yusuanfu.cod

为PL0编译器

=== COMPILE PL0 ===
  0 PROGRAM EX01; 
  0 VAR A,B,C,D; 
  1 BEGIN 
  2   A:=10; 
  4   B:=10; 
  6   C:=5; 
  8   D:=5; 
 10   A++; 
 14   B--; 
 18   C+=A; 
 22   D-=B; 
 26   WRITE(A); 
 29   WRITE(B); 
 32   WRITE(C); 
 35   WRITE(D); 
 38   A:=A++; 
 44   B:=B--; 
 50   C+=A+A*B; 
 58   D-=A-A/B; 
 66   WRITE(A); 
 69   WRITE(B); 
 72   WRITE(C); 
 75   WRITE(D) 
 77 END. 
  0  JMP   0   1
  1  INI   0   7
  2  LIT   0  10
  3  STO   0   3
  4  LIT   0  10
  5  STO   0   4
  6  LIT   0   5
  7  STO   0   5
  8  LIT   0   5
  9  STO   0   6
 10  LOD   0   3
 11  LIT   0   1
 12  OPR   0   2
 13  STO   0   3
 14  LOD   0   4
 15  LIT   0   1
 16  OPR   0   3
 17  STO   0   4
 18  LOD   0   5
 19  LOD   0   3
 20  OPR   0   2
 21  STO   0   5
 22  LOD   0   6
 23  LOD   0   4
 24  OPR   0   3
 25  STO   0   6
 26  LOD   0   3
 27  OPR   0  14
 28  OPR   0  15
 29  LOD   0   4
 30  OPR   0  14
 31  OPR   0  15
 32  LOD   0   5
 33  OPR   0  14
 34  OPR   0  15
 35  LOD   0   6
 36  OPR   0  14
 37  OPR   0  15
 38  LOD   0   3
 39  LIT   0   1
 40  OPR   0   2
 41  STO   0   3
 42  LOD   0   3
 43  STO   0   3
 44  LOD   0   4
 45  LIT   0   1
 46  OPR   0   3
 47  STO   0   4
 48  LOD   0   4
 49  STO   0   4
 50  LOD   0   5
 51  LOD   0   3
 52  LOD   0   3
 53  LOD   0   4
 54  OPR   0   4
 55  OPR   0   2
 56  OPR   0   2
 57  STO   0   5
 58  LOD   0   6
 59  LOD   0   3
 60  LOD   0   3
 61  LOD   0   4
 62  OPR   0   5
 63  OPR   0   3
 64  OPR   0   3
 65  STO   0   6
 66  LOD   0   3
 67  OPR   0  14
 68  OPR   0  15
 69  LOD   0   4
 70  OPR   0  14
 71  OPR   0  15
 72  LOD   0   5
 73  OPR   0  14
 74  OPR   0  15
 75  LOD   0   6
 76  OPR   0  14
 77  OPR   0  15
 78  OPR   0   0
~~~ RUN PL0 ~~~
11
9
16
-4
12
8
124
-12
~~~ END PL0 ~~~