99秒计数.lst

刚学时编的小程序

A51 MACRO ASSEMBLER  99秒计数                                                             04/23/2007 21:28:54 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN 99秒计数.OBJ
ASSEMBLER INVOKED BY: d:\Keil 8\C51\BIN\A51.EXE 99秒计数.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;/*------------------------------------------
                       2                     ;SEC EQU 30H
0000                   3                     ORG 0000H
0000 02000E            4                     LJMP MAIN
000B                   5                     ORG 000BH
000B 02005B            6                     LJMP T0X
                       7     
000E 758160            8     MAIN:   MOV SP,#60H
0011 90007B            9                     MOV DPTR,#TABLE
0014 7800             10                     MOV R0,#0
0016 7900             11                     MOV R1,#0
0018 7B00             12                     MOV R3,#0
001A 75F00A           13                     MOV B,#10
001D E9               14                     MOV A,R1
001E 84               15                     DIV AB
001F 93               16                     MOVC A,@A+DPTR
0020 F5A0             17                     MOV P2,A
0022 E5F0             18                     MOV A,B
0024 93               19                     MOVC A,@A+DPTR
0025 F590             20                     MOV P1,A
0027 758901           21                     MOV TMOD,#01H
002A 758C3C           22                     MOV TH0,#(65535-50000) / 256
002D 758AAF           23                     MOV TL0,#(65535-50000) MOD 256
0030 D2AF             24                     SETB EA
0032 D2A9             25                     SETB ET0
                      26     
0034 20B7FD           27     LOOP:   JB P3.7,LOOP
0037 30B7FD           28     LOOP3:  JNB P3.7,LOOP3
003A B80004           29                     CJNE R0,#0,LP1
003D D28C             30                     SETB TR0
003F 8011             31                     JMP LOOP1
0041 B80104           32     LP1:    CJNE R0,#1,LP2
0044 C28C             33                     CLR TR0
0046 800A             34                     JMP LOOP1
0048 7900             35     LP2:    MOV R1,#0
004A 743F             36                     MOV A,#3FH
004C F590             37                     MOV P1,A
004E F5A0             38                     MOV P2,A                
0050 8000             39                     JMP LOOP1
0052 08               40     LOOP1:  INC R0
0053 B80302           41                     CJNE R0,#3,LOOP2
0056 7800             42                     MOV R0,#0
0058 020034           43     LOOP2:  LJMP LOOP
                      44     
005B 758C3C           45     T0X:    MOV TH0,#(65536-50000) / 256
005E 758AB0           46                     MOV TL0,#(65536-50000) MOD 256
0061 0B               47                     INC R3
0062 BB0315           48                     CJNE R3,#3,LOP1
0065 7B00             49                     MOV R3,#00
0067 09               50                     INC R1
0068 B96402           51                     CJNE R1,#100,LOP2
006B 7900             52                     MOV R1,#0
006D E9               53     LOP2:   MOV A,R1
006E 75F00A           54                     MOV B,#10
0071 84               55                     DIV AB
0072 93               56                     MOVC A,@A+DPTR
0073 F5A0             57                     MOV P2,A
0075 E5F0             58                     MOV A,B
A51 MACRO ASSEMBLER  99秒计数                                                             04/23/2007 21:28:54 PAGE     2

0077 93               59                     MOVC A,@A+DPTR
0078 F590             60                     MOV P1,A
007A 32               61     LOP1:   RETI
                      62     
007B 3F065B4F         63     TABLE:  DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH
007F 666D7D07                
0083 7F6F                    
                      64                     
                      65                     END 
                             ;------------------------------------------*/
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
A51 MACRO ASSEMBLER  99秒计数                                                             04/23/2007 21:28:54 PAGE     3

                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
A51 MACRO ASSEMBLER  99秒计数                                                             04/23/2007 21:28:54 PAGE     4

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


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

B. . . . . . . . .  D ADDR   00F0H   A   
EA . . . . . . . .  B ADDR   00A8H.7 A   
ET0. . . . . . . .  B ADDR   00A8H.1 A   
LOOP . . . . . . .  C ADDR   0034H   A   
LOOP1. . . . . . .  C ADDR   0052H   A   
LOOP2. . . . . . .  C ADDR   0058H   A   
LOOP3. . . . . . .  C ADDR   0037H   A   
LOP1 . . . . . . .  C ADDR   007AH   A   
LOP2 . . . . . . .  C ADDR   006DH   A   
LP1. . . . . . . .  C ADDR   0041H   A   
LP2. . . . . . . .  C ADDR   0048H   A   
MAIN . . . . . . .  C ADDR   000EH   A   
P1 . . . . . . . .  D ADDR   0090H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   
P3 . . . . . . . .  D ADDR   00B0H   A   
SP . . . . . . . .  D ADDR   0081H   A   
T0X. . . . . . . .  C ADDR   005BH   A   
TABLE. . . . . . .  C ADDR   007BH   A   
TH0. . . . . . . .  D ADDR   008CH   A   
TL0. . . . . . . .  D ADDR   008AH   A   
TMOD . . . . . . .  D ADDR   0089H   A   
TR0. . . . . . . .  B ADDR   0088H.4 A   


REGISTER BANK(S) USED: 0 


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