基于單片機(jī)的簡(jiǎn)易時(shí)鐘設(shè)計(jì)_畢業(yè)設(shè)計(jì)-閱讀頁(yè)
2024-09-14 14:25本頁(yè)面
【正文】 S: ACALL CONV ACALL DISPLAY JNB K3,K3S SJMP TSS QUE: ACALL BZ 21 SETB TR0 : ACALL CONV ACALL DISPLAY JNB K5, LJMP LOOP 。設(shè)置秒 JNB K1,TM TMM: ACALL DISPLAYM JNB K1,TS JNB K2,JIAM JNB K3,JIANM JNB K5,QUE JMP TMM JIAM: INC MIAO 。減秒 MOV A,MIAO CJNE A,255,K3M MOV MIAO,59 K3M: ACALL CONV ACALL DISPLAY JNB K3,K3M JMP TMM 。設(shè)置分鐘 JNB K1,TF TFF: ACALL DISPLAYF JNB K1,TM JNB K2,JIAF JNB K3,JIANF JNB K5,QUE JMP TFF JIAF: INC FEN 。減分鐘 MOV A,FEN CJNE A,255,K3F MOV FEN,59 K3F: ACALL CONV ACALL DISPLAY JNB K3,K3F JMP TFF 。時(shí)閃子程序 MOV R3,20 DISS: MOV R1,BUF+2 MOV A,04H MOV R2,6 ACALL DP1 DJNZ R3,DISS MOV R3,20 DIS2: MOV R1,BUF MOV A,01H MOV R2,8 ACALL DP1 DJNZ R3,DIS2 RET DISPLAYF: 。秒閃子程序 MOV R3,20 DISM: MOV R1,BUF MOV A,01H MOV R2,6 ACALL DP1 DJNZ R3,DISM MOV R3,20 23 ACALL DIS2 RET 。設(shè)置鬧鐘時(shí)間 TTN: ACALL CONVNAO ACALL DISPLAY 。鬧加時(shí)子程序 MOV A,HH CJNE A,24,K2SN MOV HH,0 K2SN: ACALL CONVNAO ACALL DISPLAY JNB K2,K2SN SJMP TSSN JIANSN: DEC HH 。 TMN: ACALL CONVNAO ACALL DISPLAY 。鬧加秒 MOV A,MM 24 CJNE A,60,K2MN MOV MM,0 K2MN: ACALL CONVNAO ACALL DISPLAY JNB K2,K2MN JMP TMMN JIANMN: DEC MM 。 TFN: ACALL CONVNAO ACALL DISPLAY 。鬧加分鐘 MOV A,FF CJNE A,60,K2FN MOV FF,0 K2FN: ACALL CONVNAO ACALL DISPLAY JNB K2,K2FN JMP TFFN JIANFN: DEC FF 。 RST: 。 NAOPRO: 。 CONVNAO: 。轉(zhuǎn)換小時(shí) 存到 34 35H MOV B,10 DIV AB MOV DPTR,TAB MOVC A,A+DPTR MOV BUF,A MOV A,B MOVC A,A+DPTR MOV BUF+1,A MOV A,FF 。轉(zhuǎn)換秒 存到 40 41H MOV B,10 DIV AB MOV DPTR,TAB MOVC A,A+DPTR MOV BUF+6,A 26 MOV A,B MOVC A,A+DPTR MOV BUF+7,A MOV BUF+2,10111111B 。第五個(gè)位置顯示一杠 RET 。鬧鐘 指示燈亮 MOV R0,30 X4: MOV R3,2 X3: MOV R4,10 X1: CPL DENG ACALL CONV JB K5,X9 SJMP X6 X9: ACALL DISPLAY DJNZ R4,X1 JB K5,X8 SJMP X6 X8: ACALL BZ DJNZ R3,X3 JB K5,X7 SJMP X6 X7: MOV R4,95 X2: CPL DENG ACALL CONV JB K5,X10 SJMP X6 X10: ACALL DISPLAY DJNZ R4,X2 DJNZ R0,X5 SETB DENG LJMP LOOP X5: JB K5,X4 X6: SETB DENG RET 。蜂鳴器 MOV R5,100 BZ2: CPL SPK ACALL DELAYB DJNZ R5,BZ2 RET DELAYB: 。 DELAY: 。 CHUSHI: 。鬧鐘初始值 MOV FF,0 MOV MM,0 RET 。定時(shí)器 T0 初始化 MOV TMOD,01H MOV TL0,0B0H MOV TH0,3CH MOV IE,82H SETB TR0 RET 。中斷服務(wù) PUSH ACC MOV TL0,(6553649980)MOD 2
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