delay.lst

一个带收音的功放程序, VFD显示驱动用一个非常实用的方法, 稍加修改即可换成不同的VFD, 功放芯片用M61538

C51 COMPILER V7.20   DELAY                                                                 07/16/2005 13:42:39 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE DELAY
OBJECT MODULE PLACED IN ..\output\delay.obj
COMPILER INVOKED BY: C:\Keil51\C51\BIN\C51.EXE ..\source\KERNEL\delay.c BROWSE DEBUG OBJECTEXTEND CODE PRINT(..\output\d
                    -elay.lst) OBJECT(..\output\delay.obj)

line level    source

   1          #include "reg52.h"
   2          #include "intrins.h"
   3          #include "..\..\inc\globedef.h"
   4          #include "..\..\inc\delay.h"
   5          
   6          
   7          void  Delay5US(void)
   8          {
   9   1              _nop_();
  10   1              _nop_();
  11   1              _nop_();
  12   1              _nop_();
  13   1      
  14   1      }
  15          
  16          void DelayX1ms(BYTE count)
  17          {
  18   1              BYTE i,j;
  19   1              for(i=0;i<count;i++)
  20   1              {
  21   2                      for(j=0;j<180;j++)
  22   2                      ;
  23   2              }
  24   1      }
C51 COMPILER V7.20   DELAY                                                                 07/16/2005 13:42:39 PAGE 2   

ASSEMBLY LISTING OF GENERATED OBJECT CODE


             ; FUNCTION Delay5US (BEGIN)
                                           ; SOURCE LINE # 7
                                           ; SOURCE LINE # 8
                                           ; SOURCE LINE # 9
0000 00                NOP     
                                           ; SOURCE LINE # 10
0001 00                NOP     
                                           ; SOURCE LINE # 11
0002 00                NOP     
                                           ; SOURCE LINE # 12
0003 00                NOP     
                                           ; SOURCE LINE # 14
0004 22                RET     
             ; FUNCTION Delay5US (END)

             ; FUNCTION _DelayX1ms (BEGIN)
                                           ; SOURCE LINE # 16
;---- Variable 'count' assigned to Register 'R7' ----
                                           ; SOURCE LINE # 17
                                           ; SOURCE LINE # 19
;---- Variable 'i' assigned to Register 'R6' ----
0000 E4                CLR     A
0001 FE                MOV     R6,A
0002         ?C0002:
0002 EE                MOV     A,R6
0003 C3                CLR     C
0004 9F                SUBB    A,R7
0005 5009              JNC     ?C0008
                                           ; SOURCE LINE # 20
                                           ; SOURCE LINE # 21
;---- Variable 'j' assigned to Register 'R5' ----
0007 E4                CLR     A
0008 FD                MOV     R5,A
0009         ?C0005:
0009 0D                INC     R5
000A BDB4FC            CJNE    R5,#0B4H,?C0005
                                           ; SOURCE LINE # 23
000D         ?C0004:
000D 0E                INC     R6
000E 80F2              SJMP    ?C0002
                                           ; SOURCE LINE # 24
0010         ?C0008:
0010 22                RET     
             ; FUNCTION _DelayX1ms (END)



MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     22    ----
   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)