liushui.lst

多个仿真例子

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



 Line  I  Addr  Code            Source

    1:				;这是一个流水灯控制程序，P1口接有8个LED，低电平点亮
    2:				;P3.0接有一个拨动开关K1，高电平时灯从上向下流动，低电平时相反
    3:				;P3.1接有一个按钮开关K2。按一下则流水灯开始流动，
    4:				;再按一下则停止流动，已点亮的LED以1Hz的频率闪动。
    5:				;流水灯相邻两灯点亮间隔250mS
    6:		N	 00	FLASH	BIT	00H
    7:		N      0000		ORG	0
    8:	  0000	02 00 40		LJMP	START
    9:		N      0030		ORG	30H
   10:	  0030	7E FA		D250MS:	MOV	R6,#250
   11:	  0032	7F FA		L1:	MOV	R7,#250
   12:	  0034	00		L2:	NOP
   13:	  0035	00			NOP
   14:	  0036	DF FC			DJNZ	R7,L2
   15:	  0038	DE F8			DJNZ	R6,L1
   16:	  003A	20 B1 02		JB	P3.1,L3
   17:	  003D	B2 00			CPL	FLASH
   18:	  003F	22		L3:	RET
   19:	  0040	75 81 60	START:	MOV	SP,#60H
   20:	  0043	D2 B0			SETB	P3.0
   21:	  0045	D2 B1			SETB	P3.1	;设P3.0，P3.1为输入状态
   22:	  0047	C2 00			CLR	FLASH
   23:	  0049	74 FE			MOV	A,#0FEH
   24:	  004B	20 B0 03	LOOP:	JB	P3.0,LM
   25:	  004E	03			RR	A
   26:	  004F	80 01			SJMP	OUT
   27:	  0051	23		LM:	RL	A
   28:	  0052	F5 90		OUT:	MOV	P1,A
   29:	  0054	12 00 30		LCALL	D250MS
   30:	  0057	30 00 F1	SL:	JNB	FLASH,LOOP
   31:	  005A	75 90 FF		MOV	P1,#0FFH
   32:	  005D	12 00 30		LCALL	D250MS
   33:	  0060	30 00 E8		JNB	FLASH,LOOP
   34:	  0063	12 00 30		LCALL	D250MS
   35:	  0066	30 00 E2		JNB	FLASH,LOOP
   36:	  0069	F5 90			MOV	P1,A
   37:	  006B	12 00 30		LCALL	D250MS
   38:	  006E	30 00 DA		JNB	FLASH,LOOP
   39:	  0071	12 00 30		LCALL	D250MS
   40:	  0074	80 E1			SJMP	SL
   41:					END
   42:

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







                     register banks used:  ---

                     no errors




ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 3





	       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
D250MS				  CODE	    0030	  10
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
FLASH				  BIT	      00	   6
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	    0032	  11
L2				  CODE	    0034	  12
L3				  CODE	    003F	  18
LM				  CODE	    0051	  27
LOOP				  CODE	    004B	  24
OUT				  CODE	    0052	  28
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

ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 4



SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
RS1				  BIT	      D4
RXD				  BIT	      B0
SBUF				  DATA	      99
SCON				  DATA	      98
SINT				  CODE	    0023
SL				  CODE	    0057	  30
SM0				  BIT	      9F
SM1				  BIT	      9E
SM2				  BIT	      9D
SP				  DATA	      81
START				  CODE	    0040	  19
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