newtest1.cod

PL/0语言是Pascal语言的一个子集

=== COMPILE PL0 ===
  0 PROGRAM EX0111; 
  0 VAR A,B,C; 
  1 BEGIN 
  2   A:=88; 
  4   read(B); 
  6   C:=A-B; 
 10   A--; 
 14  WRITE(A); 
 17   IF B<>0 THEN 
 20   C+=A+B 
 24   ELSE 
 27   C-=A*B; 
 34   WRITE(C) 
 36 END. 
  0  JMP   0   1
  1  INI   0   6
  2  LIT   0  88
  3  STO   0   3
  4  OPR   0  16
  5  STO   0   4
  6  LOD   0   3
  7  LOD   0   4
  8  OPR   0   3
  9  STO   0   5
 10  LOD   0   3
 11  LIT   0   1
 12  OPR   0   3
 13  STO   0   3
 14  LOD   0   3
 15  OPR   0  14
 16  OPR   0  15
 17  LOD   0   4
 18  LIT   0   0
 19  OPR   0   9
 20  JPC   0  28
 21  LOD   0   5
 22  LOD   0   3
 23  LOD   0   4
 24  OPR   0   2
 25  OPR   0   2
 26  STO   0   5
 27  JMP   0  34
 28  LOD   0   5
 29  LOD   0   3
 30  LOD   0   4
 31  OPR   0   4
 32  OPR   0   3
 33  STO   0   5
 34  LOD   0   5
 35  OPR   0  14
 36  OPR   0  15
 37  OPR   0   0
~~~ RUN PL0 ~~~
? 0
87
88
~~~ END PL0 ~~~