full3.lst

本程序是用C51编写的


ASEM-51 V1.3                                         Copyright (c) 2002 by W.W. Heinz                                         PAGE 1





       MCS-51 Family Macro Assembler   A S E M - 5 1   V 1.3
       =====================================================



	Source File:	FULL3.ASM
	Object File:	FULL3.hex
	List File:	FULL3.lst



 Line  I  Addr  Code            Source

    1:		N      0000		ORG	00H
    2:	  0000	02 00 26		JMP	START
    3:		N      0023		ORG	23H		;
    4:	  0023	02 00 4A		JMP	UART		;串口中断服务程序
    5:				;--------------------------------
    6:	  0026	75 81 60	START:	MOV	SP,#60H		;设定堆栈
    7:	  0029	75 98 50		MOV	SCON,#50H	;设置串口工作在模式1
    8:	  002C	75 89 20		MOV	TMOD,#20H	;定时器1工作在模式2
    9:	  002F	75 8D E6		MOV	TH1,#0E6H	;设定波特率1200波特
   10:	  0032	D2 8E			SETB	TR1		;启动定时器1
   11:	  0034	75 A8 90		MOV	IE,#10010000B	;中断使能
   12:	  0037	75 30 FF		MOV	30H,#0FFH	;设定拨码开关的初值
   13:	  003A	E5 90		SCAN0:	MOV	A,P1		;读入P1口的值
   14:	  003C	B5 30 02		CJNE	A,30H,KEYIN	;判断值是否有变化，有变化则跳转至KEYIN
   15:	  003F	80 F9			JMP	SCAN0		;重新扫描
   16:	  0041	F5 30		KEYIN:	MOV	30H,A		;保存新值
   17:	  0043	F5 99			MOV	SBUF,A		;串口输出
   18:	  0045	10 99 F2	WAIT:	JBC	TI,SCAN0	;判断是否发送完毕？发送完毕则跳转至SCAN0
   19:	  0048	80 FB			JMP	WAIT		;
   20:	  004A	C0 E0		UART:	PUSH	ACC		;压栈
   21:	  004C	C0 D0			PUSH	PSW		;
   22:	  004E	10 98 03		JBC	RI,L2		;是否接收中断？
   23:	  0051	02 00 58		JMP	RETURN		;
   24:	  0054	E5 99		L2:	MOV	A,SBUF		;将SBUF的值输入
   25:	  0056	F5 A0			MOV	P2,A		;输出到P2口
   26:	  0058	D0 D0		RETURN:	POP	PSW		;出栈
   27:	  005A	D0 E0			POP	ACC		;
   28:	  005C	32			RETI
   29:					END





                     register banks used:  ---

                     no errors




ASEM-51 V1.3                                         Copyright (c) 2002 by W.W. Heinz                                         PAGE 2





	       L I S T   O F   S Y M B O L S
	       =============================


SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
??ASEM_51			  NUMBER    8051
??VERSION			  NUMBER    0130
AC				  BIT	      D6
ACC				  DATA	      E0
B				  DATA	      F0
CY				  BIT	      D7
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
KEYIN				  CODE	    0041	  16
L2				  CODE	    0054	  24
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
RETURN				  CODE	    0058	  26
RI				  BIT	      98
RS0				  BIT	      D3
RS1				  BIT	      D4
RXD				  BIT	      B0
SBUF				  DATA	      99

ASEM-51 V1.3                                         Copyright (c) 2002 by W.W. Heinz                                         PAGE 3



SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
SCAN0				  CODE	    003A	  13
SCON				  DATA	      98
SINT				  CODE	    0023
SM0				  BIT	      9F
SM1				  BIT	      9E
SM2				  BIT	      9D
SP				  DATA	      81
START				  CODE	    0026	   6
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
UART				  CODE	    004A	  20
WAIT				  CODE	    0045	  18
WR				  BIT	      B6