單片機小系統(tǒng)電子鐘的設計(編輯修改稿)
2025-02-14 14:27 本頁面
【文章內(nèi)容簡介】 T1 MOV 36H,01H MOV A,1 。到一年 ADD A,37H DA A MOV 37H,A CJNE A,100H,NEXT1 MOV 37H,00H MOV A,1 ADD A,38H DA A MOV 38H,A CJNE A,100H,NEXT1 MOV 38H,00H RET。切換時間和年NEXT1: JB ,LOPB 。判斷是否切換 JNB , $ MOV A,R0 CJNE A,35H,LOPC MOV R0,31H MOV R1,32H LJMP LOPB LOPC: MOV R0,35H MOV R1,36H LOPB: LCALL DISP JB ,LOP0。判斷按鍵進入調(diào)整 JNB ,$ LCALL LOP1 。設置時間和日期LOP0: LJMP LOPA。調(diào)時間和日期LOP1: JB ,LOP2 。判斷是否退出調(diào)整 JNB ,$ RETLOP2: JB ,LOP3 。判斷是否移位 JNB ,$ INC 40H 。指針加一 MOV A,40H CJNE A,04H,LOP3 。沒有到最前兩位 MOV 40H,0LOP3: MOV A,40H 。判斷是哪一位調(diào)整 CJNE A,0,N_HAO_HUO_RI JB ,LUOA 。進入加調(diào)整 JNB ,$ MOV A,R0 。調(diào)毫秒或者天數(shù) CJNE A,31H,AOP1 。加毫秒 MOV A,1 ADD A,31H DA A MOV 31H,A CJNE A,100H,LUOA MOV 31H,0 LJMP LUOAAOP1: MOV A,1 。加天數(shù) ADD A,35H DA A MOV 35H,A LCALL TIAO_TIAN LJMP LUOALUOA: MOV R4,30HLUO1: LCALL DISP DJNZ R4,LUO1 MOV R4,30HLUO2: LCALL DISP1 DJNZ R4,LUO2 LJMP LOP1N_HAO_HUO_RI:CJNE A,1,N_MIAO_HUO_YUE JB ,LUOB JNB ,$ MOV A,R1 。調(diào)秒或者月 CJNE A,32H,AOP2 MOV A,1 。加秒 ADD A,32H DA A MOV 32H,A CJNE A,60H,LUOB MOV 32H,0 LJMP LUOBAOP2: MOV A,1 。加月 ADD A,36H DA A MOV 36H,A CJNE A,13H,LUOB MOV 36H,01H LUOB: MOV R4,30HLUO3: LCALL DISP DJNZ R4,LUO3 MOV R4,30HLUO4: LCALL DISP2 DJNZ R4,LUO4 LJMP LOP1N_MIAO_HUO_YUE:CJNE A,2,SHI_HUO_NIANGAO JB ,LUOC JNB ,$ INC R0 。R0加2 INC R0 MOV A,R0 。調(diào)分或者年低兩位 CJNE A,33H,AOP3 MOV A,1 。加分 ADD A,33H DA A MOV 33H,A CJNE A,60H,LOPP1 MOV 33H,0LOPP1:DEC R0 DEC R0 LJMP LUOCAOP3: DEC R0 DEC R0 MOV A,1 。加年低兩位 ADD A,37H DA A MOV 37H,A CJNE A,100H,LUOD MOV 37H,0 LJMP LUOCLUOC: MOV R4,30HLUO5: LCALL DISP DJNZ R4,LUO5 MOV R4,30HLUO6: LCALL DISP3 DJNZ R4,LUO6 LJMP LOP1SHI_HUO_NIANGAO: JB ,LUOD JNB ,$ INC R1 INC R1 MOV A,R1 CJNE A,34H,AOP4 MOV A,1 。加時 ADD A,34H DA A MOV 34H,A CJNE A,24H,LOPP2 MOV 34H,0 LJMP LOPP2 AOP4: DEC R1
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鄂ICP備17016276號-1