Question

This is 80x86 assembly language. we are using visual basic to write codes. Question: programming exercise 5.5(2) from Second Edition of Introduction to 80x86 Assembly Language and Computer Architecture
write a program that uses a dialog box to input a string of characters into charStr, recalling that the input macro terminates a string with a null byte(00). Process this string as an array of characters, replacing each uppercase letter in charStr by its lowercase equivalent, leaving each uppercase letters unchanged. use a message box to display the modified string.