DEC PDP-11 Simulators

• Ersatz-11 [IBM PC] (even has a manual).
• Russian emulator [IBM PC]
• PDP11 emulator [Unix]
• Emulator by Robert Supnik [Unix]
• Emulator by Eric Edwards [Unix]
• Emulator by der Mouse [Unix]
• Bill Haygood's LSI-11 simulator [portable]

• DEC machines emulation page (contains original refs for all of the above emulators).
• 11SIM, a PDP-11 simulator that runs on a PDP-6.