Question

7) Write a program to open an input dialog box and read a string value. Write the string back to
the user using a message box.

USING MIPS ASSEMBLY LANGUAGE

Answer 1

# Code:

.data
   # prompt message for user
   prompt: .asciiz "Please write a string: "
   # space to store user response
   userResponse: .space 100
.text
   .globl main
main:
   # Getting user input in dialog box
   la $a0, prompt # loads address of the prompt message
   la $a1, userResponse # loads address of the space
   li $a2, 100 # the limit of user response
   li $v0, 54   # syscall code for InputDialogBox
   syscall
  
   # Printing the string back on message box
   la $a0, userResponse # address of string to be displayed
   li $a1, 1   # type of message 1 means "Informational message"
   li $v0, 55   # syscall code for messageBox
   syscall
  
   # Exit the program
   li $v0, 10
   syscall

OUTPUT:

# Input Box

# Output box