static void ProcessPacked(GifPacket packet, GsProcessor processor)
{
DataReader reader = new DataReader(packet.Data);
if (!packet.IgnorePrimField)
{
throw new NotSupportedException("Unsupported PRIM field");
}
for (int i = 0; i < packet.Loops; i++)
{
foreach (var register in packet.Registers)
{
switch (register)
{
case GifRegisters.APlusD:
ulong data = reader.ReadUInt64();
byte regAddress = (byte)(reader.ReadUInt64() & 0xFF);
processor.AddOperation(regAddress, data);
break;
default:
throw new NotSupportedException("Unsupported register");
}
}
}
}
static void ProcessImage(GifPacket packet, GsProcessor processor)
{
DataReader reader = new DataReader(packet.Data);
for (int i = 0; i < packet.Loops; i++)
{
processor.AddOperation(0x54, reader.ReadUInt64());
processor.AddOperation(0x54, reader.ReadUInt64());
}
}
public void SendOperationsToGs(GsProcessor processor)
{
foreach (var packet in Packets)
{
if (packet.Kind == GifPacketKind.Packed)
{
ProcessPacked(packet, processor);
}
else if (packet.Kind == GifPacketKind.Image)
{
ProcessImage(packet, processor);
}
else
{
throw new NotSupportedException("Unsupported GIF packet");
}
}
}
public static void TransferPsmCt32(GsProcessor proc, uint[] data)
{
byte[] blockArrament =
{
0, 1, 4, 5, 16, 17, 20, 21,
2, 3, 6, 7, 18, 19, 22, 23,
8, 9, 12, 13, 24, 25, 28, 29,
10, 11, 14, 15, 26, 27, 30, 31
};
byte[] pixelArrament =
{
0, 1, 4, 5, 8, 9, 12, 13,
2, 3, 6, 7, 10, 11, 14, 15
};
// Only for Host2Local
int startX = proc.TrxPos.DestinationPosX;
int startY = proc.TrxPos.DestinationPosY;
int bufferWidth = proc.BitBlfBuf.DestinationBufferWidth;
uint startPointer = proc.BitBlfBuf.DestinationBufferPointer;
for (int x = startX; x < startX + proc.TrxReg.Width; x++)
{
for (int y = startY; y < startY + proc.TrxReg.Height; y++)
{
int posX = x;
int posY = y;
// Get the position of the page and get relative positions;
int pageX = posX / 64;
int pageY = posY / 32;
int page = pageX + pageY * bufferWidth / 64;
posX %= 64;
posY %= 32;
// Get the position of the block and get relative positions;
int blockX = posX / 8;
int blockY = posY / 8;
int block = blockArrament[blockY * 8 + blockX];
posX %= 8;
posY %= 8;
// Get the position of the column and get relative positions;
int column = posY / 2;
posY %= 2;
// Get the position of the pixel
int pixel = pixelArrament[posY * 8 + posX];
// Get the two type of positions
int lineal = y * proc.TrxReg.Width + x;
int twoDim = page * (64 * 32) + block * (8 * 8) + column * (8 * 2) + pixel;
// Transfer
if (proc.TrxDir.Direction == Registers.TransmissionDirection.Host2Local)
{
proc.Memory[startPointer + lineal] = data[twoDim];
}
else
{
throw new NotSupportedException();
}
}
}
}
