )ptr;
* p = value;
}
else if (width == 1)
{
*ptr = ( byte )value;
}
else if (width == 2)
{
short *p = ( short * )ptr;
* p = ( short )value;
}
else
{
Debug.Assert(false, "Unsupported width");
}
}
}
}
else
{
Debugger.Break();
}
//if( this->MemoryChanged != nullptr )
//this->MemoryChanged( this, address, width, value );
}
