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Category Archives: c-retro
Connect Serial HP 700/96 Terminal to Raspberry Pi Using a Max3232 TTL to RS-232 Converter Module
Now that I have a functioning terminal, I want to add it to my PiDP-11, but before doing that I want to verify the terminal and the converter module work. So I will connect that to a running Raspberry Pi … Continue reading
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Refurbishing an HP C1400A Keyboard from an HP 700/96 Terminal
I purchased a used HP 700/96 serial terminal for my PDP-11 (PiDP-11) project. It supports VT100/VT220 emulation and I’m well familiar with this terminal, having used it back in the day and I still have one connected to my HP3000. … Continue reading
Implementing VT100 Terminal Emulation with PiDP-11
I’m trying to get a good grip on the PDP-11’s RT-11 operating system. I’ve read thru much of the RT-11 manual now. The real sticking point has been the default editor. The default editor, KEDIT, is very difficult to use. … Continue reading
Building the PiDP-11 DEC PDP-11 Replica Minicomputer
For several years, I have eyed Oscar Vermeulen’s PDP-11 replica available at Obsolescence Guaranteed. I finally pulled the trigger this fall and purchased the kit. The kit is well designed and documented: I really took my time building this. Oscar … Continue reading
Video of HP3000/XL Series 918 Startup and Shutdown Procedures
This is a quick-ish video of how to Start and shut down an HP3000 :
Accessing HP3000 with Telnet and puTTY
Telnet has never worked properly on my physical HP3000. I never needed it so I never fixed it. I decided to to track down the problem this evening. Fixing the telnet server was fairly easy – in 2001 someone altered … Continue reading
Replacing HP3000 Series 928LX SCSI Hard Drive with SCSI2SD SD Card interface
My HP3000/928LX uses a Fast SCSI hard drive. Not only are these are no longer available new, they are getting hard to find and expensive used. Not that I start the HP3000 that often, but every time I do I … Continue reading
Repairing a female Molex .156 Found on Pinball Games
I recently purchased the pinball game Funhouse, my all time favorite. The machine was refurbished and looks brand new inside and out. Shortly after receiving it I noticed that coin door functions were working erratically. Most importantly, the buttons used … Continue reading
HP3000/XL Series 918 Startup and Shutdown Procedures
Quick video to remind me the proper way to start / stop my HP3000 – a procedure I do very infrequently.
Playing Old Interactive Fiction Games on the HP3000
(Note: as of Apr 2020, these games are available online. If you would rather play them online rather than install the SIMH emulator, see https://wp.me/p3PlCO-D3). Last year I posted instructions on extracting and running the SIMH HP3000 emulation. I have … Continue reading
Big Dan the Blogging Man 