The PICuP CPU Emulator is a unique PIC based system for the development of custom CPU/MCU designs.
You can build CPUs with 16 bit address and 8 bit data busses and interrupts. It uses FLASH memory for CPU microcode and RAM for emulator program and data.
All busses are externally available and the power supply and a serial port are built-in. Developed for University CPU design courses the emulator is also very useful as a general purpose design tool.
You may even be able to emulate a PDP-11 running S7 UNIX. Documentation and examples may be downloaded here.
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