h16032.asm

液晶显示屏的资料集锦

;***************************************************************************
;*  Title :	Accessing to LCD-CONTROLLER                                *
;*  Date : 	99.4.6                                                    *  
;*  Support telephone:	[phone](ChangSha SUMAN)               *
;*  Support fax :	[phone]                                       *    
;*  Create by :	褚建军(chujianjun),朱长春(zhuchangchun)                    *
;*  DESCRIPTION:This subroutine shows how to write data to LCD-CONTROLLER  *
;***************************************************************************
XPOS	EQU	20H
YPOS	EQU	21H	
	ORG        0000H
        JMP        START
START:  MOV     SP,#60H
        CALL    LCDRESET
MAIN:        
        MOV	A,#55H
        CALL	LCDFILL
        MOV	DPTR,#STRING1
        CALL	PUTSTR
        CALL	PUTSTR
        CALL	PUTSTR
        CALL	PUTSTR
        JMP	MAIN
GETSTRCHAR:        
GSC_PA:	
	CLR	A
	MOVC	A,@A+DPTR
	INC	DPTR
	MOV	B,A
	INC	A
	CLR	C
	JZ	GSC_LAX
	CLR	A
	MOVC	A,@A+DPTR
	INC	DPTR
	SETB	C
GSC_LAX:	
	RET
PUTSTR:
	CALL	DELAY
	CALL	GETSTRCHAR
	PUSH	DPL
	PUSH	DPH
	JNC	PSR_LAX
	JNB	B.7,PSR_LBY
;CHINESE:
	CALL	HZKPOS
	CALL	PUTCHARDOT
	CALL	PUTCHARDOT
	JMP	PSR_LBX
PSR_LBY:
;ENGLISH:
	CALL	HZKPOS
	CALL	PUTCHARDOT
PSR_LBX:
	POP	DPH
	POP	DPL
	JMP	PUTSTR
PSR_LAX:POP	DPH
	POP	DPL	
	RET
HZKPOS:
	MOV	R2,#5
HTP_PA:	
	CLR	C
	RLC	A
	XCH	A,B
	RLC	A
	XCH	A,B
	DJNZ	R2,HTP_PA
	
	MOV	DPTR,#HZKDOT
	ADD	A,DPL
	MOV	DPL,A
	MOV	A,B
	ADDC	A,DPH
	MOV	DPH,A
	RET	
DELAY:
	MOV	R6,#2
DLY_PA:	MOV	R5,#0
DLY_PB:	MOV	R4,#0
	DJNZ	R4,$
	DJNZ	R5,DLY_PB
	DJNZ	R6,DLY_PA
	RET        
LCDFILL:
	MOV	R7,A
	MOV	XPOS,#0
	MOV	YPOS,#0
LFL_PA:	MOV	A,R7
	CALL	LCDWRITE
	CALL	CUSORNEXT
	MOV	A,XPOS
	ORL	A,YPOS
	JNZ	LFL_PA
	RET

	INCLUDE "SB16032.ASM"	
HZKDOT:	
	INCLUDE "SEND\16032\HZKLIB.ASM"
	INCLUDE "SEND\16032\HZKSTR.ASM"	
       	END