number.lst

动态数码管显示 用取表发 P2口输入数据

A51 MACRO ASSEMBLER  NUMBER                                                               01/18/2008 17:12:12 PAGE     1


MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN number.OBJ
ASSEMBLER INVOKED BY: f:\Keil\C51\BIN\A51.EXE number.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1                             ORG 00H 
0000 209705            2     START:          JB P1.7,DIR1 
0003 90002D            3                             MOV DPTR,#TABLE1 
0006 8003              4                             SJMP DIR 
0008 900032            5     DIR1:           MOV DPTR,#TABLE2 
000B 7800              6     DIR:            MOV R0,#00H 
000D 79FE              7                             MOV R1,#0FEH 
000F E8                8     NEXT:           MOV A,R0 
0010 93                9                             MOVC A,@A+DPTR 
0011 F580             10                             MOV P0,A 
0013 E9               11                             MOV A,R1 
0014 F5A0             12                             MOV P2,A 
0016 120024           13                             LCALL DAY       
0019 75A0FF           14                 MOV P2,#0FFH  
001C 08               15                             INC R0 
001D 23               16                             RL A 
001E F9               17                             MOV R1,A 
001F B9DFED           18                             CJNE R1,#0DFH,NEXT 
0022 80DC             19                             SJMP START 
0024 7E04             20     DAY:            MOV R6,#4
0026 7FF8             21     D1:                     MOV R7,#248 
0028 DFFE             22                             DJNZ R7,$ 
002A DEFA             23                             DJNZ R6,D1 
002C 22               24                             RET 
002D F9A4B099         25     TABLE1:         DB 0F9H,0A4H,0B0H,099H,092H 
0031 92                      
0032 8986C7C7         26     TABLE2:     DB 089H,086H,0C7H,0C7H,0C0H 
0036 C0                      
                      27                             END 
                             
                             
                             
A51 MACRO ASSEMBLER  NUMBER                                                               01/18/2008 17:12:12 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   0026H   A   
DAY. . . . . . . .  C ADDR   0024H   A   
DIR. . . . . . . .  C ADDR   000BH   A   
DIR1 . . . . . . .  C ADDR   0008H   A   
NEXT . . . . . . .  C ADDR   000FH   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   
START. . . . . . .  C ADDR   0000H   A   
TABLE1 . . . . . .  C ADDR   002DH   A   
TABLE2 . . . . . .  C ADDR   0032H   A   


REGISTER BANK(S) USED: 0 


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