private void Inst_Lb(MipsInstruction inst) { try { if (!MipsState.Operating64BitMode) { MipsState.WriteGPR32Signed(inst.Rt, DataManipulator.LoadByteSigned(ComputeAddress(inst))); } else { MipsState.WriteGPRSigned(inst.Rt, DataManipulator.LoadByteSigned(ComputeAddress(inst))); } } catch (TLBException tlbe) { switch (tlbe.ExceptionType) { case TLBExceptionType.Invalid: CauseException = ExceptionCode.Invalid; break; case TLBExceptionType.Mod: CauseException = ExceptionCode.TlbMod; break; case TLBExceptionType.Refill: CauseException = ExceptionCode.TlbStore; break; default: break; } } }