ex8-3.lst

《单片机原理实用教程——基于Proteus虚拟仿真》一书的配套光盘


ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 1





       MCS-51 Family Cross Assembler   A S E M - 5 1   V 1.2
       =====================================================



	Source File:	EX8-3.ASM
	Object File:	EX8-3.HEX
	List File:	EX8-3.LST



 Line  I  Addr  Code            Source

    1:
    2:		N      0000		ORG 0000H
    3:	  0000	02 00 30	START:	LJMP MAIN
    4:		N      0030		ORG 0030H
    5:	  0030	75 40 50	MAIN:  	MOV    40H,#050H           ;模拟电压输出数据
    6:	  0033	75 41 80		MOV    41H,#080H
    7:	  0036	75 42 C0		MOV    42H,#0C0H
    8:	  0039	75 43 F0		MOV    43H,#0F0H
    9:	  003C	78 40			MOV    R0,#40H
   10:	  003E	7A 00			MOV    R2,#00H
   11:	  0040	7F 04			MOV    R7,#04H
   12:	  0042	EA		LOOP:	MOV    A,R2
   13:	  0043	F5 90			MOV    P1,A 		  ;选通多路开关
   14:	  0045	90 7F FF		MOV   DPTR,#07FFFH        ;选通DAC0832
   15:	  0048	E6			MOV   A,@R0
   16:	  0049	F0			MOVX  @DPTR,A             ;输出数据
   17:	  004A	11 52			ACALL DELAY               ;延时
   18:	  004C	08			INC   R0
   19:	  004D	0A			INC   R2
   20:	  004E	DF F2			DJNZ  R7,LOOP
   21:	  0050	80 FE			SJMP  $
   22:	  0052	7D 03		DELAY:  MOV R5,#03H		  ;延时子程序
   23:	  0054	7E FF		l2:	MOV R6,#0FFH
   24:	  0056	DE FE		L1:	DJNZ R6,l1
   25:	  0058	DD FA			DJNZ R5,L2
   26:	  005A	22			RET
   27:				  	END





                     register banks used:  ---

                     no errors




ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 2





	       L I S T   O F   S Y M B O L S
	       =============================


SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
AC				  BIT	      D6
ACC				  DATA	      E0
B				  DATA	      F0
CY				  BIT	      D7
DELAY				  CODE	    0052	  22
DPH				  DATA	      83
DPL				  DATA	      82
EA				  BIT	      AF
ES				  BIT	      AC
ET0				  BIT	      A9
ET1				  BIT	      AB
EX0				  BIT	      A8
EX1				  BIT	      AA
EXTI0				  CODE	    0003
EXTI1				  CODE	    0013
F0				  BIT	      D5
IE				  DATA	      A8
IE0				  BIT	      89
IE1				  BIT	      8B
INT0				  BIT	      B2
INT1				  BIT	      B3
IP				  DATA	      B8
IT0				  BIT	      88
IT1				  BIT	      8A
L1				  CODE	    0056	  24
L2				  CODE	    0054	  23
LOOP				  CODE	    0042	  12
MAIN				  CODE	    0030	   5
OV				  BIT	      D2
P				  BIT	      D0
P0				  DATA	      80
P1				  DATA	      90
P2				  DATA	      A0
P3				  DATA	      B0
PCON				  DATA	      87
PS				  BIT	      BC
PSW				  DATA	      D0
PT0				  BIT	      B9
PT1				  BIT	      BB
PX0				  BIT	      B8
PX1				  BIT	      BA
RB8				  BIT	      9A
RD				  BIT	      B7
REN				  BIT	      9C
RESET				  CODE	    0000
RI				  BIT	      98
RS0				  BIT	      D3
RS1				  BIT	      D4
RXD				  BIT	      B0
SBUF				  DATA	      99

ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 3



SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
SCON				  DATA	      98
SINT				  CODE	    0023
SM0				  BIT	      9F
SM1				  BIT	      9E
SM2				  BIT	      9D
SP				  DATA	      81
START				  CODE	    0000	   3
T0				  BIT	      B4
T1				  BIT	      B5
TB8				  BIT	      9B
TCON				  DATA	      88
TF0				  BIT	      8D
TF1				  BIT	      8F
TH0				  DATA	      8C
TH1				  DATA	      8D
TI				  BIT	      99
TIMER0				  CODE	    000B
TIMER1				  CODE	    001B
TL0				  DATA	      8A
TL1				  DATA	      8B
TMOD				  DATA	      89
TR0				  BIT	      8C
TR1				  BIT	      8E
TXD				  BIT	      B1
WR				  BIT	      B6