}//SetCPUMode
/// <summary>
/// Restore the cpu back to its original mode before the interrupt occurred.
/// Retrieve the cpsr back from the spsr table based on the current cpu mode and restore cpsr.
/// Based on the mode in the cpsr, switch the cpu back to that mode.
/// </summary>
public void RestoreCPUMode()
{
//retrieve the original cpsr back from the spsr table
uint cpsr = _spsr[(int)mCPUMode.Mode];
Flags = cpsr;
//switch the cpu back to the original mode from the mode bits in the cpsr
mCPUMode = CPUMode.bitsTocpuMode(cpsr);
} //SetCPUModeReturn
