【文章內(nèi)容簡介】 JB , GUAN JB , RIQI LCALL DISPLAY2 ；顯示時分秒 AJMP MAIN *********************；顯示日期；************************************************RIQI: LCALL DISPLAY1 LCALL KEY JB , MAIN JMP RIQIGUAN: MOV P2, 0FFH ；關(guān)顯示 LCALL KEY JB , MAIN JMP GUAN ***************；進入時分秒的調(diào)整界面；****************************************** SET1: CLR TR0 ；時分秒的調(diào)整 LCALL DISPLAY2 LCALL KEY JB , SET2 JB , TS JB , TF JB , TM JMP SET1TS: INC HOUR ；時的調(diào)整 MOV A, HOUR ；是否達到了24小時到了就清零 CJNE A,24, SET1 AJMP LL1LL1: MOV HOUR, 0 JMP SET1TF: INC MINUTE ；分的調(diào)整 MOV A, MINUTE ；是否達到了60分到了就清零 CJNE A, 60, SET1 AJMP LL2LL2: MOV MINUTE, 0 JMP SET1TM: INC SECOND ；秒的調(diào)整 MOV A, SECOND ；是否達到了60秒到了就清零 CJNE A,60, SET1 AJMP LL3LL3: MOV SECOND, 0 JMP SET1 SET2: LCALL KEY ；進入年月日的調(diào)整界面 LCALL DISPLAY1 ；顯示年月日 JB , EXIT JB , TN JB , TY JB , TR JMP SET2EXIT: SETB TR0 ；關(guān)定時器 JMP MAIN TN: INC YEAR ；年的調(diào)整 MOV A, YEAR ；是否達到了99年到了就清零 CJNE A,99, SET2 AJMP LL4LL4: MOV YEAR, 0 JMP SET2TY: INC MONTH ；月的調(diào)整 MOV A, MONTH ；是否達到了12月到了就清零 CJNE A,13, SET2 AJMP LL5LL5: MOV MONTH, 0 JMP SET2TR: INC DAY ；日的調(diào)整 MOV A, YEAR ；看是閏年還是非閏年 MOV B, 4 DIV AB MOV A, B JZ WW1 ；閏年則轉(zhuǎn)WW1 JMP WW2 ；非閏年則轉(zhuǎn)WW2WW1: MOV A, MONTH ；看是閏年的哪一月份 CJNE A,2, LL6 ；是閏年中的2月則為29天 MOV A, DAY 到29就清零 CJNE A,29, SET2 MOV DAY, 0 AJMP SET2 LL6: CJNE A,4, LL7 ；閏年中的11為30天 MOV A, DAY 到30就清零 CJNE A,30, SET2 MOV DAY, 0 AJMP SET2LL7: MOV A, MONTH CJNE A,6, LL8 MOV A, DAY CJNE A,30, SET2 MOV DAY, 0 AJMP SET2LL8: MOV A, MONTH CJNE A,9, LL9 MOV A, DAY CJNE A,30, SET2 MOV DAY, 0 AJMP SET2LL9: MOV A, MONTH CJNE A,11, LLA MOV A, DAY CJNE A,30, ZHUAN MOV DAY, 0 AJMP SET2LLA: AJMP WW6 WW6: MOV A, DAY ；閏年中的12月 CJNE A,31, ZHUAN MOV DAY, 0ZHUAN:AJMP SET2WW2: