Ryujinx/ARMeilleure/Decoders/OpCode32SimdMemImm.cs
2022-09-10 23:03:14 -03:00

40 lines
1.2 KiB
C#

namespace ARMeilleure.Decoders
{
class OpCode32SimdMemImm : OpCode32, IOpCode32Simd
{
public int Vd { get; }
public int Rn { get; }
public int Size { get; }
public bool Add { get; }
public int Immediate { get; }
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdMemImm(inst, address, opCode, false);
public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdMemImm(inst, address, opCode, true);
public OpCode32SimdMemImm(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode)
{
IsThumb = isThumb;
Immediate = opCode & 0xff;
Rn = (opCode >> 16) & 0xf;
Size = (opCode >> 8) & 0x3;
Immediate <<= (Size == 1) ? 1 : 2;
bool u = (opCode & (1 << 23)) != 0;
Add = u;
bool single = Size != 3;
if (single)
{
Vd = ((opCode >> 22) & 0x1) | ((opCode >> 11) & 0x1e);
}
else
{
Vd = ((opCode >> 18) & 0x10) | ((opCode >> 12) & 0xf);
}
}
}
}