alarm.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:	ALARM.ASM
	Object File:	ALARM.HEX
	List File:	ALARM.LST



 Line  I  Addr  Code            Source

    1:				;本程序是一个以89C51为核心的声光报警器控制程序
    2:				;系统的晶振频率12MHz，外界报警触发脉冲接至INT0，报警复位按钮接P1.2，喇叭接P1.1
    3:				;当外界报警脉冲触发报警后，LED(接P1.0)以1Hz的频率闪动，同时喇叭种发出"Wu,Wa......"的警笛声
    4:				;该声音由1kHz和500Hz方波以0.5秒为间隔交替发声
    5:				;值班人员按动报警复位钮后声光报警停止。
    6:		N	 00	HISOUND	BIT	00H	;高音标志
    7:		B	 90	LED	BIT	P1.0	;驱动LED接口
    8:		B	 91	SPEAKER	BIT	P1.1	;喇叭
    9:		B	 92	STOP	BIT	P1.2	;复位按钮
   10:		N      000A	BR2	EQU	0AH	;1区R2
   11:		N      0000		ORG	0
   12:	  0000	02 00 30		LJMP	START
   13:		N      0003		ORG	3
   14:	  0003	02 00 6C		LJMP	ALARM
   15:		N      000B		ORG	0BH
   16:	  000B	02 00 71		LJMP	T0S
   17:		N      001B		ORG	1BH
   18:	  001B	02 00 89		LJMP	T1S
   19:		N      0030		ORG	30H
   20:	  0030	75 81 60	START:	MOV	SP,#60H
   21:	  0033	75 0A 0A		MOV	BR2,#10
   22:	  0036	D2 88			SETB	IT0
   23:	  0038	D2 A9			SETB	ET0
   24:	  003A	D2 AB			SETB	ET1
   25:	  003C	D2 A8			SETB	EX0
   26:	  003E	D2 B9			SETB	PT0
   27:	  0040	D2 AF			SETB	EA
   28:	  0042	D2 00			SETB	HISOUND
   29:	  0044	D2 90			SETB	LED	;熄灭LED
   30:	  0046	C2 91			CLR	SPEAKER
   31:	  0048	75 89 11		MOV	TMOD,#11H
   32:	  004B	75 8C FE		MOV	TH0,#0FEH
   33:	  004E	75 8A 0C		MOV	TL0,#0CH
   34:	  0051	75 8D 3C		MOV	TH1,#3CH
   35:	  0054	75 8B B0		MOV	TL1,#0B0H
   36:	  0057	D2 92			SETB	STOP	;允许报警复位按钮输入
   37:	  0059	20 92 FD	LOOP:	JB	STOP,LOOP
   38:	  005C	12 00 A4		LCALL	DELAY	;消除开关抖动
   39:	  005F	20 92 F7		JB	STOP,LOOP
   40:	  0062	C2 8C			CLR	TR0
   41:	  0064	C2 8E			CLR	TR1
   42:	  0066	D2 90			SETB	LED	;熄灭LED
   43:	  0068	C2 91			CLR	SPEAKER

ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 2



 Line  I  Addr  Code            Source

   44:	  006A	80 ED			SJMP	LOOP
   45:	  006C	D2 8C		ALARM:	SETB	TR0
   46:	  006E	D2 8E			SETB	TR1
   47:	  0070	32			RETI
   48:	  0071	C2 8C		T0S:	CLR	TR0
   49:	  0073	20 00 08		JB	HISOUND,T0S1
   50:	  0076	75 8C FC		MOV	TH0,#0FCH
   51:	  0079	75 8A 18		MOV	TL0,#18H
   52:	  007C	80 06			SJMP	T0S2
   53:	  007E	75 8C FE	T0S1:	MOV	TH0,#0FEH
   54:	  0081	75 8A 0C		MOV	TL0,#0CH
   55:	  0084	D2 8C		T0S2:	SETB	TR0
   56:	  0086	B2 91			CPL	SPEAKER
   57:	  0088	32			RETI
   58:	  0089	C0 D0		T1S:	PUSH	PSW
   59:	  008B	D2 D3			SETB	RS0
   60:	  008D	C2 D4			CLR	RS1
   61:	  008F	C2 8E			CLR	TR1
   62:	  0091	75 8D 3C		MOV	TH1,#3CH
   63:	  0094	75 8B B0		MOV	TL1,#0B0H
   64:	  0097	D2 8E			SETB	TR1
   65:	  0099	DA 06			DJNZ	R2,T1S1
   66:	  009B	7A 0A			MOV	R2,#10
   67:	  009D	B2 00			CPL	HISOUND
   68:	  009F	B2 90			CPL	LED
   69:	  00A1	D0 D0		T1S1:	POP	PSW
   70:	  00A3	32			RETI
   71:	  00A4	7E 14		DELAY:	MOV	R6,#20
   72:	  00A6	7F FA		L1:	MOV	R7,#250
   73:	  00A8	00		L2:	NOP
   74:	  00A9	00			NOP
   75:	  00AA	DF FC			DJNZ	R7,L2
   76:	  00AC	DE F8			DJNZ	R6,L1
   77:	  00AE	22			RET
   78:					END





                     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
ALARM				  CODE	    006C	  45
B				  DATA	      F0
BR2				  NUMBER    000A	  10
CY				  BIT	      D7
DELAY				  CODE	    00A4	  71
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
HISOUND				  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	    00A6	  72
L2				  CODE	    00A8	  73
LED				  BIT	      90	   7
LOOP				  CODE	    0059	  37
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
SM0				  BIT	      9F
SM1				  BIT	      9E
SM2				  BIT	      9D
SP				  DATA	      81
SPEAKER				  BIT	      91	   8
START				  CODE	    0030	  20
STOP				  BIT	      92	   9
T0				  BIT	      B4
T0S				  CODE	    0071	  48
T0S1				  CODE	    007E	  53
T0S2				  CODE	    0084	  55
T1				  BIT	      B5
T1S				  CODE	    0089	  58
T1S1				  CODE	    00A1	  69
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