##Write a program that asks the user how many sets of 2 numbers they have (n).

##input n sets of 2 numbers.

##Output in how many sets the numbers were equal

## Implement a for loop with an iterator. Also, since there apparently isn't a "is exactly equal," I will need to implement a double condition of 
## if not greater than, if not less than

## t0 = number of iterations the user wants, t1 = our internal increment counter, t2 = first number user enters
## t3 = second number user enters, t4 = the count of how many equal t2/t3 pairs there are

.globl main
.text

main:

        li $v0, 4 #we're telling the program that we are going to be outputting a string and loading it immediately
        la $a0, first_prompt #we're telling the program where to look for our message that we defined at the bottom of the program
        syscall #go do it
       
        #now, we should read in an integer as done by the user, with syscall 5
        li $v0, 5 #syscall for code 5 (reading in an integer)
        syscall #go do it
       
        move $t0, $v0 #moving the stored integer from $v0 to $t0 this will be the number of times our loop executes
        #we now stored the value that the user input in $t0
        
        li $t1, 0 #we are storing the value 0 in $t1, which will be our incrementor; every time we complete the loop, we increase it by 1
        li $t4, 0 #this is going to be how many "equal" values there are
        #syscall #go do it
        
        ##at this point, we have determined how many sets of two integers the user will want. now we loop the input and "test if equal" step
  
loop:            
        li $v0, 4 #we're telling the program that we are going to be outputting a string and loading it immediately
        la $a0, second_prompt #we're telling the program where to look for our message that we defined at the bottom of the program
        syscall #go do it
       
        #now, we should read in an integer as done by the user, with syscall 5
        li $v0, 5 #syscall for code 5 (reading in an integer)
        syscall #go do it
       
        move $t2, $v0 #moving the stored integer from $v0 to $t0 this is our first input value
        #we now stored the value that the user input in $t3
       
        li $v0, 4 #we're telling the program that we are going to be outputting a string and loading it immediately
        la $a0, third_prompt #we're telling the program where to look for our message that we defined at the bottom of the program
        syscall #go do it
       
        #now, we should read in an integer as done by the user, with syscall 5
        li $v0, 5 #syscall for code 5 (reading in an integer)
        syscall #go do it
       
        move $t3, $v0 #moving the stored integer from $v0 to $t0 this is our second input value
        #we now stored the value that the user input in $t3       				

	##for our conditional, we want to compare t2 and t3 for equality (by failing a greater than and less than test) and then incrementing t0,
	#and increment $t4 whenever the t2 and t3 are equal
	
	addi $t1, $t1, 1 #increment $t1 (our counter) by 1
	beq $t2, $t3, pass #go to pass, increase our "equality" counter and proceed
	beq $t0, $t1, fail #if the increment is equal to our initial user init, exit
	b loop
	
pass:
	addi $t4, $t4, 1 #increment our "equals" variable by 1
	beq $t0, $t1, fail #if the increment is equal to our initial user init, exit
	b loop 

fail: 
	li $v0, 4 #we're telling the program that we are going to be outputting a string and loading it immediately
        la $a0, exit_1 #we're telling the program where to look for our message that we defined at the bottom of the program
        syscall #go do it 

       
        move $a0, $t4 #move the value stored $t0 to $a0
        li $v0, 1     #tell it we're about to print an integer
        syscall      #go do it
        
       	li $v0, 4 #we're telling the program that we are going to be outputting a string and loading it immediately
        la $a0, exit_2 #we're telling the program where to look for our message that we defined at the bottom of the program
        syscall #go do it
        
        li $v0, 10 #terminate the program
        syscall #go do it       

.data
	first_prompt:
		.asciiz "Please tell me how many sets of two integers you would like to compare: "
	
	second_prompt:
		.asciiz "\nPlease input your first number: "
	
	third_prompt:
		.asciiz "\nPlease input your second number: "
	
	exit_1:
		.asciiz "\nThere were "
	
	exit_2:
		.asciiz " entries that had equal values. The program is now terminating."