I don't know if I have a complete PDP14 left or not, but I have relay racks, relays (some NIB), a VT14, tons of other parts, and a lot of documentation. Would any of this help your project?
On Wed, Apr 5, 2017 at 3:05 AM, Christian Gauger-Cosgrove via cctalk < cctalk@classiccmp.org> wrote: > On 4 April 2017 at 20:21, Charles Dickman via cctalk > <cctalk@classiccmp.org> wrote: > > I have written a PDP-14 simulator using the simh framework. Paired > > with a PDP-8 simulator as a front end it passes all the DEC > > diagnostics. A pointless effort, perhaps, because there isn't much > > that can be done with it without connecting it to something to > > control. > > > Please release it! I/O access isn't too exceedingly complicated. I > just finished up a university class on industrial controllers and > networking, and we covered Modbus RTU and Modbus TCP. The latter > protocol would prove to be pretty useful for this PDP-14 emulator. The > emulator would act as one Modbus master and send out packets (in the > Modbus TCP format) to a remote/distributed I/O unit of the user's own > provision. Making it generic means it doesn't require specific > hardware; making it Modbus protocol means it talks to a gigantic swath > of hardware. > > So, please do submit it to be merged into the SIMH framework, it > sounds like fun! (And sounds like practice for writing a Modbus TCP > master… to me.) > > Cheers, > Christian > -- > Christian M. Gauger-Cosgrove > STCKON08DS0 > Contact information available upon request. >