0~9led

基于单片机的0~9led显示奇数

A51 MACRO ASSEMBLER  LED_NUM                                                              12/17/2012 16:32:16 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN LED_Num.OBJ
ASSEMBLER INVOKED BY: H:\Program Files\keil 2\C51\BIN\A51.EXE LED_Num.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1             ORG 0000H
0000 020030            2             LJMP START
0030                   3             ORG 030H
0030 752000            4     START:  MOV 20H,#00H  
0033 E520              5             MOV A,20H       
0035 7805              6             MOV R0,#5
0037                   7     MAIN:     
0037 900056            8             MOV DPTR,#TAB   
003A 93                9             MOVC A,@A+DPTR  
003B F5B0             10             MOV P3,A            
003D 1149             11             ACALL DEL          
003F E520             12             MOV A,20H       
0041 04               13             INC A                                   
0042 F520             14             MOV 20H, A
0044 D8F1             15             DJNZ R0,MAIN
0046 80E8             16             JMP START
0048 32               17             RETI
                      18             
0049 7F0A             19     DEL:    MOV R7,#10
004B 7EFF             20     DEL1:   MOV R6,#0FFH
004D 7DFF             21     DEL2:   MOV R5,#0FFH
004F DDFE             22     DEL3:   DJNZ R5,DEL3
0051 DEFA             23             DJNZ R6,DEL2
0053 DFF6             24             DJNZ R7,DEL1
0055 32               25             RETI
0056 F9B092F8         26     TAB:    DB 0F9H,0B0H,92H,0F8H,90H        
005A 90                      
                      27             END
                             
A51 MACRO ASSEMBLER  LED_NUM                                                              12/17/2012 16:32:16 PAGE     2

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


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

DEL. . . . . . . .  C ADDR   0049H   A   
DEL1 . . . . . . .  C ADDR   004BH   A   
DEL2 . . . . . . .  C ADDR   004DH   A   
DEL3 . . . . . . .  C ADDR   004FH   A   
MAIN . . . . . . .  C ADDR   0037H   A   
P3 . . . . . . . .  D ADDR   00B0H   A   
START. . . . . . .  C ADDR   0030H   A   
TAB. . . . . . . .  C ADDR   0056H   A   


REGISTER BANK(S) USED: 0 


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