45 lines
1.3 KiB
NASM
45 lines
1.3 KiB
NASM
.data
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str1: .asciiz "Introduza um numero: "
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str2: .asciiz "Valor ignorado\n"
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str3: .asciiz "A soma dos positivos e: "
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.eqv print_string,4
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.eqv read_int,5
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.eqv print_int,1
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.text
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.globl main
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# Mapa de registos:
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# soma: $t0
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# valor: $t1
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# i: $t2
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main: li $t2,0 # i=0
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li $t0,0 # soma=0
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for: bge $t2,5,endfor # while (i<5) do {
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li $v0,print_string
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la $a0,str1
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syscall # printf("Introduza um numero: ")
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li $v0,read_int
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syscall # scanf("%d",&valor)
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move $t1,$v0 # valor=scanf("%d",&valor)
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if: ble $t1,0,else # if (valor<0) then {
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add $t0,$t0,$t1 # soma+=valor
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addi $t2,$t2,1 # i+=1
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j endif
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else: li $v0,print_string
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la $a0,str2
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syscall # printf("Valor ignorado\n")
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endif: j for # }
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endfor: li $v0,print_string
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la $a0,str3
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syscall # printf("A soma dos positivos e: %d\n",soma")
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li $v0,print_int
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move $a0,$t0
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syscall # printf("%d\n",soma)
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jr $ra # }
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