ledlood.lst

51系列单片机开发：实验课程 显示程序（液晶显示）

A51 MACRO ASSEMBLER  LEDLOOD                                                              11/15/2007 09:07:49 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN ledlood.OBJ
ASSEMBLER INVOKED BY: C:\Program Files\Keil\C51\BIN\A51.EXE ledlood.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1             ORG     0000H
0000 2100              2             AJMP    START
0100                   3             ORG     0100H
                       4     
0100                   5     START:
0100 74FE              6             MOV     A, #0FEH
0102 759000            7             MOV     P1, #0
0105                   8     LOOP:
0105 F580              9             MOV     P0, A
0107 D294             10             SETB    P1.4
0109 00               11             NOP
010A C294             12             CLR     P1.4
010C 3111             13             CALL    DELAY
010E 23               14             RL      A
010F 2105             15             AJMP    LOOP
                      16     
0111                  17     DELAY:
0111 7CFA             18             MOV     R4, #250
0113 7BFA             19     LL1:    MOV     R3, #250
0115 DBFE             20             DJNZ    R3, $
0117 DCFA             21             DJNZ    R4, LL1
0119 22               22             RET
                      23     
                      24             END
A51 MACRO ASSEMBLER  LEDLOOD                                                              11/15/2007 09:07:49 PAGE     2

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


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

DELAY. . . . . . .  C ADDR   0111H   A   
LL1. . . . . . . .  C ADDR   0113H   A   
LOOP . . . . . . .  C ADDR   0105H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
START. . . . . . .  C ADDR   0100H   A   


REGISTER BANK(S) USED: 0 


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