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August 4, 2026

A Versatile PDP-11/70 Emulator Zoe Skyforest | usagoldmines.com

The PDP-11 was a 16-bit minicomputer that was very influential in its time. That’s what inspired [vanheusden] to start working on an emulator for the machine in 2018, which has since been developed to run on a wide variety of platforms. 

The emulator, named “Kek,” is quite capable, able to run Unix 5 up to an d including Unix 7 in multi-user mode, along with BSD 2.11 Unix depending on what it’s running on. It also supports classic hardware like RK05, RL02, RP06, and RP07 disks, the KW11-L line time clock, and the DC-11 serial line interface. The emulator can also run on a wide variety of platforms. It’s possible to run it on a standard Linux machine if so desired, or you can run it on BSD, MacOS, or Windows if so desired. Beyond that, you can even get it going on a Teensy 4.1 or an ESP32 if that’s more your jam. Modern microcontrollers are just that powerful that emulating a PDP-11/70 just isn’t a challenge anymore.

We love seeing old machines emulated and brought back to life. It’s funny to see how often it’s done on microcontrollers instead of full-scale PCs these days, too. Video after the break.

 

This articles is written by : Nermeen Nabil Khear Abdelmalak

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