In a moment of nostalgic geekiness, I decided to set up a Bulletin Board System BBS on my Commodore 64 again after 15 years However, I wanted to avoid long distance charges for any callers, and the need for a second phone line. The solution: Set it up so anyone with Internet access can simply Telnet to it. How does it work? A Windows PC is used to bridge between the Internet and the C64, as in the block diagram above. The PC and C64 are connected through a null modem cable and a VIC1011A Terminal Type adapter. A simple server program screenshot runs on the PC, listening on TCP Port 23 standard Telnet. When a connection is made, the server forwards all incoming data over the serial port COM1 in this case to the Commodore. Replies from the Commodore are similarly forwarded back to the callers Telnet client.

Website: http://home.ica.net/~leifb/bbs/index.htm