C64 Serial Port finished!

It does, if you use the "brain" cable mods (take null modem cable and cut off DSR pin to 64). tcpser and tcpser4j flip DTR to effect DCD on the receiving end, but null modem cables normally hook DSR and DCD together. Cutting the pin lets DSR float high (which is fine) and DCD then tracks the connection state. For a user port system, the cut is not needed, as user port code typically ignores DSR, but the 6551 carts absolutely will not work if DSR is tied low. My first telecommunications was over rural lines using a brand new CBM 1600 non-dialing direct connect modem. 300 bps was not possible, so I conversed with friends at 150 bps. Later, I upgraded to a 1650 clone call the MasterModem that got me on at 300 bps. After lightning took the modem out, I got the ill-conceived 1660 300 bps modem, and when lightning took it (good riddance) I got a Zoom 2400 that I used at 2400 with Novaterm. Given the readership, I'll note I took the system to college, where I used it for term papers and general work until 1992, including doing my Physics online homework on the University of Illinois PLATO system from my dorm room using some PLATO emulator for the 64. It sure beat fighting for a plasma PLATO workstations at the locations on campus. Getting my first taste of UNIX via the 64 and Novaterm at 2400 bps was fun too. I think all the student accounts were on a Sequent 68K CPU based box, as I recall, but I could be terribly wrong. In any event, I still use tricks I learned them (screen, anyone) to this day. jim -- Jim Brain, Brain Innovations brain at jbrain.com Dabbling in WWW, Embedded Systems, Old CBM computers, and Good Times! Home: http://www.jbrain.com