public void calculate_shell_bytes()
{
/*
* Subtype 2 objects are those with an index >= 0xFC
*
* 1st, 2nd, & 3rd bytes: Third Byte Second Byte Byte
* ffdd dddd eeee cccc aaaa aabb
*
* The a bits are unused, but after all they are the marker for this type of object
* subtype.
*
* The b, c, e, and f bits are transformed into a VRAM tilemap address:
*
* 000c cccf fbbe eee0
*
* Might I add this is one messed up format?
*
* The d bits are used as an index into the table at $8470. Since such indicies
* are going to be even, the d bits are transformed into: 0000 0000 0ddd ddd0
*/
//byte[] bytes = { 0x2E, 0x98, 0xFF };
//var f = (bytes[2] & 0xC0) >> 6;
//var d = (bytes[2] & 0x3F);
//var e = ((bytes[1] & 0xF0) >> 4);
//var c = (bytes[1] & 0x0F);
//var a = ((bytes[0] & 0xFC) >> 2);
//var b = (bytes[0] & 0x03);
//var vramAddress = (c << 9) | (f << 7) | (b << 5) | (e << 1);
//output.WriteLine($"f:{f.ToString("X")} d:{d.ToString("X")} e:{e.ToString("X")} c:{c.ToString("X")} a:{a.ToString("X")} b:{b.ToString("X")} vram:{vramAddress.ToString("X")}");
SubType2Object trinexx = new SubType2Object(new byte[] { 0x2E, 0x98, 0xFF });
output.WriteLine($"oid:{trinexx.OID.ToString("X3")}, x:{trinexx.XCoord.ToString("X2")}, y:{trinexx.YCoord.ToString("X2")}");
SubType2Object trinexxFromCoord = new SubType2Object(0x0B, 0x26, 0xFF2);
output.WriteLine($"bytes:{trinexxFromCoord.Bytes[0].ToString("X2")}, {trinexxFromCoord.Bytes[1].ToString("X2")}, {trinexxFromCoord.Bytes[2].ToString("X2")}, ");
//var oid = ((bytes[2] << 4) | 0x80 | (((bytes[1] & 0x03) << 2) | ((bytes[0] & 0x03))) );
//var posX = (byte)((bytes[0] & 0xFC) >> 2);
//var posY = (byte)((bytes[1] & 0xFC) >> 2);
//var sizeX = (byte)((bytes[0] & 0x03));
//var sizeY = (byte)((bytes[1] & 0x03));
//var sizeXY = (byte)(((sizeX << 2) + sizeY));
//var b1 = ((posX << 2) & 0xFC) | (oid & 0x03);
//var b2 = ((posY << 2) & 0xFC) | ((oid >> 2) & 0x03); ;
//var b3 = 0xF0 | ((oid >> 4) & 0x0F);
//output.WriteLine($"oid:{oid.ToString("X")}, x:{posX.ToString("X")}, y:{posY.ToString("X")}, x(tile):{(posX/16).ToString("X")}, y(tile):{(posY/16).ToString("X")}");
//output.WriteLine($"{b1.ToString("X2")}, {b2.ToString("X2")}, {b3.ToString("X2")}");
}
public void calculate_shell_bytes2()
{
SubType2Object trinexx = new SubType2Object(new byte[] { 0xB1, 0xA8, 0xFF });
//SubType2Object trinexx = new SubType2Object(new byte[] { 0x6E, 0x48, 0xFF }); // 6E 48 FF // x1B, y12, 0FF:2
//SubType2Object trinexx = new SubType2Object(new byte[] { 0x61, 0x51, 0xFF });
//SubType2Object trinexx = new SubType2Object(new byte[] { 0x2E, 0x98, 0xFF });
output.WriteLine($"oid:{trinexx.OID.ToString("X3")}, x:{trinexx.XCoord.ToString("X2")}, y:{trinexx.YCoord.ToString("X2")}");
SubType2Object trinexxFromCoord = new SubType2Object(0x0B, 0x26, 0xFF2);
output.WriteLine($"bytes:{trinexxFromCoord.Bytes[0].ToString("X2")}, {trinexxFromCoord.Bytes[1].ToString("X2")}, {trinexxFromCoord.Bytes[2].ToString("X2")}, ");
SubType2Object kholdstareFromCoord = new SubType2Object(0x2B, 0x08, 0xF95);
output.WriteLine($"bytes:{kholdstareFromCoord.Bytes[0].ToString("X2")}, {kholdstareFromCoord.Bytes[1].ToString("X2")}, {kholdstareFromCoord.Bytes[2].ToString("X2")}, ");
}
