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標題: 簡單的lcd的控制 [打印本頁]
作者: 你好1111    時間: 2017-12-29 14:02
標題: 簡單的lcd的控制
        RS EQU 0B0h        ;P3.0：數據、命令輸入控制端      
        RW EQU 0B1H        ;P3.1：數據讀寫控制端
        E EQU  0B2H        ;P3.2: 使能控制端
        CS1 EQU 0B4H        ;P3.4：LCD左半區控制芯片片選
        CS2 EQU 0B5H        ;P3.5：LCD右半區控制芯片片選
                        ;P1口作為數據總線
        ORG  0000H
        LJMP RST
        ORG  0080H            
;*****************************************************
RST:         MOV R7, #04H
        LCALL DELAYXMS
        CLR E
        SETB RS
        SETB CS1                ;SELECT-CS1
        CLR CS2
        CLR RS
        MOV P1, #3FH                  ;DISPLAY ON
        LCALL WRITE
        MOV R7, #01H
        SETB CS2                ;SELECT-CS2
        CLR CS1
        CLR RS
        MOV P1, #3FH                 ;DISPLAY ON
        LCALL WRITE
MAIN:        MOV R7, #0FH
        MOV DPTR, #TAB5
        LCALL ZXL
        MOV R7,#03FH
        LCALL DELAYXMS          ;延時子程序
        LJMP $
        LJMP MAIN
        ;***************************************************
ZXL:        CLR CS2
        SETB CS1                ;S-CS1有效
        LCALL XPAGE                ;R0=08H,R2=B8H,Z=Y=PAG=00
        LCALL COM
        CLR CS1
        SETB CS2                 ;S-CS2有效
        LCALL XPAGE
        LCALL COM
        RET
        ;*****************************************************
XPAGE:  CLR E
        CLR RS
        MOV P1, #0C0H        ;SET-Z=00,FIRST 第一行
        LCALL WRITE
        MOV P1, #40H        ;SET-Y=00,FIRST L第一列
        LCALL WRITE
        MOV R0, #08H               
        MOV R2, #0B8H
        MOV P1, #0B8H        ;SET-PAG=00 第一頁
        LCALL WRITE
        RET
;******************************************************
COM:    CLR 00H        
COM1:        MOV R1, #40H                ;R0=#08H,R2=#0B8H
        MOV R3,#10H
        SETB RS                ;WR-DATA
        PUSH DPH
        PUSH DPL
J4:        CLR A
        MOVC A, @A+DPTR        ;DPTR=#TAB5
        MOV P1, A
        LCALL WRITE
        INC DPTR
        DJNZ R3,J41
        MOV R3,#10H
        CLR C
        MOV A,DPL
        ADD A,#10H
        MOV DPL,A
        JNC J41
        INC DPH          
J41:        DJNZ R1, J4                ;LOAD-64-BYTE
        CLR RS                ;WR-COMD
        INC R2
        MOV P1, R2
        LCALL WRITE                ;SET-PAG=01
        MOV P1, #40H                ;SET-Y=00H
        LCALL WRITE
        POP DPL
        POP DPH
        CPL 00H
        JNB 00H,J43
        CLR C
        MOV A,DPL
        ADD A,#10H
        MOV DPL,A
        JNC J42
        INC DPH          
        AJMP J42
J43:        CLR C
        MOV A,DPL
        ADD A,#70H
        MOV DPL,A
        JNC J42
        INC DPH          
J42:    DJNZ R0, COM1
        RET
;***************************************************
WRITE:  CLR RW                       ;寫數據或命令子程序
        CLR E
        SETB E
        LCALL DELAY2MS
        CLR E
        RET
;*********************************
DELAY2MS:        MOV R6, #02H            ;延時2MS子程序
DELAY0:         MOV R5, #0FH
DELAY1:         DJNZ R5, DELAY1
                DJNZ R6, DELAY0
                RET
;*************************************
DELAYXMS:         MOV R5, #40H            ;延時子程序
D1:                 MOV R6, #0FFH
D2:                 DJNZ R6, D2
                DJNZ R5, D1
                DJNZ R7, DELAYXMS
                RET

TAB5:   DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
        DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
        DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
        DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
;--  文字:  歡  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  14H,24H,44H,84H,64H,1CH,20H,18H,0FH,0E8H,08H,08H,28H,18H,08H,00H
DB  20H,10H,4CH,43H,43H,2CH,20H,10H,0CH,03H,06H,18H,30H,60H,20H,00H

;--  文字:  迎  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  40H,41H,0CEH,04H,00H,0FCH,04H,02H,02H,0FCH,04H,04H,04H,0FCH,00H,00H
DB  40H,20H,1FH,20H,40H,47H,42H,41H,40H,5FH,40H,42H,44H,43H,40H,00H

;--  文字:  啟  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,00H,00H,0F8H,48H,48H,48H,49H,4EH,4AH,48H,48H,48H,78H,00H,00H
DB  40H,20H,18H,07H,00H,7EH,22H,22H,22H,22H,22H,22H,22H,7EH,00H,00H

;--  文字:  東  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,04H,04H,0C4H,0B4H,8CH,87H,84H,0F4H,84H,84H,84H,84H,04H,00H,00H
DB  00H,00H,20H,18H,0EH,04H,20H,40H,0FFH,00H,02H,04H,18H,30H,00H,00H

;--  文字:  計  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  20H,21H,2EH,0E4H,00H,00H,20H,20H,20H,20H,0FFH,20H,20H,20H,20H,00H
DB  00H,00H,00H,7FH,20H,10H,08H,00H,00H,00H,0FFH,00H,00H,00H,00H,00H

;--  文字:  算  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  08H,07H,0FAH,0AAH,0AEH,0AAH,0AAH,0A8H,0ACH,0ABH,0AAH,0FEH,0AH,02H,02H,00H
DB  08H,08H,8BH,6AH,1EH,0AH,0AH,0AH,0AH,0FEH,0AH,0BH,08H,08H,08H,00H

;--  文字:  產  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,04H,0E4H,44H,4CH,74H,54H,45H,46H,64H,54H,4CH,44H,64H,44H,00H
DB  40H,30H,0FH,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H

;--  文字:  的  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,0F8H,8CH,8BH,88H,0F8H,40H,30H,8FH,08H,08H,08H,08H,0F8H,00H,00H
DB  00H,7FH,10H,10H,10H,3FH,00H,00H,00H,03H,26H,40H,20H,1FH,00H,00H

;--  文字:  D  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  08H,0F8H,08H,08H,08H,10H,0E0H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB  20H,3FH,20H,20H,20H,10H,0FH,00H,00H,00H,00H,00H,00H,00H,00H,00H

;--  文字:  I  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,08H,08H,0F8H,08H,08H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB  00H,20H,20H,3FH,20H,20H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H

;--  文字:  實  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,10H,0CH,04H,4CH,0B4H,94H,05H,0F6H,04H,04H,04H,14H,0CH,04H,00H
DB  00H,82H,82H,42H,42H,23H,12H,0AH,07H,0AH,12H,0E2H,42H,02H,02H,00H

;--  文字:  驗  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  02H,0FAH,82H,82H,0FEH,80H,40H,60H,58H,46H,48H,50H,20H,20H,20H,00H
DB  08H,08H,04H,24H,40H,3FH,22H,2CH,21H,2EH,20H,30H,2CH,23H,20H,00H

;--  文字:  教  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  10H,14H,94H,0D4H,0BFH,94H,9CH,14H,50H,0F8H,0FH,08H,88H,78H,08H,00H
DB  09H,09H,48H,88H,7EH,05H,44H,44H,20H,20H,13H,0CH,33H,0C0H,40H,00H

;--  文字:  學  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  40H,30H,10H,12H,5CH,54H,50H,51H,5EH,0D4H,50H,18H,57H,32H,10H,00H
DB  00H,02H,02H,02H,02H,02H,42H,82H,7FH,02H,02H,02H,02H,02H,02H,00H

;--  文字:  使  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  40H,20H,0F0H,1CH,07H,0F2H,94H,94H,94H,0FFH,94H,94H,94H,0F4H,04H,00H
DB  00H,00H,7FH,00H,40H,41H,22H,14H,0CH,13H,10H,30H,20H,61H,20H,00H

;--  文字:  用  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,00H,00H,0FEH,22H,22H,22H,22H,0FEH,22H,22H,22H,22H,0FEH,00H,00H
DB  80H,40H,30H,0FH,02H,02H,02H,02H,0FFH,02H,02H,42H,82H,7FH,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
        DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
        DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
                  ;--  文字:  機  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  08H,08H,0C8H,0FFH,48H,88H,08H,00H,0FEH,02H,02H,02H,0FEH,00H,00H,00H
DB  04H,03H,00H,0FFH,00H,41H,30H,0CH,03H,00H,00H,00H,3FH,40H,78H,00H

;--  文字:  總  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,00H,00H,0F8H,89H,8EH,88H,88H,88H,8CH,8BH,0F8H,00H,00H,00H,00H
DB  00H,20H,38H,00H,3CH,40H,40H,42H,4CH,40H,40H,70H,04H,18H,30H,00H

;--  文字:  廠  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,00H,0FEH,02H,02H,02H,02H,02H,02H,02H,02H,02H,02H,02H,02H,00H
DB  40H,30H,0FH,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H

;--  文字:  生  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,80H,60H,1EH,10H,10H,10H,10H,0FFH,12H,10H,10H,98H,10H,00H,00H
DB  01H,40H,40H,41H,41H,41H,41H,41H,7FH,41H,41H,41H,41H,61H,40H,00H

;--  文字:  C  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  0C0H,30H,08H,08H,08H,08H,38H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB  07H,18H,20H,20H,20H,10H,08H,00H,00H,00H,00H,00H,00H,00H,00H,00H

;--  文字:  E  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  08H,0F8H,88H,88H,0E8H,08H,10H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB  20H,3FH,20H,20H,23H,20H,18H,00H,00H,00H,00H,00H,00H,00H,00H,00H

;--  文字:  系  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,00H,02H,22H,0B2H,0AAH,66H,62H,22H,11H,4DH,81H,01H,01H,00H,00H
DB  00H,40H,21H,13H,09H,05H,41H,81H,7FH,01H,05H,09H,13H,62H,00H,00H

;--  文字:  列  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  02H,82H,42H,0BAH,16H,12H,92H,7AH,12H,00H,0F8H,00H,00H,0FFH,00H,00H
DB  41H,40H,20H,10H,09H,06H,01H,00H,00H,00H,07H,20H,40H,3FH,00H,00H

;--  文字:  儀  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  40H,20H,0F0H,0CH,03H,00H,38H,0C0H,01H,0EH,04H,0E0H,1CH,00H,00H,00H
DB  00H,00H,0FFH,00H,40H,40H,20H,10H,0BH,04H,0BH,10H,20H,60H,20H,00H

;--  文字:  器  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  40H,40H,4FH,49H,49H,0C9H,0CFH,70H,0C0H,0CFH,49H,59H,69H,4FH,00H,00H
DB  02H,02H,7EH,45H,45H,44H,7CH,00H,7CH,44H,45H,45H,7EH,06H,02H,00H

;--  文字:  ！  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,00H,00H,0F0H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB  00H,00H,00H,5FH,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H

;--  文字:  ！  --
;--  宋體12;  此字體下對應的點陣為：寬x高=16x16   --
DB  00H,00H,00H,0F0H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB  00H,00H,00H,5FH,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H


END






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