Since the ATtiny13 does not have a USART, has anyone got a short and sweet asm routine to implement a USART ?
I ran into a situation with my C code that I really need to see what the chip is reading into its a/d registers. The simples way would be to dump the serial data out the port so I can see it on my PC. The problem is that it does not have a USART. So I need to implement a hardware one in asm. Another problem is that I already am using the timer so the serial routine cannot use the time to time the bits.
anyone got anything ????