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A hardware emulator for the Oberon RISC processor.

Project description

Python Oberon

Some software for Oberon 2013.

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A hardware emulator for the new RISC processor written in Python. If Pygame is available it will open a screen of the standard dimensions of 1024 x 768 pixels. I've also implemented a very crude "assembler" which is really little more than a bunch of helper functions to emit binary instructions (in the form of 32-bit-wide ints. However, it also provides a function dis() that will return a string representing the (integer) instruction passed to it.

Start with:

python -i -m oberon

This will use disk.img by default. At around 3400000 cycles the screen background begins to fill in, and at around 6500000 cycles the window content begins to be drawn:

PyGame window showing Oberon

(The -i option tells Python to drop into interactive REPL mode after the script has run. You can interact with the risc object.)

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