text1.src

单片机快速入门原程序

; .\Text1.SRC generated from: Text1.c
; COMPILER INVOKED BY:
;        e:\Keil\C51\BIN\C51.EXE Text1.c BROWSE DEBUG OBJECTEXTEND SRC(.\Text1.SRC)

$NOMOD51

NAME	TEXT1

P0	DATA	080H
P1	DATA	090H
P2	DATA	0A0H
P3	DATA	0B0H
T0	BIT	0B0H.4
AC	BIT	0D0H.6
T1	BIT	0B0H.5
EA	BIT	0A8H.7
IE	DATA	0A8H
RD	BIT	0B0H.7
ES	BIT	0A8H.4
IP	DATA	0B8H
RI	BIT	098H.0
INT0	BIT	0B0H.2
CY	BIT	0D0H.7
TI	BIT	098H.1
INT1	BIT	0B0H.3
PS	BIT	0B8H.4
SP	DATA	081H
OV	BIT	0D0H.2
WR	BIT	0B0H.6
SBUF	DATA	099H
PCON	DATA	087H
SCON	DATA	098H
TMOD	DATA	089H
TCON	DATA	088H
IE0	BIT	088H.1
IE1	BIT	088H.3
B	DATA	0F0H
ACC	DATA	0E0H
ET0	BIT	0A8H.1
ET1	BIT	0A8H.3
TF0	BIT	088H.5
TF1	BIT	088H.7
RB8	BIT	098H.2
TH0	DATA	08CH
EX0	BIT	0A8H.0
IT0	BIT	088H.0
TH1	DATA	08DH
TB8	BIT	098H.3
EX1	BIT	0A8H.2
IT1	BIT	088H.2
P	BIT	0D0H.0
SM0	BIT	098H.7
TL0	DATA	08AH
SM1	BIT	098H.6
TL1	DATA	08BH
SM2	BIT	098H.5
PT0	BIT	0B8H.1
PT1	BIT	0B8H.3
RS0	BIT	0D0H.3
TR0	BIT	088H.4
RS1	BIT	0D0H.4
TR1	BIT	088H.6
PX0	BIT	0B8H.0
PX1	BIT	0B8H.2
DPH	DATA	083H
DPL	DATA	082H
REN	BIT	098H.4
RXD	BIT	0B0H.0
TXD	BIT	0B0H.1
F0	BIT	0D0H.5
PSW	DATA	0D0H
?PR?main?TEXT1       SEGMENT CODE 
?PR?Uart_Init?TEXT1  SEGMENT CODE 
	EXTRN	XDATA (nTempa)
	EXTRN	XDATA (nTempb)
	EXTRN	CODE (Delay)
	EXTRN	CODE (?C_STARTUP)
	PUBLIC	Uart_Init
	PUBLIC	main
; #include <reg51.h>
; #include<stdio.h>
; extern void cFunc();
; #define uchar unsigned char	//uchar代表单个字节无符号数
; #define uint unsigned int	//uint无符号字
; Uart_Init();			//输出口初始化
; extern void Delay(); 		//延时程序
; extern xdata int nTempa;
; extern xdata int nTempb;
; main()

	RSEG  ?PR?main?TEXT1
main:
	USING	0
			; SOURCE LINE # 10
; {nTempa=1;
			; SOURCE LINE # 11
	MOV  	DPTR,#nTempa
	CLR  	A
	MOVX 	@DPTR,A
	INC  	DPTR
	INC  	A
	MOVX 	@DPTR,A
; nTempb=2;
			; SOURCE LINE # 12
	MOV  	DPTR,#nTempb
	CLR  	A
	MOVX 	@DPTR,A
	INC  	DPTR
	MOV  	A,#02H
	MOVX 	@DPTR,A
; 
; EX0=1;
			; SOURCE LINE # 14
	SETB 	EX0
; EX1=1;
			; SOURCE LINE # 15
	SETB 	EX1
; EA=1;
			; SOURCE LINE # 16
	SETB 	EA
?C0001:
; 
; 	while(1) Delay(); 
			; SOURCE LINE # 18
	LCALL	Delay
	SJMP 	?C0001
; END OF main

; }
; Uart_Init()

	RSEG  ?PR?Uart_Init?TEXT1
Uart_Init:
			; SOURCE LINE # 20
; 	{SCON = 0x52;    /* 设置串行口控制寄存器SCON*/
			; SOURCE LINE # 21
	MOV  	SCON,#052H
; 	 TMOD = 0x21;    /* 12M时钟时波特率为2400  */
			; SOURCE LINE # 22
	MOV  	TMOD,#021H
; 	 TCON = 0x69;    /* TCON */
			; SOURCE LINE # 23
	MOV  	TCON,#069H
; 	 TH1 =  0xf3;    /* TH1 */
			; SOURCE LINE # 24
	MOV  	TH1,#0F3H
; 	}
			; SOURCE LINE # 25
	RET  	
; END OF Uart_Init

	END