boxing.lst

这个文件通过修改计时器初值

A51 MACRO ASSEMBLER  BOXING                                                               12/11/2007 23:20:54 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN boxing.OBJ
ASSEMBLER INVOKED BY: D:\安装程序\KEIL\C51\BIN\A51.EXE boxing.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  0090                 1     INPUT BIT P1.0
0000                   2     ORG 0000H
0000 020030            3     LJMP MAIN
000B                   4     ORG 000BH
000B 020043            5     LJMP TIME0
0030                   6     ORG 0030H
0030 758C50            7     MAIN: MOV TH0,#50H
0033 758A23            8        MOV TL0,#23H
0036 758901            9       MOV TMOD,#01H
0039 D28C             10       SETB TR0
003B D2A9             11       SETB ET0
003D D2AF             12       SETB EA
003F C290             13       CLR INPUT
0041 0141             14     AJMP $     
0043 C0E0             15     TIME0: PUSH ACC
0045 C0D0             16       PUSH PSW
0047 B290             17       CPL P1.0
0049 209008           18       JB P1.0,ANOTHER
004C 758A23           19       MOV TL0,#23H
004F 758C50           20       MOV TH0,#50H
0052 015A             21       AJMP STOP
0054 758A50           22     ANOTHER: MOV TL0,#50H
0057 758C23           23        MOV TH0,#23H
005A D0D0             24      STOP: POP PSW
005C D0E0             25       POP ACC
005E 32               26      RETI
                      27     END
A51 MACRO ASSEMBLER  BOXING                                                               12/11/2007 23:20:54 PAGE     2

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


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

ACC. . . . . . . .  D ADDR   00E0H   A   
ANOTHER. . . . . .  C ADDR   0054H   A   
EA . . . . . . . .  B ADDR   00A8H.7 A   
ET0. . . . . . . .  B ADDR   00A8H.1 A   
INPUT. . . . . . .  B ADDR   0090H.0 A   
MAIN . . . . . . .  C ADDR   0030H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
PSW. . . . . . . .  D ADDR   00D0H   A   
STOP . . . . . . .  C ADDR   005AH   A   
TH0. . . . . . . .  D ADDR   008CH   A   
TIME0. . . . . . .  C ADDR   0043H   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)