QtSpim写MIPS报错spim parser syntax error等各种错误的解决方法

QtSpim写MIPS报错spim parser syntax error等各种错误的解决方法

1. spim: (parser) syntax error on line 2 of file xxx
   .word 10,11,12,13,14,15,16,17,18
        ^
   line 2:

   A:  .word 10,11,12,13,14,15,16,17,18

   改为

   A:  .word 10, 11, 12, 13, 14, 15, 16, 17, 18

   或

   A:  .word 10:18

    

2. spim: (parser) syntax error on line 5 of file xxx
   j:  .word 0
     ^
   line 5:

   j:  .word 0

   改为

   J:  .word 0

3. spim: (parser) Label is defined for the second time on line 8 of file xxx
   main:
       ^
   line 8:

   main:

   根据CS 265 George Mason University D. Nordstrom的A Quick Introduction to SPIM，在QtSpim的菜单栏File->Reinitialize and Load File后即可解决该问题。

4. spim: (parser) syntax error on line 14 of file xxx
   lw $t2,$t1($s5)
         ^
   line 14:

   lw $t2,$t1($s5)

   改为

   add $t1,$s5,$t1
   lw $t2,0($t1)

5. Attempt to execute non-instruction at 0x00400030
   根据Attempt to execute non-instruction in mips assembler?在.s文件代码最后一行添加

   jr $ra