namespace ARMeilleure.Decoders { class OpCodeBReg : OpCode { public int Rn { get; } public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCodeBReg(inst, address, opCode); public OpCodeBReg(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode) { int op4 = (opCode >> 0) & 0x1f; int op2 = (opCode >> 16) & 0x1f; if (op2 != 0b11111 || op4 != 0b00000) { Instruction = InstDescriptor.Undefined; return; } Rn = (opCode >> 5) & 0x1f; } } }