A51 MACRO ASSEMBLER  DL                                                                   07/04/2007 21:12:53 PAGE     1


MACRO ASSEMBLER A51 V6.12
OBJECT MODULE PLACED IN DL.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE DL.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     
                       2     
                       3     
                       4     
                       5     
                       6     
                       7     
                       8     
                       9     
                      10     
                      11     
                      12     
                      13     
                      14     
                      15     DLP  SEGMENT  CODE    ;程序段
                      16     
                      17     PUBLIC  _DL                       ;入口地址，跳轉到DL標號處執行匯編程序
                      18     
----                  19     RSEG  DLP                         ;程序段
                      20     
                      21     
                      22     
0000                  23     _DL:;125MS延時匯編程序
                      24         ;-------------------------------------------字節全轉換程序
0000                  25     ABBA:  ;將字節中的76543210變為01234567
0000 EF               26             MOV             A,R7
0001 F5F0             27          MOV    B,A
0003 A2F0             28              MOV    C,B.0
0005 92E7             29              MOV    ACC.7,C
0007 A2F1             30              MOV    C,B.1
0009 92E6             31              MOV    ACC.6,C
000B A2F2             32              MOV    C,B.2
000D 92E5             33              MOV    ACC.5,C
000F A2F3             34              MOV    C,B.3
0011 92E4             35              MOV    ACC.4,C
0013 A2F4             36              MOV    C,B.4
0015 92E3             37              MOV    ACC.3,C
0017 A2F5             38              MOV    C,B.5
0019 92E2             39              MOV    ACC.2,C
001B A2F6             40              MOV    C,B.6
001D 92E1             41              MOV    ACC.1,C
001F A2F7             42              MOV    C,B.7
0021 92E0             43              MOV    ACC.0,C
0023 FF               44              MOV    R7,A
0024 22               45         RET                           ;匯編結束，返回C程序
                      46     
                      47     
                      48             end                               ;程序文件編譯結束
                             
                             
                             
                             
                             
A51 MACRO ASSEMBLER  DL                                                                   07/04/2007 21:12:53 PAGE     2

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


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

ABBA . . . . . . .  C ADDR   0000H   R   SEG=DLP
ACC. . . . . . . .  D ADDR   00E0H   A   
B. . . . . . . . .  D ADDR   00F0H   A   
DLP. . . . . . . .  C SEG    0025H       REL=UNIT
_DL. . . . . . . .  C ADDR   0000H   R   SEG=DLP


REGISTER BANK(S) USED: 0 

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