he.lst

查询方式控制灯闪时间间隔的汇编流水灯程序：由高到低

A51 MACRO ASSEMBLER  HE                                                                   05/01/2009 11:47:31 PAGE     1


MACRO ASSEMBLER A51 V8.00d
OBJECT MODULE PLACED IN he.OBJ
ASSEMBLER INVOKED BY: D:\安装的程序\Keil UV3 v8.08\C51\BIN\A51.EXE he.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1             ORG   0000H
0000 020030            2                     LJMP START
0030                   3                     ORG   0030H
0030 758900            4     START: MOV  TMOD, #00H
0033 758C13            5            MOV  TH0,  #13H
0036 758A18            6                MOV  TL0,  #18H
0039 D28C              7                SETB  TR0
003B 7B08              8                MOV  R3 ,#08H
003D 75A0FE            9                MOV  P2 ,#0FEH
0040                  10     LOOP: 
0040 7A14             11          MOV R2 ,#14H         ;由高到低依次电亮
0042 108D02           12     WT1: JBC  TF0 ,WT2
0045 80FB             13          SJMP  WT1
0047 758C13           14     WT2:  MOV  TH0,#13H
004A 758A18           15           MOV  TL0,#18H
004D DAF3             16               DJNZ  R2 , WT1
004F E5A0             17               MOV  A, P2
0051 23               18               RL  A
0052 F5A0             19               MOV  P2 , A 
0054 DBEA             20               DJNZ  R3 ,LOOP
                      21     
0056 75A07F           22               MOV  P2, #07FH
0059 7908             23               MOV  R1, #08H
005B                  24     LOOP1:
005B 7A14             25          MOV R2 ,#14H         ;由低到高依次电亮
005D 108D02           26     WT3: JBC  TF0 ,WT4
0060 80FB             27          SJMP  WT3
0062 758C13           28     WT4:  MOV  TH0,#13H
0065 758A18           29           MOV  TL0,#18H
0068 DAF3             30               DJNZ  R2  ,WT3
006A E5A0             31               MOV  A, P2
006C 03               32               RR  A
006D F5A0             33               MOV  P2 , A 
006F D9EA             34               DJNZ  R1 ,LOOP1
                      35     
0071 7C06             36               MOV  R4, #06H
0073 75A000           37               MOV  P2, #00H
0076 7A14             38     LOOP2: MOV R2 ,#14H     
0078 108D02           39     WT5: JBC  TF0 ,WT6
007B 80FB             40          SJMP  WT5
007D 758C13           41     WT6:  MOV  TH0,#13H       
0080 758A18           42           MOV  TL0,#18H
0083 DAF3             43               DJNZ  R2 , WT5
0085 E5A0             44               MOV  A , P2
0087 F4               45               CPL  A
0088 F5A0             46               MOV P2 ,A
008A DCEA             47               DJNZ R4,LOOP2
008C 80A2             48               SJMP          START
                      49               END   START
A51 MACRO ASSEMBLER  HE                                                                   05/01/2009 11:47:31 PAGE     2

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


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

LOOP . . . . . . .  C ADDR   0040H   A   
LOOP1. . . . . . .  C ADDR   005BH   A   
LOOP2. . . . . . .  C ADDR   0076H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   
START. . . . . . .  C ADDR   0030H   A   
TF0. . . . . . . .  B ADDR   0088H.5 A   
TH0. . . . . . . .  D ADDR   008CH   A   
TL0. . . . . . . .  D ADDR   008AH   A   
TMOD . . . . . . .  D ADDR   0089H   A   
TR0. . . . . . . .  B ADDR   0088H.4 A   
WT1. . . . . . . .  C ADDR   0042H   A   
WT2. . . . . . . .  C ADDR   0047H   A   
WT3. . . . . . . .  C ADDR   005DH   A   
WT4. . . . . . . .  C ADDR   0062H   A   
WT5. . . . . . . .  C ADDR   0078H   A   
WT6. . . . . . . .  C ADDR   007DH   A   


REGISTER BANK(S) USED: 0 


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