2.lst

数码管显示123456,在KEIL下成功编译

A51 MACRO ASSEMBLER  2                                                                    11/03/2005 09:58:53 PAGE     1


MACRO ASSEMBLER A51 V7.01
OBJECT MODULE PLACED IN 2.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE 2.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1             org   0000H
0000 802E              2             SJMP  dplop
0030                   3             ORG   0030H
                       4     
0030                   5     dplop:
0030 7401              6             mov a,#01
0032 F9                7             mov r1,a
0033 90007E            8             mov dptr,#numtab
                       9     
0036 E9               10             MOV A,r1
0037 93               11             MOVC A,@A+DPTR
0038 F580             12             mov p0,a
003A C2A5             13             clr p2.5
                      14     
003C 1179             15             acall d1ms
003E D2A5             16             setb p2.5
0040 09               17             inc r1
                      18     
0041 E9               19             mov a,r1
0042 93               20             MOVC A,@A+DPTR
0043 F580             21             mov p0,a
0045 C2A4             22             clr p2.4
0047 1179             23             acall d1ms
0049 D2A4             24             setb p2.4
004B 09               25             inc r1
                      26     
004C E9               27             mov a,r1
004D 93               28             MOVC A,@A+DPTR
004E F580             29             mov p0,a
0050 C2A3             30             clr p2.3
0052 1179             31             acall d1ms
0054 D2A3             32             setb p2.3
0056 09               33             inc r1
                      34     
0057 E9               35             mov a,r1
0058 93               36             MOVC A,@A+DPTR
0059 F580             37             mov p0,a
005B C2A2             38             clr p2.2
005D 1179             39             acall d1ms
005F D2A2             40             setb p2.2
0061 09               41             inc r1
                      42     
0062 E9               43             mov a,r1
0063 93               44             MOVC A,@A+DPTR
0064 F580             45             mov p0,a
0066 C2A1             46             clr p2.1
0068 1179             47             acall d1ms
006A D2A1             48             setb p2.1
006C 09               49             inc r1
                      50     
006D E9               51             mov a,r1
006E 93               52             MOVC A,@A+DPTR
006F F580             53             mov p0,a
0071 C2A0             54             clr p2.0
0073 1179             55             acall d1ms
0075 D2A0             56             setb p2.0
                      57     
                      58     
A51 MACRO ASSEMBLER  2                                                                    11/03/2005 09:58:53 PAGE     2

                      59     
0077 80B7             60     SJMP  dplop
                      61     
0079                  62     d1ms: 
0079 7AC8             63             MOV R2,#200
007B DAFE             64             DJNZ R2,$
007D 22               65             RET
                      66     
                      67     
007E C0F9A4B0         68     numtab: DB 0c0H,0f9H,0a4H,0b0H,99H,92H,82H,0f8H,80H,90H
0082 999282F8                
0086 8090                    
                      69     
                      70     end
A51 MACRO ASSEMBLER  2                                                                    11/03/2005 09:58:53 PAGE     3

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


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

D1MS . . . . . . .  C ADDR   0079H   A   
DPLOP. . . . . . .  C ADDR   0030H   A   
NUMTAB . . . . . .  C ADDR   007EH   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   


REGISTER BANK(S) USED: 0 


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