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How to Write a Text-Based Game in MIPS Assembly

Are you ready to embark on an exciting journey into the world of low-level programming? Explore this comprehensive guide that will walk you through the process of developing a captivating text-based game using the MIPS assembly language. Whether you're a seasoned programmer or just starting, our step-by-step instructions will help you create a simple guessing game that will amaze and challenge players. Let's dive in together and bring your assembly programming skills to life!

Creating Text Games in MIPS Assembly

Explore our step-by-step guide on how to write a text-based game in MIPS assembly. Whether you're new to programming or seeking to enhance your skills, our comprehensive guide provides valuable insights to craft engaging games. If you need assistance with your Assembly Language assignment, our guide offers a foundation to tackle challenges and create captivating projects.

Prerequisites: Your Starting Point

Before you begin, it's essential to have a basic understanding of MIPS assembly language and programming concepts. Knowledge of concepts like branching, system calls, and data manipulation will give you a solid foundation for crafting your game.

Step 1: Setting Up Your Environment

The first step is to create a suitable environment for your MIPS assembly code. You can use an MIPS simulator such as SPIM or MARS (MIPS Assembler and Runtime Simulator). These tools provide a user-friendly interface to write, assemble, and run your assembly programs.

Step 2: Defining Data and Messages

To make your game engaging, start by defining the strings your game will display. These strings include prompts, messages for correct and wrong guesses, and any other necessary information.

```assembly .data prompt: .asciiz "Guess a number between 1 and 10: " correctMsg: .asciiz "You guessed correctly.\n" wrongMsg: .asciiz "Wrong guess. Try again.\n" newline: .asciiz "\n" ```

Step 3: Crafting the Main Game Loop

The heart of your game lies in the main loop where players will interact with your creation. Here's a glimpse into how you can structure this vital component:

```assembly .text .globl main main: # Display the prompt li $v0, 4 # System call code for printing a string la $a0, prompt # Load the address of the prompt string syscall # Receive player input li $v0, 5 # System call code for reading an integer syscall move $t0, $v0 # Store player's guess in $t0 # Generate a random number li $t1, 10 # Load 10 into $t1 li $v0, 42 # System call code for generating a random integer syscall addi $t2, $v0, 1 # Store the generated random number (1 to 10) in $t2 # Compare the player's guess with the random number beq $t0, $t2, correctGuess j wrongGuess correctGuess: # Display the correct guess message li $v0, 4 # System call code for printing a string la $a0, correctMsg # Load the address of the correct message string syscall j exit wrongGuess: # Display the wrong guess message li $v0, 4 # System call code for printing a string la $a0, wrongMsg # Load the address of the wrong message string syscall j main # Restart the game exit: li $v0, 10 # System call code for program exit syscall ```

Step 4: Understanding the Code

  • The game begins by displaying the prompt for the player to guess a number.
  • The player's input is received and stored in `$t0`.
  • A random number between 1 and 10 is generated and stored in `$t2`.
  • The player's guess is compared with the random number. If correct, the `correctGuess` block displays the correct guess message and exits. If incorrect, the `wrongGuess` block displays an error message and restarts the game loop.

Step 5: Testing and Refining

After assembling your code using the chosen simulator, run the game to ensure everything functions as intended. Feel free to make adjustments to enhance the user experience or add complexity to the gameplay.

Step 6: Unleash Your Creativity

This basic example is just the tip of the iceberg. From here, you can expand your game by adding features like multiple rounds, score tracking, diverse game modes, or more intricate gameplay mechanics. The realm of possibilities is boundless, limited only by your imagination and coding prowess.


In conclusion, this guide has provided you with a solid foundation for creating a captivating text-based game using MIPS assembly. By following our step-by-step instructions, you've learned how to set up your environment, define data and messages, craft the main game loop, and refine your code. This rewarding journey not only enhances your assembly programming skills but also opens doors to further exploration, where you can expand your game's complexity and inspire others to dive into the intriguing realm of low-level game development.