3.lst

我的大学单片机课程案例和ppt


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:	3.ASM
	Object File:	3.HEX
	List File:	3.LST



 Line  I  Addr  Code            Source

    1:		N      0000	 		ORG 0000H                       ;起始地址
    2:	  0000	01 30		      		AJMP MAIN                       ;跳到主程序入口
    3:		N      0030	      		ORG 0030H
    4:	  0030	75 90 FF	MAIN: 	MOV P1,#11111111B               ;熄灭所有LED灯
    5:	  0033	75 A0 FF	LOOP:	MOV P2,#11111111B               ;P2口赋初值
    6:	  0036	E5 A0		D0:		MOV A,P2                        ;把P2口的值写入A（读按键）
    7:	  0038	20 A0 06	      		JB  P2.0,D3                     ;P2.0没有按键就跳转到D3
    8:	  003B	75 90 FC	D00:	MOV P1, #11111100B      ;有按键则P1.0、P1.1的LED点亮
    9:	  003E	02 00 33	      		LJMP LOOP                       ;跳转到LOOP重新按键扫描
   10:	  0041	20 A3 06	D3:		JB P2.3,D7                      ; P2.3没有按键就跳转到D7
   11:	  0044	75 90 AA	D33:	MOV P1, #10101010B      ;有按键则P1.0、P1.2 、P1.4、P1.6的LED点亮
   12:	  0047	02 00 33	      		LJMP LOOP                       ;跳转到LOOP重新按键扫描
   13:	  004A	20 A7 E9	D7:		JB P2.7,D0                      ; P2.7没有按键就跳转到D0
   14:	  004D	7D 08		GO1:	MOV  R5,#8
   15:	  004F	74 FE		      		MOV A, #11111110B    ;有按键则P1口八个灯循环点亮
   16:	  0051	30 A0 E7	GO2:	JNB P2.0,D00
   17:	  0054	30 A3 ED			JNB P2.3,D33
   18:	  0057	F5 90				MOV P1,A
   19:	  0059	12 00 65			CALL  DELAY
   20:	  005C	23				RL  A
   21:	  005D	DD F2				DJNZ  R5,GO2
   22:	  005F	02 00 4D			LJMP GO1
   23:	  0062	02 00 33	      		LJMP LOOP                       ;跳转到LOOP重新按键扫描
   24:	  0065	7E C8		DELAY:MOV  R6,#200	    ;延时程序
   25:	  0067	7F C8		DE1:	MOV   R7,#200
   26:	  0069	DF FE		DE2:	DJNZ  R7,DE2
   27:	  006B	DE FA				DJNZ  R6,DE1
   28:	  006D	22				RET
   29:				      		END                             ;结束





                     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
D0				  CODE	    0036	   6
D00				  CODE	    003B	   8
D3				  CODE	    0041	  10
D33				  CODE	    0044	  11
D7				  CODE	    004A	  13
DE1				  CODE	    0067	  25
DE2				  CODE	    0069	  26
DELAY				  CODE	    0065	  24
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
GO1				  CODE	    004D	  14
GO2				  CODE	    0051	  16
IE				  DATA	      A8
IE0				  BIT	      89
IE1				  BIT	      8B
INT0				  BIT	      B2
INT1				  BIT	      B3
IP				  DATA	      B8
IT0				  BIT	      88
IT1				  BIT	      8A
LOOP				  CODE	    0033	   5
MAIN				  CODE	    0030	   4
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

ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 3



SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
REN				  BIT	      9C
RESET				  CODE	    0000
RI				  BIT	      98
RS0				  BIT	      D3
RS1				  BIT	      D4
RXD				  BIT	      B0
SBUF				  DATA	      99
SCON				  DATA	      98
SINT				  CODE	    0023
SM0				  BIT	      9F
SM1				  BIT	      9E
SM2				  BIT	      9D
SP				  DATA	      81
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