bd9ac0fdaa
* Decoders: Make IsThumb a function of OpCode32 * OpCode32: Fix GetPc * T32: Implement B, B.cond, BL, BLX * rm usings
29 lines
905 B
C#
29 lines
905 B
C#
using ARMeilleure.Instructions;
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namespace ARMeilleure.Decoders
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{
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class OpCodeT32BImm20 : OpCodeT32, IOpCode32BImm
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{
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public long Immediate { get; }
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public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCodeT32BImm20(inst, address, opCode);
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public OpCodeT32BImm20(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
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{
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uint pc = GetPc();
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int imm11 = (opCode >> 0) & 0x7ff;
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int j2 = (opCode >> 11) & 1;
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int j1 = (opCode >> 13) & 1;
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int imm6 = (opCode >> 16) & 0x3f;
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int s = (opCode >> 26) & 1;
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int imm32 = imm11 | (imm6 << 11) | (j1 << 17) | (j2 << 18) | (s << 19);
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imm32 = (imm32 << 13) >> 12;
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Immediate = pc + imm32;
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Cond = (Condition)((opCode >> 22) & 0xf);
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}
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}
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} |