执行下列程序,输出不对,显示乱码!哪位大侠帮忙改正一下我QQ601694858
OK EQU 20H ;抢答开始标志位 RING EQU 22H ;响铃标志位 DATA0 EQU 36H ;抢答按键口数据存放地址 ORG 0000H AJMP MAIN ORG 0003H AJMP INTT0 ORG 000BH AJMP T0INT ORG 001BH AJMP T1INT ORG 0040H MAIN: MOV R1,#20 ;初设抢答时间为20s MOV R2,#30 ;初设答题时间为30s MOV 38H,#60 ;启用锦囊时间从60s倒计时 MOV TMOD,#11H ;设置未定时器/模式1 MOV TH0,#0F0H MOV TL0,#0FFH ;越高发声频率越高,越尖 MOV TH1,#3CH MOV TL1,#0B0H ;50ms为一次溢出中断 SETB EA SETB ET0 SETB ET1 ;允许二个中断,T0/T1 CLR OK CLR RING SETB TR1 SETB TR0 ;一开始就运行定时器,以开始显示FFF.如果想重新计数,重置TH1/TL1就可以了
START: MOV DATA0,#0FFH ;初始化 MOV R5,#0BH MOV R4,#0BH MOV R3,#0BH ACALL DISPLAY ;未开始抢答时候显示FFF JNB P3.3,SELSUB0 JNB P3.4,TZ3 ;倒计时调整 JB P3.0,NEXT ACALL DELAY JB P3.0,NEXT ;去抖动,如果“开始键”按下就向下执行,否者跳到非法抢答查询 SETB EX0 ;开放INT0 ACALL BARK ;按键发声 MOV A,R1 MOV R6,A ;送R1->R6,因为R1中保存了抢答时间 SETB OK ;抢答标志位,在使用锦囊时用作判断是抢答倒计时还是回答倒计时 MOV R3,#0AH ;抢答只显示计时,灭号数 AJMP COUNT ;进入倒计时程序,“查询有效抢答的程序”在COUNT里面 NEXT: JNB P1.0,FALSE1 JNB P1.1,FALSE2 JNB P1.2,FALSE3 JNB P1.3,FALSE4 JNB P1.4,FALSE5 JNB P1.5,FALSE6 JNB P1.6,TZ1 JNB P1.7,TZ2 AJMP START TZ1: AJMP FALSE7 TZ2: AJMP FALSE8 TZ3: AJMP SELSUB1
FALSE1: MOV R3,#01H AJMP ERROR FALSE2: MOV R3,#02H AJMP ERROR FALSE3: MOV R3,#03H AJMP ERROR FALSE4: MOV R3,#04H AJMP ERROR FALSE5: MOV R3,#05H AJMP ERROR FALSE6: MOV R3,#06H AJMP ERROR FALSE7: MOV R3,#07H AJMP ERROR FALSE8: MOV R3,#08H AJMP ERROR
SELSUB0: MOV A,R1 MOV B,#0AH DIV AB MOV R5,A MOV R4,B MOV R3,#0AH ACALL DISPLAY ;先在两个时间LED上显示R1 JNB P3.5,INC0 ;P3.5为+1s键,如按下跳到INCO JNB P3.6,DEC0 ;P3.6为-1s键,如按下跳到DECO JNB P3.1,BACK0 ;P3.1为确定键,如按下跳到BACKO AJMP SELSUB0 INC0: MOV A,R1 CJNE A,#63H,ADD0 ;如果不是99,R2加1,如果加到99,R1就置0,重新加起。 MOV R1,#00H ACALL DELAY1 AJMP SELSUB0 ADD0: INC R1 ACALL DELAY1 AJMP SELSUB0 DEC0: MOV A,R1 JZ SETR1 ;如果R1为0, R1就置99, DEC R1 ACALL DELAY1 AJMP SELSUB0 SETR1: MOV R1,#63H ACALL DELAY1 AJMP SELSUB0 BACK0: AJMP START
SELSUB1: MOV A,R2 MOV B,#0AH DIV AB MOV R5,A MOV R4,B MOV R3,#0AH ACALL DISPLAY JNB P3.5,INC1 JNB P3.6,DEC1 JNB P3.1,BACK1 AJMP SELSUB1 INC1: MOV A,R2 CJNE A,#63H,ADD1 MOV R2,#00H ACALL DELAY1 AJMP SELSUB1 ADD1: INC R2 ACALL DELAY1 AJMP SELSUB1 DEC1: MOV A,R2 JZ SETR2 DEC R2 ACALL DELAY1 AJMP SELSUB1 SETR2: MOV R2,#63H ACALL DELAY1 AJMP SELSUB1 BACK1: AJMP START
REPEAT: MOV A,38h ;使用锦囊时重新计时 MOV R6,A CLR RING ;当倒计时进入最后5秒的时候, 启用锦囊能消除蜂鸣 COUNT: MOV R0,#00H ;重置定时器中断次数 MOV TH1,#3CH MOV TL1,#0B0H ;重置定时器 RECOUNT:MOV A,R6 ;R6保存了倒计时的时间,之前先将 抢答时间或回答时间给R6 MOV B,#0AH DIV AB ;除十分出个位/十位 MOV 30H,A ;十位存于(30H) MOV 31H,B ;个位存于(31H) MOV R5,30H ;取十位 MOV R4,31H ;取个位 MOV A,R6 SUBB A,#07H JNC LARGER ;大于5s跳到LARGER,小于等于 5s会提醒 MOV A,R0 CJNE A,#0AH,FULL ;1s中0.5s向下运行 CLR RING AJMP CHECK FULL: CJNE A,#14H,CHECK ;下面是1s的情况,响并显示号数并清R0,重新计时 SETB RING MOV A,R6 JZ QUIT ;计时完毕 MOV R0,#00H DEC R6 ;一秒标志减1 AJMP CHECK LARGER: MOV A,R0 CJNE A,#14H,CHECK ;如果1s向下运行,否者跳到“停/显示” DEC R6 ;计时一秒R6自动减1 MOV R0,#00H CHECK: JNB P3.1,QUIT ;如按下停止键退出 JNB OK,CHECKK ;只在回答倒计时才有效 AJMP NEXTT CHECKK:JNB P3.0,REPEAT ;判断是否使用锦囊 NEXTT: ACALL DISPLAY JB OK,ACCOUT ;如果是抢答倒计时,如是则查询抢答,否者跳过查询继续倒数(这里起到锁抢答作用) AJMP RECOUNT ACCOUT:MOV A,DATA0 JNB ACC.0,TRUE1 JNB ACC.1,TRUE2 JNB ACC.2,TRUE3 JNB ACC.3,TRUE4 JNB ACC.4,TRUE5 JNB ACC.5,TRUE6 JNB ACC.6,TZ7 JNB ACC.7,TZ8 AJMP RECOUNT TZ7: AJMP TRUE7 TZ8: AJMP TRUE8 QUIT: CLR OK ;如果按下了“停止键”执行的程序 CLR RING AJMP START
TRUE1: ACALL BARK MOV A,R2 MOV R6,A ;抢答时间R2送R6 MOV R3,#01H CLR OK ;因为答题的计时不再查询抢答,所以就锁了抢答 AJMP COUNT TRUE2:ACALL BARK MOV A,R2 MOV R6,A MOV R3,#02H CLR OK AJMP COUNT TRUE3:ACALL BARK MOV A,R2 MOV R6,A MOV R3,#03H CLR OK AJMP COUNT TRUE4: ACALL BARK MOV A,R2 MOV R6,A MOV R3,#04H CLR OK AJMP COUNT TRUE5: ACALL BARK MOV A,R2 MOV R6,A MOV R3,#05H CLR OK AJMP COUNT TRUE6: ACALL BARK MOV A,R2 MOV R6,A MOV R3,#06H CLR OK AJMP COUNT TRUE7: ACALL BARK MOV A,R2 MOV R6,A MOV R3,#07H CLR OK AJMP COUNT TRUE8: ACALL BARK MOV A,R2 MOV R6,A MOV R3,#08H CLR OK AJMP COUNT
ERROR: MOV R0,#00H MOV TH1,#3CH MOV TL1,#0B0H MOV 34H,R3 ;犯规号数暂存与(34H) HERE: MOV A,R0 CJNE A,#06H,FLASH ;0.3s向下运行->灭并停响 CLR RING MOV R3,#0AH MOV R4,#0AH MOV R5,#0AH ;三灯全灭 AJMP CHECK1 FLASH: CJNE A,#0CH,CHECK1 ;下面是0.8s的情况,响并显示号数并清R0,重新计 SETB RING MOV R0,#00H MOV R3,34H ;取回号数 MOV R5,#0BH MOV R4,#0BH ;显示FF和号数 AJMP CHECK1 CHECK1: JNB P3.1,QUIT1 ACALL DISPLAY AJMP HERE QUIT1: CLR RING CLR OK AJMP START
DISPLAY:MOV DPTR,#DAT1 ;查表显示程序,利用P0口做段选码口输出/P2低三位做位选码输出 MOV A,R3 MOVC A,@A+DPTR MOV P2,#0feH MOV P0,A ACALL DELAY MOV DPTR,#DAT2 MOV A,R5 MOVC A,@A+DPTR MOV P2,#0fdH MOV P0,A ACALL DELAY MOV A,R4 MOVC A,@A+DPTR MOV P2,#0fbH MOV P0,A ACALL DELAY RET DAT1:DB 00h,06h,5bh,4fh,66h,6dh,7dh,07h,7fh,6fh,00H,71H ;"灭","1","2","3","4","5","6","7","8","9","灭","F" DAT2:DB 3fh,06h,5bh,4fh,66h,6dh,7dh,07h,7fh,6fh,00H,71H ;第一个为零,其他与上相同,因为十位如果为零显示熄灭
DELAY1: MOV 35H,#08H LOOP0: ACALL DISPLAY DJNZ 35H,LOOP0 RET
DELAY: MOV 32H,#12H LOOP: MOV 33H,#0AFH LOOP1: DJNZ 33H,LOOP1 DJNZ 32H,LOOP RET
BARK: SETB RING ACALL DELAY1 ACALL DELAY1 CLR RING ;按键发声 RET
T0INT: MOV TH0,#0ECH MOV TL0,#0FFH JNB RING,OUT; CPL P3.7 ;RING标志位为1时候P3.7口不断取反使喇叭发出一定频率的声音 OUT: RETI
T1INT: MOV TH1,#3CH MOV TL1,#0B0H INC R0 RETI
INTT0: MOV DATA0,P1
CLR EX0
RETI
END
[ 本帖最后由 ZTCLXQ12 于 2011-6-17 17:49 编辑 ]
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