led.lst

单片机开发板源程序适合初学者 第三部分 LCD_中文

A51 MACRO ASSEMBLER  LED                                                                  08/30/2007 12:01:53 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN LED.OBJ
ASSEMBLER INVOKED BY: C:\tools\Keil\C51\BIN\A51.EXE LED.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1                     ORG 00H
0000 209005            2     START:          JB P1.0,DIR1
0003 90002A            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 120021           13                     LCALL DAY
0019 08               14                     INC R0
001A 23               15                     RL A
001B F9               16                     MOV R1,A
001C B9FEF0           17                     CJNE R1,#0FEH,NEXT
001F 80DF             18                     SJMP START
0021 7E04             19     DAY:            MOV R6,#4
0023 7FF8             20     D1:             MOV R7,#248
0025 DFFE             21                     DJNZ R7,$
0027 DEFA             22                     DJNZ R6,D1
0029 22               23                     RET
002A F5465435         24     TABLE1:         DB 0F5H,46H,54H,35H,1CH,0CH,0D5H,04H            ;1--8
002E 1C0CD504                
0032 04D50C1C         25     TABLE2:         DB 04H,0D5H,0CH,1CH,35H,54H,46H,0F5H            ;8-1
0036 355446F5                
                      26                     END
A51 MACRO ASSEMBLER  LED                                                                  08/30/2007 12:01:53 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   0023H   A   
DAY. . . . . . . .  C ADDR   0021H   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   002AH   A   
TABLE2 . . . . . .  C ADDR   0032H   A   


REGISTER BANK(S) USED: 0 


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