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基于51單片機(jī)數(shù)字鐘設(shè)計(jì)(專業(yè)版)

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【正文】 檢測修改位JB ,WSJSZ2//修改年十位MOV A,35HMOV B,0AH DIV ABMOV 1FH,BMOV A,R7MOV B,0AHMUL ABADD A,1FHMOV 35H,AMOV A,37HRR AMOV 37H,AAJMP WMWSJSZ2:JB ,WSJSZ3//修改年個位MOV A,35HMOV B,0AHDIV ABMOV B,0AHMUL ABADD A,R7MOV 35H,AMOV A,37HRR AMOV 37H,AAJMP WMWSJSZ3:JB ,WSJSZ4//修改月十位 只能為0,1 但月個位不為0,1,2是不能修改為1 月個位為0時不能修改為0CJNE R7,00H,WSJ1MOV A,34HMOV B,0AHDIV ABMOV A,BCJNE A,00H,WLED4AJMP WMMMWSJ1:CJNE R7,01H,WMMMMOV A,34HMOV B,0AHDIV ABMOV A,BCJNE A,00H,L1AJMP WLED4L1: CJNE A,01H,L2AJMP WLED4L2: CJNE A,02H,WMMMAJMP WLED4WMMM:LJMP WMWLED4:MOV A,34HMOV B,0AHDIV ABMOV 1FH,BMOV A,R7MOV B,0AHMUL ABADD A,1FHMOV 34H,AMOV A,37HRR AMOV 37H,AAJMP WMWSJSZ4:JB ,WSJSZ5//修改月個位 但月十位為1時只能修改為0,1,2 月十位為0時不能修改為0MOV A,34HMOV B,0AHDIV ABCJNE A,00H,WJ0CJNE R7,00H,WLED3AJMP WWMWJ0:CJNE R7,00H,WJ1AJMP WLED3WJ1: CJNE R7,01H,WJ2AJMP WLED3WJ2: CJNE R7,02H,WWMAJMP WLED3WLED3:MOV B,0AHMUL ABADD A,R7MOV 34H,AMOV A,37HRR AMOV 37H,AWWM: AJMP WMWSJSZ5: JB ,WSJSZ6//修改日十位 只能為0,1,2,3 日個位不為0,1時不能修改為3CJNE R7,00H,WSJ10AJMP WLED2WSJ10: CJNE R7,01H,WSJ20AJMP WLED2WSJ20:CJNE R7,02H,WSJ30AJMP WLED2WSJ30:CJNE R7,03H,WWMMOV A,33HMOV B,0AHDIV ABMOV A,BCJNE A,00H,L3AJMP WLED2L3: CJNE A,01H,WWMAJMP WLED2WLED2:MOV A,33HMOV B,0AHDIV ABMOV 1FH,BMOV A,R7MOV B,0AHMUL ABADD A,1FHMOV 33H,AMOV A,37HRR AMOV 37H,AAJMP WMWSJSZ6://修改日個位 日十位為3時 只能修改為0,1 MOV A,33HMOV B,0AHDIV ABCJNE A,00H,LL4CJNE R7,00H,WLED1AJMP WMLL4: CJNE A,03H,WLED1CJNE R7,00H,WJ4AJMP WLED1WJ4:CJNE R7,01H,WWMAJMP WLED1WLED1:MOV B,0AHMUL ABADD A,R7MOV 33H,AMOV 37H,11011111BAJMP WM/***************************************************************///矩陣按鍵檢測子程序JIANCEANJIAN: MOV DPTR,8000HMOV A,0F0HMOVX DPTR,AMOV DPTR,8000HMOVX A,DPTR CPL AJNZ XIAODOURETXIAODOU://ACALL DELAYMOV A,0F0HMOV DPTR,8000HMOVX A,DPTRCPL AJNZ PANRETPAN: MOV DPTR,8000HMOV A,11111110BMOVX DPTR,AMOV DPTR,8000HMOVX A,DPTRJNB ,KEY10 。日為31時 分辨大小月及2月MOV A,34HCJNE A,4,MONTH2MOV 33H,01HAJMP MONTH0MONTH2:CJNE A,2,MONTH6MOV 33H,01H AJMP MONTH0MONTH6:CJNE A,6,MONTH9MOV 33H,01HAJMP MONTH0MONTH9:CJNE A,9,MONTH11MOV 33H,01HAJMP MONTH0MONTH11:CJNE A,11,RETURN0MOV 33H,01HAJMP MONTH0MONTH1: CJNE A,30,MONTH29 。DA ADA AMOV 21H,00H選擇鍵功能標(biāo)志為1,調(diào)時,否則跳出調(diào)整選擇功能標(biāo)志加一MOV R7,150等待鍵釋放臨時將鍵值存入R5MOV A,P1CPL A RET顯示分十位LCALL DELAYMOV 2AH,A時 秒 ADD A,01H MOV A,22H 用于調(diào)時閃爍 無鍵按下則返回重新循環(huán)重設(shè)堆棧指針/*****主程序*****/MOV TH0,3CH MOV 24H,00HMOV 20H,00H秒MOV 33H,01H。按增加鍵ADD_KEY或減少鍵DEC_KEY設(shè)置所需要的時間。它的計(jì)時周期為24小時,顯滿刻度為“23時59分59秒”,另外具有校時功能,斷電后有記憶功能,恢復(fù)供電時可實(shí)現(xiàn)計(jì)時同步等特點(diǎn),除此外還實(shí)現(xiàn)了萬年歷和鬧鐘等的功能。他體積小,成本低,功能強(qiáng),廣泛應(yīng)用于智能產(chǎn)品和工業(yè)自動化上。4 軟件設(shè)計(jì) 主程序流程圖附錄一附錄二/*****************************************************************************///初始化MOV SP,60H。鬧鐘設(shè)置界面預(yù)留地址地址 MOV 41H,AMOV 42H,AMOV 43H,AMOV 44H,AMOV 45H,AMOV 46H,AMOV 47H,AMOV 50H,A 。MOV IP,02H調(diào)用減少鍵處理子程序,減一 保護(hù)現(xiàn)場MOV A,24H恢復(fù)現(xiàn)場MOV A,22H SWAP A JB 48H,HOURMOV 2BH,AJB 46H,DISPMOV 2AH,0AH/*****數(shù)碼管動態(tài)掃描顯示*****/DISP:顯示秒十位MOVC A,A+DPTRCLR MOV P0,AP1口低3位連接3個按鍵,只判斷該3位 CPL A 用于控制調(diào)時快進(jìn)速度如果調(diào)秒時長按,則不處理輸出鍵值RETDA ADB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H,0FFH 。界面顯示判斷//時間界面MOV A,21HMOV B,0AH DIV ABMOV 10H,BMOV 11H,A
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