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fibonacci.s
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fibonacci.s
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.text
.globl main
main:
li $t0, 0
li $t1, 1
li $v0,4
la $a0, question
syscall
li $v0,5
syscall
move $t7,$v0
move $t6,$v0
move $t5,$v0
move $t8,$v0
li $v0,4
la $a0,anwser
syscall
li $v0,1
move $a0,$t6
syscall
li $v0,4
la $a0, colon
syscall
li $v0,4
la $a0, newline
syscall
#bgt $t7,45,error
beq $t7,0,result
beq $t7,1,fibonacciof1
bgt $t7,1,different0
fibonacciof1:
li $v0,4
la $a0, para00
syscall
li $v0,10
syscall
calculate:
ble $t8, 1, different0
li $v0,4
la $a0, drawf1
syscall
li $v0,1
move $a0,$t8
syscall
li $v0,4
la $a0, drawf2
syscall
li $v0,1
add $t8, $t8, -1
move $a0, $t8
syscall
li $v0,4
la $a0, drawf3
syscall
li $v0,1
add $t8, $t8, -1
move $a0, $t8
syscall
li $v0,4
la $a0, drawf4
syscall
move $t8, $t7
different0:
bne $t7,$zero, fibonacci
li $v0, 4
la $a0, para1
syscall
move $v0,$t0
result:
li $v0,4
la $a0, anwserfinal1
syscall
li $v0,1
move $a0,$t5
syscall
li $v0,4
la $a0, anwserfinal2
syscall
li $v0,1
move $a0,$t0
syscall
li $v0,4
la $a0, dot
syscall
li $v0, 10
syscall
fibonacci:
addu $t7,$t7,-1
addu $t2,$t0,$t1
move $t0,$t1
move $t1,$t2
j calculate
.data
question: .asciiz "Insert a number to calculate the fibonnaci sequence, f(x): "
anwser: .asciiz "Calculating the fibonacci sequence of "
colon: .asciiz ":"
newline: .asciiz "\n"
drawf1: .asciiz "F("
drawf2: .asciiz ") = f("
drawf3: .asciiz ") + f("
drawf4: .asciiz ")\n"
anwserfinal1: .asciiz "F("
anwserfinal2: .asciiz ") is "
dot: .asciiz "."
para0: .asciiz "F(0) = 0\n"
para00: .asciiz "The result of the operation F(1) = 1.\n"
para1: .asciiz "F(1) = 1\nF(0) = 0\n"
error: .asciiz "ERROR: Number must be <= 45\n\n"