CodeSoFar

.data
str1: .asciiz "\nEnter a number.\n"
str2: .asciiz "The number "
str3: .asciiz " has "
str4: .asciiz " divisors."
str5: .asciiz "The factorial of "
str6: .asciiz " is "
str7: .asciiz "."
str8: .asciiz "The sum from 1 to "
str9: .asciiz "The number needs to be a positive and whole."

.text
.globl main

main:
	loop:
		li $v0, 4
		la $a0, str1
		syscall

		li $v0, 5
		syscall

		move $t0, $v0

		blez $t0, error

		add $a0, $v0, $0
		jal even_or_odd

		even_or_odd:
			addi $t0, $0, 2
			div $a0, $t0
			mfhi $s0
			beq $s0, $0, even
			j odd

		even:
			move $t0, $v0

			li $t1, 0
			li $t2, 0
			divs:
				addi $t1, $t1, 1
				div $t0, $t1
				mfhi $s0
				beqz $s0, sum_of_divs
				jal divs

			sum_of_divs:
				add $t2, $t2, 1
				blt $t1, $t0, divs
				beq $t1, $t0, print_divs

			print_divs:
				li $v0, 4
				la $a0, str2
				syscall

				li $v0, 1
				move $a0, $t0
				syscall

				li $v0, 4
				la $a0, str3
				syscall

				li $v0, 1
				move $a0, $t2
				syscall

				li $v0, 4
				la $a0, str4
				syscall

			j loop

		odd:
			move $t0, $v0
			blt $t0, 10, less_than_10
			bge $t0, 10, greater_than_10

			less_than_10:
				move $t0, $v0
				li $t1, 1
				li $t2, 0

				factorial:
					addi $t2, $t2, 1
					mul $t1, $t1, $t2
					blt $t2, $t0, factorial

					j print_factorial

				print_factorial:
					li $v0, 4
					la $a0, str5
					syscall

					li $v0, 1
					move $a0, $t0
					syscall

					li $v0, 4
					la $a0, str6
					syscall

					li $v0, 1
					move $a0, $t1
					syscall

					li $v0, 4
					la $a0, str7
					syscall

				j loop

			greater_than_10:
				move $t0, $v0
				li $t1, 0
				li $t2, 0
				sum:
					addi $t1, $t1, 1
					add $t2, $t2, $t1
					blt $t1, $t0, sum

					j print_sum

				print_sum:
					li $v0, 4
					la $a0, str8
					syscall

					li $v0, 1
					move $a0, $t0
					syscall

					li $v0, 4
					la $a0, str6
					syscall

					li $v0, 1
					move $a0, $t2
					syscall

					li $v0, 4
					la $a0, str7
					syscall

				j loop

error:
	li $v0, 4
	la $a0, str9
	syscall

exit:
	li $v0, 10
	syscall