m6-2.lst

该源码与书本配套

  Wed Jun 15 2005 16:29                                                                                                  Page    1







               2500 A.D. 8051 Macro Assembler  -  Version 4.05a
               ------------------------------------------------

                       Input  Filename : M6-2.asm
                       Output Filename : M6-2.obj


    1   0000                   		ORG  0H
    2   0000   02 00 06        		JMP  START
    3   0003                   		ORG  03H
    4   0003   02 00 18        		JMP  INTSUB
    5   0006                   	START:
    6   0006   75 A0 FF        		MOV  P2,#FFH
    7   0009   75 A8 81        		MOV  IE,#10000001B
    8   000C   D2 D5           	A_D:	SETB F0
    9   000E   C2 90           		CLR  P1.0
   10   0010   F3              		MOVX @R1,A
   11   0011   D2 90           		SETB P1.0
   12   0013   20 D5 FD        	WAIT:	JB   F0,WAIT
   13   0016   01 0C           		JMP  A_D
   14                          	
   15   0018   C2 90           	INTSUB:	CLR  P1.0
   16   001A   E3              		MOVX A,@R1
   17   001B   D2 90           		SETB P1.0
   18   001D   F4              		CPL  A
   19   001E   F5 A0           		MOV  P2,A
   20   0020   C2 D5           		CLR  F0
   21   0022   32              		RETI
   22   0023                   		END



           Lines Assembled :  22             Assembly Errors :  0