我无法使用 MARS 读取或写入文件 - mips

I can't read or write a file using MARS - mips

我尝试使用以下代码打开一个新文件进行写入,从内存缓冲区向其写入文本,然后关闭它。我相信应该在保存 MARS 脚本的目录中自动创建 txt 文件,但是没有文件。 $v0 不是负数,所以我认为没有发生错误。有谁知道可能是什么问题?

        .data
fout:   .asciiz "testout.txt"      # filename for output
buffer: .asciiz "The quick brown fox jumps over the lazy dog."
        .text
  ###############################################################
  # Open (for writing) a file that does not exist
  li   $v0, 13       # system call for open file
  la   $a0, fout     # output file name
  li   $a1, 1        # Open for writing (flags are 0: read, 1: write)
  li   $a2, 0        # mode is ignored
  syscall            # open a file (file descriptor returned in $v0)
  move $s6, $v0      # save the file descriptor 
  ###############################################################
  # Write to file just opened
  li   $v0, 15       # system call for write to file
  move $a0, $s6      # file descriptor 
  la   $a1, buffer   # address of buffer from which to write
  li   $a2, 44       # hardcoded buffer length
  syscall            # write to file
  ###############################################################
  # Close the file 
  li   $v0, 16       # system call for close file
  move $a0, $s6      # file descriptor to close
  syscall            # close file
  ###############################################################

问题的原因在于路径:fout: .asciiz "testout.txt"。它需要是带有双 \ 而不是 \:

的完整路径

fout:.asciiz "C:\Users\Angry\Desktop\testout.txt"