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正如我在上一个问题中最后所说的那样:

我在大学里有一个锻炼,我想得到一些帮助!首先,我是 mips 语言的新手!所以,我的练习是要求在 qtSpim 中编写一个程序,它将从控制台读取 8 个整数,然后将其保存在一个数组中到内存中,最后它将以保留顺序打印这些整数的六元组!你能帮我编码一下吗?

所以,我独自尝试了一点,这就是我到目前为止所做的:

  # $18=c

.data

myArray: .space 32

.align 2   

    str_s:  .asciiz "give me 8 numbers in 8 lines:" 
    str_nl: .asciiz "\n"



.text

    .globl main     #label "main" must be global
    .globl loop

main:

la $17, myArray

                            #BUILD THE PROMPT
    addi $2, $0, 4    # system call code for print_string
    la   $4, str_s    # pseudo-istruction: address of string
    syscall           # print the string from str_s

    add $18, $0, $0    # c=0

loop:

    addi $2, $0, 5   #system call for read_string
    syscall
    add $16, $2, $0  #copy return int from $2 to $16
    sw  $16, 0($17)  #save int from $16 to the array

    addi $18, $18, 1   # c=c+1
    bne  $18, 8, loop  #repeat while (c!=n)

loop:

j main

因此,正如您可以在第二个循环中看到的那样,我必须以相反的顺序打印数组的整数......在谷歌中我能找到的只是打印整数,但现在我有一个字符串有什么不同吗?我应该从一开始就使用整数吗?

`

4

1 回答 1

-2
.data
arr: .space 32
msg1: .asciiz "put in first integer"
msg2: .asciiz "put in second integer"
msg3: .asciiz "put in third integer"
msg4: .asciiz "put in fourth integer"
msg5: .asciiz "put in fifth integer"
msg6: .asciiz "put in sixth integer"
msg7: .asciiz "put in seventh integer"
msg8: .asciiz "put in eighth integer"
.globl main
.text
main:
la $s0, arr
li $v0, 4
la $a0, msg1
syscall

li $v0, 5
syscall
sw $v0, 28($s0)

li $v0, 4
la $a0, msg2
syscall
li $v0, 5
syscall
sw $v0, 24($s0)

li $v0, 4
la $a0, msg3
syscall
li $v0, 5
syscall
sw $v0, 20($s0)

li $v0, 4
la $a0, msg4
syscall
li $v0, 5
syscall
sw $v0, 16($s0)

li $v0, 4
la $a0, msg5
syscall
li $v0, 5
syscall
sw $v0, 12($s0)

li $v0, 4
la $a0, msg6
syscall
li $v0, 5
syscall
sw $v0, 8($s0)

li $v0, 4
la $a0, msg7
syscall
li $v0, 5
syscall
sw $v0, 4($s0)

li $v0, 4
la $a0, msg8
syscall
li $v0, 5
syscall
sw $v0, 0($s0)

li $v0, 1
lw $a0,0($s0)
syscall 

 li $v0, 1
 lw $a0,4($s0)
 syscall 

 li $v0, 1
 lw $a0,8($s0)
 syscall 

li $v0, 1
lw $a0,12($s0)
syscall 

li $v0, 1
lw $a0,16($s0)
syscall 

li $v0, 1
lw $a0,20($s0)
syscall 

 li $v0, 1
lw $a0,24($s0)
syscall 

li $v0, 1
lw $a0,28($s0)
syscall 

li $v0, 10#terminate execution
syscall

基本上,我在这里所做的是将在 arr 中创建的空间分配给 $s0,然后我使用 syscall 获取输入并将它们存储在 $s0 中,最后但并非最不重要的是我打印它们。容易很拼。

代码已修复!!

于 2016-02-29T01:26:20.903 回答