xdemo.asm

详细的液晶资料

RS		BIT	P3.4
R_W		BIT	P3.5
ENABLE		BIT	P3.3
SCL		BIT	P2.3
SDA		BIT	P2.4
ROMA0		BIT	P2.5
ROMA1		BIT	P2.6
ROMA2		BIT	P2.7
DQ1		BIT	P2.0
BITT1		BIT	10H
DB0_DB7 	DATA	P1
DATA1		DATA	30H
DATA2		DATA	31H
BCCLWD		DATA	32H
BCCLWD1		DATA	33H
DATA3		DATA	34H
DATA4		DATA	35H
DATA5		DATA	36H
CLOCKS		DATA	50H
CLOCKM		DATA	51H
CLOCKH		DATA	52H
;************************************************************
		ORG	00H
         	JMP	START1
		ORG     000BH
		AJMP	INSERS
		
		ORG	50H
START1:		MOV	TMOD,#0
		MOV	TL0,#0H
		MOV 	TH0,#00H
		mov	sp,#60h
		mov	tmod,#20h
		mov	th1,#0fdh
		mov	tl1,#0fdh
		mov	scon,#50h
		mov	pcon,#00h
		SETB	EA
		SETB	ET0
		SETB	TR0
		
		SETB	RS0
		MOV	R5,#30
		CLR	RS0
		CLR	P2.2
		CLR	P2.1
		SETB	P2.0
		MOV	DATA1,#26H	;串行EEPROM写入值
		CLR	ROMA0
		CLR	ROMA1
		CLR	ROMA2
START:		
	
		CALL	Initial
		CALL	CLS
		CALL	SAVE_FONT
		MOV	A,#10000000B		;set the address
		CALL	Write_instruction
		MOV	DPTR,#LINE4
		CALL 	PR_STRING
	
		MOV	A,#11000000B		;set the address
		CALL	Write_instruction
		MOV	DPTR,#LINE5
		CALL 	PR_STRING
		LCALL	DELAY1

		LCALL	CLS
		MOV	A,#10000000B		;set the address
		CALL	Write_instruction
		MOV	DPTR,#LINE6
		CALL 	PR_STRING

		MOV	A,#11000000B		;set the address
		CALL	Write_instruction
		MOV	DPTR,#LINE7
		CALL 	PR_STRING
		LCALL	DELAY1
	
		LCALL	CLS
		MOV	A,#10000000B		;set the address
		CALL	Write_instruction
		MOV	DPTR,#LINE8
		CALL 	PR_STRING
	
		MOV	A,#11000000B		;set the address
		CALL	Write_instruction
		MOV	DPTR,#LINE9
		CALL 	PR_STRING
		CALL	DELAY1
		CALL	DELAY1
	
		LCALL	CLS
		MOV	A,#10000000B		;set the address
		CALL	Write_instruction
		LCALL	WEEPROM
		LCALL	DELAY
		LCALL	REEPROM
		MOV	DPTR,#LINE1
		CALL 	PR_STRING
		MOV	A,DATA1			;显示串行EEPROM写入值
		LCALL	CL
		MOV	DPTR,#LINE2
		CALL 	PR_STRING
	
		MOV	A,DATA2			;显示串行EEPROM读出值
		LCALL	CL
		MOV 	A,#11000000B
		CALL 	Write_instruction
		MOV	DPTR,#LINE3
		CALL 	PR_STRING
		MOV	A,DATA5
		LCALL	CL
	
		LCALL	DELAY1
		LCALL	DELAY1
		MOV	R2,#4
		MOV 	R1,#0
LOOP:		LJMP	START
LINE1:		DB	"EEPROM:W ",00H
LINE2:		DB	" R ",00H
LINE3:		DB	"SER:S<good> R ",00H
LINE4:		DB	"--Welcome to JIN",00H
LINE5:		DB	"YIBEI company--.",00H
LINE6:		DB	"We have excellen",00H
LINE7:		DB	"t products fine ",00H
LINE8:		DB	"service. please ",00H
LINE9:		DB	"dial:10-82620612",00H

ACM:		DB 	30H,31H,32H,33H,34H,35H,36H,37H,38H,39H,41H,42H,43H,44H,45H,46H,3AH,48H,3AH

;