基于單片機控制的智力競賽搶答器-資料下載頁
2025-06-18 18:43本頁面
【正文】 R6 MOV R3,01H MOV R7,41H CLR OK。因為答題的計時不再查詢搶答,所以就鎖了搶答 AJMP COUNTTRUE2:ACALL BARK。 MOV A,R2 MOV R6,A MOV R3,02H MOV R7,42H CLR OK AJMP COUNTTRUE3:ACALL BARK。 MOV A,R2 MOV R6,A MOV R3,03H MOV R7,43H CLR OK AJMP COUNTTRUE4:ACALL BARK。 MOV A,R2 MOV R6,A MOV R3,04H MOV R7,44H CLR OK AJMP COUNTTRUE5:ACALL BARK。 MOV A,R2 MOV R6,A MOV R3,05H MOV R7,45H CLR OK AJMP COUNTTRUE6:ACALL BARK。 MOV A,R2 MOV R6,A MOV R3,06H MOV R7,46H CLR OK AJMP COUNT。=====犯規(guī)搶答程序=====ERROR:MOV R0,00H MOV TH1,3CH MOV TL1,0B0H MOV 34H,R3。犯規(guī)號數(shù)暫存與(34H)HERE: MOV A,R0 CJNE A,0AH,FLASH。滅并停響 CLR RING MOV R3,0AH MOV R4,0AH MOV R5,0AH。三燈全滅 AJMP CHECK1FLASH:CJNE A,14H,CHECK1。下面系1s的情況,響并顯示號數(shù)并清R0,重新計 SETB RING MOV R0,00H MOV R3,34H。取回號數(shù) MOV R5,0BH MOV R4,0BH。顯示FF和號數(shù) AJMP CHECK1CHECK1:JNB ,QUIT1 ACALL DISPLAY AJMP HEREQUIT1: CLR RING CLR OK AJMP START。=====顯示程序=====DISPLAY:MOV 41H,51H MOV 42H,52H MOV 43H,53H MOV 44H,54H MOV 45H,55H MOV 46H,56H 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,r5 MOVC A,@A+DPTR MOV P2,01H MOV P0,A ACALL DELAY MOV DPTR,DAT2 MOV A,r4 MOVC A,@A+DPTR MOV P2,02H MOV P0,A ACALL DELAY MOV A,r3 MOVC A,@A+DPTR MOV P2,04H MOV P0,A ACALL DELAY MOV A,R7 MOVC A,@A+DPTR MOV P2,08H MOV P0,A ACALL DELAY RET DAT1:DB 00H,06h,5bh,4fh,66h,6dh,7dh,07h,7fh,6fh,00H,71H 。滅,1,2,3,4,5,6,7,8,9,滅,F DAT2:DB 3fh,06h,5bh,4fh,66h,6dh,7dh,07h,7fh,6fh,00H,71H 。第一個為零,其他與上相同,因為十位如果為零顯示熄滅。====加減時間延時(起到不會按下就加N個數(shù))======DELAY1: MOV 35H,08HLOOP0: ACALL DISPLAY DJNZ 35H,LOOP0 RET。=====延時(顯示和去抖動用到)=====DELAY: MOV 32H,12HLOOP: MOV 33H,0AFHLOOP1: DJNZ 33H,LOOP1 DJNZ 32H,LOOP RET。=====發(fā)聲程序=====BARK: SETB RING ACALL DELAY1 ACALL DELAY1 CLR RING。按鍵發(fā)聲 RET。=====TO溢出中斷(響鈴程序)=====T0INT: MOV TH0,0ECH MOV TL0,0FFH JNB RING,OUT。 CPL 。OUT: RETI。=====T1溢出中斷(計時程序)=====T1INT: MOV TH1,3CH MOV TL1,0B0H INC R0 RETI END附2 23
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