private void EvaluateWord()
    {
        int r = 0;
        mBlockAddresses[(int)mCurAddress.Letter] = true;
        switch (mCurAddress.Letter)
        {
            case letters.X:
                mBlockAddresses[(int)letters.ANY] = true;
                mXpos = FormatAxis(mCurAddress.StringValue, mCurMachine.Precision);
                break;
            case letters.Y:
                mBlockAddresses[(int)letters.ANY] = true;
                mYpos = FormatAxis(mCurAddress.StringValue, mCurMachine.Precision);
                break;
            case letters.Z:
                mBlockAddresses[(int)letters.ANY] = true;
                mZpos = FormatAxis(mCurAddress.StringValue, mCurMachine.Precision);
                break;
            case letters.I:
                mBlockAddresses[(int)letters.ANY] = true;
                mI = FormatAxis(mCurAddress.StringValue, mCurMachine.Precision);
                if (mCurMachine.MachineType == MachineType.LATHEDIA)
                {
                    if (mCurMachine.AbsArcCenter)
                    {
                        mI = mI / 2;
                    }
                }
                break;
            case letters.J:
                mBlockAddresses[(int)letters.ANY] = true;
                mJ = FormatAxis(mCurAddress.StringValue, mCurMachine.Precision);
                break;
            case letters.K:
                mBlockAddresses[(int)letters.ANY] = true;
                mK = FormatAxis(mCurAddress.StringValue, mCurMachine.Precision);
                break;
            case letters.R:
                mBlockAddresses[(int)letters.ANY] = true;
                mRpoint = FormatAxis(mCurAddress.StringValue, mCurMachine.Precision);
                mArcRad = mRpoint;
                break;
            case letters.S:
                mBlockAddresses[(int)letters.ANY] = true;
                mSpeed = mCurAddress.Value;
                break;
            case letters.F:
                mBlockAddresses[(int)letters.ANY] = true;
                mFeed = mCurAddress.Value;
                break;
            case letters.T:
                mBlockAddresses[(int)letters.ANY] = true;
                mTool = mCurAddress.Value;
                break;
            default:
                if (mBlockAddresses[(int)mMotion.Rotary.Letter] == true)
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    mABC = FormatAxis(mCurAddress.StringValue, mCurMachine.RotPrecision) * 0.01745329f;
                    //Convert to radians
                    //check for -0
                    if (mCurAddress.StringValue.StartsWith("-"))
                    {
                        mRotDir = -1;
                        //CCW
                    }
                    break;
                }

                //Absolute positioning
                if (mCurAddress.Matches(mMotion.Abs))
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    mAbsolute = true;
                }
                //Incremental positioning
                else if (mCurAddress.Matches(mMotion.Inc))
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    mAbsolute = false;
                }
                else if (mCurAddress.Matches(mMotion.Rapid))
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    mMode = Motion.RAPID;
                }
                else if (mCurAddress.Matches(mMotion.Linear))
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    mMode = Motion.LINE;
                }
                //Arc clockwise
                else if (mCurAddress.Matches(mMotion.CWArc))
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    if (mPlane == Motion.XZ_PLN)
                    {
                        mMode = Motion.CCARC;
                    }
                    else
                    {
                        mMode = Motion.CWARC;
                    }
                }
                //Arc anti-clockwise
                else if (mCurAddress.Matches(mMotion.CCArc))
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    if (mPlane == Motion.XZ_PLN)
                    {
                        mMode = Motion.CWARC;
                    }
                    else
                    {
                        mMode = Motion.CCARC;
                    }
                }
                //Drill cancel found
                else if (mCurAddress.Matches(mMotion.Drills[0]))
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    mMode = Motion.RAPID;
                    if (mDrillReturnMode == Motion.I_PLN)
                    {
                        mZpos = mInitialZBeforeDrill;
                    }
                    else
                    {
                        mZpos = mRpoint;
                    }
                }
                else if (mCurAddress.Matches(mMotion.ReturnLevel[0]))
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    mDrillReturnMode = Motion.I_PLN;
                    if (mMode > Motion.CCARC)
                    {
                        mMode = (Motion)((int)Motion.HOLE_I + mDrillReturnMode);
                    }
                }
                else if (mCurAddress.Matches(mMotion.ReturnLevel[1]))
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    mDrillReturnMode = Motion.R_PLN;
                    if (mMode > Motion.CCARC)
                    {
                        mMode = (Motion)((int)Motion.HOLE_I + mDrillReturnMode);
                    }
                }
                //Plane Change G17
                else if (mCurAddress.Matches(mMotion.Plane[0]))
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    mPlane = Motion.XY_PLN;
                }
                //Plane Change G18
                else if (mCurAddress.Matches(mMotion.Plane[1]))
                {
                    mBlockAddresses[(int)letters.ANY] = true;
                    mPlane = Motion.XZ_PLN;
                }
                //Plane Change G19
                else if (mCurAddress.Matches(mMotion.Plane[2]))
                {
                    mPlane = Motion.YZ_PLN;
                    mBlockAddresses[(int)letters.ANY] = true;
                }
                else
                {
                    //Cycle through all 10 drilling cycles
                    for (r = 1; r <= mMotion.Drills.Length - 1; r++)
                    {
                        //NOT an empty field
                        if (mMotion.Drills[r].Value != 0.0f)
                        {
                            if (mCurAddress.Matches(mMotion.Drills[r]))
                            {
                                mMode = (Motion)((int)Motion.HOLE_I + mDrillReturnMode);
                                //Drill cycle found
                                if (mMode == Motion.HOLE_I)
                                {
                                    mDrillClear = mInitialZBeforeDrill;
                                }
                                if (mMode == Motion.HOLE_R)
                                {
                                    mDrillClear = mRpoint;
                                }
                                mBlockAddresses[(int)letters.ANY] = true;
                                break; // TODO: might not be correct. Was : Exit For
                            }
                        }
                    }
                }

                break;
        }
    }