private void CauseFPUException(FPUExceptionType exceptionType)
{
Boolean causeCP0Exception = false;
switch (exceptionType)
{
default: break;
case FPUExceptionType.Invalid:
{
if (MipsState.FCR31.EnableInvalidOperation)
{
MipsState.FCR31.CauseInvalidOperation = true;
causeCP0Exception = true;
}
else
{
MipsState.FCR31.FlagInvalidOperation = true;
}
break;
}
case FPUExceptionType.Inexact:
{
if (MipsState.FCR31.EnableInexact)
{
MipsState.FCR31.CauseInexact = true;
causeCP0Exception = true;
}
else
{
MipsState.FCR31.FlagInexact = true;
}
break;
}
case FPUExceptionType.DivideByZero:
{
if (MipsState.FCR31.EnableDivideByZero)
{
MipsState.FCR31.CauseDivideByZero = true;
causeCP0Exception = true;
}
else
{
MipsState.FCR31.FlagDivideByZero = true;
}
break;
}
case FPUExceptionType.Overflow:
{
if (MipsState.FCR31.EnableOverflow)
{
MipsState.FCR31.CauseOverflow = true;
causeCP0Exception = true;
}
else
{
MipsState.FCR31.FlagOverflow = true;
}
break;
}
case FPUExceptionType.Underflow:
{
if (MipsState.FCR31.EnableUnderflow)
{
MipsState.FCR31.CauseUnderflow = true;
causeCP0Exception = true;
}
else
{
MipsState.FCR31.FlagUnderflow = true;
}
break;
}
case FPUExceptionType.Unimplemented:
{
causeCP0Exception = true;
break;
}
}
if (causeCP0Exception)
CauseException = ExceptionCode.FloatingPoint;
}
private void CauseFPUException(FPUExceptionType exceptionType)
{
Boolean causeCP0Exception = false;
switch (exceptionType)
{
default: break;
case FPUExceptionType.Invalid:
{
if (MipsState.FCR31.EnableInvalidOperation)
{
MipsState.FCR31.CauseInvalidOperation = true;
causeCP0Exception = true;
}
else
{
MipsState.FCR31.FlagInvalidOperation = true;
}
break;
}
case FPUExceptionType.Inexact:
{
if (MipsState.FCR31.EnableInexact)
{
MipsState.FCR31.CauseInexact = true;
causeCP0Exception = true;
}
else
{
MipsState.FCR31.FlagInexact = true;
}
break;
}
case FPUExceptionType.DivideByZero:
{
if (MipsState.FCR31.EnableDivideByZero)
{
MipsState.FCR31.CauseDivideByZero = true;
causeCP0Exception = true;
}
else
{
MipsState.FCR31.FlagDivideByZero = true;
}
break;
}
case FPUExceptionType.Overflow:
{
if (MipsState.FCR31.EnableOverflow)
{
MipsState.FCR31.CauseOverflow = true;
causeCP0Exception = true;
}
else
{
MipsState.FCR31.FlagOverflow = true;
}
break;
}
case FPUExceptionType.Underflow:
{
if (MipsState.FCR31.EnableUnderflow)
{
MipsState.FCR31.CauseUnderflow = true;
causeCP0Exception = true;
}
else
{
MipsState.FCR31.FlagUnderflow = true;
}
break;
}
case FPUExceptionType.Unimplemented:
{
causeCP0Exception = true;
break;
}
}
if (causeCP0Exception)
{
CauseException = ExceptionCode.FloatingPoint;
}
}
