Hoi ve doan chuongt rinh cho 2 con led 7 doan dem tu 0-99 ko phai bang cah quet

[mrkusim]

// EM VIET ROI MUK CON LED O PORT C NO KONG SANG O DOAN 'G'___ MAY PAC JUP EM VOI
int16 a,i;
char so[10];
int chuc,donvi;

so[0]=0b11000000;
so[1]=0b11111001;
so[2]=0b10100100;
so[3]=0b10110000;
so[4]=0b10011001;
so[5]=0b10010010;
so[6]=0b10000010;
so[7]=0b11111000;
so[8]=0b10000000;
so[9]=0b10010000;
trisc =0b00000000;
portc =0b00000000;
trisd =0b00000000;
portd =0b00000000;

a=0;
while(1)

{

chuc =a%10;
donvi =a/10;

portd =so[donvi];
delay_ms(100);
portc =so[chuc];
delay_ms(100);
a++;
if(a==99) a=0;
//a++;
}
}