【文章內(nèi)容簡介】 ALB EQU K1 BIT K2 BIT K3 BIT K4 BIT K5 BIT K6 BIT K7 BIT MOV SP,60H。 ORG 00HAJMP MAIN ORG 0BH AJMP TIME0 MAIN: SETB DENG CLR ALB ACALL CHUSHI ACALL INTOLOOP: ACALL NAOPRO ACALL CONV ACALL DISPLAY JB K6,LOOP1 ACALL BIAO SJMP LOOPLOOP1: JB K1,LOOP2 ACALL SETTIME SJMP LOOPLOOP2: JB K4,LOOP3 ACALL SETNAO SJMP LOOPLOOP3: JB K7,LOOP ACALL RST SJMP LOOP。 CONV: 。轉(zhuǎn)換子程序 MOV A,SHI 。轉(zhuǎn)換小時 存到34 35H MOV B,10 DIV AB MOV DPTR,TAB MOVC A,@A+DPTR MOV BUF,A MOV A,B MOVC A,@A+DPTR MOV BUF+1,A MOV A,FEN 。轉(zhuǎn)換分 存到37 38H MOV B,10 DIV AB MOV DPTR,TAB MOVC A,@A+DPTR MOV BUF+3,A MOV A,B MOVC A,@A+DPTR MOV BUF+4,A MOV A,MIAO 。轉(zhuǎn)換秒 存到40 41H MOV B,10 DIV AB MOV DPTR,TAB MOVC A,@A+DPTR MOV BUF+6,A MOV A,B MOVC A,@A+DPTR MOV BUF+7,A MOV BUF+2,0BFH 。第三個位置顯示一杠 MOV BUF+5,0BFH 。第五個位置顯示一杠 RETTAB: DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H 。陽碼表。DISPLAY: 。顯示子程序 MOV R1,BUF MOV A,01H MOV R2,8 Dp1:MOV P2,A PUSH ACC MOV A,@R1 MOV P0,A ACALL DELAY POP ACC RL A INC R1 CJNE R1,BUF+8,DY MOV R1,BUFDY: DJNZ R2,Dp1 RET。BIAO: CPL ALB 。鬧鐘開關 CPL BIAOZBIAO1: ACALL CONV ACALL DISPLAY JNB K6,BIAO1 RET。SETTIME: 。設置時間 CLR TR0TT: ACALL DISPLAY 。設置小時TS: JNB K1,TTTSS: ACALL DISPLAYS JNB K1,TF JNB K2,JIAS JNB K3,JIANS JNB K5,QUE SJMP TSSJIAS: INC SHI 。加時子程序 MOV A,SHI CJNE A,24,K2S MOV SHI,0K2S: ACALL CONV ACALL DISPLAY JNB K2,K2S SJMP TSSJIANS: DEC SHI 。減時子程序 MOV A,SHI CJNE A,255,K3S MOV SHI,23K3S: ACALL CONV ACALL DISPLAY JNB K3,K3S SJMP TSSQUE: ACALL BZ SETB TR0: ACALL CONV ACALL DISPLAY JNB K5, LJMP LOOP。TM: ACALL DISPLAY 。設置秒 JNB K1,TMTMM: ACALL DISPLAYM JNB K1,TS JNB K2,JIAM JNB K3,JIANM JNB K5,QUE JMP TMMJIAM: INC MIAO 。加秒 MOV A,MIAO CJNE A,60,K2M MOV MIAO,0K2M: ACALL CONV ACALL DISPLAY JNB K2,K2M JMP TMMJIANM: DEC MIAO 。減秒 MOV A,MIAO CJNE A,255,K3M MOV MIAO,59K3M: ACALL CONV ACALL DISPLAY JNB K3,K3M JMP TMM。TF: ACALL DISPLAY 。設置分鐘 JNB K1,TFTFF: ACALL DISPLAYF JNB K1,TM JNB K2,JIAF JNB K3,JIANF JNB K5,QUE JMP TFFJIAF: INC FEN 。加分鐘 MOV A,FEN