1. Write a program that prompts the user to enter two unsigned hex numbers, 0 to FFFFh, and prints their sum in hex on the next line. If the user enters an illegal character, he or she should be prompted to begin again. Your program should be able to handle the possibility of unsigned overflow. Each input ends with a carriage return.

2. Write a program that prompts the user to enter a string of decimal digits, ending with a carriage return, and print their sum in hex on the next line. If the user enters an illegal character, he or she should be prompted to begin again.

Do both codes in emu 8086 assembly language and share the output screenshots.