單片機(jī)課程設(shè)計(jì)--電子密碼鎖(參考版)
2025-01-19 10:51本頁面
【正文】 =================T1中斷程序========================SUB3: DJNZ 66H,OVE1MOV 66H,20DJNZ 67H,OVE1MOV 67H,60OVE1: RETIEND。==================T0中斷程序=======================SUB1: DJNZ 64H,OVER1MOV 64H,20MOV A,65HCJNE A,0,LKJMP KLLK: DJNZ 65H,OVER1JMP OVER1 。判斷有沒有按鍵按下MOV A,P3CJNE A,0FH,MEN1 。=MOV R7,A 。=MOV A,R7 。==================移動(dòng)hello字樣===================HELLO: MOV 35H,0MOV R1,35HMOV R5,50MOV R4,14LB: MOV DPTR,TABLE4MOV R7,0FEHMOV R6,8MOV R1,35HLM: MOV P2,R7MOV A,R1MOVC A,A+DPTRMOV P0,ACALL YS_1S 。初始密碼MOV 5FH,1 。初始密碼MOV 5DH,1 。初始密碼MOV 5BH,1 。顯示一條“”MOV 48H,10 。顯示一條“”MOV 46H,10 。顯示一條“”MOV 44H,10 。=====================初始化======================CLRMEN:MOV TL0,0B0HMOV TH0,3CHMOV TL1,0B0HMOV TH1,3CHMOV TMOD,11HSETB ET0SETB ET1SETB EASETB TR1MOV A,0MOV 32H,0MOV 31H,6MOV 38H,0 。====================分離秒==========================FENLI: MOV DPTR,TABLEMOV A,65HMOV B,10DIV ABMOV 42H,AMOV 52H,AMOV A,BMOV 41H,AMOV 51H,ARET。判斷修改密碼是否已經(jīng)激活CJNE A,1,LA2MOV R1,51HJMP LALA2: MOV R1,41HLA: MOV P2,R7MOV A,R1MOVC A,A+DPTRMOV P0,ACALL YS_1S 。==================顯示程序=========================DISPLAY: CALL FENLIMOV DPTR,TABLEMOV R7,0BFH 。設(shè)置cpu工作寄存器為第一組MOV R0,50HRET。設(shè)置cpu工作寄存器為第三組MOV R0,57HMOV R1,58HQ1: MOV A,R0MOV R1,ADEC R0DEC R1CJNE R0,50H,Q1。===================移 位 程 序==================YIWEI: MOV 50H,R0。密碼正確JMP OVER4OVER5: MOV 4DH,0 。密碼錯(cuò)誤OVE4: RET。==================密碼比較程序1=================MI_BJ: MOV R0,53HMOV R1,3AHBJI: MOV A,R0CLR CSUBB A,R1MOV ,CJBC ,OVE2MOV A,R1CLR CSUBB A,R0MOV ,CJBC ,OVE2INC R0INC R1CJNE R0,59H,BJIMOV 4DH,1 。8,9,10,11的鍵碼DB 07EH,07DH,07BH,077H 。0,1,2,3的鍵碼DB 0DEH,0DDH,0DBH,0D7H 。================密碼修改程序2============CUN_535A: MOV R0,58HMOV R1,5FHCUN: MOV A,R0MOV R1,ADEC R0DEC R1CJNE R0,52H,CUNRET。==================清0===================CLRMM:MOV A,0MOV 53H,AMOV 54H,AMOV 55H,AMOV 56H,AMOV 57H,AMOV 58H,AMOV 4AH,ARET。CLR RS0 。判斷按鍵有沒有放開MOV A,P3 。密碼個(gè)數(shù)加1JMP KEYOFFKEYOFF: CALL DISPLAY 。數(shù)字0～9MOV 53H,R0INC 59H 。判斷修改密碼鍵是否激活J2: MOV A,4AHCJNE A,6,J1 。不輸入狀態(tài)MOV P0,86HMOV P2,7FH 。密碼比較的結(jié)果清0MOV 4EH,0 。數(shù)碼管全滅MOV 4BH,0 。顯示一個(gè)“H”JMP KEYOFFLAT: CALL CLRMMMOV P1,0FBH 。顯示變?yōu)槊艽a顯示的模式MOV
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