# Pypowersim - PowerISA Simulator
Pypowersim is a PowerISA simulator written in Python. It includes
-the exact same RADIX MMU support as Microwatt.
+the **exact** same
+[RADIX MMU](https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=src/openpower/decoder/isa/radixmmu.py;hb=HEAD)
+support as
+[Microwatt](https://github.com/antonblanchard/microwatt/blob/master/mmu.vhdl).
PowerISA binaries are decoded by an
[ISA class instance](https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=src/openpower/decoder/isa/caller.py;hb=HEAD).
ISACaller utilises compiled machine-readable Power ISA 3.0