pluseq.cod

编译原理课程设计

=== COMPILE PL0 ===
  0 PROGRAM EX01; 
  0 VAR A,B; 
  1 BEGIN 
  2   READ(A); 
  4   READ(B); 
  6   B+=A; 
 10   A+=A; 
 14   WRITE(B); 
 17   WRITE(A) 
 19 END. 
  0  JMP   0   1
  1  INI   0   5
  2  OPR   0  16
  3  STO   0   3
  4  OPR   0  16
  5  STO   0   4
  6  LOD   0   4
  7  LOD   0   3
  8  OPR   0   2
  9  STO   0   4
 10  LOD   0   3
 11  LOD   0   3
 12  OPR   0   2
 13  STO   0   3
 14  LOD   0   4
 15  OPR   0  14
 16  OPR   0  15
 17  LOD   0   3
 18  OPR   0  14
 19  OPR   0  15
 20  OPR   0   0
~~~ RUN PL0 ~~~
? 7
? 3
10
14
~~~ END PL0 ~~~