Fatorial #2 com MIPS Assembly

.data

prompt: .asciiz "Entre com num: "

factMsg: .asciiz "Fatorial = "

num: .word 0

.text

la $a0, prompt

li $v0, 4

syscall

li $v0, 5

syscall

sw $v0, num

move $a0, $v0

la $a0, factMsg

li $v0, 4

syscall

lw $a0, num

jal fact

move $a0, $v0

li $v0, 1

syscall

li $v0, 10

syscall

fact:

li $t0, 1

move $t1 $a0, 

loop:

beq $t1, $zero, exit

mul $t0, $t0, $t1

addi $t1, $t1, -1

j loop

exit:

move $v0, $t0

jr $ra

Simulador MARS 4.0