tx.lst

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A51 MACRO ASSEMBLER  TX                                                                   09/17/2007 09:47:26 PAGE     1


MACRO ASSEMBLER A51 V7.10
OBJECT MODULE PLACED IN tx.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE tx.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;//******************************************************
                       2     ;//******************************************************
                       3     
                       4     
                       5     NAME    TX
                       6      
                       7         using 0
                       8     
  0029                 9     TX_N_TIME  EQU 41     
  007E                10     TX_W_TIME  EQU 126 
  0021                11     TX_S_TIME  EQU 33
  001E                12     sendtimes  EQU 30
                      13     
                      14     
                      15     
  00E1                16     WDT_CONTR DATA 0E1H
                      17     
                      18     
  00B5                19     txpin   BIT     P3.5
                      20     
                      21     ?PR?_tx2262?TX       SEGMENT CODE
                      22     
                      23     
                      24             PUBLIC  _tx2262
                      25     
                      26     
----                  27             RSEG  ?PR?_tx2262?TX
0000                  28     _tx2262:
0000 C2AF             29            CLR EA 
0002 791E             30            MOV R1,#sendtimes
                      31     
0004                  32         TX_LOOP:
0004 EF               33            MOV A,R7
0005 120000   F       34            CALL TX_BYTE
0008 ED               35            MOV A,R5
0009 120000   F       36            CALL TX_BYTE
000C EB               37            MOV A,R3
000D 120000   F       38            CALL TX_BYTE
0010 120000   F       39            CALL TX_SYN
                      40     
0013 D9EF             41            DJNZ R1,TX_LOOP
0015 75E139           42            MOV WDT_CONTR,#39H;
0018 D2AF             43            SETB EA
                      44            ;SETB TXPIN
001A C2B5             45            CLR  TXPIN
001C 22               46            RET
                      47     
                      48     ;*****************************************************************
                      49     ;单独发送一个字节
001D                  50     TX_BYTE:
001D 7E08             51             MOV R6,#8;移位次氏薅