private void _Patch(PspMemory PspMemory)
{
uint Info = this.Code & 0x0FFFFFFF;
//uint Address = 0x08804000 + Info;
uint Address = 0x08800000 + Info;
try
{
switch (OpCode)
{
// [t]8-bit Constant Write 0x0aaaaaaa 0x000000dd
case 0x0:
PspMemory.WriteSafe(Address, (byte)BitUtils.Extract(Values[0], 0, 8));
break;
// [t]16-bit Constant write 0x1aaaaaaa 0x0000dddd
case 0x1:
PspMemory.WriteSafe(Address, (ushort)BitUtils.Extract(Values[0], 0, 16));
break;
// [t]32-bit Constant write 0x2aaaaaaa 0xdddddddd
case 0x2:
PspMemory.WriteSafe(Address, (uint)BitUtils.Extract(Values[0], 0, 32));
break;
// 32-bit Multi-Address Write/Value increase 0x4aaaaaaa 0xxxxxyyyy 0xdddddddd 0xIIIIIIII
case 0x4:
{
var Count = BitUtils.Extract(Values[0], 16, 16);
var Increment = BitUtils.Extract(Values[0], 0, 16);
var Value = BitUtils.Extract(Values[1], 0, 32);
var IncrementValue = BitUtils.Extract(Values[2], 0, 32);
for (int n = 0; n < Count; n++)
{
PspMemory.WriteSafe((uint)(Address + n * Increment), (uint)(Value + IncrementValue * n));
}
}
break;
case 0x8:
// 16-bit Multi-Address Write/Value increas 0x8aaaaaaa 0xxxxxyyyy 0x1000dddd 0xIIIIIIII
if (BitUtils.Extract(Values[1], 28, 4) == 1)
{
var Count = BitUtils.Extract(Values[0], 16, 16);
var Increment = BitUtils.Extract(Values[0], 0, 16);
var Value = BitUtils.Extract(Values[1], 0, 16);
var IncrementValue = BitUtils.Extract(Values[2], 0, 32);
for (int n = 0; n < Count; n++)
{
PspMemory.WriteSafe((uint)(Address + n * Increment), (ushort)(Value + IncrementValue * n));
}
}
// 8-bit Multi-Address Write/Value increase 0x8aaaaaaa 0xxxxxyyyy 0x000000dd 0xIIIIIIII
else
{
var Count = BitUtils.Extract(Values[0], 16, 16);
var Increment = BitUtils.Extract(Values[0], 0, 16);
var Value = BitUtils.Extract(Values[1], 0, 8);
var IncrementValue = BitUtils.Extract(Values[2], 0, 32);
for (int n = 0; n < Count; n++)
{
PspMemory.WriteSafe((uint)(Address + n * Increment), (byte)(Value + IncrementValue * n));
}
}
break;
// 16-bit XOR - 0x7aaaaaaa 0x0005vvvv
// 8-bit XOR - 0x7aaaaaaa 0x000400vv
// 16-bit AND - 0x7aaaaaaa 0x0003vvvv
// 8-bit AND - 0x7aaaaaaa 0x000200vv
// 16-bit OR - 0x7aaaaaaa 0x0001vvvv
// 8-bit OR - 0x7aaaaaaa 0x000000vv
case 0x7:
{
uint SubOpCode = (Values[0] >> 16) & 0xFFFF;
uint SubValue = (Values[0] >> 0) & 0xFFFF;
switch (SubOpCode)
{
// 8-bit OR - 0x7aaaaaaa 0x000000vv
case 0:
PspMemory.WriteSafe(Address, (byte)(PspMemory.ReadSafe<byte>(Address) | (SubValue & 0xFF)));
break;
default:
Console.Error.WriteLine("Invalid CWCheatOpCode: 0x{0:X} : 0x{1:X}", OpCode, SubOpCode);
break;
}
}
break;
default:
Console.Error.WriteLine("Invalid CWCheatOpCode: 0x{0:X}", OpCode);
break;
}
}
catch (Exception Exception)
{
throw (new Exception(String.Format("At Address: 0x{0:X}", Address), Exception));
}
}
