[40] Implement a guessing game in MIPS, where you pick a number between 1 and 10

Question

[40] Implement a guessing game in MIPS, where you pick a number between 1 and 100, and the computer tries to guess your number. After each guess, you should specify whether your secret number is higher or lower than the computer's guess. The computer's guess should be a random number between the known maximum and minimum values. For example, if your secret number is 55, the computer would begin by guessing a random value from 1 to 100. Depending on the result, its guess may be higher or lower than 55, to which you would input "h" or "". Let's say the computer guesses 42. You would input "h". The new lower bound is 42, and upper bound is still 100. The computer's next guess would be between 43 and 100. This continues until the computer guesses your number-for this, you will enter "X" to indicate the game is over The program should then print a message that includes the number of guesses it took (e.g. "Yay! I got it in x> tries!"). You will need to use syscalls for printing a string to the console, reading a character from the console, and generating a random number. These can be found in the syscall reference posted on Canvas. There is also a MIPS instruction reference in the book that will be useful for checking available instructions and instruction formats. 2. Partial credit will be given as follows: [5] printing to the console, [5] reading from the console into memory, [5] generating random numbers, [15] core game logic (adjusting random number bounds based on user input end of game message and # tries counter. A program that integrates all components and functions as described above will receive full credit.

Explanation / Answer

.data
result_1: .asciiz " Yay! I got it in "
result_2: .asciiz "tries"
guess: .asciiz " The guessed number : "
prompt: .asciiz " Press R for right ; H for higher ; L for lower "

number_select: .asciiz " Choose a number between 1- 100 and computer will guess it "

.text
main:
li $s0,0
li $s1,0
li $s2,100

li $v0,4
la $a0,number_select
syscall

LOOP:
move $a1, $s2
li $v0, 42 #random
syscall

move $s3,$a0

add $t1,$s3,$s1

bgt $t1,$s2,SKIP

move $s3,$t1

SKIP:   
addi $s0,$s0,1

li $v0,4
la $a0,guess
syscall

li $v0,1
move $a0,$s3
syscall

li $v0,4
la $a0,prompt
syscall

li $v0,12
syscall

move $t0,$v0

li $t1,'H'
beq $t0,$t1,HIGHER

li $t1,'L'
beq $t0,$t1,LOWER

li $t1,'R'
beq $t0,$t1,RIGHT

HIGHER:
move $s1,$s3   
j LOOP

LOWER:
move $s2,$s3
j LOOP

RIGHT:
li $v0,4
la $a0,result_1
syscall

li $v0,1
move $a0,$s0
syscall

li $v0,4
la $a0,result_2
syscall
  

EXIT:
li $v0, 10
syscall

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