I'd like to use a JTAG UART with an 8-bit processor that I'm using with the terasic DE0-CV board that I have. I do have a conventional UART that I could use, but I'd prefer to use the JTAG cable. Performance would be modest, in area of 9600 bps or slower.

Some pointers on how to get started would be appreciated. On the host side I've learned that a JTAG server is installed with Quartus, but I don't know how to associate that with a COM port, so that I'll be able to use a terminal program like putty or teraterm. On the target side I'm not sure where to get started.