.data
PROMPTA: .asciiz "Enter how many integers you will be entering: "
PROMPTB: .asciiz "Enter an integer: "
NEWLINE: .asciiz "\n"
LARGEST: .asciiz "The largest integer is: "
SMALLEST: .asciiz "The smallest integer is: "
SUM: .asciiz "The sum of the integers is: "
AVERAGE: .asciiz "The average of the integers is: "
.text

main:
la $a0 PROMPTA #Get the number of integers to be entered
li $v0 4
syscall
li $v0 5
syscall
move $a0 $v0 #Put the number into a0 for the first function call
add $s0 $s0 $a0 #Put it into a register that saves across function calls as well for the second call

LS:
jal largestSmallest #Get the largest and smallest ($v0 and $v1, respectively) integers from what the user enters
move $t1 $v0
move $t2 $v1
la $a0 LARGEST #Print out the largest integer
li $v0 4
syscall
move $a0 $t1
li $v0 1
syscall
la $a0 NEWLINE
li $v0 4
syscall
la $a0 SMALLEST #Print out the smallest integer
li $v0 4
syscall
move $a0 $t2
li $v0 1
syscall
la $a0 NEWLINE
li $v0 4
syscall
move $a0 $s0 #Put the number of integers to enter back into $a0 for the second function call

SA:
jal sumAverage #Get the sum and average ($v0 and $v1, respectively) of what the user enters, without the decimal
move $t1 $v0
move $t2 $v1
la $a0 SUM #Print out the sum of the integers
li $v0 4
syscall
move $a0 $t1
li $v0 1
syscall
la $a0 NEWLINE
li $v0 4
syscall
la $a0 AVERAGE #Print out the average of the integers
li $v0 4
syscall
move $a0 $t2
li $v0 1
syscall

EXIT:
li $v0 10 #Exit the program
syscall

largestSmallest:
addi $t8 $a0 0 #$t8 is our counter, as a0 is used for printing we need to move it
addi $t1 $t1 -32768 #$t1 is for our largest integer, starting at the minimum it can be
addi $t2 $t2 32767 #$t2 is for our smallest integer, starting at the maximum it can be

LOOPLS:
la $a0 PROMPTB #Print out the get integer prompt
li $v0 4
syscall
li $v0 5
syscall
move $t0 $v0 #Store the input into $t0 to check against max/min
addi $t8 $t8 -1 #Decrease our counter
blt $t0 $t2 LESS #If $t0 (input) < $t2 (smallest), set $t2 <- $t0
bge $t0 $t1 GREATER #Elif $t0 (input) >= $t1 (largest), set $t1 <- $t0

GREATER:
move $t1 $t0 #Set $t1 <- $t0 (largest)
blez $t8 RET #If all integers have been input, break and return the largest and smallest
b LOOPLS

LESS:
move $t2 $t0 #Set $t2 <- $t0 (smallest)
blez $t8 RET #If all integers have been input, break and return the largest and smallest
b LOOPLS

RET:
move $v0 $t1 #$v0 <- $t1; $v0 is the largest integer
move $v1 $t2 #$v1 <- $t2; $v1 is the smallest integer
jr $ra #Return

sumAverage:
addi $t9 $a0 0 #$t9 is our counter, as $a0 is used for printing we need to move it

LOOPSA:
blez $t9 RETURN #Check before anything to see if we need to return the sum and average
la $a0 PROMPTB #Print out the get integer prompt
li $v0 4
syscall
li $v0 5
syscall
add $t3 $t3 $v0 #$t3 is our summation register
addi $t9 $t9 -1 #Decrement our counter
b LOOPSA

RETURN:
move $v0 $t3 #$v0 <- $t3; $v0 is the sum
div $t3 $s0 #$t3/$s0; $s0 still contains the number of integers per line
mflo $v1 #The quotient of the above division is in LOW, so $v1 <- LOW; $v1 is the average
jr $ra #Return