Tag: pdp-8

Computer History – Rise and Fall of Minicomputers

Back in the early 90s, when I was still living in Brazil and starting my career in IT, I remember to work on a minicomputer called DigiRede that would take several serial terminals and used MUMPS operating system/language. As the time passed, I changed jobs and only worked on PCs. Not long ago I started to remember them and wondered what…

Hackaday Retro Edition: Remaking the PDP 8/I with a Raspberry PI

The PiDP-8 is a project to replicate the hardware of the 8/I in a modern format. Instead of hundreds of Flip Chips, this PDP-8 is powered by a Raspberry Pi running the SIMH emulator. The 40-pin GPIO connector on the Pi is broken out to 92 LEDs and 26 toggle switches on a large PCB. The creator of the project…

PDP-8 Emulator for the iPad

In his blog The Clean Code Blog, Robert C. Martin (Uncle Bob) has shown us today his work developing a PDP-8 emulator for the iPad. The emulator is written in Lua, using the Codea framework, which is very convenient due to its graphics capabilities, and fast language. The UI loosely mimics the PDP-8 front panel in terms of layout, but…