project.lst

来自「汇编小程序」· LST 代码 · 共 49 行

A51 MACRO ASSEMBLER  PROJECT                                                              07/08/2012 21:01:59 PAGE     1


MACRO ASSEMBLER A51 V8.02a
OBJECT MODULE PLACED IN project.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE project.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1                     ORG 0000H
0000 0130              2                                     AJMP MAIN
0030                   3                                     ORG 0030H
0030 74E4              4     MAIN:           MOV A,#0E4H                      ;累加器A存入初始值0E4H
0032 78FF              5                     MOV R0,#0FFH             ;寄存器R0放入初始值0FFH
0034 F4                6                                     CPL A                            ;累加器A求反
0035 F580              7                                     MOV P0,A                         ;累加器A的内容放入P0口
0037 74E4              8                                     MOV A,#0E4H                      ;累加器A放入初始值
0039 68                9                                     XRL A,R0                         ;寄存器R0与累加器A相‘异或
                             ’并把结果放入累加器A中
003A 113C             10                                     ACALL DEL                        ;延时
003C 7D01             11     DEL:            MOV R5,#01H                      ;延时子程序
003E 7EFF             12     DEL1:           MOV R6,#0FFH
0040 7FFF             13     DEL2:           MOV R7,#0FFH
0042 DFFE             14     DEL3:           DJNZ R7,DEL3
0044 DEFA             15                     DJNZ R6,DEL2
0046 DDF6             16                                     DJNZ R5,DEL1
0048 22               17                                     RET
                      18                                     END
A51 MACRO ASSEMBLER  PROJECT                                                              07/08/2012 21:01:59 PAGE     2

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


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

DEL. . . . . . . .  C ADDR   003CH   A   
DEL1 . . . . . . .  C ADDR   003EH   A   
DEL2 . . . . . . .  C ADDR   0040H   A   
DEL3 . . . . . . .  C ADDR   0042H   A   
MAIN . . . . . . .  C ADDR   0030H   A   
P0 . . . . . . . .  D ADDR   0080H   A   


REGISTER BANK(S) USED: 0 


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