inter0-0.lst

单片机的仿真实例!用的是Proteus作的,大家有需要的尽管下吧


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:	INTER0-0.ASM
	Object File:	INTER0-0.HEX
	List File:	INTER0-0.LST



 Line  I  Addr  Code            Source

    1:		N      0000		ORG 00H
    2:	  0000	02 00 30		JMP MAIN
    3:		N      0003		ORG 03H		;INT0中断子程序起始地址
    4:	  0003	02 00 43		JMP EXT0	;中断子程序
    5:		N      0030		ORG 30H
    6:	  0030	75 A8 81	MAIN:	MOV	IE,#10000001B	;INT0中断使能
    7:	  0033	75 B8 01		MOV	IP,#00000001B	;INT0中断优先
    8:	  0036	75 88 00		MOV	TCON,#00000000B	;INTO为下降沿触发
    9:	  0039	75 81 70		MOV	SP,#70H		;设定堆栈指针
   10:	  003C	7A 00			MOV	R2,#00		;设置记数初值
   11:				;--------------------------------------------------
   12:	  003E	EA		LOOP:	MOV	A,R2		;读取十进制记数值
   13:	  003F	F5 A0			MOV	P2,A		;显示
   14:	  0041	80 FB			JMP	LOOP		;循环
   15:	  0043	C0 E0		EXT0:	PUSH	ACC		;压入堆栈
   16:	  0045	C0 D0			PUSH	PSW		;
   17:	  0047	EA			MOV	A,R2		;
   18:	  0048	24 01			ADD	A,#01H		;计数指针加1
   19:	  004A	D4			DA	A		;做十进制调整
   20:	  004B	FA			MOV	R2,A		;存入R2
   21:	  004C	12 00 54		CALL	DELAY		;延时
   22:	  004F	D0 D0			POP	PSW		;出栈
   23:	  0051	D0 E0			POP	ACC		;
   24:	  0053	32			RETI			;中断返回
   25:				;-----------------------------------------------
   26:	  0054	7D 14		DELAY:	MOV	R5,#20		;延时程序
   27:	  0056	7E 32		D1:	MOV	R6,#50		;
   28:	  0058	7F F8		D2:	MOV	R7,#248		;
   29:	  005A	DF FE			DJNZ	R7,$		;
   30:	  005C	DE FA			DJNZ	R6,D2		;
   31:	  005E	DD F6			DJNZ	R5,D1		;
   32:	  0060	22			RET
   33:					END
   34:





                     register banks used:  ---

                     no errors

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






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
D1				  CODE	    0056	  27
D2				  CODE	    0058	  28
DELAY				  CODE	    0054	  26
DPH				  DATA	      83
DPL				  DATA	      82
EA				  BIT	      AF
ES				  BIT	      AC
ET0				  BIT	      A9
ET1				  BIT	      AB
EX0				  BIT	      A8
EX1				  BIT	      AA
EXT0				  CODE	    0043	  15
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	    003E	  12
MAIN				  CODE	    0030	   6
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

ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 4



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