e0103.cod

编译原理课程设计 PL/0语言编译程序 c++builder

=== COMPILE PL0 ===
  0 PROGRAM EX01; 
  0 VAR A,B; 
  1 BEGIN 
  2   A:=88; 
  4   B:=11; 
  6  READ(B); 
  8 IF A>B  
 10 THEN  
---------25=25 
 11   BEGIN 
 12     WRITE(A); 
 15     A:=200; 
 17     WRITE(A); 
 20   END 
 20 ELSE 
 20   BEGIN 
 21      WRITE(B); 
 24      WRITE(B*10); 
 29   END; 
 29 END. 
  0  JMP   0   1
  1  INI   0   5
  2  LIT   0  88
  3  STO   0   3
  4  LIT   0  11
  5  STO   0   4
  6  OPR   0  16
  7  STO   0   4
  8  LOD   0   3
  9  LOD   0   4
 10  OPR   0  12
 11  JPC   0  21
 12  LOD   0   3
 13  OPR   0  14
 14  OPR   0  15
 15  LIT   0 200
 16  STO   0   3
 17  LOD   0   3
 18  OPR   0  14
 19  OPR   0  15
 20  JMP   0  29
 21  LOD   0   4
 22  OPR   0  14
 23  OPR   0  15
 24  LOD   0   4
 25  LIT   0  10
 26  OPR   0   4
 27  OPR   0  14
 28  OPR   0  15
 29  OPR   0   0
~~~ RUN PL0 ~~~
? 24
88
200
~~~ END PL0 ~~~