fattoriale

fattoriale iterativo

factorial:
	subi $sp, $sp, 4
	sw $a0, ($sp)

li $v0, 1

While:
	blez $a0, Endwhile
	mul $v0, $v0, $a0
	sub $a0, $a0, 1
	j While

Endwhile:
	lw $a0, ($sp)
	addi $sp, $sp,4 
	jr $ra

factorial:
	blez $a0, BaseCase

RecursiveStep:
	subi $sp, $sp, 8
	sw, $ra, 0($sp)
	sw $a0, 4($sp)


	subi $a0, $a0, 1
	jal factorial #recursive call

	lw $a0, 4($sp)
	lw $ra, 0($sp)
	addi $sp, $sp, 8

	mul $v0, $v0 $a0
	
	jr $ra
	
BaseCase:
	addi $v0, $zero, 1
	
	jr $ra