8路智能搶答器的設(shè)計(jì)方案-資料下載頁(yè)
2025-05-05 22:59本頁(yè)面
【正文】 OUNTTRUE3:ACALL BARK MOV A,R2 MOV R6,A MOV R3,03H CLR ST AJMP COUNTTRUE4:ACALL BARK MOV A,R2 MOV R6,A MOV R3,04H CLR ST AJMP COUNTTRUE5:ACALL BARK MOV A,R2 MOV R6,A MOV R3,05H CLR ST AJMP COUNTTRUE6: ACALL BARK MOV A,R2 MOV R6,A MOV R3,06H CLR ST AJMP COUNTTRUE7:ACALL BARK MOV A,R2 MOV R6,A MOV R3,07H CLR ST AJMP COUNTTRUE8:ACALL BARK MOV A,R2 MOV R6,A MOV R3,08H CLR ST AJMP COUNTERROR: MOV R0,00H MOV TH1,3CH MOV TL1,0B0H MOV 34H,R3。犯規(guī)號(hào)數(shù)暫存與(34H)HERE: MOV A,R0 CJNE A,06H,FLASH。滅并停響 CLR RING MOV R3,0AH MOV R4,0AH MOV R5,0AH。三燈全滅 AJMP CHECK1FLASH: CJNE A,0CH,CHECK1。,響并顯示號(hào)數(shù)并清R0,重新計(jì) SETB RING MOV R0,00H MOV R3,34H。取回號(hào)數(shù) MOV R5,0BH MOV R4,0BH。顯示FF和號(hào)數(shù) AJMP CHECK1CHECK1: JNB ,QUIT1 ACALL DISPLAY AJMP HEREQUIT1: CLR RING CLR ST AJMP STARTDISPLAY:MOV DPTR,DAT1。查表顯示程序,利用P0口做段選碼口輸出/P2低三位做位選碼輸出, MOV A,R3 MOVC A,@A+DPTR MOV P2,0feH MOV P0,A ACALL DELAY2 MOV DPTR,DAT2 MOV A,R5 MOVC A,@A+DPTR MOV P2,0fdH MOV P0,A ACALL DELAY2 MOV A,R4 MOVC A,@A+DPTR MOV P2,0fbH MOV P0,A ACALL DELAY2 RETDAT1:DB 00h,06h,5bh,4fh,66h,6dh,7dh,07h,7fh,6fh,00H,71H 。滅,1,2,3,4,5,6,7,8,9,滅,FDAT2:DB 3fh,06h,5bh,4fh,66h,6dh,7dh,07h,7fh,6fh,00H,71H。第一個(gè)為零,其他與上相同,因?yàn)槭蝗绻麨榱泔@示熄滅DELAY1: MOV 35H,08HLOOP0: ACALL DISPLAY DJNZ 35H,LOOP0 RETDELAY: MOV 32H,12HLOOP: MOV 33H,0AFHLOOP1: DJNZ 33H,LOOP1 DJNZ 32H,LOOP RETDELAY2: MOV 32H,43HLOOP3: MOV 33H,1EH MOV A,R7 。每隔60~70個(gè)機(jī)器周期讀一次P1口,全為1時(shí)為無(wú)效數(shù)據(jù),繼續(xù)讀,有一個(gè)不為1時(shí),轉(zhuǎn)到正常搶答處理 JNZ AAAA1 。沒讀到有效數(shù)據(jù)時(shí)繼續(xù)轉(zhuǎn)到AAAA1LOOP2: DJNZ 33H,LOOP2 DJNZ 32H,LOOP3 RETAAAA1: MOV A,P1 CJNE A,0FFH,AA1 。當(dāng)不全為1時(shí)的數(shù)據(jù)為有效數(shù)據(jù) AA0: MOV 36H,A 。將有效數(shù)據(jù)送到36H暫存 AJMP LOOP2 AA1: DEC R7 AJMP AA0BARK: SETB RING ACALL DELAY1 ACALL DELAY1 CLR RING。按鍵發(fā)聲 RETT0INT: MOV TH0,0ECH MOV TL0,0FFH JNB RING,OUT。 CPL 。OUT: RETIT1INT: MOV TH1,3CH MOV TL1,0B0H INC R0 RETI EN 36
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