课程设计 抽奖机

//按键去抖//if((temp0!=KEY0)||(temp1!=KEY1)||(temp2!=KEY2)){if(!ktmr){EKEY0=(KEY0^temp0)&temp0;EKEY1=(KEY1^temp1)&temp1;EKEY2=(KEY2^temp2)&temp2;KEY0=temp0;KEY1=temp1;KEY2=temp2;}else{ktmr--;temp0=KEY0;