diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /src/ARMeilleure/Decoders/OpCode32BImm.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'src/ARMeilleure/Decoders/OpCode32BImm.cs')
| -rw-r--r-- | src/ARMeilleure/Decoders/OpCode32BImm.cs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/ARMeilleure/Decoders/OpCode32BImm.cs b/src/ARMeilleure/Decoders/OpCode32BImm.cs new file mode 100644 index 00000000..f2959b33 --- /dev/null +++ b/src/ARMeilleure/Decoders/OpCode32BImm.cs @@ -0,0 +1,29 @@ +namespace ARMeilleure.Decoders +{ + class OpCode32BImm : OpCode32, IOpCode32BImm + { + public long Immediate { get; } + + public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32BImm(inst, address, opCode); + + public OpCode32BImm(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode) + { + uint pc = GetPc(); + + // When the condition is never, the instruction is BLX to Thumb mode. + if (Cond != Condition.Nv) + { + pc &= ~3u; + } + + Immediate = pc + DecoderHelper.DecodeImm24_2(opCode); + + if (Cond == Condition.Nv) + { + long H = (opCode >> 23) & 2; + + Immediate |= H; + } + } + } +}
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