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單片機(jī)課程設(shè)計(jì)設(shè)計(jì)lcd顯示屏-在線瀏覽

2024-08-06 12:48本頁(yè)面
  

【正文】 3軟件設(shè)計(jì) 顯示主程序 顯示子程序 初始化程序 清屏幕子程序?qū)崿F(xiàn)翻屏功能 PD1 EQU 60 。;頁(yè)地址寄存器 CODE1 EQU 32H 。;計(jì)數(shù)器 COM EQU 20H 。;數(shù)據(jù)寄存器 CWADD1 EQU 0fa00H 。;讀狀態(tài)字地址(E1) DWADD1 EQU 0fa40H 。;讀顯示數(shù)據(jù)地址(E1) CWADD2 EQU 0f800H 。;讀狀態(tài)字地址(E2) DWADD2 EQU 0f840H 。;讀顯示數(shù)據(jù)地址(E2) ORG 0000HAG1: MOV SP,60H LCALL INT 。;調(diào)用清屏子程序 MOV PD1,3DH 。;頁(yè)地址寄存器置初值 MOV COLUMN,0H 。;字符代碼寄存器置初值 LCALL CCW_PR 。;顯示“中” MOV PAGE1,02H MOV COLUMN,1eH MOV CODE1,02H LCALL CCW_PR 。;顯示“技” MOV PAGE1,2H MOV COLUMN,61 MOV CODE1,04H LCALL CCW_PR 。;顯示“學(xué)” MOV PAGE1,2H MOV COLUMN,91 MOV CODE1,06H LCALL CCW_PR 。;顯示“昌 MOV PD1,3DH 。;頁(yè)地址寄存器置初值 MOV COLUMN,0H 。;字符代碼寄存器置初值 LCALL CCW_PR 。;顯示“?!? MOV PAGE1,0H MOV COLUMN,1eH MOV CODE1,0aH LCALL CCW_PR 。;顯示“包” MOV PAGE1,0H MOV COLUMN,61 MOV CODE1,0cH LCALL CCW_PR 。;顯示“峰” LCALL AG2 。;清屏 LCALL AG2 LCALL AG2 LCALL AG2 。;調(diào)用顯示程序 SJMP $CCW_PR: MOV DPTR,CCATB 。;取代碼 MOV B,20H 。;代碼X32 ADD A,DPL 。;列地址入棧 PUSH COLUMN 。;代碼寄存器借用為間址寄存器CCW_1: MOV COUNT,10H 。;讀頁(yè)地址寄存器 ANL A,03H ORL A,0B8H 。;寫頁(yè)地址設(shè)置指令 LCALL PR0 LCALL PR3 POP COLUMN 。;讀列地址寄存器 CLR C SUBB A,PD1 。;<0為左半屏顯示區(qū)域(E1) MOV COLUMN,A 。;設(shè)置區(qū)域標(biāo)志位 MOV PAGE1,A 。;設(shè)置列地址值 MOV A,PAGE1 。;區(qū)域E2 LJMP CCW_4CCW_3: LCALL PR0 。;取間址寄存器值 MOVC A,A+DPTR 。;寫數(shù)據(jù) MOV A,PAGE1 JNB ,CCW_5 LCALL PR4 。;區(qū)域E1CCW_6: INC CODE1 。;列地址寄存器加1 MOV A,COLUMN 。;未超出則繼續(xù) MOV A,PAGE1 。;在區(qū)域E2則退出 SETB 。;設(shè)置區(qū)域E2列地址為“0” LCALL PR3CCW_8: DJNZ COUNT,CCW_4 。;讀頁(yè)地址寄存器 JB ,CCW_9 。;否則頁(yè)地址加“1” SETB CLR MOV PAGE1,A MOV CODE1,10H 。;大循環(huán)CCW_9: RETccAtB: db 00h, 40h, 20h, 10h,0FCh, 03h, 40h, 20h db 10h,0FFh, 08h, 04h, 06h,0C0h, 00h, 00h 。;顯示“中” db 00h, 03h, 01h, 01h, 01h, 01h, 01h,0FFh db 01h, 01h, 01h, 01h, 01h, 03h, 00h, 00h db 24h, 24h, 24h,0A4h,0FEh,0A3h, 22h, 00h db 24h, 48h, 00h,0FFh, 00h, 80h, 00h, 00h 。;顯示“技” db 04h, 44h, 82h, 7Fh, 01h, 80h, 81h, 46h db 28h, 10h, 28h, 26h, 41h,0C0h, 40h, 00h db 20h, 20h, 20h, 20h, 20h, 20h,0A0h, 7Fh db 0A0h, 20h, 20h, 20h, 20h, 30h, 20h, 00h 。;顯示“學(xué)” db 04h, 04h, 04h, 04h, 04h, 44h, 84h, 7Eh db 06h, 05h, 04h, 04h, 04h, 06h, 04h, 00h db 20h, 20h, 24h, 24h, 24h,0E4h, 26h, 24h db 20h,0FFh, 20h, 22h, 2Ch, 20h, 20h, 00h 。;顯示“昌” db 00h, 00h,0FFh, 49h, 49h, 49h, 49h, 49h db 49h, 49h, 49h, 49h,0FFh, 01h, 00h, 00h db 00h, 80h, 40h, 20h, 98h, 86h, 80h, 80h db 83h, 8Ch, 90h, 20h,0C0h, 80h, 80h, 00h 。;顯示“?!?db 04h, 03h, 00h,0FFh, 80h, 81h, 40h, 40h db 21h, 16h, 08h, 16h, 61h,0C0h, 40h, 00h db 80h, 80h, 80h, 80h, 80h db 80h, 80h, 80h, 80h, 80h 。;顯示“包” db 00h, 00h, 00h, 3Fh, 42h, 42h, 42h, 42h db 47h, 40h, 48h, 4Fh, 40h, 70h, 00h, 00h db 08h, 08h, 08h, 18h, 68h, 88h, 09h, 0Eh db 08h, 08h,0C8h, 38h, 08h, 0Ch, 08h, 00h 。;顯示“峰” db 00h, 1Fh, 10h, 0Fh, 08h, 1Fh, 00h, 14h db 15h, 15h,0FFh, 15h, 15h, 14h, 00h, 00hAG2: MOV R0,0 。;初始化子程序,復(fù)位 LCALL PR0 LCALL PR3 MOV COM,0A4H 。;設(shè)置1/32占空比 LCALL PR0 LCALL PR3 MOV COM,0A0H 。;設(shè)置顯示起始行為第一行 LCALL PR0 LCALL PR3 MOV COM,0AFH 。;清屏子程序,頁(yè)面地址暫存器設(shè)置CLEAR1: MOV A,R4 。;“或” 頁(yè)面地址設(shè)置代碼 MOV COM,A 。;列地址設(shè)置為“0” LCALL PR0 LCALL PR3 MOV R3,50H 。;顯示數(shù)據(jù)為“0” LCALL PR1 LCALL PR4 DJNZ R3,CLEAD2 。;頁(yè)地址暫存器加1 CJNE R4,04H,CLEAR1 。;寫指令代碼子程序(E1) PUSH DPH MOV DPTR,CRADD1PR01: MOVX A,DPTR JB ,PR01 MOV DPTR,CWADD1 MOV A,COM MOVX DPTR,A POP DPH POP DPL RETPR1: PUSH DPL 。;讀顯示數(shù)據(jù)子程序(E1) PUSH DPH MOV DPTR,CRADD1PR21: MOVX A,DPTR JB ,PR21 MOV DPTR,DRADD1 MOVX A,DPTR MOV DAT,A POP DPH POP DPL RETPR3: PUSH DPL 。;寫顯示數(shù)據(jù)子程序(E2) PUSH DPH MOV DPTR,CRADD2PR41: MOVX A,DPTR JB ,PR41 MOV DPTR,DWADD2 MOV A,DAT MOVX DPTR,A POP DPH POP DPL RETPR5: PUSH DPL 。;模塊參數(shù) COLUMN EQU 30H PAGE1 EQU 31H 。;字符代碼寄存器 COUNT EQU 33H 。;指令寄存器 DAT EQU 21H 。;寫指令代碼地址(E1) CRADD1 EQU 0fa80H 。;寫顯示數(shù)據(jù)地址(E1) DRADD1 EQU 0fac0H 。;寫指令代碼地址(E2) CRADD2 EQU 0f880H 。;寫顯示數(shù)據(jù)地址(E2) DRADD2 EQU 0f8c0H 。;調(diào)用初始化子程序 LCALL CLEAR 。;頁(yè)地址寄存器置初值
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