better you try this for eg :

[umar farrok]

better you try this  for eg :  ‘h’  in 16×2 

cmdwrt(0x64);

datwrt(16);

datwrt(16);

datwrt(16);

datwrt(16+8+4);

 etc like that

finally after assigned for h character mention where you want to display this

cmdwrt(0x80);