八路搶答器說明書(參考版)
2024-08-13 23:44本頁面
【正文】 OUT: RETI。======T0溢出中斷(響鈴程序)=====T0INT: MOV TH0,0ECH MOV TL0,0FFH JNB RING,OUT CPL 。將有效數(shù)據(jù)送到36H暫存 AJMP LOOP2AA1: DEC R7 AJMP AA0。AAAA1: MOV A,P1 CJNE A,0FFH,AA1 。由于在讀搶答數(shù)據(jù)口的時(shí)候，單片機(jī)首先進(jìn)入倒計(jì)時(shí)程序，再調(diào)用顯示程序，最后才檢測按鍵口 。沒讀到有效數(shù)據(jù)時(shí)繼續(xù)轉(zhuǎn)到AAAA1LOOP2: DJNZ 33H,LOOP2 DJNZ 32H,LOOP3 RET。 =====延時(shí)4236個(gè)機(jī)器周期(顯示用到)=====DELAY2: MOV 32H,43HLOOP3: MOV 33H,1EH MOV A,R7 。調(diào)用倒計(jì)時(shí)子程序。調(diào)用發(fā)聲程序 MOV A,R2 。搶答時(shí)間R2送R6 MOV R6,A MOV R3,07H CLR OK AJMP COUNT 。調(diào)用倒計(jì)時(shí)子程序TRUE7: ACALL BARK 。調(diào)用發(fā)聲程序 MOV A,R2 。搶答時(shí)間R2送R6 MOV R6,A MOV R3,05H CLR OK AJMP COUNT 。調(diào)用發(fā)聲程序TRUE5: ACALL BARK 。調(diào)用發(fā)聲程序 MOV A,R2 。搶答時(shí)間R2送R6 MOV R6,A MOV R3,03H CLR OK AJMP COUNT 。調(diào)用倒計(jì)時(shí)子程序TRUE3: ACALL BARK 。調(diào)用發(fā)聲程序 MOV A,R2 。因?yàn)榇痤}的計(jì)時(shí)不再查詢搶答,所以就鎖了搶答 AJMP COUNT 。調(diào)用發(fā)聲程序 MOV A,R2 MOV R6,A 。如果按下了停止鍵執(zhí)行的程序 CLR RING AJMP START。如按下停止鍵退出 NEXTT: ACALL DISPLAY JB OK,ACCOUT 。如果1s向下運(yùn)行,否者跳到查停/顯示 DEC R6 。下面是1s的情況,響并顯示號(hào)數(shù)并清R0,重新計(jì)數(shù) SETB RING MOV A,R6 JZ QUIT MOV R0,00H DEC R6 。大于5s跳到LARGER,小于等于5s會(huì)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(jì)時(shí)的時(shí)間,之前先將搶答時(shí)間或回答時(shí)間給R6 MOV B,0AH DIV AB 。重置定時(shí)器的中斷次數(shù) MOV TH1,3CH MOV TL1,0B0H 。第一個(gè)為零,其他與上相同,因?yàn)槭蝗绻麨榱泔@示熄滅。調(diào)用延時(shí)子程序 RET DAT1:DB 0FFH,0F9H,0A4H,0B0H,099H,092H,082H,0F8H,080H,090H,0FFH,8EH 。段選 MOV P0,A 。調(diào)用延時(shí)子程序 MOV A,R4 MOVC A,A+DPTR 。段選 MOV P0,A 。調(diào)用延時(shí)子程序 MOV DPTR,DAT2 MOV A,R5 MOVC A,A+DPTR 。段選 MOV P0,A 。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 。跳轉(zhuǎn)到查詢程序。停止響鈴 CLR OK 。號(hào)數(shù)給R3 ACALL DISPLAY 。顯示FF和號(hào)數(shù) AJMP CHECK1CHECK1:JNB ,QUIT1 。響鈴 MOV R0,00H MOV R3,34H 。三個(gè)燈全滅 AJMP CHECK1FLASH: CJNE A,0CH,CHECK1 。======指示燈閃爍處理程序======HERE: MOV A,R0 CJNE A,06H,FLASH 。重置T1初值 MOV TL1,0B0H MOV 34H,R3 。RROR犯規(guī)搶答子程序。RROR犯規(guī)搶答子程序FALSE8: MOV R3,08H 。RROR犯規(guī)搶答子程序FALSE7: MOV R3,07H 。RROR犯規(guī)搶答子程序FALSE6: MOV R3,06H 。RROR犯規(guī)搶答子程序FALSE5: MOV R3,05H 。RROR犯規(guī)搶答子程序FALSE4: MOV R3,04H 。RROR犯規(guī)搶答子程序FALSE3: MOV R3,03H 。跳轉(zhuǎn)到ERROR犯規(guī)搶答子程序F
規(guī)章制度相關(guān)推薦
鄂ICP備17016276號(hào)-1