clock.lst

C语言单片机编程的代码及教程文献

A51 MACRO ASSEMBLER  CLOCK                                                                07/17/2007 20:13:19 PAGE     1


MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN .\clock.obj
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE ..\App\clock.ASM SET(SMALL) DEBUG PRINT(.\clock.lst) OBJECT(.\clock.obj) EP

LOC  OBJ            LINE     SOURCE

                       1     NAME DELAYASM
                       2     Delay_Code   SEGMENT CODE
                       3          PUBLIC  Song_delay
                       4              EXTRN DATA(time1)
                       5              EXTRN DATA(time2)
                       6              EXTRN DATA(tvar)
----                   7             RSEG Delay_Code
                       8     
0000                   9     Song_delay:
0000 7500FA   F       10         mov time2,#250
0003 7500F8   F       11             mov time1,#248
0006 D500FD   F       12             djnz time1,$
0009 D500F9   F       13             djnz time2,$-4
000C D500F1   F       14             djnz tvar,Song_delay
000F 22               15          RET
                      16     
                      17         END
A51 MACRO ASSEMBLER  CLOCK                                                                07/17/2007 20:13:19 PAGE     2

SYMBOL TABLE LISTING
------ ----- -------


N A M E             T Y P E  V A L U E   ATTRIBUTES

DELAYASM . . . . .  N NUMB   -----       
DELAY_CODE . . . .  C SEG    0010H       REL=UNIT
SONG_DELAY . . . .  C ADDR   0000H   R   SEG=DELAY_CODE
TIME1. . . . . . .  D ADDR   -----       EXT
TIME2. . . . . . .  D ADDR   -----       EXT
TVAR . . . . . . .  D ADDR   -----       EXT


REGISTER BANK(S) USED: 0 


ASSEMBLY COMPLETE.  0 WARNING(S), 0 ERROR(S)