e01.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 --A; 
 12 WRITE(A); 
 15 A--; 
 19 WRITE(A); 
 22 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  LIT   0   1
 10  OPR   0   3
 11  STO   0   3
 12  LOD   0   3
 13  OPR   0  14
 14  OPR   0  15
 15  LOD   0   3
 16  LIT   0   1
 17  OPR   0   3
 18  STO   0   3
 19  LOD   0   3
 20  OPR   0  14
 21  OPR   0  15
 22  OPR   0   0
~~~ RUN PL0 ~~~
? 4
87
86
~~~ END PL0 ~~~