基于89c51單片機(jī)的多功能時(shí)鐘設(shè)計(jì)-文庫(kù)吧資料
2025-01-22 10:18本頁(yè)面
【正文】 SPFIRST CJNE A,5AH,SSLOOP MOV P3,0FFH RET。ST，上電顯示年月班級(jí)用，采用移動(dòng)顯示，先右移，后左移。***********************************。注：0A不亮，0B顯示A,0C顯示。內(nèi)存數(shù)0 1 2 3 4 5 6 7 8 9 0AH 0BH 0CH 0DH。不帶小數(shù)點(diǎn)顯示，有A,顯示功能SDISPLAY:MOV R1,DISPFIRST MOV R5,80HSPLAY:MOV A,R5 MOV P2,A MOV A,R1 MOV DPTR,TABS MOVC A,A+DPTR MOV P0,A MOV A,R5 LCALL DL1ms INC R1 MOV A,R5 JB ,ENDOUTS RR A MOV R5,A AJMP SPLAYENDOUTS:MOV P2,00H MOV P0,0FFH RETTABS:DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H,0FFH,0C6H,0BFH,88H。***********************************************。SDISPLAY,上電滾動(dòng)屏顯示程序。***********************************************。共陽(yáng)段碼表 0，1,2,3,4,5,6,7,8,9，不亮，啊。顯示數(shù)據(jù)在70H75H單元內(nèi)，用六位LED數(shù)碼管顯示，p0口輸出斷碼數(shù)據(jù)。***********************************。顯示程序。***********************************。SET61:LJMP SET6。SET41:LJMP SET4。當(dāng)調(diào)試按鍵按下進(jìn)入此程序SETMM:CLR ET0 CLR TR0 LCALL DL1S LCALL DS20ms JB ,CLOSEDIS MOV R2,06H MOV 70H,00H MOV 71H,00H SETB ET1 SETB TR1SET2:JNB ,SET1 SETB 00HSET4:JB ,SET3 LCALL DL05S LCALL DS20ms JNB ,SETHH MOV R0,77H LCALL ADD1 MOV A,R3 CLR C CJNE A,60H,HHHHHH:JC SET4 LCALL CLR0 CLR C AJMP SET4CLOSEDIS:SETB ET0 SETB TR0CLOSE:JB ,CLOSE LCALL DS20ms JB ,CLOSEWAITH:JNB ,WAITH LJMP START1SETHH:CLR 00H SETB 01HSETHH1:JNB ,SET5SET6:JB ,SET7 LCALL DL05S LCALL DS20ms JNB ,SETOUT MOV R0,79H LCALL ADD1 MOV A,R3 CLR C CJNE A,24H,HOUUHOUU:JC SET6 LCALL CLR0 AJMP SET6SETOUT:JNB ,SETOUT1 LCALL DS20ms JNB ,SETOUT CLR 01H CLR 00H CLR 02H CLR TR1 CLR ET1 SETB TR0 SETB ET0 LJMP START1SET1:LCALL DISPLAY AJMP SET2SET3:LCALL DISPLAY JNB ,FUNSUBB SJMP SET4SET5:LCALL DISPLAY AJMP SETHH1SET7:LCALL DISPLAY JNB ,FUNSUBB AJMP SET6SETOUT1:LCALL DISPLAY AJMP SETOUT。***********************************。時(shí)鐘時(shí)間調(diào)整程序。***********************************。對(duì)計(jì)時(shí)單元復(fù)用零用CLR0:CLR A MOV R0,A DEC R0 MOV R0,A RET。***********************************。清零程序。***********************************。SUBB11:MOV A,23H AJMP SUB111SUBB1110:MOV A,R3 ANL A,0FH MOV R0,A AJMP SUB110。SUB1:MOV A,R0 DEC R0 SWAP A ORL A,R0 JZ SUB11 DEC ASUB111:MOV R3,A ANL A,0FH CLR C SUBB A,0AHSUB1111:JC SUB1110 MOV R0,09HSUB110:MOV A,R3 INC R0 SWAP A ANL A,0FH MOV R0,A RET。***********************************。分減1子程序。***********************************。ADD1:MOV A,R0 DEC R0 SWAP A ORL A,R0 ADD A,01H DA A MOV R3,A ANL A,0FH MOV R0,A MOV A,R3 INC R0 SWAP A ANL A,0FH MOV R0,A RET。***********************************。加1子程序。***********************************。SPCC:INC SONGCON MOV TH1,0D8H MOV TL1,0EFH AJMP INTT1OUTDJSFUN:LJMP DJSSMMFUN:CLR TR1 MOV A,0F7H ADD A,TL1 MOV TL1,A MOV A,0D8H ADDC A,TL1 MOV TL1,A SETB TR1 MOV R0,61H ACALL ADD1 CLR C JZ FSS1 AJMP OUTT01FSS1:ACALL CLR0 MOV R0,63H ACALL ADD1 MOV A,R3 CLR C CJNE A,60H,ADDHH1ADDHH1:JC OUTT01 LCALL CLR0 MOV R0,65H ACALL ADD1OUTT01:POP PSW POP ACC RETI。一秒計(jì)時(shí)程序。***********************************。FUNPTT:LCALL DS20ms JB ,START12WAIT22:JNB ,WAIT21 CLR ET1 CLR TR1WAIT33:JNB ,FUNSS JB ,WAIT31 LCALL DS20ms JB ,WAIT33WAIT66:JNB ,WAIT61 MOV 60H,00H MOV 61H,00H MOV 62H,00H MOV 63H,00H MOV 64H,00H MOV 65H,00HWAIT44:JNB ,FUNSS JB ,WAIT41 LCALL DS20ms JB ,WAIT44WAIT55:JNB ,WAIT51 SETB ET1 SETB TR1 AJMP START1。FUNSS:LCALL DS20ms JB ,START11WAIT11:JNB ,WAIT11 CPL 03H JNB 03H,TIMFUN MOV DISPFIRST,60H MOV 60H,00H MOV 61H,00H MOV 62H,00H MOV 63H,00H MOV 64H,00H MOV 65H,00H MOV TL1,0F0H MOV TL1,0D8H SETB TR1 SETB ET1START11:LJMP START1TIMFUN:MOV DISPFIRST,70H CLR ET1 CLR TR1STA
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