测试行.lst

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A51 MACRO ASSEMBLER  _馐___                                                               04/19/2005 00:42:58 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN 测试行.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE 测试行.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  0092                 1              SCLK_595   EQU  P1.2   ;时钟
  0091                 2              SDATA_595  EQU  P1.1   ;数据
  0090                 3                      RCK_595    EQU  P1.0   ;锁存
0000                   4                                     ORG 00H
0000 020030            5                     LJMP START
0030                   6                     ORG 30H
0030 7580FF            7     START:                  MOV  P0,#0FFH
0033 75A0FF            8                     MOV  P2,#0FFH
0036 7800              9                             MOV  R0,#0      
0038 7900             10                             MOV  R1,#0               
003A 7A08             11                                     MOV  R2,#8
003C 7B00             12                                     MOV  R3,#0
003E 7D02             13                                     MOV  R5,#2
0040 7521FF           14                                     MOV  21H,#0FFH
                      15                                     
0043                  16     START1:         
0043                  17      WRITE:         
0043 08               18                                     INC  R0
                      19                                     
                      20                                     
0044 752A00           21                                     MOV  2AH,#00H              
0047 120090           22                                     LCALL  WR_595      
004A B802F6           23                         CJNE R0,#2,WRITE        
004D 7800             24                                     MOV  R0,#0
004F 120087           25                                     LCALL  OUT_595      
0052 12005B           26                         LCALL  OUT_8550         
                      27                     
                      28                                     
0055 1200AD           29                                     LCALL  DELAY1
0058 020030           30                     LJMP START
                      31     
                      32     
                      33     
                      34     ;---------------------------------------------------------------
                      35     ;行输出子程序
                      36     ;---------------------------------------------------------------
005B                  37     OUT_8550:               
005B DD15             38                     DJNZ  R5,P0KSC
005D 7D02             39                                     MOV   R5,#2
005F C3               40     P2KSC:                  CLR  C
0060 E521             41                     MOV  A,21H
0062 33               42     P2KSC1:         RLC  A
0063 F5A0             43                                     MOV  P2,A
0065 1200AD           44                                     LCALL  DELAY1 
0068 0B               45                                     INC  R3
0069 BB08F6           46                                     CJNE R3,#8,P2KSC1
006C 7B00             47                                     MOV  R3,#00H
006E 75A0FF           48                                     MOV  P2,#0FFH
0071 22               49                                     RET
                      50     
0072 C3               51     P0KSC:              CLR  C
0073 E521             52                                     MOV A,21H
0075 33               53     P0KSC1:                 RLC  A
0076 F580             54                                     MOV  P0,A
0078 1200AD           55                                     LCALL  DELAY1
007B 0B               56                                     INC  R3
007C BB08F6           57                                     CJNE R3,#8,P0KSC1
007F 7B00             58                                     MOV  R3,#00H
A51 MACRO ASSEMBLER  _馐___                                                               04/19/2005 00:42:58 PAGE     2

0081 7580FF           59                                     MOV  P0,#0FFH
                      60                     
                      61                   
0084                  62      LOOP:         
0084 02005B           63                     LJMP  OUT_8550 
                      64     ;---------------------------------------------------------------
                      65     ;输出锁存器输出数据子程序
                      66     ;---------------------------------------------------------------
0087                  67     OUT_595:
0087 C290             68                     CLR  RCK_595
0089 00               69                     NOP
008A D290             70                     SETB RCK_595      ;上升沿将数据送到输出锁存器
008C 00               71                     NOP
008D C290             72                     CLR  RCK_595
008F 22               73                     RET
                      74     ;--------------------------------------------------------------
                      75     ;移位寄存器接收数据子程序
                      76     ;--------------------------------------------------------------
0090                  77     WR_595:
0090 7A08             78                     MOV R2,#08H
0092 E52A             79                     MOV A,2AH
0094                  80     WR_LOOP:
0094 33               81                     RLC A
0095 9291             82                     MOV SDATA_595,C
0097 D292             83                     SETB SCLK_595       ;上升沿发生移位
0099 C292             84                     CLR SCLK_595
009B DAF7             85                     DJNZ R2,WR_LOOP
009D 7A08             86                                     MOV  R2,#8
009F 22               87                     RET
                      88     ;--------------------------------------------------------------
                      89     ;延时子程序
                      90     ;--------------------------------------------------------------
00A0                  91     DELAY:
00A0 754314           92                     MOV 43H,#14H           ; every LED(2ms)
00A3 754414           93        DL2:         MOV 44H,#14H
00A6                  94        DL1:
00A6 D544FD           95                     DJNZ 44H,DL1
00A9 D543F7           96                     DJNZ 43H,DL2
00AC 22               97                     RET
                      98     
00AD 757AFF           99     DELAY1:         MOV  7AH,#255
00B0 757BFF          100     DLL1:                   MOV  7BH,#255
00B3 D57BFD          101     DLL2:                   DJNZ 7BH,DLL2
00B6 D57AF7          102                     DJNZ 7AH,DLL1
00B9 22              103                                     RET
                     104     
00BA                 105     TAB:     
                     106     
                     107              
                     108     
                     109     
                     110     
                     111     
                     112     
                     113     END
A51 MACRO ASSEMBLER  _馐___                                                               04/19/2005 00:42:58 PAGE     3

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


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

DELAY. . . . . . .  C ADDR   00A0H   A   
DELAY1 . . . . . .  C ADDR   00ADH   A   
DL1. . . . . . . .  C ADDR   00A6H   A   
DL2. . . . . . . .  C ADDR   00A3H   A   
DLL1 . . . . . . .  C ADDR   00B0H   A   
DLL2 . . . . . . .  C ADDR   00B3H   A   
LOOP . . . . . . .  C ADDR   0084H   A   
OUT_595. . . . . .  C ADDR   0087H   A   
OUT_8550 . . . . .  C ADDR   005BH   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P0KSC. . . . . . .  C ADDR   0072H   A   
P0KSC1 . . . . . .  C ADDR   0075H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   
P2KSC. . . . . . .  C ADDR   005FH   A   
P2KSC1 . . . . . .  C ADDR   0062H   A   
RCK_595. . . . . .  B ADDR   0090H.0 A   
SCLK_595 . . . . .  B ADDR   0090H.2 A   
SDATA_595. . . . .  B ADDR   0090H.1 A   
START. . . . . . .  C ADDR   0030H   A   
START1 . . . . . .  C ADDR   0043H   A   
TAB. . . . . . . .  C ADDR   00BAH   A   
WRITE. . . . . . .  C ADDR   0043H   A   
WR_595 . . . . . .  C ADDR   0090H   A   
WR_LOOP. . . . . .  C ADDR   0094H   A   


REGISTER BANK(S) USED: 0 


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