【文章內(nèi)容簡介】 閃爍和預(yù)置）GS BIT 02H。glisten symbol閃爍標(biāo)志 FC BIT 03H。frequency control頻率控制 NB BIT 04H。neglect bitrhday symbol 忽略生日標(biāo)志 CLR BS CLR SS CLR GS CLR FC CLR NB SETB 05H。生日顯示有效標(biāo)志位 MOV IP,02H。中斷優(yōu)先級：T0INT0T1 MOV TMOD,11H MOV IE,8BH SETB IT0 MOV TH0,3CH。50ms MOV TL0,0B0H SETB TR0 MOV R1,50。顯示延時用 MOV R0,0。顯示延時用。************************************************************** TWO檢測開關(guān)號 TWO:MOV P0,0FFH JB ,TWO1 MOV RE,0A0H。0A0表示鬧鈴無效，送0A0是為了方便將使能查表顯示，表中第A項為“” SJMP TWO2 TWO1:MOV RE,0A1H TWO2:JB ,TWO4 JB ,TWO3 MOV LED12,HOUR MOV LED34,MIN MOV LED56,SECOND SJMP THREE TWO3:MOV LED12,YEAR MOV LED34,MONTH MOV LED56,DAY SJMP THREE TWO4:JB ,TWO5 MOV LED12,RH MOV LED34,RM MOV LED56,RE SJMP THREE TWO5:MOV LED12,BM MOV LED34,BD MOV LED56,0BCH SJMP THREE。************************************** THREE顯示主程序（同時包含了鬧鈴，預(yù)置閃爍，鬧鈴功能）THREE:MOV P1,0 MOV P0,0FFH MOV DPTR,TAB3 JNB SS,THREEB。判斷預(yù)置信號是否有效，預(yù)置有效則轉(zhuǎn)入判斷閃爍顯示模塊，否則轉(zhuǎn)入正常顯示模塊SJMP THREEA THREEB:LJMP THREE11。THREE11是正常顯示并判斷整點報時及鬧鈴模塊THREEA:JNB ,THREE1。開始是判斷閃爍顯示，這句判斷是否預(yù)置分/月/生日的日/鬧鈴分JNB GS,THREE1。是否閃爍？LCALL TWELVE。閃爍則調(diào)用延時不顯示LED34 SJMP THREE4 THREE1:MOV A,LED34 ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE2:SETB NOP DJNZ R0,THREE2 CLR MOV A,LED34 SWAP A ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE3:SETB NOP DJNZ R0,THREE3 CLR JNB ,THREE4。判斷是否預(yù)置小時/年/生日月/鬧鈴的小時 JNB GS,THREE4。是否顯示小時/年/生日月/鬧鈴的小時 LCALL TWELVE SJMP THREE7 THREE4:MOV A,LED12 ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE5:SETB NOP DJNZ R0,THREE5 CLR MOV A,LED12 SWAP A ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE6:SETB NOP DJNZ R0,THREE6 CLR JB ,THREE7。數(shù)碼管56只有在顯示日期的天時才有預(yù)置閃爍功能，其余三項都不需要判斷閃爍 JNB ,THREE7 JB ,THREE7 JNB ,THREE7 JNB GS,THREE7 LCALL TWELVE SJMP THREE10 THREE7:MOV A,LED56 ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE8:SETB NOP DJNZ R0,THREE8 CLR MOV A,LED56 SWAP A ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE9:SETB NOP DJNZ R0,THREE9 CLR THREE10:DJNZ R1,TWOA SJMP TWOB TWOA:LJMP TWO TWOB:MOV R1,50。判斷閃爍一次是否完成 CPL GS。取反閃爍標(biāo)志，用于控制閃爍的亮和滅 LJMP TWO。一輪顯示完后再判斷開關(guān)號。**************************正常顯示THREE11:LCALL EIGHT。，以下每次顯示都要調(diào)用一次JB NB,THREE12。如果是在整點報時狀態(tài)就不顯示生日提醒，報時過后顯示提醒 JNB BS,THREE12 SJMP SEVEN。跳到生日提醒程序THREE12:CLR NB。開始正常顯示時間及判斷鬧鈴輸出 MOV A,LED34 ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE13:SETB NOP DJNZ R0,THREE13 CLR MOV A,LED34 SWAP A ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE14:SETB NOP DJNZ R0,THREE14 CLR LCALL EIGHT MOV A,LED12 ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE15:SETB NOP DJNZ R0,THREE15 CLR MOV A,LED12 SWAP A ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE16:SETB NOP DJNZ R0,THREE16 CLR LCALL EIGHT MOV A,LED56 ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE17:SETB NOP DJNZ R0,THREE17 CLR MOV A,LED56 SWAP A ANL A,0FH MOVC A,@A+DPTR MOV P2,A THREE18:SETB NOP DJNZ R0,THREE18 CLR LJMP TWO。一輪顯示完后判開關(guān)TAB3:DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H 7FH,6FH,40H,7CH,5EH。,的字形表“bd”在顯示生日時間時顯示在LED56。**************************************************SEVEN生日時顯示生日祝福語“HAPPY” SEVEN:MOV P1,01H MOV P2,76H DJNZ R0,SEVEN SEVEN1:MOV P1,02H MOV P2,77H DJNZ R0,SEVEN1 SEVEN2:MOV P1,04H MOV P2,73H DJNZ R0,SEVEN2 SEVEN3:MOV P1,08H MOV P2,73H DJNZ R0,SEVEN3 SEVEN4:MOV P1,10H MOV P2,6EH DJNZ R0,SEVEN4 LJMP TWO。一輪顯示完后判開關(guān)。******************************************************************EIGHT判斷是否鬧鈴子程序 EIGHT:MOV A,RE CJNE A,0A1H,EIGHT1 MOV A,MIN CJNE A,RM,EIGHT1 MOV A,HOUR CJNE A,RH,EIGHT1 SJMP EIGHT4。（即NB有效）EIGHT1:MOV A,MIN CJNE A,59H,EIGHT7 MOV A,SECOND CJNE A,59H,EIGHT5。是否等于59分59秒 EIGHT2:MOV A,COUNT。是否到達(dá)后半秒 CJNE A,10,EIGHT3 EIGHT3:JC EIGHT7 EIGHT4:CPL SETB NB SJMP EIGHT7 EIGHT5:MOV A,SECOND CJNE A,51H,EIGHT6。是否大于51秒 EIGHT6:JC EIGHT7 JNB 10H,EIGHT7。判斷是否報低音JB FC,EIGHT7。只有FC有效時才輸出SJMP EIGHT2 EIGHT7:CPL FC。用來控制報低音和高音，滿足報低音條件時，高音時調(diào)用一次取反一次RET。******** NINE中斷（T0）計時程序（包含了秒－分－時－日－月－年間的進(jìn)位及判斷大小月，平閏年）NINE:MOV TH0,3CH。開定時器 MOV TL0,0B0H SETB TR0 INC COUNT MOV A,COUNT CJNE A,20,INEAA SJMP AAA INEAA:LJMP NINE1 AAA:MOV COUNT,0。計時 MOV A,SECOND ADD A,01 DA A。換成bcd碼以方便顯示 MOV SECOND,A CJNE A,60H,INEAA MOV SECOND,0 MOV A,MIN ADD A