uint8_t* ptr = data;
uint32_t pos = 0, i;
while(ptr<data+logoidx->size) {
    int type = HI_NIBBLE(ptr[0]);
    uint32_t num = LO_NIBBLE(ptr[0])*0x100 + ptr[1];
    ptr+=2;

    if(type==8) {
        for(i=0; i<num; i++) {
            memcpy(&base[pos], ptr, 3);
            pos+=3;
        }
        ptr+=3;
    }

    else {
        memcpy(&base[pos], ptr, num*3);
        ptr+=num*3;
        pos+=num*3;
    }
}