input.lst

这些是基于dp51仿真仪的程序

A51 MACRO ASSEMBLER  INPUT                                                                03/03/2004 08:32:41 PAGE     1


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

LOC  OBJ            LINE     SOURCE

  0090                 1     SDA             BIT     P1.0
  0091                 2     CLK             BIT     P1.1
  00B5                 3     INPUT           BIT     P3.5
  0097                 4     LED_CS          BIT     P1.7
                       5     
4000                   6             ORG     4000H
4000 2100              7             AJMP    MAIN
                       8     
4100                   9             ORG     4100H
4100                  10     MAIN:
4100 758160           11             MOV     SP,#60H
4103 D2B5             12             SETB    INPUT
4105 C297             13             clr     P1.7
                      14     
4107 30B504           15     UP:     JNB     INPUT,NEXTP
410A 7A00             16             MOV     R2,#00
410C 2110             17             AJMP    NEXTPP
410E 7AFF             18     NEXTP:  MOV     R2,#0FFH        
4110 3114             19     NEXTPP: ACALL   TXDBYTE
4112 2107             20             AJMP    UP
                      21     
                      22     ;若发送的示荽娣旁赗2中
4114                  23     TXDBYTE:
4114 C0D0             24                PUSH    PSW
4116 C0E0             25                PUSH    ACC
4118 EA               26                MOV     A,R2 
4119 7B08             27                MOV     R3,#08H
411B 33               28     TXDUP:     RLC     A
411C 9290             29                MOV     SDA,C
411E C291             30                CLR     CLK
4120 D291             31                SETB    CLK
4122 DBF7             32                DJNZ    R3,TXDUP
4124 D0E0             33                POP     ACC
4126 D0D0             34                POP     PSW
4128 22               35                RET
                      36     
                      37                END
A51 MACRO ASSEMBLER  INPUT                                                                03/03/2004 08:32:41 PAGE     2

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


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

ACC. . . . . . . .  D ADDR   00E0H   A   
CLK. . . . . . . .  B ADDR   0090H.1 A   
INPUT. . . . . . .  B ADDR   00B0H.5 A   
LED_CS . . . . . .  B ADDR   0090H.7 A   
MAIN . . . . . . .  C ADDR   4100H   A   
NEXTP. . . . . . .  C ADDR   410EH   A   
NEXTPP . . . . . .  C ADDR   4110H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
P3 . . . . . . . .  D ADDR   00B0H   A   
PSW. . . . . . . .  D ADDR   00D0H   A   
SDA. . . . . . . .  B ADDR   0090H.0 A   
SP . . . . . . . .  D ADDR   0081H   A   
TXDBYTE. . . . . .  C ADDR   4114H   A   
TXDUP. . . . . . .  C ADDR   411BH   A   
UP . . . . . . . .  C ADDR   4107H   A   


REGISTER BANK(S) USED: 0 


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