2.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:	2.ASM
	Object File:	2.HEX
	List File:	2.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
    7:	  0038	20 A0 05	      	JB  P2.0,D1                     ;A的值不等11111110 就跳转到D1
    8:	  003B	F5 90		      	MOV P1,A                        ;相等就把A的值送到P1去显示
    9:	  003D	02 00 33	      	LJMP LOOP                       ;跳转到LOOP重新按键扫描
   10:	  0040	20 A1 05	D1:	JB  P2.1,D2                     ;A的值不等11111101 就跳转到D2
   11:	  0043	F5 90		      	MOV P1,A                        ;相等就把A的值送到P1去显示
   12:	  0045	02 00 33	      	LJMP LOOP                       ;跳转到LOOP重新按键扫描
   13:	  0048	20 A2 05	D2:	JB  P2.2,D3                     ;A的值不等11111011 就跳转到D3
   14:	  004B	F5 90		      	MOV P1,A                        ;相等就把A的值送到P1去显示
   15:	  004D	02 00 33	      	LJMP LOOP                       ;跳转到LOOP重新按键扫描
   16:	  0050	20 A3 05	D3:	JB P2.3,D4                      ;A的值不等11110111 就跳转到D4
   17:	  0053	F5 90		      	MOV P1,A                        ;相等就把A的值送到P1去显示
   18:	  0055	02 00 33	      	LJMP LOOP                       ;跳转到LOOP重新按键扫描
   19:	  0058	20 A4 05	D4:	JB P2.4,D5                      ;A的值不等11101111 就跳转到D5
   20:	  005B	F5 90		      	MOV P1,A                        ;相等就把A的值送到P1去显示
   21:	  005D	02 00 33	      	LJMP LOOP                       ;跳转到LOOP重新按键扫描
   22:	  0060	20 A5 05	D5:	JB P2.5,D6                      ;A的值不等11011111 就跳转到D6
   23:	  0063	F5 90		      	MOV P1,A                        ;相等就把A的值送到P1去显示
   24:	  0065	02 00 33	      	LJMP LOOP                       ;跳转到LOOP重新按键扫描
   25:	  0068	20 A6 05	D6:	JB P2.6,D7                      ;A的值不等10111111 就跳转到D7
   26:	  006B	F5 90		      	MOV P1,A                        ;相等就把A的值送到P1去显示
   27:	  006D	02 00 33	      	LJMP LOOP                       ;跳转到LOOP重新按键扫描
   28:	  0070	20 A7 C3	D7:	JB P2.7,D0                      ;A的值不等01111111 就跳转到D0
   29:	  0073	F5 90		      	MOV P1,A                        ;相等就把A的值送到P1去显示
   30:	  0075	02 00 33	      	LJMP LOOP                       ;跳转到LOOP重新按键扫描
   31:				      	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
D1				  CODE	    0040	  10
D2				  CODE	    0048	  13
D3				  CODE	    0050	  16
D4				  CODE	    0058	  19
D5				  CODE	    0060	  22
D6				  CODE	    0068	  25
D7				  CODE	    0070	  28
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
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
REN				  BIT	      9C
RESET				  CODE	    0000

ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 3



SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
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