学习专用的，电子技术设计电子钟表范文模板 -

AJMP TIME1_3
TIME1_2:MOV STOREKEYNUMT1 , KEYNUMT1 ;加1后存储当前的KEYNUMT1的值
ACALL ADDBUFF0 ;分加1
TIME1_3:JNB P3.2,TIME1_1 ;若p3.2已关，则退出增时，否则继续循环
CLR ET1
CLR PT1
CLR TR1
AJMP START1
;********************
;*****时间增1分******
;********************
ADDBUFF0:MOV A , MBUFF ; 若按键小于1s，则分增1
ADD A , #1
DA A
MOV MBUFF , A
ANL A , #0FH
MOV MBUFF1 , A
MOV A , MBUFF
SWAP A
ANL A , #0FH
MOV MBUFF2 , A
MOV A , MBUFF
CJNE A , #60H , ADDBUFF1
MOV MBUFF , #00H
MOV MBUFF2 , #00H
MOV MBUFF1 , #00H
MOV A , HBUFF ;时增1
ADD A , #1
DA A
MOV HBUFF , A
ANL A , #0FH
MOV HBUFF1 , A
MOV A , HBUFF
SWAP A
ANL A , #0FH
MOV HBUFF2 , A
MOV A , HBUFF
CJNE A , #24H , ADDBUFF1 ;若没到24小时,则不必初值置0
MOV HBUFF , #00H
MOV HBUFF2 , #00H
MOV HBUFF1 , #00H
ADDBUFF1:RET
;*********************************
;*int1中断子程序******************
;*********************************
ADJUSTTIME2: NOP
ACALL DL100MS
MOV C , P3.3
JC TIME2_6 ;如果(P3.3按键<100ms以上) 则不做处理
MOV KEYNUMT2 , #00H ;否则进入定闹设置
MOV STOREKEYNUMT2 , KEYNUMT2 ;记录当前NUMT2的数据，以看下次有没改变
TIME2_1:NOP
MOV TH1 , #3CH ;T1置初值，进行100ms计时，用于调整时间
MOV TL1 , #0B0H
SETB ET1 ;开T1中断
SETB PT1 ;设T1中断优先级最高
SETB TR1 ;允许T1计时
TIME2_2:ACALL ALARMDISPLAY
MOV A , KEYNUMT2
CJNE A , STOREKEYNUMT2 ,TIME2_3
AJMP TIME2_4
TIME2_3: MOV STOREKEYNUMT2 , KEYNUMT2
MOV A , ALARMMBUFF ; 若按键小于1s，则分增1
ADD A , #1
DA A
MOV ALARMMBUFF , A
ANL A , #0FH
MOV ALARMMBUFF1 , A
MOV A , ALARMMBUFF
SWAP A
ANL A , #0FH
MOV ALARMMBUFF2 , A
MOV A , ALARMMBUFF
CJNE A , #60H , TIME2_4
MOV ALARMMBUFF , #00H
MOV ALARMMBUFF2 , #00H
MOV ALARMMBUFF1 , #00H
MOV A , ALARMHBUFF ;时增1
ADD A , #1
DA A
MOV ALARMHBUFF , A
ANL A , #0FH
MOV ALARMHBUFF1 , A
MOV A , ALARMHBUFF
SWAP A
ANL A , #0FH
MOV ALARMHBUFF2 , A
MOV A , ALARMHBUFF
CJNE A , #24H , TIME2_4 ;若没到24小时,则初值不必置0
MOV ALARMHBUFF , #00H
MOV ALARMHBUFF2 , #00H
MOV ALARMHBUFF1 , #00H
TIME2_4:NOP
JNB P3.3,TIME2_2 ;若按键已经未按，则退出循环
CLR ET1
CLR TR1
MOV KEYNUMT2 , #00H
MOV NUMT2 , #00H
MOV R2 , #10 ; 直到p3.3 20s钟内都是未按，此时复原数据，即退出设置
TIME2_7:MOV R1 , #200
TIME2_5:ACALL ALARMDISPLAY
ACALL DL1MS
JNB P3.3 , TIME2_1
DJNZ R1 , TIME2_5
DJNZ R2 , TIME2_7
TIME2_6:CLR ET1
CLR PT1
CLR TR1
LJMP START1
;***********************************
;**T1中断子程序*********************
;***********************************
INTERT1:NOP
MOV TH1 , #3CH ;T1置初值，进行100ms计时，用于调整时间
MOV TL1 , #0B0H
PUSH ACC
PUSH PSW
CLR ET0
CLR ET1 ;关T1中断
MOV A , NUMT1
INC A
MOV NUMT1 , A ;中断一次则相应的增加NUMT1
CJNE A , #5 , INTERT1NEXT ;每中断五次，即半秒，都增加KEYNUMT1
MOV A ,KEYNUMT1
INC A
MOV KEYNUMT1 , A
MOV NUMT1 , #00H ;NUMT1已经是5了，则处理过KEYNUMT1后，重置NUMT1
INTERT1NEXT:NOP
MOV A , NUMT2 ;中断一次则相应的增加NUMT1
INC A
MOV NUMT2 , A
CJNE A, #5,ENDINTERT1 ;每中断五次，即半秒，都增加KEYNUMT1
MOV A , KEYNUMT2
INC A
MOV KEYNUMT2 , A
MOV NUMT2 , #00H ;NUMT1已经是5了，则处理过KEYNUMT1后，重置NUMT1
ENDINTERT1: SETB ET1
SETB ET0
POP ACC
POP PSW
RETI
;**************
;** 整点报时 **
;**************
ZDBS: MOV A , MBUFF ;在整点时，响半秒
JNZ ZDBSEND
MOV A , SBUFF
CJNE A , #3CH , ZDBSEND
CLR P3.2
ACALL DL0FIVE
SETB P3.2
ZDBSEND:RET
;**************
;**定闹显示子程序**
;**************
ALARMDISPLAY: MOV P1 ,#0FFH ;使时的十位亮
MOV A , ALARMHBUFF2
MOVC A , @A+DPTR
SETB ACC.7
MOV P1 , A
CLR P3.0
ACALL DL1MS
SETB P3.0
MOV A , ALARMHBUFF1 ;使时的个位亮
MOVC A , @A+DPTR
MOV C , DP
MOV ACC.7 , C
MOV P1 , A
CLR P3.1
ACALL DL1MS
SETB P3.1
MOV A ,ALARMMBUFF2 ;使分的十位亮
MOVC A , @A+DPTR
MOV C , DP
MOV ACC.7 , C
MOV P1 , A
CLR P3.4
ACALL DL1MS
SETB P3.4
MOV A , ALARMMBUFF1 ;使时的个位亮
MOVC A , @A+DPTR
SETB ACC.7
MOV P1,A
CLR P3.5
ACALL DL1MS
SETB P3.5
RET
;********************************
;**晚上显示子程序****************
;******************************** ;降低显示的占空比，数码管进入节能
NIGHTDISPLAY: NOP
MOV P1 ,#0FFH
MOV A , HBUFF2
MOVC A , @A+DPTR
SETB ACC.7
MOV P1 , A
CLR P3.0
ACALL DL1MS ;亮1ms
SETB P3.0
ACALL DL1MS
ACALL DL1MS ;暗2ms
MOV A , HBUFF1
MOVC A , @A+DPTR
MOV C , DP
MOV ACC.7 , C
MOV P1 , A
CLR P3.1
ACALL DL1MS
SETB P3.1

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