pemeppemm.cod

1. PL/0 语言介绍 ●PL/0 程序设计语言是一个较简单的语言

=== COMPILE PL0 ===
  0 PROGRAM PEMEPPEMM; 
  0 VAR TEST1,TEST2,TEST3,TEST4:INTEGER; 
  1 BEGIN 
  2 TEST1:=1+++2; 
  8 TEST2:=2--; 
 12 TEST3:=4; 
 14 TEST4:=5; 
 16 TEST3+=TEST1; 
 20 TEST4-=TEST2+1; 
 26 WRITE(TEST1,TEST2,TEST3,TEST4); 
 34 END. 
  0  JMP   0   1
  1  INI   0   7
  2  LIT   0   1
  3  LIT   0   1
  4  OPR   0   2
  5  LIT   0   2
  6  OPR   0   2
  7  STO   0   3
  8  LIT   0   2
  9  LIT   0   1
 10  OPR   0   3
 11  STO   0   4
 12  LIT   0   4
 13  STO   0   5
 14  LIT   0   5
 15  STO   0   6
 16  LOD   0   5
 17  LOD   0   3
 18  OPR   0   2
 19  STO   0   5
 20  LOD   0   6
 21  LOD   0   4
 22  LIT   0   1
 23  OPR   0   2
 24  OPR   0   3
 25  STO   0   6
 26  LOD   0   3
 27  OPR   0  14
 28  LOD   0   4
 29  OPR   0  14
 30  LOD   0   5
 31  OPR   0  14
 32  LOD   0   6
 33  OPR   0  14
 34  OPR   0   0
~~~ RUN PL0 ~~~
4.000000
1.000000
8.000000
3.000000
~~~ END PL0 ~~~