基于單片機控制的智力競賽搶答器(參考版)
2025-06-21 18:43本頁面
【正文】 OUT: RETI。=====TO溢出中斷(響鈴程序)=====T0INT: MOV TH0,0ECH MOV TL0,0FFH JNB RING,OUT。=====發(fā)聲程序=====BARK: SETB RING ACALL DELAY1 ACALL DELAY1 CLR RING。====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。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 。=====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。取回號數(shù) MOV R5,0BH MOV R4,0BH。三燈全滅 AJMP CHECK1FLASH:CJNE A,14H,CHECK1。犯規(guī)號數(shù)暫存與(34H)HERE: MOV A,R0 CJNE A,0AH,FLASH。 MOV A,R2 MOV R6,A MOV R3,06H MOV R7,46H CLR OK AJMP COUNT。 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 R3,02H MOV R7,42H CLR OK AJMP COUNTTRUE3:ACALL BARK。搶答時間R2送R6 MOV R3,01H MOV R7,41H CLR OK。=====正常搶答處理程序=====TRUE1: ACALL BARK。如果是搶答倒計時,如是則查詢搶答,否者跳過查詢繼續(xù)倒數(shù)(這里起到鎖搶答作用) AJMP RECOUNT ACCOUT:JNB ,TRUE1 JNB ,TRUE2 JNB ,TRUE3 JNB ,TRUE4 JNB ,TRUE5 JNB ,TRUE6 AJMP RECOUNT QUIT:CLR OK。計時一秒R6自動減1 MOV R0,00H CHECK: JNB ,QUIT。一秒標志減1 AJMP CHECKLARGER: MOV A,R0 CJNE A,14H,CHECK。下面系1s的情況,響并顯示號數(shù)并清R0,重新計 SETB RING MOV A,R6 JZ QUIT。大于5s跳到LARGER,小于等于5s會提醒 MOV A,R0 CJNE A,0AH,FULL。取十位 MOV R4,31H。十位存于(30H) MOV 31H,B。R6保存了倒計時的時間,之前先將搶答時間或回答時間給R6 MOV B,0AH DIV AB。重置定時器中斷次數(shù) MOV TH1,3CH MOV TL1,0B0H。=====INT1(答題對錯加減分數(shù)程序）=====INT1SUB:MOV R4,0AH MOV R5,0AH JNB ,INC1 JNB ,DEC1 JNB ,BACK1 ACALL DISPLAY AJMP INT1SUB MOV A,R3 SUBB A,01H JZ XXY1 SUBB A,02H JZ XXY2 SUBB A,03H JZ XXY3 SUBB A,04H JZ XXY4 SUBB A,05H JZ XXY5 SUBB A,06H JZ XXY6 XXY1:MOV R7,41H XXY2:MOV R7,42H XXY3:MOV R7,43H XXY4:MOV R7,44H XXY5:MOV R7,45H XXY6:MOV R7,46H INC1:INC R7 CJNE R3,01H,L1 MOV 51H,R7 L1:CJNE R3,02H,L2 MOV 52H,R7 L2:CJNE R3,03H,L3 MOV 53H,R7 L3:CJNE R3,04H,L4 MOV 54H,R7 L4:CJNE R3,05H,L5 MOV 55H,R7 L5:CJNE R3,06H,LL MOV 56H,R7 LL:ACALL DELAY1
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