private void Inst_Lh(MipsInstruction inst)
{
try
{
Int64 address = ComputeAddress(inst);
if ((address & 3) != 0)
{
CauseException = ExceptionCode.AddressErrorLoad;
return;
}
if (!MipsState.Operating64BitMode)
{
MipsState.WriteGPR32Signed(inst.Rt, DataManipulator.LoadHalfwordSigned(address));
}
else
{
MipsState.WriteGPRSigned(inst.Rt, DataManipulator.LoadHalfwordSigned(address));
}
}
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;
}
}
}