Modify the addigits.asm program such that it accepts a string from the keyboard consisting of digit and nondigit characters. The program should display the sum of the digits present in the input...

Modify the addigits.asm program such that it accepts a string from the keyboard

consisting of digit and nondigit characters. The program should display the sum of

the digits present in the input string. All nondigit characters should be ignored. For

example, if the input string is

ABC1?5wy76:˜2

the output of the program should be

sum of individual digits is: 21