led8.lst

单片机开发板源程序适合初学者 第二部分DA转换输出

A51 MACRO ASSEMBLER  LED8                                                                 08/11/2007 01:25:43 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN LED8.OBJ
ASSEMBLER INVOKED BY: C:\tools\Keil\C51\BIN\A51.EXE LED8.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1                     ORG 0
0000 75A0FE            2     START0:         MOV P2,#0FEH                    
0003 7900              3     START:          MOV R1,#00H
0005 E9                4     NEXT:           MOV A,R1
0006 900023            5                     MOV DPTR,#TABLE
0009 93                6                     MOVC A,@A+DPTR
000A F580              7                     MOV P0,A
000C 120016            8                     LCALL DELAY
000F 09                9                     INC R1
0010 B90AF2           10                     CJNE R1,#10,NEXT
0013 020003           11                     LJMP START
0016 7D14             12     DELAY:          MOV R5,#20
0018 7E14             13     D2:             MOV R6,#20
001A 7FE6             14     D1:             MOV R7,#230
001C DFFE             15                     DJNZ R7,$
001E DEFA             16                     DJNZ R6,D1
0020 DDF6             17                     DJNZ R5,D2
0022 22               18                     RET
0023 84F54654         19     TABLE:          DB  84H,0F5H,46H,54H,35H,1CH,0CH,0D5H,04H,14H
0027 351C0CD5                
002B 0414                    
                      20                     END
A51 MACRO ASSEMBLER  LED8                                                                 08/11/2007 01:25:43 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   001AH   A   
D2 . . . . . . . .  C ADDR   0018H   A   
DELAY. . . . . . .  C ADDR   0016H   A   
NEXT . . . . . . .  C ADDR   0005H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   
START. . . . . . .  C ADDR   0003H   A   
START0 . . . . . .  C ADDR   0000H   A   
TABLE. . . . . . .  C ADDR   0023H   A   


REGISTER BANK(S) USED: 0 


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