Hi Andy,
I not too sure if I can use 'do while' because the characters I'm talking abt printing is the self test mode of the printer. Here all Characters(alphabets, numbers, spl characters) are printed continously, when the end of the line is reached the next character is printed on the next line.
So after every char I need to check for tier overflow flag.
also i need to jump out, feed paper and get back to the same place(i.e. print the next char).
So I thought timer interrupt was most suited for this cause the ISR gets back right where it left.
What else can i do for this..
I need to stop printing in say 500 ms then go to next line and continue from the previous char...
-rahul