單片機(jī)實(shí)訓(xùn)-八路搶答器(編輯修改稿)
2024-08-31 14:34 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 效搶答的程序在COUNT里面NEXT: JNB ,FALSE1JNB ,FALSE2JNB ,FALSE3JNB ,FALSE4JNB ,FALSE5JNB ,FALSE6JNB ,FALSE7JNB ,FALSE8AJMP START。=====非法搶答處理程序=====FALSE1: MOV R3,01HAJMP ERRORFALSE2: MOV R3,02HAJMP ERRORFALSE3: MOV R3,03HAJMP ERRORFALSE4: MOV R3,04HAJMP ERRORFALSE5: MOV R3,05HAJMP ERRORFALSE6: MOV R3,06HAJMP ERRORFALSE7: MOV R3,07HAJMP ERRORFALSE8: MOV R3,08HAJMP ERROR。=====INT0(搶答時(shí)間R1調(diào)整程序)=====INT0SUB:MOV A,R1MOV B,0AHDIV ABMOV R5,AMOV R4,BMOV R3,0AHACALL DISPLAY。先在兩個(gè)時(shí)間LED上顯示R1JNB ,INC0。+1s鍵,如按下跳到INCOJNB ,DEC0。,如按下跳到DECOJNB ,BACK0。,如按下跳到BACKOAJMP INT0SUBINC0: MOV A,R1CJNE 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 R1,00HACALL DELAY1AJMP INT0SUBADD0: INC R1ACALL DELAY1AJMP INT0SUBDEC0: MOV A,R1JZ SETR1。如果R1為0, R1就置99，DEC R1ACALL DELAY1AJMP INT0SUBSETR1: MOV R1,63HACALL DELAY1AJMP INT0SUBBACK0: RETI。=====INT1(回答時(shí)間R2調(diào)整程序)=====INT1SUB:MOV A,R2MOV B,0AHDIV ABMOV R5,AMOV R4,BMOV R3,0AHACALL DISPLAYJNB ,INC1JNB ,DEC1JNB ,BACK1AJMP INT1SUBINC1: MOV A,R2CJNE A,63H,ADD1MOV R2,00HACALL DELAY1AJMP INT1SUBADD1: INC R2ACALL DELAY1AJMP INT1SUBDEC1: MOV A,R2JZ SETR2DEC R2ACALL DELAY1AJMP INT1SUBSETR2: MOV R2,63HACALL DELAY1AJMP INT1SUBBACK1: RETI。=====倒計(jì)時(shí)程序(搶答倒計(jì)時(shí)和回答倒計(jì)時(shí)都跳到改程序)=====REPEAT:MOV A,R2 。使用錦囊時(shí)重新計(jì)時(shí)MOV R6,ACLR RING CLR COUNT: MOV R0,00H。重置定時(shí)器中斷次數(shù)MOV TH1,3CHMOV TL1,0B0H。重置定時(shí)器RECOUNT:MOV A,R6。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R6MOV B,0AHDIV AB。除十分出個(gè)位/十位MOV 30H,A。十位存于(30H)MOV 31H,B。個(gè)位存于(31H)MOV R5,30H。取十位MOV R4,31H。取個(gè)位MOV A,R6SUBB A,07HJNC LARGER。大于5s跳到LARGER,小于等于5s會(huì)提醒MOV A,R0CJNE A,0AH,FULL。CLR RINGAJMP CHECKFULL: CJNE A,14H,CHECK。下面是1s的情況,響并顯示號(hào)數(shù)并清R0,重新計(jì)SETB RINGMOV A,R6JZ QUIT。計(jì)時(shí)完畢MOV R0,00HDEC R6。一秒標(biāo)志減1AJMP CHECKLARGER: MOV A,R0CJNE A,14H,CHECK。如果1s向下運(yùn)行
高考資料相關(guān)推薦
鄂ICP備17016276號(hào)-1