(a) Write a code fragment which adds the 16-bit contents of SABCC (LSB)-SABCD (MSB) to SABCE-SABCF and stores it to SABCA-SABCB. (b) Write a similar code fragment which adds the 4-digit BCD contents of SBCDE (MSB)- SBCDF (LSB) to SBCEO-SBCE1 and stores it to $BCDC- SBCDD. (6min, 5.496) (a) Write a code fragment which adds the 16-bit contents of SABCC (LSB)-SABCD (MSB) to SABCE-SABCF and stores it to SABCA-SABCB. (b) Write a similar code fragment which adds the 4-digit BCD contents of SBCDE (MSB)- SBCDF (LSB) to SBCEO-SBCE1 and stores it to $BCDC- SBCDD. (6min, 5.496)