diff options
Diffstat (limited to 'src/ARMeilleure/Decoders/OpCodeMemPair.cs')
| -rw-r--r-- | src/ARMeilleure/Decoders/OpCodeMemPair.cs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/ARMeilleure/Decoders/OpCodeMemPair.cs b/src/ARMeilleure/Decoders/OpCodeMemPair.cs new file mode 100644 index 00000000..21018033 --- /dev/null +++ b/src/ARMeilleure/Decoders/OpCodeMemPair.cs @@ -0,0 +1,25 @@ +namespace ARMeilleure.Decoders +{ + class OpCodeMemPair : OpCodeMemImm + { + public int Rt2 { get; } + + public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCodeMemPair(inst, address, opCode); + + public OpCodeMemPair(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode) + { + Rt2 = (opCode >> 10) & 0x1f; + WBack = ((opCode >> 23) & 0x1) != 0; + PostIdx = ((opCode >> 23) & 0x3) == 1; + Extend64 = ((opCode >> 30) & 0x3) == 1; + Size = ((opCode >> 31) & 0x1) | 2; + + DecodeImm(opCode); + } + + protected void DecodeImm(int opCode) + { + Immediate = ((long)(opCode >> 15) << 57) >> (57 - Size); + } + } +}
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