counter design.lst

详尽的51单片机教程,第5章,附有注解初学者最好的参考

A51 MACRO ASSEMBLER  COUNTER_DESIGN                                                       07/29/2006 16:21:09 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN Counter Design.OBJ
ASSEMBLER INVOKED BY: e:\Program Files\Keil\C51\BIN\A51.EXE Counter Design.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1     ORG     0
0000 758905            2             MOV     TMOD,#00000101B                         ;置T0计数器方式1
0003 758C00            3             MOV     TH0,#0                                  ;置T0初值
0006 758A00            4             MOV     TL0,#0                                                  
0009 D28C              5             SETB    TR0                                     ;T0运行
000B 858A90            6     LOOP:   MOV     P1,TL0                                  ;记录P1口脉冲个数
000E 02000B            7             LJMP    LOOP                                    ;返回
                       8             END
A51 MACRO ASSEMBLER  COUNTER_DESIGN                                                       07/29/2006 16:21:09 PAGE     2

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


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

LOOP . . . . . . .  C ADDR   000BH   A   
P1 . . . . . . . .  D ADDR   0090H   A   
TH0. . . . . . . .  D ADDR   008CH   A   
TL0. . . . . . . .  D ADDR   008AH   A   
TMOD . . . . . . .  D ADDR   0089H   A   
TR0. . . . . . . .  B ADDR   0088H.4 A   


REGISTER BANK(S) USED: 0 


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