... thai cac phimbit set0 =1, set1 =1, up0 =1, up1 =1, down0 =1, down1 =1; //Ma Hex led 7 thanhunsigned char code[]={0x 40, 0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x 80, 0x 90} ;unsigned char h =15 ,m=45,s=55;//Bien ... if((kt= =0) ||(kt! =1) ||((kt= =1) &&(x< 50) )) { PORTA=code[h / 10 ];led1 =1; delay_us( 200 0);led1 =0; PORTA=code[h % 10 ];led2 =1; delay_us( 200 0);led2 =0; } if((kt= =0) ||(kt!=2)||((kt==2)&&(x< 50) )) //Tuong tu nhu ... PORTA=code[m / 10 ];led3 =1; delay_us( 200 0);led3 =0; PORTA=code[m % 10 ];led4 =1; delay_us( 200 0);led4 =0; } if((kt= =0) ||(kt!=3)||((kt==3)&&(x< 50) ))//Tuong tu nhu KT gio { PORTA=code[s / 10 ];led5 =1; delay_us( 200 0);led5 =0; ...