.data
maze: .asciiz “n##########n#*1342171#n#01#####1#n#84#19224#n####1####
.data
maze: .asciiz “n##########n#*1342171#n#01#####1#n#84#19224#n####1#####n#11#12561#n#16#####1#n#64131281#n##1#######n#2647893E#n##########n”
win_msg: .asciiz “You win!n”
prompt: .asciiz “Enter move (w/a/s/d): ”
invalid_move: .asciiz “Invalid move!n”
current_sum_msg: .asciiz “Current Sum: ”
correct_answers_msg: .asciiz “Correct Answers: ”
final_sum_msg: .asciiz “Final Sum: ”
final_correct_answers_msg: .asciiz “Total Correct Answers: ”
time_msg: .asciiz “Time taken (seconds): ”
newline: .asciiz “n”
sum_prompt: .asciiz “What is the sum of ”
question_mark: .asciiz “?n”
debug_msg: .asciiz “Debug: Reached En”
debug_start_time_msg: .asciiz “Debug: Start time: ”
debug_end_time_msg: .asciiz “Debug: End time: ”
fireworks1: .asciiz “n* * *n * * *n *n * * *n* * *n”
fireworks2: .asciiz “n *n ***n *****n*******n *****n ***n *n”
fireworks3: .asciiz “n *n * *n * *n* *n * *n * *n *n”
beep6: .byte 77
duration6: .byte 500
instrument6: .byte 83
volume6: .byte 100
input_buffer: .space 20
maze_width: .word 10
maze_height: .word 10
player_x: .word 1
player_y: .word 1
current_sum: .word 0
correct_answers: .word 0
start_time: .word 0
end_time: .word 0
.text
main:
# Initialize player position
la $t0, player_x
la $t1, player_y
li $t2, 1
sw $t2, 0($t0)
sw $t2, 0($t1)
# Initialize game stats
la $t3, current_sum
sw $zero, 0($t3)
la $t3, correct_answers
sw $zero, 0($t3)
# Get start time
li $v0, 30
syscall
la $t4, start_time
sw $v0, 0($t4)
# Debug start time
la $a0, debug_start_time_msg
li $v0, 4
syscall
lw $a0, start_time
li $v0, 1
syscall
# Print newline
la $a0, newline
li $v0, 4
syscall
# Print initial maze
la $a0, maze
li $v0, 4
syscall
# Display initial sum and correct answers
jal display_stats
game_loop:
# Load player position
lw $t0, player_x
lw $t1, player_y
# Calculate player position in the maze string
la $t9, maze
li $t4, 11 # Each row is 11 characters including newline
mul $t5, $t0, $t4 # Row offset
add $t5, $t5, $t1 # Column offset
add $t5, $t5, $t9 # Final address in maze string
# Restore original maze character (if not starting position)
bne $t0, 1, not_starting_pos
bne $t1, 1, not_starting_pos
j skip_restore
not_starting_pos:
li $t6, ‘ ‘ # Assuming empty space
sb $t6, 0($t5)
skip_restore:
# Prompt for move
la $a0, prompt
li $v0, 4
syscall
# Read user input
li $v0, 12
syscall
move $t3, $v0
# Validate user input
li $t7, ‘w’
li $t8, ‘a’
li $t9, ‘s’
li $t0, ‘d’
beq $t3, $t7, process_input
beq $t3, $t8, process_input
beq $t3, $t9, process_input
beq $t3, $t0, process_input
j invalid
process_input:
# Calculate new position based on input
lw $t0, player_x
lw $t1, player_y
move $t4, $t0
move $t5, $t1
beq $t3, ‘w’, move_up
beq $t3, ‘a’, move_left
beq $t3, ‘s’, move_down
beq $t3, ‘d’, move_right
move_up:
sub $t4, $t0, 1
j validate_move
move_down:
add $t4, $t0, 1
j validate_move
move_left:
sub $t5, $t1, 1
j validate_move
move_right:
add $t5, $t1, 1
j validate_move
validate_move:
# Check boundaries
lw $t6, maze_width
lw $t7, maze_height
bltz $t4, invalid
bltz $t5, invalid
bge $t4, $t7, invalid
bge $t5, $t6, invalid
# Calculate maze index
li $t8, 11 # Each row is 11 characters including newline
mul $t8, $t8, $t4 # Row offset
add $t8, $t8, $t5 # Column offset
# Check maze value at new position
la $t9, maze
add $t9, $t9, $t8
lb $t9, 0($t9)
# Debug print to show the character at the new position
move $a0, $t9
li $v0, 11 # Print character at new position
syscall
# Check if move is valid
beq $t9, ‘#’, invalid
# Update player position
sw $t4, player_x
sw $t5, player_y
# Check if player reached the end
beq $t9, ‘E’, win
# Prompt for sum input if moving to a number
sub $t6, $t9, ‘0’ # Convert character to number
bltz $t6, skip_update
bgt $t6, 9, skip_update
# Display the question “What is the sum of X?”
la $a0, sum_prompt
li $v0, 4
syscall
# Display the number
move $a0, $t6
add $a0, $a0, ‘0’ # Convert to ASCII character
li $v0, 11
syscall
# Display the question mark
la $a0, question_mark
li $v0, 4
syscall
# Read sum input as a string
la $a0, input_buffer
li $a1, 20
li $v0, 8
syscall
# Parse and evaluate the input
la $t0, input_buffer
# Read first number
lb $t1, 0($t0)
sub $t1, $t1, ‘0’ # Convert ASCII to integer
# Skip ‘+’ character
lb $t2, 1($t0)
beq $t2, ‘+’, skip_plus
j invalid
skip_plus:
# Read second number
lb $t2, 2($t0)
sub $t2, $t2, ‘0’ # Convert ASCII to integer
# Calculate the sum of the input numbers
add $t3, $t1, $t2
# Check if the sum is correct
lw $t8, current_sum
add $t8, $t8, $t6
bne $t3, $t6, invalid
# Update current sum and correct answers if correct
sw $t8, current_sum
lw $t7, correct_answers
addi $t7, $t7, 1
sw $t7, correct_answers
# Play sound for correct answer
la $a0, beep6
la $a1, duration6
la $a2, instrument6
la $a3, volume6
# Load the value of “beep” into $a0
lb $a0, 0($a0)
lb $a1, 0($a1)
lb $a2, 0($a2)
lb $a3, 0($a3)
# Make the system call to play the sound
li $v0, 31
syscall
# Display fireworks
jal display_fireworks
skip_update:
# Calculate the new position in the maze string
la $t9, maze
lw $t0, player_x
lw $t1, player_y
li $t4, 11 # Each row is 11 characters including newline
mul $t5, $t0, $t4 # Row offset
add $t5, $t5, $t1 # Column offset
add $t5, $t5, $t9 # Final address in maze string
# Update the player’s position in the maze
li $t6, ‘*’
sb $t6, 0($t5)
# Print maze
la $a0, maze
li $v0, 4
syscall
# Display current sum and correct answers
jal display_stats
j game_loop
invalid:
la $a0, invalid_move
li $v0, 4
syscall
j game_loop
win:
# Get end time
li $v0, 30
syscall
la $t4, end_time
sw $v0, 0($t4)
# Debug end time
la $a0, debug_end_time_msg
li $v0, 4
syscall
lw $a0, end_time
li $v0, 1
syscall
# Print newline
la $a0, newline
li $v0, 4
syscall
# Debug message to indicate we have reached the win condition
la $a0, debug_msg
li $v0, 4
syscall
# Display win message
la $a0, win_msg
li $v0, 4
syscall
# Display final sum
la $a0, final_sum_msg
li $v0, 4
syscall
lw $a0, current_sum
li $v0, 1
syscall
# Print newline
la $a0, newline
li $v0, 4
syscall
# Display final correct answers count
la $a0, final_correct_answers_msg
li $v0, 4
syscall
lw $a0, correct_answers
li $v0, 1
syscall
# Print newline
la $a0, newline
li $v0, 4
syscall
# Calculate and display time taken
la $t4, start_time
lw $t0, 0($t4)
la $t4, end_time
lw $t1, 0($t4)
sub $t2, $t1, $t0 # Calculate elapsed time
la $a0, time_msg
li $v0, 4
syscall
move $a0, $t2
li $v0, 1
syscall
# Print newline
la $a0, newline
li $v0, 4
syscall
j end_game
display_stats:
# Display current sum
la $a0, current_sum_msg
li $v0, 4
syscall
lw $a0, current_sum
li $v0, 1
syscall
# Display correct answers count
la $a0, correct_answers_msg
li $v0, 4
syscall
lw $a0, correct_answers
li $v0, 1
syscall
# Print newline
la $a0, newline
li $v0, 4
syscall
jr $ra
display_fireworks:
# Generate a random number
li $v0, 42 # Random number syscall
syscall
# Make sure the random number is positive
abs $v0, $v0 # Absolute value
# Ensure the random number is within bounds
li $t1, 3
rem $t0, $v0, $t1 # Get a value between 0 and 2
beq $t0, 0, fireworks1_display
beq $t0, 1, fireworks2_display
j fireworks3_display
fireworks1_display:
la $a0, fireworks1
li $v0, 4
syscall
j fireworks_end
fireworks2_display:
la $a0, fireworks2
li $v0, 4
syscall
j fireworks_end
fireworks3_display:
la $a0, fireworks3
li $v0, 4
syscall
fireworks_end:
jr $ra
end_game:
# End the game by exiting the program
li $v0, 10
syscall
i have this code is a maze game project i add a sound code and whenit ask me the sum of number and i answer it i get error
but if i take the sound code of it works. CAN YOU FIX THE CODE ?