diff options
Diffstat (limited to 'ChocolArm64/Decoders/OpCode32Mem.cs')
| -rw-r--r-- | ChocolArm64/Decoders/OpCode32Mem.cs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/ChocolArm64/Decoders/OpCode32Mem.cs b/ChocolArm64/Decoders/OpCode32Mem.cs new file mode 100644 index 00000000..ed648a5f --- /dev/null +++ b/ChocolArm64/Decoders/OpCode32Mem.cs @@ -0,0 +1,37 @@ +using ChocolArm64.Instructions; + +namespace ChocolArm64.Decoders +{ + class OpCode32Mem : OpCode32, IOpCode32Mem + { + public int Rt { get; private set; } + public int Rn { get; private set; } + + public int Imm { get; protected set; } + + public bool Index { get; private set; } + public bool Add { get; private set; } + public bool WBack { get; private set; } + public bool Unprivileged { get; private set; } + + public bool IsLoad { get; private set; } + + public OpCode32Mem(Inst inst, long position, int opCode) : base(inst, position, opCode) + { + Rt = (opCode >> 12) & 0xf; + Rn = (opCode >> 16) & 0xf; + + bool isLoad = (opCode & (1 << 20)) != 0; + bool w = (opCode & (1 << 21)) != 0; + bool u = (opCode & (1 << 23)) != 0; + bool p = (opCode & (1 << 24)) != 0; + + Index = p; + Add = u; + WBack = !p || w; + Unprivileged = !p && w; + + IsLoad = isLoad || inst.Emitter == InstEmit32.Ldrd; + } + } +}
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