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2052612_CC02_Assignment.asm
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2052612_CC02_Assignment.asm
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.data
array: .asciiz "| | | |\n| | | |\n| | | |\n"
Input: .asciiz "Player please pick your move (1-9): "
Invalid: .asciiz "Invalid! Please choose again!\n"
playerX: .asciiz "X"
playerO: .asciiz "O"
line: .asciiz "\n"
winx: .asciiz "\nPlayer X is the Champion.\n"
wino: .asciiz "\nPlayer O is the Champion.\n"
Tie: .asciiz "\nIt is a Tie."
Option: .asciiz "\n\nAgain? 1-YES | 2-NO \nYour choice: "
num1: .byte '1'
num2: .byte '2'
num3: .byte '3'
num4: .byte '4'
num5: .byte '5'
num6: .byte '6'
num7: .byte '7'
num8: .byte '8'
num9: .byte '9'
.text
main:
move $t1, $zero #reset value to 0
move $t2, $zero #each spot has it own counter
move $t3, $zero
move $t4, $zero
move $t5, $zero
move $t6, $zero
move $t7, $zero
move $t8, $zero
move $t9, $zero
move $s1, $zero #move count
la $s2, array
la $s3, Input
lb $a1, num1
sb $a1, 2($s2)
lb $a1, num2
sb $a1, 6($s2)
lb $a1, num3
sb $a1, 10($s2)
lb $a1, num4
sb $a1, 16($s2)
lb $a1, num5
sb $a1, 20($s2)
lb $a1, num6
sb $a1, 24($s2)
lb $a1, num7
sb $a1, 30($s2)
lb $a1, num8
sb $a1, 34($s2)
lb $a1, num9
sb $a1, 38($s2)
print:
li $v0, 4
la $a0, line
syscall
li $v0, 4
la $a0, array
syscall
beq $s1, 9, tie
rem $t0, $s1, 2
addi $s1, $s1, 1
bne $t0, $zero, MoveO
j MoveX
MoveX:
lb $a1, playerX
sb $a1, 7($s3)
j tictac
MoveO:
lb $a1, playerO
sb $a1, 7($s3)
j tictac
tictac:
li $v0, 4
la $a0, Input
syscall
li $v0, 5
syscall
move $s5, $v0
beq $s5, 1, Lmeo1
beq $s5, 2, Lmeo2
beq $s5, 3, Lmeo3
beq $s5, 4, Lmeo4
beq $s5, 5, Lmeo5
beq $s5, 6, Lmeo6
beq $s5, 7, Lmeo7
beq $s5, 8, Lmeo8
beq $s5, 9, Lmeo9
j invalid
Lmeo1:
bne $t1, $zero, invalid
bne $t0, $zero, O1
j X1
X1:
addi $t1, $t1, 1
sb $a1, 2($s2)
j wincondition
O1:
addi $t1, $t1, -1
sb $a1, 2($s2)
j wincondition
Lmeo2:
bne $t2, $zero, invalid
bne $t0, $zero, O2
j X2
X2:
addi $t2, $t2, 1
sb $a1, 6($s2)
j wincondition
O2:
addi $t2, $t2, -1
sb $a1, 6($s2)
j wincondition
Lmeo3:
bne $t3, $zero, invalid
bne $t0, $zero, O3
j X3
X3:
addi $t3, $t3, 1
sb $a1, 10($s2)
j wincondition
O3:
addi $t3, $t3, -1
sb $a1, 10($s2)
j wincondition
Lmeo4:
bne $t4, $zero, invalid
bne $t0, $zero, O4
j X4
X4:
addi $t4, $t4, 1
sb $a1, 16($s2)
j wincondition
O4:
addi $t4, $t4, -1
sb $a1, 16($s2)
j wincondition
Lmeo5:
bne $t5, $zero, invalid
bne $t0, $zero, O5
j X5
X5:
addi $t5, $t5, 1
sb $a1, 20($s2)
j wincondition
O5:
addi $t5, $t5, -1
sb $a1, 20($s2)
j wincondition
Lmeo6:
bne $t6, $zero, invalid
bne $t0, $zero, O6
j X6
X6:
addi $t6, $t6, 1
sb $a1, 24($s2)
j wincondition
O6:
addi $t6, $t6, -1
sb $a1, 24($s2)
j wincondition
Lmeo7:
bne $t7, $zero, invalid
bne $t0, $zero, O7
j X7
X7:
addi $t7, $t7, 1
sb $a1, 30($s2)
j wincondition
O7:
addi $t7, $t7, -1
sb $a1, 30($s2)
j wincondition
Lmeo8:
bne $t8, $zero, invalid
bne $t0, $zero, O8
j X8
X8:
addi $t8, $t8, 1
sb $a1, 34($s2)
j wincondition
O8:
addi $t8, $t8, -1
sb $a1, 34($s2)
j wincondition
Lmeo9:
bne $t9, $zero, invalid
bne $t0, $zero, O9
j X9
X9:
addi $t9, $t9, 1
sb $a1, 38($s2)
j wincondition
O9:
addi $t9, $t9, -1
sb $a1, 38($s2)
j wincondition
wincondition:
move $s6, $zero
add $s6, $t1, $t4
add $s6, $s6, $t7
beq $s6, 3, winX
beq $s6, -3, winO
move $s6, $zero
add $s6, $t2, $t5
add $s6, $s6, $t8
beq $s6, 3, winX
beq $s6, -3, winO
move $s6, $zero
add $s6, $t3, $t6
add $s6, $s6, $t9
beq $s6, 3, winX
beq $s6, -3, winO
move $s6, $zero
add $s6, $t1, $t2
add $s6, $s6, $t3
beq $s6, 3, winX
beq $s6, -3, winO
move $s6, $zero
add $s6, $t4, $t5
add $s6, $s6, $t6
beq $s6, 3, winX
beq $s6, -3, winO
move $s6, $zero
add $s6, $t7, $t8
add $s6, $s6, $t9
beq $s6, 3, winX
beq $s6, -3, winO
move $s6, $zero
add $s6, $t1, $t5
add $s6, $s6, $t9
beq $s6, 3, winX
beq $s6, -3, winO
move $s6, $zero
add $s6, $t3, $t5
add $s6, $s6, $t7
beq $s6, 3, winX
beq $s6, -3, winO
j print
invalid:
li $v0, 4
la $a0, Invalid
syscall
j tictac
winX:
li $v0, 4
la $a0, array
syscall
li $v0, 4
la $a0, winx
syscall
j endgame
winO:
li $v0, 4
la $a0, array
syscall
li $v0, 4
la $a0, wino
syscall
j endgame
tie:
li $v0, 4
la $a0, Tie
syscall
endgame:
li $v0, 4
la $a0, Option
syscall
li $v0, 5
syscall
beq $v0, 1, main
beq $v0, 2, realend
li $v0, 4
la $a0, Invalid
syscall
j endgame
realend:
li $v0, 10
syscall