【正文】 二進制碼后兩位為00表示為閏年JB ,TEN5AMOV 24H,01MOV A,DAYCJNE A,30H,NINE1MOV DAY,1SJMP NINE0TEN5A:MOV A,DAYCJNE A,29H,NINE1MOV DAY,1SJMP NINE0。**************判斷大小月；大于等于8月時雙月為大月，小于8月時單月為大月TEN6A:MOV A,MONTHCJNE A,08H,TEN7ATEN7A:JC TEN9AJB 18H,TEN8AMOV A,DAYCJNE A,32H,NINE1MOV DAY,1SJMP NINE0TEN8A:MOV A,DAYCJNE A,31H,NINE1MOV DAY,1SJMP NINE0TEN9A:JNB 18H,TEN10AMOV A,DAYCJNE A,32H,NINE1MOV DAY,1SJMP NINE0TEN10A:MOV A,DAYCJNE A,31H,NINE1MOV DAY,1。*******************NINE0:MOV A,MONTHADD A,01DA AMOV MONTH,ASETB 05HCJNE A,13H,NINE1MOV MONTH,1MOV A,YEARADD A,01DA AMOV YEAR,ANINE1:MOV A,MONTHCJNE A,BM,NINE2MOV A,DAYCJNE A,BD,NINE2JNB 05H,NINE2SETB BSNINE2:RETI。*****************************************TEN中斷（T1）預置加一程序由INT0控制其的開啟與關閉。*******************判斷預置項目TEN:MOV TH1,3CHMOV TL1,0B0HSETB TR1INC COUNTSMOV A,COUNTSCJNE A,15,TENEMOV COUNTS,0JB ,RBRBJB ,DATSJMP TIMEDAT: LJMP DATERBRB:JB ,BDATLJMP RTIMEBDAT:LJMP BDATETENE:RETI。**********************預置時間TIME: JNB ,TEN1MOV A,MINADD A,01DA AMOV MIN,ACJNE A,60H,TENAMOV MIN,0SJMP TENATEN1:JNB ,TENAMOV A,HOURADD A,01DA AMOV HOUR,ACJNE A,24H,TENAMOV HOUR,0TENA:RETI。******************預置日期DATE:JNB ,TEN3MOV A,MONTHADD A,01DA AMOV MONTH,ACJNE A,13H,TENBMOV MONTH,1SJMP TENBTEN3:JNB ,TEN4MOV A,YEARADD A,01DA AMOV YEAR,ASJMP TENBTEN4:JNB ,TENBMOV A,DAYADD A,01DA AMOV DAY,A。***************判斷平閏年MOV A,MONTHCJNE A,02H,TEN6MOV A,YEARANL A,0F0HSWAP AMOV B,10MUL ABMOV 24H,AMOV A,YEARANL A,0FHADD A,24HJB ,TEN5JB ,TEN5MOV A,DAYCJNE A,30H,TENBMOV DAY,1SJMP TENBTEN5:MOV A,DAYCJNE A,29H,TENBMOV DAY,1SJMP TENB。**************判斷大小月TEN6:CJNE A,08H,TEN7TEN7:JC TEN9JB 18H,TEN8MOV A,DAYCJNE A,32H,TENBMOV DAY,1SJMP TENBTEN8:MOV A,DAYCJNE A,31H,TENBMOV DAY,1SJMP TENBTEN9:JNB 18H,TEN10MOV A,DAYCJNE A,32H,TENBMOV DAY,1SJMP TENBTEN10:MOV A,DAYCJNE A,31H,TENBMOV DAY,1TENB: RETI。**************************預置鬧鈴時間RTIME:JNB ,TEN12MOV A,RMADD A,01DA AMOV RM,ACJNE A,60H,TENCMOV RM,0SJMP TENCTEN12:JNB ,TENCMOV A,RHADD A,01DA AMOV RH,ACJNE A,24H,TENCMOV RH,0TENC:RETI。************************預置生日日期BDATE:JNB ,TEN14MOV A,BDADD A,01DA AMOV BD,AMOV A,BMCJNE A,02H,TEN15MOV A,BDCJNE A,30H,TENDMOV BD,1SJMP TENDTEN15:CJNE A,08H,TEN16TEN16:JC TEN18JB 18H,TEN17MOV A,BDCJNE A,32H,TENDMOV BD,1SJMP TENDTEN17:MOV A,BDCJNE A,31H,TENDMOV BD,1SJMP TENDTEN18:JNB 18H,TEN19MOV A,BDCJNE A,32H,TENDMOV BD,1SJMP TENDTEN19:MOV A,BDCJNE A,31H,TENDMOV BD,1SJMP TENDTEN14:JNB ,TENDMOV A,BMADD A,01DA AMOV BM,ACJNE A,13H,TENDMOV BM,1TEND:SETB 05HRETI。*******************************ELEVEN中斷（INT0）控制了預置的開\關以及生日信號的清除ELEVEN:JNB SS,ELEVEN1 。預置有效時按一次INT0關預置CLR SSCLR TR1SJMP ELEVEN3ELEVEN1:JNB BS,ELEVEN2 。預置無效判斷生日信號有效則清除生日信號CLR 05HCLR BSSJMP ELEVEN3ELEVEN2:SETB SS 。都無效則令預置有效MOV TH1,3CHMOV TL1,0B0HSETB TR1ELEVEN3:RETI。***************************************************************TWELVETWELVE:MOV P1,0MOV P2,0DJNZ R0,TWELVETWELVE1:MOV P1,0MOV P2,0DJNZ R0,TWELVE1RET