protected void InitializeFIFO()
{
FIFO_Memory = new Cosmos.Core.MemoryBlock(ReadRegister(Register.MemStart), ReadRegister(Register.MemSize));
FIFO_Memory[(uint)FIFO.Min] = (uint)Register.FifoNumRegisters * sizeof(uint);
FIFO_Memory[(uint)FIFO.Max] = FIFO_Memory.Size;
FIFO_Memory[(uint)FIFO.NextCmd] = FIFO_Memory[(uint)FIFO.Min];
FIFO_Memory[(uint)FIFO.Stop] = FIFO_Memory[(uint)FIFO.Min];
WriteRegister(Register.ConfigDone, 1);
}
public NVIDIA9500MGS(PCIDevice host) : base(host)
{
Label = "NVIDIA 9500MGS";
instance = this;
Settings.EnterVideoMode = EnterGraphicsMode;
host.EnableMemory(true);
uint basePort = ((PCIDeviceNormal)host).BaseAddresses[0].BaseAddress();
IndexPort = ((ushort)(basePort + (uint)IOPortOffset.Index));
ValuePort = ((ushort)(basePort + (uint)IOPortOffset.Value));
BiosPort = ((ushort)(basePort + (uint)IOPortOffset.Bios));
IRQPort = ((ushort)(basePort + (uint)IOPortOffset.IRQ));
WriteRegister(Register.ID, (uint)ID.V2);
if (ReadRegister(Register.ID) != (uint)ID.V2)
{
return;
}
VIDEO_MEMORY = new Cosmos.Core.MemoryBlock(ReadRegister(Register.FrameBufferStart), ReadRegister(Register.VRamSize));
capabilities = ReadRegister(Register.Capabilities);
InitializeFIFO();
}
