delay.lst

这是一个用C语言在VC6.0环境下编写的用于USB驱动的代码

C51 COMPILER V7.06   DELAY                                                                 08/05/2007 09:42:58 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE DELAY
OBJECT MODULE PLACED IN delay.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE delay.c BROWSE DEBUG OBJECTEXTEND CODE

stmt level    source

   1          #define uint unsigned int
   2          #define uchar unsigned char
   3          void DelaymS(uint i)
   4          {
   5   1           uchar j;
   6   1               for(;i>0;i--)
   7   1               {
   8   2                   for(j=0;j<200;)
   9   2                       {
  10   3                            j++;
  11   3                       }
  12   2               }
  13   1      } 
C51 COMPILER V7.06   DELAY                                                                 08/05/2007 09:42:58 PAGE 2   

ASSEMBLY LISTING OF GENERATED OBJECT CODE


             ; FUNCTION _DelaymS (BEGIN)
                                           ; SOURCE LINE # 3
;---- Variable 'i' assigned to Register 'R6/R7' ----
                                           ; SOURCE LINE # 4
                                           ; SOURCE LINE # 6
0000         ?C0001:
0000 D3                SETB    C
0001 EF                MOV     A,R7
0002 9400              SUBB    A,#00H
0004 EE                MOV     A,R6
0005 9400              SUBB    A,#00H
0007 400D              JC      ?C0006
                                           ; SOURCE LINE # 7
                                           ; SOURCE LINE # 8
;---- Variable 'j' assigned to Register 'R5' ----
0009 E4                CLR     A
000A FD                MOV     R5,A
000B         ?C0004:
                                           ; SOURCE LINE # 9
                                           ; SOURCE LINE # 10
000B 0D                INC     R5
                                           ; SOURCE LINE # 11
000C BDC8FC            CJNE    R5,#0C8H,?C0004
                                           ; SOURCE LINE # 12
000F         ?C0003:
000F EF                MOV     A,R7
0010 1F                DEC     R7
0011 70ED              JNZ     ?C0001
0013 1E                DEC     R6
0014         ?C0007:
0014 80EA              SJMP    ?C0001
                                           ; SOURCE LINE # 13
0016         ?C0006:
0016 22                RET     
             ; FUNCTION _DelaymS (END)



MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     23    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)